pax_global_header00006660000000000000000000000064142226654570014527gustar00rootroot0000000000000052 comment=b33e3bad4c46c8a6345525fd822af355e5ef9446 glog-0.6.0/000077500000000000000000000000001422266545700124625ustar00rootroot00000000000000glog-0.6.0/.bazelci/000077500000000000000000000000001422266545700141515ustar00rootroot00000000000000glog-0.6.0/.bazelci/presubmit.yml000066400000000000000000000024701422266545700167110ustar00rootroot00000000000000--- tasks: ubuntu1804: name: "Ubuntu 18.04" platform: ubuntu1804 build_flags: - "--features=layering_check" - "--copt=-Werror" build_targets: - "//..." test_flags: - "--features=layering_check" - "--copt=-Werror" test_targets: - "//..." macos: name: "macOS: latest Xcode" platform: macos build_flags: - "--features=layering_check" - "--copt=-Werror" build_targets: - "//..." test_flags: - "--features=layering_check" - "--copt=-Werror" test_targets: - "//..." windows-msvc: name: "Windows: MSVC 2017" platform: windows environment: BAZEL_VC: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC" build_flags: - "--features=layering_check" - "--copt=/WX" build_targets: - "//..." test_flags: - "--features=layering_check" - "--copt=/WX" test_targets: - "//..." windows-clang-cl: name: "Windows: Clang" platform: windows environment: BAZEL_VC: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC" build_flags: - "--compiler=clang-cl" - "--features=layering_check" build_targets: - "//..." test_flags: - "--compiler=clang-cl" - "--features=layering_check" test_targets: - "//..." glog-0.6.0/.clang-format000066400000000000000000000106531422266545700150420ustar00rootroot00000000000000--- Language: Cpp # BasedOnStyle: Google AccessModifierOffset: -1 AlignAfterOpenBracket: Align AlignConsecutiveMacros: false AlignConsecutiveAssignments: false AlignConsecutiveDeclarations: false AlignEscapedNewlines: Left AlignOperands: true AlignTrailingComments: true AllowAllArgumentsOnNextLine: true AllowAllConstructorInitializersOnNextLine: true AllowAllParametersOfDeclarationOnNextLine: true AllowShortBlocksOnASingleLine: Never AllowShortCaseLabelsOnASingleLine: false AllowShortFunctionsOnASingleLine: All AllowShortLambdasOnASingleLine: All AllowShortIfStatementsOnASingleLine: WithoutElse AllowShortLoopsOnASingleLine: true AlwaysBreakAfterDefinitionReturnType: None AlwaysBreakAfterReturnType: None AlwaysBreakBeforeMultilineStrings: true AlwaysBreakTemplateDeclarations: Yes BinPackArguments: true BinPackParameters: true BraceWrapping: AfterCaseLabel: false AfterClass: false AfterControlStatement: false AfterEnum: false AfterFunction: false AfterNamespace: false AfterObjCDeclaration: false AfterStruct: false AfterUnion: false AfterExternBlock: false BeforeCatch: false BeforeElse: false IndentBraces: false SplitEmptyFunction: true SplitEmptyRecord: true SplitEmptyNamespace: true BreakBeforeBinaryOperators: None BreakBeforeBraces: Attach BreakBeforeInheritanceComma: false BreakInheritanceList: BeforeColon BreakBeforeTernaryOperators: true BreakConstructorInitializersBeforeComma: false BreakConstructorInitializers: BeforeColon BreakAfterJavaFieldAnnotations: false BreakStringLiterals: true ColumnLimit: 80 CommentPragmas: '^ IWYU pragma:' CompactNamespaces: false ConstructorInitializerAllOnOneLineOrOnePerLine: true ConstructorInitializerIndentWidth: 4 ContinuationIndentWidth: 4 Cpp11BracedListStyle: true DeriveLineEnding: true DerivePointerAlignment: true DisableFormat: false ExperimentalAutoDetectBinPacking: false FixNamespaceComments: true ForEachMacros: - foreach - Q_FOREACH - BOOST_FOREACH IncludeBlocks: Regroup IncludeCategories: - Regex: '^' Priority: 2 SortPriority: 0 - Regex: '^<.*\.h>' Priority: 1 SortPriority: 0 - Regex: '^<.*' Priority: 2 SortPriority: 0 - Regex: '.*' Priority: 3 SortPriority: 0 IncludeIsMainRegex: '([-_](test|unittest))?$' IncludeIsMainSourceRegex: '' IndentCaseLabels: true IndentGotoLabels: true IndentPPDirectives: None IndentWidth: 2 IndentWrappedFunctionNames: false JavaScriptQuotes: Leave JavaScriptWrapImports: true KeepEmptyLinesAtTheStartOfBlocks: false MacroBlockBegin: '' MacroBlockEnd: '' MaxEmptyLinesToKeep: 1 NamespaceIndentation: None ObjCBinPackProtocolList: Never ObjCBlockIndentWidth: 2 ObjCSpaceAfterProperty: false ObjCSpaceBeforeProtocolList: true PenaltyBreakAssignment: 2 PenaltyBreakBeforeFirstCallParameter: 1 PenaltyBreakComment: 300 PenaltyBreakFirstLessLess: 120 PenaltyBreakString: 1000 PenaltyBreakTemplateDeclaration: 10 PenaltyExcessCharacter: 1000000 PenaltyReturnTypeOnItsOwnLine: 200 PointerAlignment: Left RawStringFormats: - Language: Cpp Delimiters: - cc - CC - cpp - Cpp - CPP - 'c++' - 'C++' CanonicalDelimiter: '' BasedOnStyle: google - Language: TextProto Delimiters: - pb - PB - proto - PROTO EnclosingFunctions: - EqualsProto - EquivToProto - PARSE_PARTIAL_TEXT_PROTO - PARSE_TEST_PROTO - PARSE_TEXT_PROTO - ParseTextOrDie - ParseTextProtoOrDie CanonicalDelimiter: '' BasedOnStyle: google ReflowComments: true SortIncludes: true SortUsingDeclarations: true SpaceAfterCStyleCast: false SpaceAfterLogicalNot: false SpaceAfterTemplateKeyword: true SpaceBeforeAssignmentOperators: true SpaceBeforeCpp11BracedList: false SpaceBeforeCtorInitializerColon: true SpaceBeforeInheritanceColon: true SpaceBeforeParens: ControlStatements SpaceBeforeRangeBasedForLoopColon: true SpaceInEmptyBlock: false SpaceInEmptyParentheses: false SpacesBeforeTrailingComments: 2 SpacesInAngles: false SpacesInConditionalStatement: false SpacesInContainerLiterals: true SpacesInCStyleCastParentheses: false SpacesInParentheses: false SpacesInSquareBrackets: false SpaceBeforeSquareBrackets: false Standard: Auto StatementMacros: - Q_UNUSED - QT_REQUIRE_VERSION TabWidth: 8 UseCRLF: false UseTab: Never ... glog-0.6.0/.clang-tidy000066400000000000000000000050651422266545700145240ustar00rootroot00000000000000--- Checks: 'clang-diagnostic-*,clang-analyzer-*,google-*' WarningsAsErrors: '' HeaderFilterRegex: '' AnalyzeTemporaryDtors: false FormatStyle: file CheckOptions: - key: cert-dcl16-c.NewSuffixes value: 'L;LL;LU;LLU' - key: cert-oop54-cpp.WarnOnlyIfThisHasSuspiciousField value: '0' - key: cppcoreguidelines-explicit-virtual-functions.IgnoreDestructors value: '1' - key: cppcoreguidelines-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic value: '1' - key: google-build-namespaces.HeaderFileExtensions value: ',h,hh,hpp,hxx' - key: google-global-names-in-headers.HeaderFileExtensions value: ',h,hh,hpp,hxx' - key: google-readability-braces-around-statements.ShortStatementLines value: '1' - key: google-readability-function-size.BranchThreshold value: '4294967295' - key: google-readability-function-size.LineThreshold value: '4294967295' - key: google-readability-function-size.NestingThreshold value: '4294967295' - key: google-readability-function-size.ParameterThreshold value: '4294967295' - key: google-readability-function-size.StatementThreshold value: '800' - key: google-readability-function-size.VariableThreshold value: '4294967295' - key: google-readability-namespace-comments.ShortNamespaceLines value: '10' - key: google-readability-namespace-comments.SpacesBeforeComments value: '2' - key: google-runtime-int.SignedTypePrefix value: int - key: google-runtime-int.TypeSuffix value: '' - key: google-runtime-int.UnsignedTypePrefix value: uint - key: google-runtime-references.WhiteListTypes value: '' - key: modernize-loop-convert.MaxCopySize value: '16' - key: modernize-loop-convert.MinConfidence value: reasonable - key: modernize-loop-convert.NamingStyle value: CamelCase - key: modernize-pass-by-value.IncludeStyle value: llvm - key: modernize-replace-auto-ptr.IncludeStyle value: llvm - key: modernize-use-nullptr.NullMacros value: 'NULL' ... glog-0.6.0/.gitattributes000066400000000000000000000000321422266545700153500ustar00rootroot00000000000000*.h linguist-language=C++ glog-0.6.0/.github/000077500000000000000000000000001422266545700140225ustar00rootroot00000000000000glog-0.6.0/.github/workflows/000077500000000000000000000000001422266545700160575ustar00rootroot00000000000000glog-0.6.0/.github/workflows/android.yml000066400000000000000000000031031422266545700202170ustar00rootroot00000000000000name: Android on: [push, pull_request] jobs: build-android: name: NDK-C++${{matrix.std}}-${{matrix.abi}}-${{matrix.build_type}} runs-on: ubuntu-latest defaults: run: shell: bash strategy: fail-fast: true matrix: std: [98, 11, 14, 17, 20] abi: [arm64-v8a, armeabi-v7a, x86_64, x86] build_type: [Debug, Release] steps: - uses: actions/checkout@v2 - name: Setup Ninja uses: ashutoshvarma/setup-ninja@master with: version: 1.10.0 - name: Setup C++98 Environment if: matrix.std == '98' run: | echo 'CXXFLAGS=-Wno-error=variadic-macros -Wno-error=long-long ${{env.CXXFLAGS}}' >> $GITHUB_ENV - name: Configure env: CXXFLAGS: -Wall -Wextra -Wpedantic -Wsign-conversion -Wtautological-compare -Wformat-nonliteral -Wundef -Werror ${{env.CXXFLAGS}} run: | cmake -S . -B build_${{matrix.abi}} \ -DANDROID_ABI=${{matrix.abi}} \ -DANDROID_NATIVE_API_LEVEL=28 \ -DANDROID_STL=c++_shared \ -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \ -DCMAKE_CXX_EXTENSIONS=OFF \ -DCMAKE_CXX_STANDARD=${{matrix.std}} \ -DCMAKE_CXX_STANDARD_REQUIRED=ON \ -DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake \ -G Ninja \ -Werror - name: Build run: | cmake --build build_${{matrix.abi}} \ --config ${{matrix.build_type}} glog-0.6.0/.github/workflows/linux.yml000066400000000000000000000121771422266545700177510ustar00rootroot00000000000000name: Linux on: [push, pull_request] jobs: build-linux: defaults: run: shell: bash name: GCC-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}} runs-on: ubuntu-latest strategy: fail-fast: true matrix: build_type: [Release, Debug] extra: [no-custom-prefix, custom-prefix] lib: [shared, static] std: [98, 11, 14, 17, 20] steps: - uses: actions/checkout@v2 - name: Setup Dependencies run: | sudo apt-get update DEBIAN_FRONTEND=noninteractive sudo apt-get install -y \ build-essential \ cmake \ lcov \ libgflags-dev \ libunwind-dev \ ninja-build - name: Cache GTest id: cache-gtest uses: actions/cache@v2 with: path: gtest/ key: ${{runner.os}}-gtest-1.11 - name: Download GTest if: steps.cache-gtest.outputs.cache-hit != 'true' run: | wget https://github.com/google/googletest/archive/refs/tags/release-1.11.0.tar.gz tar xvf release-1.11.0.tar.gz - name: Build GTest if: steps.cache-gtest.outputs.cache-hit != 'true' run: | cmake -S googletest-release-1.11.0 -B build-googletest \ -DBUILD_SHARED_LIBS=${{matrix.shared}} \ -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \ -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/gtest \ -G Ninja cmake --build build-googletest --target install - name: Setup Environment if: matrix.build_type == 'Debug' run: | echo 'CXXFLAGS=--coverage' >> $GITHUB_ENV echo 'GTest_ROOT=${{github.workspace}}/gtest' >> $GITHUB_ENV - name: Setup C++98 Environment if: matrix.std == '98' run: | echo 'CXXFLAGS=-Wno-error=variadic-macros -Wno-error=long-long ${{env.CXXFLAGS}}' >> $GITHUB_ENV - name: Configure env: CXXFLAGS: -Wall -Wextra -Wsign-conversion -Wtautological-compare -Wformat-nonliteral -Wundef -Werror ${{env.CXXFLAGS}} run: | cmake -S . -B build_${{matrix.build_type}} \ -DBUILD_SHARED_LIBS=${{matrix.lib == 'shared'}} \ -DCMAKE_CXX_STANDARD=${{matrix.std}} \ -DCMAKE_CXX_STANDARD_REQUIRED=ON \ -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/install \ -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} \ -G Ninja \ -Werror - name: Build run: | cmake --build build_${{matrix.build_type}} \ --config ${{matrix.build_type}} - name: Install run: | cmake --build build_${{matrix.build_type}} \ --config ${{matrix.build_type}} \ --target install cmake build_${{matrix.build_type}} \ -DCMAKE_INSTALL_INCLUDEDIR=${{runner.workspace}}/foo/include \ -DCMAKE_INSTALL_LIBDIR=${{runner.workspace}}/foo/lib \ -DCMAKE_INSTALL_DATAROOTDIR=${{runner.workspace}}/foo/share cmake --build build_${{matrix.build_type}} \ --config ${{matrix.build_type}} \ --target install - name: Test CMake Package (relative GNUInstallDirs) run: | cmake -S src/package_config_unittest/working_config \ -B build_${{matrix.build_type}}_package \ -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \ -DCMAKE_PREFIX_PATH=${{github.workspace}}/install \ -G Ninja cmake --build build_${{matrix.build_type}}_package \ --config ${{matrix.build_type}} - name: Test CMake Package (absolute GNUInstallDirs) run: | cmake -S src/package_config_unittest/working_config \ -B build_${{matrix.build_type}}_package_foo \ -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \ -DCMAKE_PREFIX_PATH=${{runner.workspace}}/foo \ -G Ninja cmake --build build_${{matrix.build_type}}_package_foo \ --config ${{matrix.build_type}} - name: Test run: | ctest --test-dir build_${{matrix.build_type}} -j$(nproc) --output-on-failure - name: Generate Coverage if: matrix.build_type == 'Debug' run: | lcov --directory . --capture --output-file coverage.info lcov --remove coverage.info \ '${{github.workspace}}/gtest/*' \ '*/src/*_unittest.cc' \ '*/src/googletest.h' \ '*/src/mock-log.h' \ '/usr/*' \ --output-file coverage.info for file in src/glog/*.h.in; do name=$(basename ${file}) name_we=${name%.h.in} sed -i "s|build_${{matrix.build_type}}/glog/${name_we}.h\$|${file}|g" coverage.info done lcov --list coverage.info - name: Upload Coverage to Codecov if: matrix.build_type == 'Debug' uses: codecov/codecov-action@v2 with: token: ${{ secrets.CODECOV_TOKEN }} fail_ci_if_error: true verbose: true glog-0.6.0/.github/workflows/macos.yml000066400000000000000000000045561422266545700177160ustar00rootroot00000000000000name: macOS on: [push, pull_request] jobs: build-macos: name: AppleClang-C++${{matrix.std}}-${{matrix.build_type}} runs-on: macos-10.15 strategy: fail-fast: true matrix: std: [98, 11, 14, 17, 20] include: - generator: Ninja - build_type: Debug steps: - uses: actions/checkout@v2 - name: Setup Ninja uses: ashutoshvarma/setup-ninja@master with: version: 1.10.0 - name: Setup Dependencies run: | brew install lcov - name: Setup Environment if: matrix.build_type == 'Debug' run: | echo 'CXXFLAGS=--coverage' >> $GITHUB_ENV - name: Configure shell: bash env: CXXFLAGS: -Wall -Wextra -Wsign-conversion -Wtautological-compare -Wformat-nonliteral -Wundef -Werror ${{env.CXXFLAGS}} run: | cmake -S . -B build_${{matrix.build_type}} \ -DCMAKE_CXX_EXTENSIONS=OFF \ -DCMAKE_CXX_FLAGS_DEBUG=-pedantic-errors \ -DCMAKE_CXX_FLAGS_RELEASE=-pedantic-errors \ -DCMAKE_CXX_STANDARD=${{matrix.std}} \ -DCMAKE_CXX_STANDARD_REQUIRED=ON \ -G "${{matrix.generator}}" \ -Werror - name: Build run: | cmake --build build_${{matrix.build_type}} \ --config ${{matrix.build_type}} - name: Test run: | ctest --test-dir build_${{matrix.build_type}} \ --output-on-failure - name: Generate Coverage if: matrix.build_type == 'Debug' run: | lcov --directory . --capture --output-file coverage.info lcov --remove coverage.info \ '*/src/*_unittest.cc' \ '*/src/googletest.h' \ '*/src/mock-log.h' \ '*/usr/*' \ --output-file coverage.info for file in src/glog/*.h.in; do name=$(basename ${file}) name_we=${name%.h.in} sed -i "" "s|${{github.workspace}}/glog/${name_we}.h\$|${file}|g" coverage.info done lcov --list coverage.info - name: Upload Coverage to Codecov if: matrix.build_type == 'Debug' uses: codecov/codecov-action@v2 with: token: ${{ secrets.CODECOV_TOKEN }} fail_ci_if_error: true verbose: true glog-0.6.0/.github/workflows/windows.yml000066400000000000000000000204171422266545700203000ustar00rootroot00000000000000name: Windows on: [push, pull_request] jobs: build-msvc: name: ${{matrix.msvc}}-${{matrix.arch}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}} runs-on: ${{matrix.os}} defaults: run: shell: powershell env: CL: /MP CXXFLAGS: /WX /permissive- strategy: fail-fast: true matrix: arch: [Win32, x64] build_type: [Debug, Release] extra: [no-custom-prefix, custom-prefix] lib: [shared, static] msvc: [VS-16-2019, VS-17-2022] # Visual Studio 17 2022 does not support C++11 and older language standard std: [14, 17, 20] include: - msvc: VS-16-2019 os: windows-2019 generator: 'Visual Studio 16 2019' - msvc: VS-17-2022 os: windows-2022 generator: 'Visual Studio 17 2022' steps: - uses: actions/checkout@v2 - name: Cache GTest id: cache-gtest uses: actions/cache@v2 with: path: gtest/ key: ${{runner.os}}-gtest-1.11-${{matrix.lib}}-${{matrix.arch}}-${{matrix.build_type}} - name: Download GTest if: steps.cache-gtest.outputs.cache-hit != 'true' run: | (New-Object System.Net.WebClient).DownloadFile("https://github.com/google/googletest/archive/refs/tags/release-1.11.0.zip", "release-1.11.0.zip") Expand-Archive release-1.11.0.zip . - name: Build GTest if: steps.cache-gtest.outputs.cache-hit != 'true' run: | cmake -S googletest-release-1.11.0 -B build-googletest ` -A ${{matrix.arch}} ` -DBUILD_SHARED_LIBS=${{matrix.lib == 'shared'}} ` -Dgtest_force_shared_crt=ON ` -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/gtest cmake --build build-googletest ` --config ${{matrix.build_type}} ` --target install - name: Cache gflags id: cache-gflags uses: actions/cache@v2 with: path: gflags/ key: ${{runner.os}}-gflags-2.2.2-${{matrix.lib}}-${{matrix.arch}}-${{matrix.build_type}} - name: Download gflags if: steps.cache-gflags.outputs.cache-hit != 'true' run: | (New-Object System.Net.WebClient).DownloadFile("https://github.com/gflags/gflags/archive/refs/tags/v2.2.2.zip", "v2.2.2.zip") Expand-Archive v2.2.2.zip . - name: Build gflags if: steps.cache-gflags.outputs.cache-hit != 'true' run: | cmake -S gflags-2.2.2 -B build-gflags ` -A ${{matrix.arch}} ` -DBUILD_SHARED_LIBS=${{matrix.lib == 'shared'}} ` -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/gflags cmake --build build-gflags ` --config ${{matrix.build_type}} ` --target install - name: Setup Environment run: | echo "GTest_ROOT=$((Get-Item .).FullName)/gtest" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append echo "gflags_ROOT=$((Get-Item .).FullName)/gflags" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append echo "${{github.workspace}}/gtest/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append echo "${{github.workspace}}/gflags/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append - name: Setup Release Environment if: matrix.build_type != 'Debug' run: | echo "CXXFLAGS=/Zi ${{env.CXXFLAGS}}" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append - name: Configure run: | cmake -S . -B build_${{matrix.build_type}} ` -A ${{matrix.arch}} ` -DBUILD_SHARED_LIBS=${{matrix.lib == 'shared'}} ` -DCMAKE_CXX_EXTENSIONS=OFF ` -DCMAKE_CXX_STANDARD=${{matrix.std}} ` -DCMAKE_CXX_STANDARD_REQUIRED=ON ` -DCMAKE_EXE_LINKER_FLAGS='/NOIMPLIB' ` -DCMAKE_EXE_LINKER_FLAGS_RELEASE='/INCREMENTAL:NO /DEBUG' ` -DCMAKE_INSTALL_PREFIX:PATH=./install ` -DCMAKE_MSVC_RUNTIME_LIBRARY='MultiThreaded$<$:Debug>DLL' ` -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} ` -G "${{matrix.generator}}" ` -Werror - name: Build run: cmake --build build_${{matrix.build_type}} ` --config ${{matrix.build_type}} - name: Test env: CTEST_OUTPUT_ON_FAILURE: 1 run: | cmake --build build_${{matrix.build_type}}/ ` --config ${{matrix.build_type}} ` --target RUN_TESTS - name: Install run: | cmake --build build_${{matrix.build_type}}/ ` --config ${{matrix.build_type}} ` --target install build-mingw: name: ${{matrix.sys}}-${{matrix.env}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}} runs-on: windows-2022 env: BUILDDIR: 'build_${{matrix.sys}}-${{matrix.env}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}}' defaults: run: shell: msys2 {0} strategy: fail-fast: true matrix: build_type: [Debug] extra: [no-custom-prefix, custom-prefix] lib: [shared, static] std: [98, 11, 14, 17, 20] sys: [mingw32, mingw64] include: - sys: mingw32 env: i686 - sys: mingw64 env: x86_64 steps: - uses: actions/checkout@v2 - uses: msys2/setup-msys2@v2 with: msystem: ${{matrix.sys}} install: >- lcov mingw-w64-${{matrix.env}}-cmake mingw-w64-${{matrix.env}}-gcc mingw-w64-${{matrix.env}}-gflags mingw-w64-${{matrix.env}}-ninja - name: Setup C++98 Environment if: matrix.std == '98' run: | echo 'CXXFLAGS=-Wno-error=variadic-macros -Wno-error=long-long ${{env.CXXFLAGS}}' >> $GITHUB_ENV - name: Setup Environment if: matrix.build_type == 'Debug' run: | echo 'CXXFLAGS=--coverage ${{env.CXXFLAGS}}' >> $GITHUB_ENV - name: Configure env: CXXFLAGS: -Wall -Wextra -Wpedantic -Wsign-conversion -Wtautological-compare -Wformat-nonliteral -Wundef -Werror ${{env.CXXFLAGS}} run: | cmake -S . -B build_${{matrix.build_type}}/ \ -DBUILD_SHARED_LIBS=${{matrix.lib == 'shared'}} \ -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \ -DCMAKE_CXX_EXTENSIONS=OFF \ -DCMAKE_CXX_STANDARD=${{matrix.std}} \ -DCMAKE_CXX_STANDARD_REQUIRED=ON \ -DCMAKE_INSTALL_PREFIX:PATH=./install \ -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} \ -G Ninja \ -Werror - name: Build run: | cmake --build build_${{matrix.build_type}}/ --config ${{matrix.build_type}} - name: Test env: CTEST_OUTPUT_ON_FAILURE: 1 run: | cmake --build build_${{matrix.build_type}}/ --config ${{matrix.build_type}} \ --target test - name: Install run: | cmake --build build_${{matrix.build_type}}/ \ --config ${{matrix.build_type}} \ --target install - name: Generate Coverage if: matrix.build_type == 'Debug' run: | lcov --directory . --capture --output-file coverage.info lcov --remove coverage.info \ '*/install/include/*' \ '*/msys64/mingw32/*' \ '*/msys64/mingw64/*' \ '*/src/*_unittest.cc' \ '*/src/googletest.h' \ '*/src/mock-log.h' \ --output-file coverage.info for file in src/glog/*.h.in; do name=$(basename ${file}) name_we=${name%.h.in} sed -i "s|build_${{matrix.build_type}}/glog/${name_we}.h\$|${file}|g" coverage.info done lcov --list coverage.info - name: Upload Coverage to Codecov if: matrix.build_type == 'Debug' uses: codecov/codecov-action@v2 with: token: ${{ secrets.CODECOV_TOKEN }} fail_ci_if_error: true verbose: true glog-0.6.0/.gitignore000066400000000000000000000000301422266545700144430ustar00rootroot00000000000000*.orig /build*/ bazel-* glog-0.6.0/AUTHORS000066400000000000000000000020371422266545700135340ustar00rootroot00000000000000# This is the official list of glog authors for copyright purposes. # This file is distinct from the CONTRIBUTORS files. # See the latter for an explanation. # # Names should be added to this file as: # Name or Organization # The email address is not required for organizations. # # Please keep the list sorted. Abhishek Dasgupta Abhishek Parmar Andrew Schwartzmeyer Andy Ying Brian Silverman Dmitriy Arbitman Google Inc. Guillaume Dumont Marco Wang Michael Tanner MiniLight romange Roman Perepelitsa Sergiu Deitsch tbennun Teddy Reed Vijaymahantesh Sattigeri Zhongming Qu Zhuoran Shen glog-0.6.0/BUILD.bazel000066400000000000000000000011201422266545700143320ustar00rootroot00000000000000licenses(["notice"]) exports_files(["COPYING"]) load(":bazel/glog.bzl", "glog_library") glog_library() # platform() to build with clang-cl on Bazel CI. This is enabled with # the flags in .bazelci/presubmit.yml: # # --incompatible_enable_cc_toolchain_resolution # --extra_toolchains=@local_config_cc//:cc-toolchain-x64_windows-clang-cl # --extra_execution_platforms=//:x64_windows-clang-cl platform( name = "x64_windows-clang-cl", constraint_values = [ "@platforms//cpu:x86_64", "@platforms//os:windows", "@bazel_tools//tools/cpp:clang-cl", ], ) glog-0.6.0/CMakeLists.txt000066400000000000000000001014651422266545700152310ustar00rootroot00000000000000cmake_minimum_required (VERSION 3.16) project (glog VERSION 0.6.0 DESCRIPTION "C++ implementation of the Google logging module" HOMEPAGE_URL https://github.com/google/glog LANGUAGES CXX ) set (CPACK_PACKAGE_NAME glog) set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Google logging library") set (CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR}) set (CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR}) set (CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH}) set (CPACK_PACKAGE_VERSION ${PROJECT_VERSION}) list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) include (CheckCXXCompilerFlag) include (CheckCXXSourceCompiles) include (CheckCXXSourceRuns) include (CheckCXXSymbolExists) include (CheckFunctionExists) include (CheckIncludeFileCXX) include (CheckLibraryExists) include (CheckStructHasMember) include (CheckTypeSize) include (CMakeDependentOption) include (CMakePackageConfigHelpers) include (CMakePushCheckState) include (CPack) include (CTest) include (DetermineGflagsNamespace) include (GenerateExportHeader) include (GetCacheVariables) include (GNUInstallDirs) option (BUILD_SHARED_LIBS "Build shared libraries" ON) option (PRINT_UNSYMBOLIZED_STACK_TRACES "Print file offsets in traces instead of symbolizing" OFF) option (WITH_CUSTOM_PREFIX "Enable support for user-generated message prefixes" ON) option (WITH_GFLAGS "Use gflags" ON) option (WITH_GTEST "Use Google Test" ON) option (WITH_PKGCONFIG "Enable pkg-config support" ON) option (WITH_SYMBOLIZE "Enable symbolize module" ON) option (WITH_THREADS "Enable multithreading support" ON) option (WITH_TLS "Enable Thread Local Storage (TLS) support" ON) option (WITH_UNWIND "Enable libunwind support" ON) cmake_dependent_option (WITH_GMOCK "Use Google Mock" ON WITH_GTEST OFF) if (NOT WITH_UNWIND) set (CMAKE_DISABLE_FIND_PACKAGE_Unwind ON) endif (NOT WITH_UNWIND) if (NOT WITH_GTEST) set (CMAKE_DISABLE_FIND_PACKAGE_GTest ON) endif (NOT WITH_GTEST) if (NOT WITH_THREADS) set (CMAKE_DISABLE_FIND_PACKAGE_Threads ON) endif (NOT WITH_THREADS) set (CMAKE_C_VISIBILITY_PRESET hidden) set (CMAKE_CXX_VISIBILITY_PRESET hidden) set (CMAKE_POSITION_INDEPENDENT_CODE ON) set (CMAKE_VISIBILITY_INLINES_HIDDEN ON) set (CMAKE_DEBUG_POSTFIX d) set (CMAKE_THREAD_PREFER_PTHREAD 1) find_package (GTest NO_MODULE) if (GTest_FOUND) set (HAVE_LIB_GTEST 1) endif (GTest_FOUND) if (WITH_GMOCK AND TARGET GTest::gmock) set (HAVE_LIB_GMOCK 1) endif (WITH_GMOCK AND TARGET GTest::gmock) if (WITH_GFLAGS) find_package (gflags 2.2.2) if (gflags_FOUND) set (HAVE_LIB_GFLAGS 1) determine_gflags_namespace (gflags_NAMESPACE) endif (gflags_FOUND) endif (WITH_GFLAGS) find_package (Threads) find_package (Unwind) if (Unwind_FOUND) set (HAVE_LIB_UNWIND 1) else (Unwind_FOUND) check_include_file_cxx (unwind.h HAVE_UNWIND_H) # Check whether linking actually succeeds. ARM toolchains of LLVM unwind # implementation do not necessarily provide the _Unwind_Backtrace function # which causes the previous check to succeed but the linking to fail. check_cxx_symbol_exists (_Unwind_Backtrace unwind.h HAVE__UNWIND_BACKTRACE) endif (Unwind_FOUND) check_include_file_cxx (dlfcn.h HAVE_DLFCN_H) check_include_file_cxx (execinfo.h HAVE_EXECINFO_H) check_include_file_cxx (glob.h HAVE_GLOB_H) check_include_file_cxx (inttypes.h HAVE_INTTYPES_H) check_include_file_cxx (memory.h HAVE_MEMORY_H) check_include_file_cxx (pwd.h HAVE_PWD_H) check_include_file_cxx (stdint.h HAVE_STDINT_H) check_include_file_cxx (strings.h HAVE_STRINGS_H) check_include_file_cxx (sys/stat.h HAVE_SYS_STAT_H) check_include_file_cxx (sys/syscall.h HAVE_SYS_SYSCALL_H) check_include_file_cxx (sys/time.h HAVE_SYS_TIME_H) check_include_file_cxx (sys/types.h HAVE_SYS_TYPES_H) check_include_file_cxx (sys/utsname.h HAVE_SYS_UTSNAME_H) check_include_file_cxx (sys/wait.h HAVE_SYS_WAIT_H) check_include_file_cxx (syscall.h HAVE_SYSCALL_H) check_include_file_cxx (syslog.h HAVE_SYSLOG_H) check_include_file_cxx (ucontext.h HAVE_UCONTEXT_H) check_include_file_cxx (unistd.h HAVE_UNISTD_H) check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP) check_include_file_cxx ("ext/hash_set" HAVE_EXT_HASH_SET) check_include_file_cxx ("ext/slist" HAVE_EXT_SLIST) check_include_file_cxx ("tr1/unordered_map" HAVE_TR1_UNORDERED_MAP) check_include_file_cxx ("tr1/unordered_set" HAVE_TR1_UNORDERED_SET) check_include_file_cxx ("unordered_map" HAVE_UNORDERED_MAP) check_include_file_cxx ("unordered_set" HAVE_UNORDERED_SET) check_type_size ("unsigned __int16" HAVE___UINT16 LANGUAGE CXX) check_type_size (u_int16_t HAVE_U_INT16_T LANGUAGE CXX) check_type_size (uint16_t HAVE_UINT16_T LANGUAGE CXX) check_function_exists (dladdr HAVE_DLADDR) check_function_exists (fcntl HAVE_FCNTL) check_function_exists (pread HAVE_PREAD) check_function_exists (pwrite HAVE_PWRITE) check_function_exists (sigaction HAVE_SIGACTION) check_function_exists (sigaltstack HAVE_SIGALTSTACK) # NOTE gcc does not fail if you pass a non-existent -Wno-* option as an # argument. However, it will happily fail if you pass the corresponding -W* # option. So, we check whether options that disable warnings exist by testing # the availability of the corresponding option that enables the warning. This # eliminates the need to check for compiler for several (mainly Clang) options. check_cxx_compiler_flag (-Wdeprecated HAVE_NO_DEPRECATED) check_cxx_compiler_flag (-Wunnamed-type-template-args HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS) cmake_push_check_state (RESET) if (Threads_FOUND) set (CMAKE_REQUIRED_LIBRARIES Threads::Threads) endif (Threads_FOUND) check_cxx_symbol_exists (pthread_threadid_np "pthread.h" HAVE_PTHREAD_THREADID_NP) cmake_pop_check_state () # NOTE: Cannot use check_function_exists here since >=vc-14.0 can define # snprintf as an inline function check_cxx_symbol_exists (snprintf cstdio HAVE_SNPRINTF) check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP) check_cxx_source_compiles (" #include static void foo(void) __attribute__ ((unused)); int main(void) { return 0; } " HAVE___ATTRIBUTE__) check_cxx_source_compiles (" #include static void foo(void) __attribute__ ((visibility(\"default\"))); int main(void) { return 0; } " HAVE___ATTRIBUTE__VISIBILITY_DEFAULT) check_cxx_source_compiles (" #include static void foo(void) __attribute__ ((visibility(\"hidden\"))); int main(void) { return 0; } " HAVE___ATTRIBUTE__VISIBILITY_HIDDEN) check_cxx_source_compiles (" int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; } " HAVE___BUILTIN_EXPECT) check_cxx_source_compiles (" int main(void) { int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0; } " HAVE___SYNC_VAL_COMPARE_AND_SWAP) cmake_push_check_state (RESET) set (CMAKE_REQUIRED_LIBRARIES Threads::Threads) check_cxx_source_compiles (" #define _XOPEN_SOURCE 500 #include int main(void) { pthread_rwlock_t l; pthread_rwlock_init(&l, NULL); pthread_rwlock_rdlock(&l); return 0; } " HAVE_RWLOCK) cmake_pop_check_state () check_cxx_source_compiles (" __declspec(selectany) int a; int main(void) { return 0; } " HAVE___DECLSPEC) check_cxx_source_compiles (" #include vector t; int main() { } " STL_NO_NAMESPACE) check_cxx_source_compiles (" #include std::vector t; int main() { } " STL_STD_NAMESPACE) check_cxx_source_compiles (" #include std::ostream& operator<<(std::ostream&, struct s); using ::operator<<; int main() { } " HAVE_USING_OPERATOR) check_cxx_source_compiles (" namespace Outer { namespace Inner { int i = 0; }} using namespace Outer::Inner;; int main() { return i; } " HAVE_NAMESPACES) check_cxx_source_compiles (" __thread int tls; int main() { } " HAVE_GCC_TLS) check_cxx_source_compiles (" __declspec(thread) int tls; int main() { } " HAVE_MSVC_TLS) check_cxx_source_compiles (" thread_local int tls; int main() { } " HAVE_CXX11_TLS) check_cxx_source_compiles (" #include std::aligned_storage::type data; int main() { } " HAVE_ALIGNED_STORAGE) check_cxx_source_compiles (" #include std::atomic i; int main() { } " HAVE_CXX11_ATOMIC) check_cxx_source_compiles (" constexpr int x = 0; int main() { } " HAVE_CXX11_CONSTEXPR) check_cxx_source_compiles (" #include std::chrono::seconds s; int main() { } " HAVE_CXX11_CHRONO) check_cxx_source_compiles (" #include void foo(std::nullptr_t) {} int main(void) { foo(nullptr); } " HAVE_CXX11_NULLPTR_T) if (WITH_TLS) # Cygwin does not support the thread attribute. Don't bother. if (HAVE_GCC_TLS) set (GLOG_THREAD_LOCAL_STORAGE "__thread") elseif (HAVE_MSVC_TLS) set (GLOG_THREAD_LOCAL_STORAGE "__declspec(thread)") elseif (HAVE_CXX11_TLS) set (GLOG_THREAD_LOCAL_STORAGE thread_local) endif (HAVE_GCC_TLS) endif (WITH_TLS) set (_PC_FIELDS "gregs[REG_PC]" "gregs[REG_EIP]" "gregs[REG_RIP]" "sc_ip" "uc_regs->gregs[PT_NIP]" "gregs[R15]" "arm_pc" "mc_eip" "mc_rip" "__gregs[REG_EIP]" "__gregs[REG_RIP]" "ss.eip" "__ss.__eip" "ss.rip" "__ss.__rip" "ss.srr0" "__ss.__srr0" ) set (_PC_HEADERS ucontext.h signal.h) if (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT) foreach (_PC_FIELD ${_PC_FIELDS}) foreach (_PC_HEADER ${_PC_HEADERS}) set (_TMP ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.cpp) file (WRITE ${_TMP} " #define _GNU_SOURCE 1 #include <${_PC_HEADER}> int main(void) { ucontext_t u; return u.${_PC_FIELD} == 0; } ") try_compile (HAVE_PC_FROM_UCONTEXT ${CMAKE_CURRENT_BINARY_DIR} ${_TMP} COMPILE_DEFINITIONS _GNU_SOURCE=1) if (HAVE_PC_FROM_UCONTEXT) set (PC_FROM_UCONTEXT ${_PC_FIELD} CACHE) endif (HAVE_PC_FROM_UCONTEXT) endforeach (_PC_HEADER) endforeach (_PC_FIELD) endif (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT) if (STL_STD_NAMESPACE) set (STL_NAMESPACE std) else (STL_STD_NAMESPACE) set (STL_NAMESPACE "") endif (STL_STD_NAMESPACE) set (GOOGLE_NAMESPACE google) set (_START_GOOGLE_NAMESPACE_ "namespace ${GOOGLE_NAMESPACE} {") set (_END_GOOGLE_NAMESPACE_ "}") set (ac_cv_have_glog_export 1) if (HAVE___UINT16) set (ac_cv_have___uint16 1) else (HAVE___UINT16) set (ac_cv_have___uint16 0) endif (HAVE___UINT16) if (HAVE_INTTYPES_H) set (ac_cv_have_inttypes_h 1) else (HAVE_INTTYPES_H) set (ac_cv_have_inttypes_h 0) endif (HAVE_INTTYPES_H) if (HAVE_LIB_GFLAGS) set (ac_cv_have_libgflags 1) else (HAVE_LIB_GFLAGS) set (ac_cv_have_libgflags 0) endif (HAVE_LIB_GFLAGS) if (HAVE_STDINT_H) set (ac_cv_have_stdint_h 1) else (HAVE_STDINT_H) set (ac_cv_have_stdint_h 0) endif (HAVE_STDINT_H) if (HAVE_SYS_TYPES_H) set (ac_cv_have_systypes_h 1) else (HAVE_SYS_TYPES_H) set (ac_cv_have_systypes_h 0) endif (HAVE_SYS_TYPES_H) if (HAVE_U_INT16_T) set (ac_cv_have_u_int16_t 1) else (HAVE_U_INT16_T) set (ac_cv_have_u_int16_t 0) endif (HAVE_U_INT16_T) if (HAVE_UINT16_T) set (ac_cv_have_uint16_t 1) else (HAVE_UINT16_T) set (ac_cv_have_uint16_t 0) endif (HAVE_UINT16_T) if (HAVE_UNISTD_H) set (ac_cv_have_unistd_h 1) else (HAVE_UNISTD_H) set (ac_cv_have_unistd_h 0) endif (HAVE_UNISTD_H) set (ac_google_namespace ${GOOGLE_NAMESPACE}) set (ac_google_end_namespace ${_END_GOOGLE_NAMESPACE_}) set (ac_google_start_namespace ${_START_GOOGLE_NAMESPACE_}) if (HAVE___ATTRIBUTE__) set (ac_cv___attribute___noreturn "__attribute__((noreturn))") set (ac_cv___attribute___noinline "__attribute__((noinline))") set (ac_cv___attribute___printf_4_5 "__attribute__((__format__(__printf__, 4, 5)))") elseif (HAVE___DECLSPEC) set (ac_cv___attribute___noreturn "__declspec(noreturn)") #set (ac_cv___attribute___noinline "__declspec(noinline)") endif (HAVE___ATTRIBUTE__) if (HAVE___BUILTIN_EXPECT) set (ac_cv_have___builtin_expect 1) else (HAVE___BUILTIN_EXPECT) set (ac_cv_have___builtin_expect 0) endif (HAVE___BUILTIN_EXPECT) if (HAVE_USING_OPERATOR) set (ac_cv_cxx_using_operator 1) else (HAVE_USING_OPERATOR) set (ac_cv_cxx_using_operator 0) endif (HAVE_USING_OPERATOR) if (HAVE_CXX11_CONSTEXPR) set (ac_cv_cxx11_constexpr 1) else (HAVE_CXX11_CONSTEXPR) set (ac_cv_cxx11_constexpr 0) endif (HAVE_CXX11_CONSTEXPR) if (HAVE_CXX11_CHRONO) set (ac_cv_cxx11_chrono 1) else (HAVE_CXX11_CHRONO) set (ac_cv_cxx11_chrono 0) endif (HAVE_CXX11_CHRONO) if (HAVE_CXX11_NULLPTR_T) set (ac_cv_cxx11_nullptr_t 1) else (HAVE_CXX11_NULLPTR_T) set (ac_cv_cxx11_nullptr_t 0) endif (HAVE_CXX11_NULLPTR_T) if (HAVE_EXECINFO_H) set (HAVE_STACKTRACE 1) endif (HAVE_EXECINFO_H) if (HAVE_CXX11_ATOMIC) set (ac_cv_cxx11_atomic 1) else (HAVE_CXX11_ATOMIC) set (ac_cv_cxx11_atomic 0) endif (HAVE_CXX11_ATOMIC) if (WITH_SYMBOLIZE) if (WIN32 OR CYGWIN) cmake_push_check_state (RESET) set (CMAKE_REQUIRED_LIBRARIES DbgHelp) check_cxx_source_runs ([=[ #include #include #include void foobar() { } int main() { HANDLE process = GetCurrentProcess(); if (!SymInitialize(process, NULL, TRUE)) return EXIT_FAILURE; char buf[sizeof(SYMBOL_INFO) + MAX_SYM_NAME]; SYMBOL_INFO *symbol = reinterpret_cast(buf); symbol->SizeOfStruct = sizeof(SYMBOL_INFO); symbol->MaxNameLen = MAX_SYM_NAME; void* const pc = reinterpret_cast(&foobar); BOOL ret = SymFromAddr(process, reinterpret_cast(pc), 0, symbol); return ret ? EXIT_SUCCESS : EXIT_FAILURE; } ]=] HAVE_SYMBOLIZE) cmake_pop_check_state () if (HAVE_SYMBOLIZE) set (HAVE_STACKTRACE 1) endif (HAVE_SYMBOLIZE) elseif (UNIX OR (APPLE AND HAVE_DLADDR)) set (HAVE_SYMBOLIZE 1) endif (WIN32 OR CYGWIN) endif (WITH_SYMBOLIZE) # CMake manages symbolize availability. The definition is necessary only when # building the library. Switch to add_compile_definitions once we drop support # for CMake below version 3.12. add_definitions (-DGLOG_NO_SYMBOLIZE_DETECTION) check_cxx_source_compiles (" #include #include int main() { time_t timep; struct tm result; localtime_r(&timep, &result); return EXIT_SUCCESS; } " HAVE_LOCALTIME_R) set (SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P}) if (WITH_THREADS AND Threads_FOUND) if (CMAKE_USE_PTHREADS_INIT) set (HAVE_PTHREAD 1) endif (CMAKE_USE_PTHREADS_INIT) else (WITH_THREADS AND Threads_FOUND) set (NO_THREADS 1) endif (WITH_THREADS AND Threads_FOUND) # fopen/open on Cygwin can not handle unix-type paths like /home/.... # therefore we translate TEST_SRC_DIR to windows-path. if (CYGWIN) execute_process (COMMAND cygpath.exe -m ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE TEST_SRC_DIR) set (TEST_SRC_DIR \"${TEST_SRC_DIR}\") else (CYGWIN) set (TEST_SRC_DIR \"${CMAKE_CURRENT_SOURCE_DIR}\") endif (CYGWIN) configure_file (src/config.h.cmake.in config.h) configure_file (src/glog/logging.h.in glog/logging.h @ONLY) configure_file (src/glog/raw_logging.h.in glog/raw_logging.h @ONLY) configure_file (src/glog/stl_logging.h.in glog/stl_logging.h @ONLY) configure_file (src/glog/vlog_is_on.h.in glog/vlog_is_on.h @ONLY) add_compile_options ($<$,$>>:-Wno-unnamed-type-template-args>) set (_glog_CMake_BINDIR ${CMAKE_INSTALL_BINDIR}) set (_glog_CMake_INCLUDE_DIR ${CMAKE_INSTALL_INCLUDEDIR}) set (_glog_CMake_LIBDIR ${CMAKE_INSTALL_LIBDIR}) set (_glog_CMake_INSTALLDIR ${_glog_CMake_LIBDIR}/cmake/glog) set (_glog_CMake_DIR glog/cmake) set (_glog_CMake_DATADIR ${CMAKE_INSTALL_DATAROOTDIR}/${_glog_CMake_DIR}) set (_glog_BINARY_CMake_DATADIR ${CMAKE_CURRENT_BINARY_DIR}/${_glog_CMake_DATADIR}) # Add additional CMake find modules here. set (_glog_CMake_MODULES) if (Unwind_FOUND) # Copy the module only if libunwind is actually used. list (APPEND _glog_CMake_MODULES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindUnwind.cmake) endif (Unwind_FOUND) # Generate file name for each module in the binary directory foreach (_file ${_glog_CMake_MODULES}) get_filename_component (_module "${_file}" NAME) list (APPEND _glog_BINARY_CMake_MODULES ${_glog_BINARY_CMake_DATADIR}/${_module}) endforeach (_file) if (_glog_CMake_MODULES) # Copy modules to binary directory during the build add_custom_command (OUTPUT ${_glog_BINARY_CMake_MODULES} COMMAND ${CMAKE_COMMAND} -E make_directory ${_glog_BINARY_CMake_DATADIR} COMMAND ${CMAKE_COMMAND} -E copy ${_glog_CMake_MODULES} ${_glog_BINARY_CMake_DATADIR} DEPENDS ${_glog_CMake_MODULES} COMMENT "Copying find modules..." ) endif (_glog_CMake_MODULES) set (GLOG_PUBLIC_H ${CMAKE_CURRENT_BINARY_DIR}/glog/export.h ${CMAKE_CURRENT_BINARY_DIR}/glog/logging.h ${CMAKE_CURRENT_BINARY_DIR}/glog/raw_logging.h ${CMAKE_CURRENT_BINARY_DIR}/glog/stl_logging.h ${CMAKE_CURRENT_BINARY_DIR}/glog/vlog_is_on.h src/glog/log_severity.h src/glog/platform.h ) set (GLOG_SRCS ${GLOG_PUBLIC_H} src/base/commandlineflags.h src/base/googleinit.h src/base/mutex.h src/demangle.cc src/demangle.h src/logging.cc src/raw_logging.cc src/symbolize.cc src/symbolize.h src/utilities.cc src/utilities.h src/vlog_is_on.cc ) if (HAVE_PTHREAD OR WIN32 OR CYGWIN) list (APPEND GLOG_SRCS src/signalhandler.cc) endif (HAVE_PTHREAD OR WIN32 OR CYGWIN) if (CYGWIN OR WIN32) list (APPEND GLOG_SRCS src/windows/port.cc src/windows/port.h ) endif (CYGWIN OR WIN32) add_library (glogbase OBJECT ${_glog_BINARY_CMake_MODULES} ${GLOG_SRCS} ) add_library (glog $ ) add_library (glog::glog ALIAS glog) set (glog_libraries_options_for_static_linking) if (Unwind_FOUND) target_link_libraries (glog PRIVATE unwind::unwind) set (glog_libraries_options_for_static_linking "${glog_libraries_options_for_static_linking} -lunwind") set (Unwind_DEPENDENCY "find_dependency (Unwind ${Unwind_VERSION})") endif (Unwind_FOUND) if (HAVE_DBGHELP) target_link_libraries (glog PRIVATE dbghelp) set (glog_libraries_options_for_static_linking "${glog_libraries_options_for_static_linking} -ldbghelp") endif (HAVE_DBGHELP) if (HAVE_PTHREAD) target_link_libraries (glog PRIVATE ${CMAKE_THREAD_LIBS_INIT}) if (CMAKE_THREAD_LIBS_INIT) set (glog_libraries_options_for_static_linking "${glog_libraries_options_for_static_linking} ${CMAKE_THREAD_LIBS_INIT}") endif (CMAKE_THREAD_LIBS_INIT) endif (HAVE_PTHREAD) if (gflags_FOUND) # Prefer the gflags target that uses double colon convention if (TARGET gflags::gflags) target_link_libraries (glog PUBLIC gflags::gflags) else (TARGET gflags::gflags) target_link_libraries (glog PUBLIC gflags) endif (TARGET gflags::gflags) set (glog_libraries_options_for_static_linking "${glog_libraries_options_for_static_linking} -lgflags") endif (gflags_FOUND) if (ANDROID) target_link_libraries (glog PRIVATE log) set (glog_libraries_options_for_static_linking "${glog_libraries_options_for_static_linking} -llog") endif (ANDROID) set_target_properties (glog PROPERTIES VERSION ${PROJECT_VERSION}) set_target_properties (glog PROPERTIES SOVERSION 1) if (CYGWIN OR WIN32) target_compile_definitions (glog PUBLIC GLOG_NO_ABBREVIATED_SEVERITIES) endif (CYGWIN OR WIN32) if (WITH_CUSTOM_PREFIX) target_compile_definitions (glog PUBLIC GLOG_CUSTOM_PREFIX_SUPPORT) endif (WITH_CUSTOM_PREFIX) set_target_properties (glog PROPERTIES PUBLIC_HEADER "${GLOG_PUBLIC_H}") target_include_directories (glog BEFORE PUBLIC "$" "$" "$" PRIVATE ${CMAKE_CURRENT_BINARY_DIR} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src) if (CYGWIN OR WIN32) target_include_directories (glogbase PUBLIC "$" PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/windows) target_include_directories (glog PUBLIC "$" PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/windows) endif (CYGWIN OR WIN32) set_target_properties (glog PROPERTIES DEFINE_SYMBOL GOOGLE_GLOG_IS_A_DLL) target_include_directories (glogbase PUBLIC $) target_compile_definitions (glogbase PUBLIC $ PRIVATE GOOGLE_GLOG_IS_A_DLL) generate_export_header (glog EXPORT_MACRO_NAME GLOG_EXPORT EXPORT_FILE_NAME ${CMAKE_CURRENT_BINARY_DIR}/glog/export.h) string (STRIP "${glog_libraries_options_for_static_linking}" glog_libraries_options_for_static_linking) if (WITH_PKGCONFIG) set (VERSION ${PROJECT_VERSION}) set (prefix ${CMAKE_INSTALL_PREFIX}) set (exec_prefix ${CMAKE_INSTALL_FULL_BINDIR}) set (libdir ${CMAKE_INSTALL_FULL_LIBDIR}) set (includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR}) configure_file ( "${PROJECT_SOURCE_DIR}/libglog.pc.in" "${PROJECT_BINARY_DIR}/libglog.pc" @ONLY ) unset (VERSION) unset (prefix) unset (exec_prefix) unset (libdir) unset (includedir) endif (WITH_PKGCONFIG) # Unit testing if (BUILD_TESTING) add_library (glogtest STATIC $ ) target_include_directories (glogtest PUBLIC $) target_compile_definitions (glogtest PUBLIC $ GLOG_STATIC_DEFINE) target_link_libraries (glogtest PUBLIC $) set (_GLOG_TEST_LIBS glogtest) if (HAVE_LIB_GTEST) list (APPEND _GLOG_TEST_LIBS GTest::gtest) endif (HAVE_LIB_GTEST) if (HAVE_LIB_GMOCK) list (APPEND _GLOG_TEST_LIBS GTest::gmock) endif (HAVE_LIB_GMOCK) add_executable (logging_unittest src/logging_unittest.cc ) target_link_libraries (logging_unittest PRIVATE ${_GLOG_TEST_LIBS}) if (WITH_CUSTOM_PREFIX) add_executable (logging_custom_prefix_unittest src/logging_custom_prefix_unittest.cc ) target_link_libraries (logging_custom_prefix_unittest PRIVATE ${_GLOG_TEST_LIBS}) add_test (NAME logging_custom_prefix COMMAND logging_custom_prefix_unittest) # FIXME: Skip flaky test set_tests_properties (logging_custom_prefix PROPERTIES SKIP_REGULAR_EXPRESSION "Check failed: time_ns within LogTimes::LOG_PERIOD_TOL_NS of LogTimes::LOG_PERIOD_NS") if (APPLE) # FIXME: Skip flaky test set_property (TEST logging_custom_prefix APPEND PROPERTY SKIP_REGULAR_EXPRESSION "unexpected new.*PASS\nTest with golden file failed. We'll try to show the diff:") endif (APPLE) endif (WITH_CUSTOM_PREFIX) add_executable (stl_logging_unittest src/stl_logging_unittest.cc ) target_link_libraries (stl_logging_unittest PRIVATE ${_GLOG_TEST_LIBS}) if (HAVE_NO_DEPRECATED) set_property (TARGET stl_logging_unittest APPEND PROPERTY COMPILE_OPTIONS -Wno-deprecated) endif (HAVE_NO_DEPRECATED) if (HAVE_UNORDERED_MAP AND HAVE_UNORDERED_SET) target_compile_definitions (stl_logging_unittest PRIVATE GLOG_STL_LOGGING_FOR_UNORDERED) endif (HAVE_UNORDERED_MAP AND HAVE_UNORDERED_SET) if (HAVE_TR1_UNORDERED_MAP AND HAVE_TR1_UNORDERED_SET) target_compile_definitions (stl_logging_unittest PRIVATE GLOG_STL_LOGGING_FOR_TR1_UNORDERED) endif (HAVE_TR1_UNORDERED_MAP AND HAVE_TR1_UNORDERED_SET) if (HAVE_EXT_HASH_MAP AND HAVE_EXT_HASH_SET) target_compile_definitions (stl_logging_unittest PRIVATE GLOG_STL_LOGGING_FOR_EXT_HASH) endif (HAVE_EXT_HASH_MAP AND HAVE_EXT_HASH_SET) if (HAVE_EXT_SLIST) target_compile_definitions (stl_logging_unittest PRIVATE GLOG_STL_LOGGING_FOR_EXT_SLIST) endif (HAVE_EXT_SLIST) if (HAVE_SYMBOLIZE) add_executable (symbolize_unittest src/symbolize_unittest.cc ) target_link_libraries (symbolize_unittest PRIVATE ${_GLOG_TEST_LIBS}) endif (HAVE_SYMBOLIZE) add_executable (demangle_unittest src/demangle_unittest.cc ) target_link_libraries (demangle_unittest PRIVATE ${_GLOG_TEST_LIBS}) if (HAVE_STACKTRACE) add_executable (stacktrace_unittest src/stacktrace_unittest.cc ) target_link_libraries (stacktrace_unittest PRIVATE ${_GLOG_TEST_LIBS}) endif (HAVE_STACKTRACE) add_executable (utilities_unittest src/utilities_unittest.cc ) target_link_libraries (utilities_unittest PRIVATE ${_GLOG_TEST_LIBS}) if (HAVE_STACKTRACE AND HAVE_SYMBOLIZE) add_executable (signalhandler_unittest src/signalhandler_unittest.cc ) target_link_libraries (signalhandler_unittest PRIVATE ${_GLOG_TEST_LIBS}) endif (HAVE_STACKTRACE AND HAVE_SYMBOLIZE) add_test (NAME demangle COMMAND demangle_unittest) add_test (NAME logging COMMAND logging_unittest) set_tests_properties (logging PROPERTIES TIMEOUT 30) # FIXME: Skip flaky test set_tests_properties (logging PROPERTIES SKIP_REGULAR_EXPRESSION "Check failed: time_ns within LogTimes::LOG_PERIOD_TOL_NS of LogTimes::LOG_PERIOD_NS") if (APPLE) # FIXME: Skip flaky test set_property (TEST logging APPEND PROPERTY SKIP_REGULAR_EXPRESSION "unexpected new.*PASS\nTest with golden file failed. We'll try to show the diff:") endif (APPLE) if (TARGET signalhandler_unittest) add_test (NAME signalhandler COMMAND signalhandler_unittest) endif (TARGET signalhandler_unittest) if (TARGET stacktrace_unittest) add_test (NAME stacktrace COMMAND stacktrace_unittest) set_tests_properties (stacktrace PROPERTIES TIMEOUT 30) endif (TARGET stacktrace_unittest) add_test (NAME stl_logging COMMAND stl_logging_unittest) if (TARGET symbolize_unittest) add_test (NAME symbolize COMMAND symbolize_unittest) endif (TARGET symbolize_unittest) if (HAVE_LIB_GMOCK) add_executable (mock-log_unittest src/mock-log_unittest.cc src/mock-log.h ) target_link_libraries (mock-log_unittest PRIVATE ${_GLOG_TEST_LIBS}) add_test (NAME mock-log COMMAND mock-log_unittest) endif (HAVE_LIB_GMOCK) # Generate an initial cache get_cache_variables (_CACHEVARS) set (_INITIAL_CACHE ${CMAKE_CURRENT_BINARY_DIR}/test_package_config/glog_package_config_initial_cache.cmake) # Package config test add_test (NAME cmake_package_config_init COMMAND ${CMAKE_COMMAND} -DTEST_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/test_package_config -DINITIAL_CACHE=${_INITIAL_CACHE} -DCACHEVARS=${_CACHEVARS} -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestInitPackageConfig.cmake ) add_test (NAME cmake_package_config_generate COMMAND ${CMAKE_COMMAND} -DGENERATOR=${CMAKE_GENERATOR} -DGENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM} -DGENERATOR_TOOLSET=${CMAKE_GENERATOR_TOOLSET} -DINITIAL_CACHE=${_INITIAL_CACHE} -DPACKAGE_DIR=${CMAKE_CURRENT_BINARY_DIR} -DPATH=$ENV{PATH} -DSOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}/src/package_config_unittest/working_config -DTEST_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/test_package_config/working_config -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestPackageConfig.cmake ) add_test (NAME cmake_package_config_build COMMAND ${CMAKE_COMMAND} --build ${CMAKE_CURRENT_BINARY_DIR}/test_package_config/working_config --config $ ) add_test (NAME cmake_package_config_cleanup COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_CURRENT_BINARY_DIR}/test_package_config ) # Fixtures setup set_tests_properties (cmake_package_config_init PROPERTIES FIXTURES_SETUP cmake_package_config) set_tests_properties (cmake_package_config_generate PROPERTIES FIXTURES_SETUP cmake_package_config_working) # Fixtures cleanup set_tests_properties (cmake_package_config_cleanup PROPERTIES FIXTURES_CLEANUP cmake_package_config) # Fixture requirements set_tests_properties (cmake_package_config_generate PROPERTIES FIXTURES_REQUIRED cmake_package_config) set_tests_properties (cmake_package_config_build PROPERTIES FIXTURES_REQUIRED "cmake_package_config;cmake_package_config_working") add_executable (cleanup_immediately_unittest src/cleanup_immediately_unittest.cc) target_link_libraries (cleanup_immediately_unittest PRIVATE ${_GLOG_TEST_LIBS}) add_executable (cleanup_with_absolute_prefix_unittest src/cleanup_with_absolute_prefix_unittest.cc) target_link_libraries (cleanup_with_absolute_prefix_unittest PRIVATE ${_GLOG_TEST_LIBS}) add_executable (cleanup_with_relative_prefix_unittest src/cleanup_with_relative_prefix_unittest.cc) target_link_libraries (cleanup_with_relative_prefix_unittest PRIVATE ${_GLOG_TEST_LIBS}) set (CLEANUP_LOG_DIR ${CMAKE_CURRENT_BINARY_DIR}/cleanup_tests) add_test (NAME cleanup_init COMMAND ${CMAKE_COMMAND} -E make_directory ${CLEANUP_LOG_DIR}) add_test (NAME cleanup_logdir COMMAND ${CMAKE_COMMAND} -E remove_directory ${CLEANUP_LOG_DIR}) add_test (NAME cleanup_immediately COMMAND ${CMAKE_COMMAND} -DLOGCLEANUP=$ # NOTE The trailing slash is important -DTEST_DIR=${CLEANUP_LOG_DIR}/ -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/RunCleanerTest1.cmake WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) add_test (NAME cleanup_with_absolute_prefix COMMAND ${CMAKE_COMMAND} -DLOGCLEANUP=$ -DTEST_DIR=${CMAKE_CURRENT_BINARY_DIR}/ -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/RunCleanerTest2.cmake WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) add_test (NAME cleanup_with_relative_prefix COMMAND ${CMAKE_COMMAND} -DLOGCLEANUP=$ -DTEST_DIR=${CMAKE_CURRENT_BINARY_DIR}/ -DTEST_SUBDIR=test_subdir/ -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/RunCleanerTest3.cmake WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) # Fixtures setup set_tests_properties (cleanup_init PROPERTIES FIXTURES_SETUP logcleanuptest) ## Fixtures cleanup set_tests_properties (cleanup_logdir PROPERTIES FIXTURES_CLEANUP logcleanuptest) # Fixture requirements set_tests_properties (cleanup_immediately PROPERTIES FIXTURES_REQUIRED logcleanuptest) set_tests_properties (cleanup_with_absolute_prefix PROPERTIES FIXTURES_REQUIRED logcleanuptest) set_tests_properties (cleanup_with_relative_prefix PROPERTIES FIXTURES_REQUIRED logcleanuptest) endif (BUILD_TESTING) install (TARGETS glog EXPORT glog-targets RUNTIME DESTINATION ${_glog_CMake_BINDIR} PUBLIC_HEADER DESTINATION ${_glog_CMake_INCLUDE_DIR}/glog LIBRARY DESTINATION ${_glog_CMake_LIBDIR} ARCHIVE DESTINATION ${_glog_CMake_LIBDIR}) if (WITH_PKGCONFIG) install ( FILES "${PROJECT_BINARY_DIR}/libglog.pc" DESTINATION "${_glog_CMake_LIBDIR}/pkgconfig" ) endif (WITH_PKGCONFIG) set (glog_CMake_VERSION 3.0) if (gflags_FOUND) # Ensure clients locate only the package config and not third party find # modules having the same name. This avoid cmake_policy PUSH/POP errors. if (CMAKE_VERSION VERSION_LESS 3.9) set (gflags_DEPENDENCY "find_dependency (gflags ${gflags_VERSION})") else (CMAKE_VERSION VERSION_LESS 3.9) # Passing additional find_package arguments to find_dependency is possible # starting with CMake 3.9. set (glog_CMake_VERSION 3.9) set (gflags_DEPENDENCY "find_dependency (gflags ${gflags_VERSION} NO_MODULE)") endif (CMAKE_VERSION VERSION_LESS 3.9) endif (gflags_FOUND) configure_package_config_file (glog-config.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake INSTALL_DESTINATION ${_glog_CMake_INSTALLDIR} NO_CHECK_REQUIRED_COMPONENTS_MACRO) write_basic_package_version_file ( ${CMAKE_CURRENT_BINARY_DIR}/glog-config-version.cmake COMPATIBILITY SameMajorVersion) export (TARGETS glog NAMESPACE glog:: FILE glog-targets.cmake) export (PACKAGE glog) get_filename_component (_PREFIX "${CMAKE_INSTALL_PREFIX}" ABSOLUTE) # Directory containing the find modules relative to the config install # directory. file (RELATIVE_PATH glog_REL_CMake_MODULES ${_PREFIX}/${_glog_CMake_INSTALLDIR} ${_PREFIX}/${_glog_CMake_DATADIR}/glog-modules.cmake) get_filename_component (glog_REL_CMake_DATADIR ${glog_REL_CMake_MODULES} DIRECTORY) set (glog_FULL_CMake_DATADIR ${CMAKE_CURRENT_BINARY_DIR}/${_glog_CMake_DATADIR}) configure_file (glog-modules.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/glog-modules.cmake @ONLY) install (CODE " set (glog_FULL_CMake_DATADIR \"\\\${CMAKE_CURRENT_LIST_DIR}/${glog_REL_CMake_DATADIR}\") set (glog_DATADIR_DESTINATION ${_glog_CMake_INSTALLDIR}) if (NOT IS_ABSOLUTE ${_glog_CMake_INSTALLDIR}) set (glog_DATADIR_DESTINATION \"\${CMAKE_INSTALL_PREFIX}/\${glog_DATADIR_DESTINATION}\") endif (NOT IS_ABSOLUTE ${_glog_CMake_INSTALLDIR}) configure_file (\"${CMAKE_CURRENT_SOURCE_DIR}/glog-modules.cmake.in\" \"${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/glog-modules.cmake\" @ONLY) file (INSTALL \"${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/glog-modules.cmake\" DESTINATION \"\${glog_DATADIR_DESTINATION}\") " COMPONENT Development ) install (FILES ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake ${CMAKE_CURRENT_BINARY_DIR}/glog-config-version.cmake DESTINATION ${_glog_CMake_INSTALLDIR}) # Find modules in share/glog/cmake install (DIRECTORY ${_glog_BINARY_CMake_DATADIR} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/glog COMPONENT Development FILES_MATCHING PATTERN "*.cmake" ) install (EXPORT glog-targets NAMESPACE glog:: DESTINATION ${_glog_CMake_INSTALLDIR}) glog-0.6.0/CONTRIBUTORS000066400000000000000000000037171422266545700143520ustar00rootroot00000000000000# People who have agreed to one of the CLAs and can contribute patches. # The AUTHORS file lists the copyright holders; this file # lists people. For example, Google employees are listed here # but not in AUTHORS, because Google holds the copyright. # # Names should be added to this file only after verifying that # the individual or the individual's organization has agreed to # the appropriate Contributor License Agreement, found here: # # https://developers.google.com/open-source/cla/individual # https://developers.google.com/open-source/cla/corporate # # The agreement for individuals can be filled out on the web. # # When adding J Random Contributor's name to this file, # either J's name or J's organization's name should be # added to the AUTHORS file, depending on whether the # individual or corporate CLA was used. # # Names should be added to this file as: # Name # # Please keep the list sorted. Abhishek Dasgupta Abhishek Parmar Andrew Schwartzmeyer Andy Ying Bret McKee Brian Silverman Dmitriy Arbitman Fumitoshi Ukai Guillaume Dumont Håkan L. S. Younes Ivan Penkov Jacob Trimble Jim Ray Marco Wang Michael Darr Michael Tanner MiniLight Peter Collingbourne Rodrigo Queiro romange Roman Perepelitsa Sergiu Deitsch Shinichiro Hamaji tbennun Teddy Reed Vijaymahantesh Sattigeri Zhongming Qu Zhuoran Shen glog-0.6.0/COPYING000066400000000000000000000062171422266545700135230ustar00rootroot00000000000000Copyright (c) 2008, Google Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Google Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. A function gettimeofday in utilities.cc is based on http://www.google.com/codesearch/p?hl=en#dR3YEbitojA/COPYING&q=GetSystemTimeAsFileTime%20license:bsd The license of this code is: Copyright (c) 2003-2008, Jouni Malinen and contributors All Rights Reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name(s) of the above-listed copyright holder(s) nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. glog-0.6.0/ChangeLog000066400000000000000000000071401422266545700142360ustar00rootroot000000000000002022-04-05 Google Inc. * google-glog: version 0.6.0. * See git log for the details. 2021-05-08 Google Inc. * google-glog: version 0.5.0. * See git log for the details. 2019-01-22 Google Inc. * google-glog: version 0.4.0. * See git log for the details. 2017-05-09 Google Inc. * google-glog: version 0.3.5 * See git log for the details. 2015-03-09 Google Inc. * google-glog: version 0.3.4 * See git log for the details. 2013-02-01 Google Inc. * google-glog: version 0.3.3 * Add --disable-rtti option for configure. * Visual Studio build and test fix. * QNX build fix (thanks vanuan). * Reduce warnings. * Fixed LOG_SYSRESULT (thanks ukai). * FreeBSD build fix (thanks yyanagisawa). * Clang build fix. * Now users can re-initialize glog after ShutdownGoogleLogging. * Color output support by GLOG_colorlogtostderr (thanks alexs). * Now glog's ABI around flags are compatible with gflags. * Document mentions how to modify flags from user programs. 2012-01-12 Google Inc. * google-glog: version 0.3.2 * Clang support. * Demangler and stacktrace improvement for newer GCCs. * Now fork(2) doesn't mess up log files. * Make valgrind happier. * Reduce warnings for more -W options. * Provide a workaround for ERROR defined by windows.h. 2010-06-15 Google Inc. * google-glog: version 0.3.1 * GLOG_* environment variables now work even when gflags is installed. * Snow leopard support. * Now we can build and test from out side tree. * Add DCHECK_NOTNULL. * Add ShutdownGoogleLogging to close syslog (thanks DGunchev) * Fix --enable-frame-pointers option (thanks kazuki.ohta) * Fix libunwind detection (thanks giantchen) 2009-07-30 Google Inc. * google-glog: version 0.3.0 * Fix a deadlock happened when user uses glog with recent gflags. * Suppress several unnecessary warnings (thanks keir). * NetBSD and OpenBSD support. * Use Win32API GetComputeNameA properly (thanks magila). * Fix user name detection for Windows (thanks ademin). * Fix several minor bugs. 2009-04-10 Google Inc. * google-glog: version 0.2.1 * Fix timestamps of VC++ version. * Add pkg-config support (thanks Tomasz) * Fix build problem when building with gtest (thanks Michael) * Add --with-gflags option for configure (thanks Michael) * Fixes for GCC 4.4 (thanks John) 2009-01-23 Google Inc. * google-glog: version 0.2 * Add initial Windows VC++ support. * Google testing/mocking frameworks integration. * Link pthread library automatically. * Flush logs in signal handlers. * Add macros LOG_TO_STRING, LOG_AT_LEVEL, DVLOG, and LOG_TO_SINK_ONLY. * Log microseconds. * Add --log_backtrace_at option. * Fix some minor bugs. 2008-11-18 Google Inc. * google-glog: version 0.1.2 * Add InstallFailureSignalHandler(). (satorux) * Re-organize the way to produce stacktraces. * Don't define unnecessary macro DISALLOW_EVIL_CONSTRUCTORS. 2008-10-15 Google Inc. * google-glog: version 0.1.1 * Support symbolize for MacOSX 10.5. * BUG FIX: --vmodule didn't work with gflags. * BUG FIX: symbolize_unittest failed with GCC 4.3. * Several fixes on the document. 2008-10-07 Google Inc. * google-glog: initial release: The glog package contains a library that implements application-level logging. This library provides logging APIs based on C++-style streams and various helper macros. glog-0.6.0/README.rst000066400000000000000000000770251422266545700141640ustar00rootroot00000000000000Google Logging Library ====================== |Linux Github actions| |Windows Github actions| |macOS Github actions| |Total alerts| |Language grade: C++| |Codecov| Google Logging (glog) is a C++98 library that implements application-level logging. The library provides logging APIs based on C++-style streams and various helper macros. .. role:: cmake(code) :language: cmake .. role:: cmd(code) :language: bash .. role:: cpp(code) :language: cpp .. role:: bazel(code) :language: starlark Getting Started --------------- You can log a message by simply streaming things to ``LOG``\ (`__>), e.g., .. code:: cpp #include int main(int argc, char* argv[]) { // Initialize Google’s logging library. google::InitGoogleLogging(argv[0]); // ... LOG(INFO) << "Found " << num_cookies << " cookies"; } For a detailed overview of glog features and their usage, please refer to the `user guide <#user-guide>`__. .. contents:: Table of Contents Building from Source -------------------- glog supports multiple build systems for compiling the project from source: `Bazel <#bazel>`__, `CMake <#cmake>`__, and `vcpkg <#vcpkg>`__. Bazel ~~~~~ To use glog within a project which uses the `Bazel `__ build tool, add the following lines to your ``WORKSPACE`` file: .. code:: bazel load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "com_github_gflags_gflags", sha256 = "34af2f15cf7367513b352bdcd2493ab14ce43692d2dcd9dfc499492966c64dcf", strip_prefix = "gflags-2.2.2", urls = ["https://github.com/gflags/gflags/archive/v2.2.2.tar.gz"], ) http_archive( name = "com_github_google_glog", sha256 = "21bc744fb7f2fa701ee8db339ded7dce4f975d0d55837a97be7d46e8382dea5a", strip_prefix = "glog-0.5.0", urls = ["https://github.com/google/glog/archive/v0.5.0.zip"], ) You can then add :bazel:`@com_github_google_glog//:glog` to the deps section of a :bazel:`cc_binary` or :bazel:`cc_library` rule, and :code:`#include ` to include it in your source code. Here’s a simple example: .. code:: bazel cc_binary( name = "main", srcs = ["main.cc"], deps = ["@com_github_google_glog//:glog"], ) CMake ~~~~~ glog also supports CMake that can be used to build the project on a wide range of platforms. If you don’t have CMake installed already, you can download it for from CMake’s `official website `__. CMake works by generating native makefiles or build projects that can be used in the compiler environment of your choice. You can either build glog with CMake as a standalone project or it can be incorporated into an existing CMake build for another project. Building glog with CMake ^^^^^^^^^^^^^^^^^^^^^^^^ When building glog as a standalone project, on Unix-like systems with GNU Make as build tool, the typical workflow is: 1. Get the source code and change to it. e.g., cloning with git: .. code:: bash git clone https://github.com/google/glog.git cd glog 2. Run CMake to configure the build tree. .. code:: bash cmake -S . -B build -G "Unix Makefiles" CMake provides different generators, and by default will pick the most relevant one to your environment. If you need a specific version of Visual Studio, use :cmd:`cmake . -G `, and see :cmd:`cmake --help` for the available generators. Also see :cmd:`-T `, which can be used to request the native x64 toolchain with :cmd:`-T host=x64`. 3. Afterwards, generated files can be used to compile the project. .. code:: bash cmake --build build 4. Test the build software (optional). .. code:: bash cmake --build build --target test 5. Install the built files (optional). .. code:: bash cmake --build build --target install Consuming glog in a CMake Project ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ If you have glog installed in your system, you can use the CMake command :cmake:`find_package` to build against glog in your CMake Project as follows: .. code:: cmake cmake_minimum_required (VERSION 3.16) project (myproj VERSION 1.0) find_package (glog 0.6.0 REQUIRED) add_executable (myapp main.cpp) target_link_libraries (myapp glog::glog) Compile definitions and options will be added automatically to your target as needed. Incorporating glog into a CMake Project ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ You can also use the CMake command :cmake:`add_subdirectory` to include glog directly from a subdirectory of your project by replacing the :cmake:`find_package` call from the previous example by :cmake:`add_subdirectory`. The :cmake:`glog::glog` target is in this case an :cmake:`ALIAS` library target for the ``glog`` library target. Again, compile definitions and options will be added automatically to your target as needed. vcpkg ~~~~~ You can download and install glog using the `vcpkg `__ dependency manager: .. code:: bash git clone https://github.com/Microsoft/vcpkg.git cd vcpkg ./bootstrap-vcpkg.sh ./vcpkg integrate install ./vcpkg install glog The glog port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please create an issue or pull request on the vcpkg repository. User Guide ---------- glog defines a series of macros that simplify many common logging tasks. You can log messages by severity level, control logging behavior from the command line, log based on conditionals, abort the program when expected conditions are not met, introduce your own verbose logging levels, customize the prefix attached to log messages, and more. Following sections describe the functionality supported by glog. Please note this description may not be complete but limited to the most useful ones. If you want to find less common features, please check header files under `src/glog `__ directory. Severity Levels ~~~~~~~~~~~~~~~ You can specify one of the following severity levels (in increasing order of severity): ``INFO``, ``WARNING``, ``ERROR``, and ``FATAL``. Logging a ``FATAL`` message terminates the program (after the message is logged). Note that messages of a given severity are logged not only in the logfile for that severity, but also in all logfiles of lower severity. E.g., a message of severity ``FATAL`` will be logged to the logfiles of severity ``FATAL``, ``ERROR``, ``WARNING``, and ``INFO``. The ``DFATAL`` severity logs a ``FATAL`` error in debug mode (i.e., there is no ``NDEBUG`` macro defined), but avoids halting the program in production by automatically reducing the severity to ``ERROR``. Unless otherwise specified, glog writes to the filename ``/tmp/\.\.\.log.\.\-\.\`` (e.g., ``/tmp/hello_world.example.com.hamaji.log.INFO.20080709-222411.10474``). By default, glog copies the log messages of severity level ``ERROR`` or ``FATAL`` to standard error (``stderr``) in addition to log files. Setting Flags ~~~~~~~~~~~~~ Several flags influence glog’s output behavior. If the `Google gflags library `__ is installed on your machine, the build system will automatically detect and use it, allowing you to pass flags on the command line. For example, if you want to turn the flag :cmd:`--logtostderr` on, you can start your application with the following command line: .. code:: bash ./your_application --logtostderr=1 If the Google gflags library isn’t installed, you set flags via environment variables, prefixing the flag name with ``GLOG_``, e.g., .. code:: bash GLOG_logtostderr=1 ./your_application The following flags are most commonly used: ``logtostderr`` (``bool``, default=\ ``false``) Log messages to ``stderr`` instead of logfiles. Note: you can set binary flags to ``true`` by specifying ``1``, ``true``, or ``yes`` (case insensitive). Also, you can set binary flags to ``false`` by specifying ``0``, ``false``, or ``no`` (again, case insensitive). ``stderrthreshold`` (``int``, default=2, which is ``ERROR``) Copy log messages at or above this level to stderr in addition to logfiles. The numbers of severity levels ``INFO``, ``WARNING``, ``ERROR``, and ``FATAL`` are 0, 1, 2, and 3, respectively. ``minloglevel`` (``int``, default=0, which is ``INFO``) Log messages at or above this level. Again, the numbers of severity levels ``INFO``, ``WARNING``, ``ERROR``, and ``FATAL`` are 0, 1, 2, and 3, respectively. ``log_dir`` (``string``, default="") If specified, logfiles are written into this directory instead of the default logging directory. ``v`` (``int``, default=0) Show all ``VLOG(m)`` messages for ``m`` less or equal the value of this flag. Overridable by :cmd:`--vmodule`. See `the section about verbose logging <#verbose-logging>`__ for more detail. ``vmodule`` (``string``, default="") Per-module verbose level. The argument has to contain a comma-separated list of =. is a glob pattern (e.g., ``gfs*`` for all modules whose name starts with "gfs"), matched against the filename base (that is, name ignoring .cc/.h./-inl.h). overrides any value given by :cmd:`--v`. See also `the section about verbose logging <#verbose-logging>`__. There are some other flags defined in logging.cc. Please grep the source code for ``DEFINE_`` to see a complete list of all flags. You can also modify flag values in your program by modifying global variables ``FLAGS_*`` . Most settings start working immediately after you update ``FLAGS_*`` . The exceptions are the flags related to destination files. For example, you might want to set ``FLAGS_log_dir`` before calling :cpp:`google::InitGoogleLogging` . Here is an example: .. code:: cpp LOG(INFO) << "file"; // Most flags work immediately after updating values. FLAGS_logtostderr = 1; LOG(INFO) << "stderr"; FLAGS_logtostderr = 0; // This won’t change the log destination. If you want to set this // value, you should do this before google::InitGoogleLogging . FLAGS_log_dir = "/some/log/directory"; LOG(INFO) << "the same file"; Conditional / Occasional Logging ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Sometimes, you may only want to log a message under certain conditions. You can use the following macros to perform conditional logging: .. code:: cpp LOG_IF(INFO, num_cookies > 10) << "Got lots of cookies"; The "Got lots of cookies" message is logged only when the variable ``num_cookies`` exceeds 10. If a line of code is executed many times, it may be useful to only log a message at certain intervals. This kind of logging is most useful for informational messages. .. code:: cpp LOG_EVERY_N(INFO, 10) << "Got the " << google::COUNTER << "th cookie"; The above line outputs a log messages on the 1st, 11th, 21st, ... times it is executed. Note that the special ``google::COUNTER`` value is used to identify which repetition is happening. You can combine conditional and occasional logging with the following macro. .. code:: cpp LOG_IF_EVERY_N(INFO, (size > 1024), 10) << "Got the " << google::COUNTER << "th big cookie"; Instead of outputting a message every nth time, you can also limit the output to the first n occurrences: .. code:: cpp LOG_FIRST_N(INFO, 20) << "Got the " << google::COUNTER << "th cookie"; Outputs log messages for the first 20 times it is executed. Again, the ``google::COUNTER`` identifier indicates which repetition is happening. Other times, it is desired to only log a message periodically based on a time. So for example, to log a message every 10ms: .. code:: cpp LOG_EVERY_T(INFO, 0.01) << "Got a cookie"; Or every 2.35s: .. code:: cpp LOG_EVERY_T(INFO, 2.35) << "Got a cookie"; Debug Mode Support ~~~~~~~~~~~~~~~~~~ Special "debug mode" logging macros only have an effect in debug mode and are compiled away to nothing for non-debug mode compiles. Use these macros to avoid slowing down your production application due to excessive logging. .. code:: cpp DLOG(INFO) << "Found cookies"; DLOG_IF(INFO, num_cookies > 10) << "Got lots of cookies"; DLOG_EVERY_N(INFO, 10) << "Got the " << google::COUNTER << "th cookie"; ``CHECK`` Macros ~~~~~~~~~~~~~~~~ It is a good practice to check expected conditions in your program frequently to detect errors as early as possible. The ``CHECK`` macro provides the ability to abort the application when a condition is not met, similar to the ``assert`` macro defined in the standard C library. ``CHECK`` aborts the application if a condition is not true. Unlike ``assert``, it is \*not\* controlled by ``NDEBUG``, so the check will be executed regardless of compilation mode. Therefore, ``fp->Write(x)`` in the following example is always executed: .. code:: cpp CHECK(fp->Write(x) == 4) << "Write failed!"; There are various helper macros for equality/inequality checks - ``CHECK_EQ``, ``CHECK_NE``, ``CHECK_LE``, ``CHECK_LT``, ``CHECK_GE``, and ``CHECK_GT``. They compare two values, and log a ``FATAL`` message including the two values when the result is not as expected. The values must have :cpp:`operator<<(ostream, ...)` defined. You may append to the error message like so: .. code:: cpp CHECK_NE(1, 2) << ": The world must be ending!"; We are very careful to ensure that each argument is evaluated exactly once, and that anything which is legal to pass as a function argument is legal here. In particular, the arguments may be temporary expressions which will end up being destroyed at the end of the apparent statement, for example: .. code:: cpp CHECK_EQ(string("abc")[1], ’b’); The compiler reports an error if one of the arguments is a pointer and the other is :cpp:`NULL`. To work around this, simply :cpp:`static_cast` :cpp:`NULL` to the type of the desired pointer. .. code:: cpp CHECK_EQ(some_ptr, static_cast(NULL)); Better yet, use the ``CHECK_NOTNULL`` macro: .. code:: cpp CHECK_NOTNULL(some_ptr); some_ptr->DoSomething(); Since this macro returns the given pointer, this is very useful in constructor initializer lists. .. code:: cpp struct S { S(Something* ptr) : ptr_(CHECK_NOTNULL(ptr)) {} Something* ptr_; }; Note that you cannot use this macro as a C++ stream due to this feature. Please use ``CHECK_EQ`` described above to log a custom message before aborting the application. If you are comparing C strings (:cpp:`char *`), a handy set of macros performs case sensitive as well as case insensitive comparisons - ``CHECK_STREQ``, ``CHECK_STRNE``, ``CHECK_STRCASEEQ``, and ``CHECK_STRCASENE``. The CASE versions are case-insensitive. You can safely pass :cpp:`NULL` pointers for this macro. They treat :cpp:`NULL` and any non-:cpp:`NULL` string as not equal. Two :cpp:`NULL`\ s are equal. Note that both arguments may be temporary strings which are destructed at the end of the current "full expression" (e.g., :cpp:`CHECK_STREQ(Foo().c_str(), Bar().c_str())` where ``Foo`` and ``Bar`` return C++’s :cpp:`std::string`). The ``CHECK_DOUBLE_EQ`` macro checks the equality of two floating point values, accepting a small error margin. ``CHECK_NEAR`` accepts a third floating point argument, which specifies the acceptable error margin. Verbose Logging ~~~~~~~~~~~~~~~ When you are chasing difficult bugs, thorough log messages are very useful. However, you may want to ignore too verbose messages in usual development. For such verbose logging, glog provides the ``VLOG`` macro, which allows you to define your own numeric logging levels. The :cmd:`--v` command line option controls which verbose messages are logged: .. code:: cpp VLOG(1) << "I’m printed when you run the program with --v=1 or higher"; VLOG(2) << "I’m printed when you run the program with --v=2 or higher"; With ``VLOG``, the lower the verbose level, the more likely messages are to be logged. For example, if :cmd:`--v==1`, ``VLOG(1)`` will log, but ``VLOG(2)`` will not log. This is opposite of the severity level, where ``INFO`` is 0, and ``ERROR`` is 2. :cmd:`--minloglevel` of 1 will log ``WARNING`` and above. Though you can specify any integers for both ``VLOG`` macro and :cmd:`--v` flag, the common values for them are small positive integers. For example, if you write ``VLOG(0)``, you should specify :cmd:`--v=-1` or lower to silence it. This is less useful since we may not want verbose logs by default in most cases. The ``VLOG`` macros always log at the ``INFO`` log level (when they log at all). Verbose logging can be controlled from the command line on a per-module basis: .. code:: bash --vmodule=mapreduce=2,file=1,gfs*=3 --v=0 will: (a) Print ``VLOG(2)`` and lower messages from mapreduce.{h,cc} (b) Print ``VLOG(1)`` and lower messages from file.{h,cc} (c) Print ``VLOG(3)`` and lower messages from files prefixed with "gfs" (d) Print ``VLOG(0)`` and lower messages from elsewhere The wildcarding functionality shown by (c) supports both ’*’ (matches 0 or more characters) and ’?’ (matches any single character) wildcards. Please also check the section about `command line flags <#setting-flags>`__. There’s also ``VLOG_IS_ON(n)`` "verbose level" condition macro. This macro returns true when the :cmd:`--v` is equal or greater than ``n``. To be used as .. code:: cpp if (VLOG_IS_ON(2)) { // do some logging preparation and logging // that can’t be accomplished with just VLOG(2) << ...; } Verbose level condition macros ``VLOG_IF``, ``VLOG_EVERY_N`` and ``VLOG_IF_EVERY_N`` behave analogous to ``LOG_IF``, ``LOG_EVERY_N``, ``LOF_IF_EVERY``, but accept a numeric verbosity level as opposed to a severity level. .. code:: cpp VLOG_IF(1, (size > 1024)) << "I’m printed when size is more than 1024 and when you run the " "program with --v=1 or more"; VLOG_EVERY_N(1, 10) << "I’m printed every 10th occurrence, and when you run the program " "with --v=1 or more. Present occurence is " << google::COUNTER; VLOG_IF_EVERY_N(1, (size > 1024), 10) << "I’m printed on every 10th occurence of case when size is more " " than 1024, when you run the program with --v=1 or more. "; "Present occurence is " << google::COUNTER; Custom Log Prefix Format ~~~~~~~~~~~~~~~~~~~~~~~~ glog supports changing the format of the prefix attached to log messages by receiving a user-provided callback to be used to generate such strings. That feature must be enabled at compile time by the ``WITH_CUSTOM_PREFIX`` flag. For each log entry, the callback will be invoked with a ``LogMessageInfo`` struct containing the severity, filename, line number, thread ID, and time of the event. It will also be given a reference to the output stream, whose contents will be prepended to the actual message in the final log line. For example: .. code:: cpp /* This function writes a prefix that matches glog's default format. * (The third parameter can be used to receive user-supplied data, and is * NULL by default.) */ void CustomPrefix(std::ostream &s, const LogMessageInfo &l, void*) { s << l.severity[0] << setw(4) << 1900 + l.time.year() << setw(2) << 1 + l.time.month() << setw(2) << l.time.day() << ' ' << setw(2) << l.time.hour() << ':' << setw(2) << l.time.min() << ':' << setw(2) << l.time.sec() << "." << setw(6) << l.time.usec() << ' ' << setfill(' ') << setw(5) << l.thread_id << setfill('0') << ' ' << l.filename << ':' << l.line_number << "]"; } To enable the use of ``CustomPrefix()``, simply give glog a pointer to it during initialization: ``InitGoogleLogging(argv[0], &CustomPrefix);``. Optionally, ``InitGoogleLogging()`` takes a third argument of type ``void*`` to pass on to the callback function. Failure Signal Handler ~~~~~~~~~~~~~~~~~~~~~~ The library provides a convenient signal handler that will dump useful information when the program crashes on certain signals such as ``SIGSEGV``. The signal handler can be installed by :cpp:`google::InstallFailureSignalHandler()`. The following is an example of output from the signal handler. :: *** Aborted at 1225095260 (unix time) try "date -d @1225095260" if you are using GNU date *** *** SIGSEGV (@0x0) received by PID 17711 (TID 0x7f893090a6f0) from PID 0; stack trace: *** PC: @ 0x412eb1 TestWaitingLogSink::send() @ 0x7f892fb417d0 (unknown) @ 0x412eb1 TestWaitingLogSink::send() @ 0x7f89304f7f06 google::LogMessage::SendToLog() @ 0x7f89304f35af google::LogMessage::Flush() @ 0x7f89304f3739 google::LogMessage::~LogMessage() @ 0x408cf4 TestLogSinkWaitTillSent() @ 0x4115de main @ 0x7f892f7ef1c4 (unknown) @ 0x4046f9 (unknown) By default, the signal handler writes the failure dump to the standard error. You can customize the destination by :cpp:`InstallFailureWriter()`. Performance of Messages ~~~~~~~~~~~~~~~~~~~~~~~ The conditional logging macros provided by glog (e.g., ``CHECK``, ``LOG_IF``, ``VLOG``, etc.) are carefully implemented and don’t execute the right hand side expressions when the conditions are false. So, the following check may not sacrifice the performance of your application. .. code:: cpp CHECK(obj.ok) << obj.CreatePrettyFormattedStringButVerySlow(); User-defined Failure Function ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``FATAL`` severity level messages or unsatisfied ``CHECK`` condition terminate your program. You can change the behavior of the termination by :cpp:`InstallFailureFunction`. .. code:: cpp void YourFailureFunction() { // Reports something... exit(EXIT_FAILURE); } int main(int argc, char* argv[]) { google::InstallFailureFunction(&YourFailureFunction); } By default, glog tries to dump stacktrace and makes the program exit with status 1. The stacktrace is produced only when you run the program on an architecture for which glog supports stack tracing (as of September 2008, glog supports stack tracing for x86 and x86_64). Raw Logging ~~~~~~~~~~~ The header file ```` can be used for thread-safe logging, which does not allocate any memory or acquire any locks. Therefore, the macros defined in this header file can be used by low-level memory allocation and synchronization code. Please check `src/glog/raw_logging.h.in `__ for detail. Google Style ``perror()`` ~~~~~~~~~~~~~~~~~~~~~~~~~ ``PLOG()`` and ``PLOG_IF()`` and ``PCHECK()`` behave exactly like their ``LOG*`` and ``CHECK`` equivalents with the addition that they append a description of the current state of errno to their output lines. E.g. .. code:: cpp PCHECK(write(1, NULL, 2) >= 0) << "Write NULL failed"; This check fails with the following error message. :: F0825 185142 test.cc:22] Check failed: write(1, NULL, 2) >= 0 Write NULL failed: Bad address [14] Syslog ~~~~~~ ``SYSLOG``, ``SYSLOG_IF``, and ``SYSLOG_EVERY_N`` macros are available. These log to syslog in addition to the normal logs. Be aware that logging to syslog can drastically impact performance, especially if syslog is configured for remote logging! Make sure you understand the implications of outputting to syslog before you use these macros. In general, it’s wise to use these macros sparingly. Strip Logging Messages ~~~~~~~~~~~~~~~~~~~~~~ Strings used in log messages can increase the size of your binary and present a privacy concern. You can therefore instruct glog to remove all strings which fall below a certain severity level by using the ``GOOGLE_STRIP_LOG`` macro: If your application has code like this: .. code:: cpp #define GOOGLE_STRIP_LOG 1 // this must go before the #include! #include The compiler will remove the log messages whose severities are less than the specified integer value. Since ``VLOG`` logs at the severity level ``INFO`` (numeric value ``0``), setting ``GOOGLE_STRIP_LOG`` to 1 or greater removes all log messages associated with ``VLOG``\ s as well as ``INFO`` log statements. Automatically Remove Old Logs ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ To enable the log cleaner: .. code:: cpp google::EnableLogCleaner(3); // keep your logs for 3 days And then glog will check if there are overdue logs whenever a flush is performed. In this example, any log file from your project whose last modified time is greater than 3 days will be unlink()ed. This feature can be disabled at any time (if it has been enabled) .. code:: cpp google::DisableLogCleaner(); Notes for Windows Users ~~~~~~~~~~~~~~~~~~~~~~~ glog defines a severity level ``ERROR``, which is also defined in ``windows.h`` . You can make glog not define ``INFO``, ``WARNING``, ``ERROR``, and ``FATAL`` by defining ``GLOG_NO_ABBREVIATED_SEVERITIES`` before including ``glog/logging.h`` . Even with this macro, you can still use the iostream like logging facilities: .. code:: cpp #define GLOG_NO_ABBREVIATED_SEVERITIES #include #include // ... LOG(ERROR) << "This should work"; LOG_IF(ERROR, x > y) << "This should be also OK"; However, you cannot use ``INFO``, ``WARNING``, ``ERROR``, and ``FATAL`` anymore for functions defined in ``glog/logging.h`` . .. code:: cpp #define GLOG_NO_ABBREVIATED_SEVERITIES #include #include // ... // This won’t work. // google::FlushLogFiles(google::ERROR); // Use this instead. google::FlushLogFiles(google::GLOG_ERROR); If you don’t need ``ERROR`` defined by ``windows.h``, there are a couple of more workarounds which sometimes don’t work: - ``#define WIN32_LEAN_AND_MEAN`` or ``NOGDI`` **before** you ``#include windows.h``. - ``#undef ERROR`` **after** you ``#include windows.h`` . See `this issue `__ for more detail. Installation Notes for 64-bit Linux Systems ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The glibc built-in stack-unwinder on 64-bit systems has some problems with glog. (In particular, if you are using :cpp:`InstallFailureSignalHandler()`, the signal may be raised in the middle of malloc, holding some malloc-related locks when they invoke the stack unwinder. The built-in stack unwinder may call malloc recursively, which may require the thread to acquire a lock it already holds: deadlock.) For that reason, if you use a 64-bit system and you need :cpp:`InstallFailureSignalHandler()`, we strongly recommend you install ``libunwind`` before trying to configure or install google glog. libunwind can be found `here `__. Even if you already have ``libunwind`` installed, you will probably still need to install from the snapshot to get the latest version. Caution: if you install libunwind from the URL above, be aware that you may have trouble if you try to statically link your binary with glog: that is, if you link with ``gcc -static -lgcc_eh ...``. This is because both ``libunwind`` and ``libgcc`` implement the same C++ exception handling APIs, but they implement them differently on some platforms. This is not likely to be a problem on ia64, but may be on x86-64. Also, if you link binaries statically, make sure that you add :cmd:`-Wl,--eh-frame-hdr` to your linker options. This is required so that ``libunwind`` can find the information generated by the compiler required for stack unwinding. Using :cmd:`-static` is rare, though, so unless you know this will affect you it probably won’t. If you cannot or do not wish to install libunwind, you can still try to use two kinds of stack-unwinder: 1. glibc built-in stack-unwinder and 2. frame pointer based stack-unwinder. 1. As we already mentioned, glibc’s unwinder has a deadlock issue. However, if you don’t use :cpp:`InstallFailureSignalHandler()` or you don’t worry about the rare possibilities of deadlocks, you can use this stack-unwinder. If you specify no options and ``libunwind`` isn’t detected on your system, the configure script chooses this unwinder by default. 2. The frame pointer based stack unwinder requires that your application, the glog library, and system libraries like libc, all be compiled with a frame pointer. This is *not* the default for x86-64. How to Contribute ----------------- We’d love to accept your patches and contributions to this project. There are a just a few small guidelines you need to follow. Contributor License Agreement (CLA) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Contributions to any Google project must be accompanied by a Contributor License Agreement. This is not a copyright **assignment**, it simply gives Google permission to use and redistribute your contributions as part of the project. * If you are an individual writing original source code and you’re sure you own the intellectual property, then you’ll need to sign an `individual CLA `__. * If you work for a company that wants to allow you to contribute your work, then you’ll need to sign a `corporate CLA `__. You generally only need to submit a CLA once, so if you’ve already submitted one (even if it was for a different project), you probably don’t need to do it again. Once your CLA is submitted (or if you already submitted one for another Google project), make a commit adding yourself to the `AUTHORS <./AUTHORS>`__ and `CONTRIBUTORS <./CONTRIBUTORS>`__ files. This commit can be part of your first `pull request `__. Submitting a Patch ~~~~~~~~~~~~~~~~~~ 1. It’s generally best to start by opening a new issue describing the bug or feature you’re intending to fix. Even if you think it’s relatively minor, it’s helpful to know what people are working on. Mention in the initial issue that you are planning to work on that bug or feature so that it can be assigned to you. 2. Follow the normal process of `forking `__ the project, and setup a new branch to work in. It’s important that each group of changes be done in separate branches in order to ensure that a pull request only includes the commits related to that bug or feature. 3. Do your best to have `well-formed commit messages `__ for each change. This provides consistency throughout the project, and ensures that commit messages are able to be formatted properly by various git tools. 4. Finally, push the commits to your fork and submit a `pull request `__. .. |Linux Github actions| image:: https://github.com/google/glog/actions/workflows/linux.yml/badge.svg :target: https://github.com/google/glog/actions .. |Windows Github actions| image:: https://github.com/google/glog/actions/workflows/windows.yml/badge.svg :target: https://github.com/google/glog/actions .. |macOS Github actions| image:: https://github.com/google/glog/actions/workflows/macos.yml/badge.svg :target: https://github.com/google/glog/actions .. |Total alerts| image:: https://img.shields.io/lgtm/alerts/g/google/glog.svg?logo=lgtm&logoWidth=18 :target: https://lgtm.com/projects/g/google/glog/alerts/ .. |Language grade: C++| image:: https://img.shields.io/lgtm/grade/cpp/g/google/glog.svg?logo=lgtm&logoWidth=18) :target: https://lgtm.com/projects/g/google/glog/context:cpp .. |Codecov| image:: https://codecov.io/gh/google/glog/branch/master/graph/badge.svg?token=8an420vNju :target: https://codecov.io/gh/google/glog glog-0.6.0/WORKSPACE000066400000000000000000000006341422266545700137460ustar00rootroot00000000000000load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "com_github_gflags_gflags", sha256 = "34af2f15cf7367513b352bdcd2493ab14ce43692d2dcd9dfc499492966c64dcf", strip_prefix = "gflags-2.2.2", urls = [ "https://mirror.bazel.build/github.com/gflags/gflags/archive/v2.2.2.tar.gz", "https://github.com/gflags/gflags/archive/v2.2.2.tar.gz", ], ) glog-0.6.0/bazel/000077500000000000000000000000001422266545700135575ustar00rootroot00000000000000glog-0.6.0/bazel/example/000077500000000000000000000000001422266545700152125ustar00rootroot00000000000000glog-0.6.0/bazel/example/BUILD.bazel000066400000000000000000000002371422266545700170720ustar00rootroot00000000000000cc_test( name = "main", size = "small", srcs = ["main.cc"], deps = [ "//:glog", "@com_github_gflags_gflags//:gflags", ], ) glog-0.6.0/bazel/example/main.cc000066400000000000000000000010031422266545700164370ustar00rootroot00000000000000#include #include #include int main(int argc, char* argv[]) { // Initialize Google's logging library. google::InitGoogleLogging(argv[0]); // Optional: parse command line flags gflags::ParseCommandLineFlags(&argc, &argv, true); LOG(INFO) << "Hello, world!"; // glog/stl_logging.h allows logging STL containers. std::vector x; x.push_back(1); x.push_back(2); x.push_back(3); LOG(INFO) << "ABC, it's easy as " << x; return 0; } glog-0.6.0/bazel/glog.bzl000066400000000000000000000215641422266545700152300ustar00rootroot00000000000000# Implement a macro glog_library() that the BUILD.bazel file can load. # By default, glog is built with gflags support. You can change this behavior # by using glog_library(with_gflags=0) # # This file is inspired by the following sample BUILD files: # https://github.com/google/glog/issues/61 # https://github.com/google/glog/files/393474/BUILD.txt # # Known issue: the namespace parameter is not supported on Win32. def expand_template_impl(ctx): ctx.actions.expand_template( template = ctx.file.template, output = ctx.outputs.out, substitutions = ctx.attr.substitutions, ) expand_template = rule( implementation = expand_template_impl, attrs = { "template": attr.label(mandatory = True, allow_single_file = True), "substitutions": attr.string_dict(mandatory = True), "out": attr.output(mandatory = True), }, ) def dict_union(x, y): z = {} z.update(x) z.update(y) return z def glog_library(namespace = "google", with_gflags = 1, **kwargs): if native.repository_name() != "@": repo_name = native.repository_name().lstrip("@") gendir = "$(GENDIR)/external/" + repo_name src_windows = "external/%s/src/windows" % repo_name else: gendir = "$(GENDIR)" src_windows = "src/windows" # Config setting for WebAssembly target. native.config_setting( name = "wasm", values = {"cpu": "wasm"}, ) # Detect when building with clang-cl on Windows. native.config_setting( name = "clang-cl", values = {"compiler": "clang-cl"}, ) common_copts = [ "-DGLOG_BAZEL_BUILD", # Inject a C++ namespace. "-DGOOGLE_NAMESPACE='%s'" % namespace, "-DHAVE_CXX11_NULLPTR_T", "-DHAVE_STDINT_H", "-DHAVE_STRING_H", "-DGLOG_CUSTOM_PREFIX_SUPPORT", "-I%s/glog_internal" % gendir, ] + (["-DHAVE_LIB_GFLAGS"] if with_gflags else []) wasm_copts = [ # Disable warnings that exists in glog. "-Wno-sign-compare", "-Wno-unused-function", "-Wno-unused-local-typedefs", "-Wno-unused-variable", # Allows src/base/mutex.h to include pthread.h. "-DHAVE_PTHREAD", # Allows src/logging.cc to determine the host name. "-DHAVE_SYS_UTSNAME_H", # For src/utilities.cc. "-DHAVE_SYS_TIME_H", "-DHAVE_UNWIND_H", # Enable dumping stacktrace upon sigaction. "-DHAVE_SIGACTION", # For logging.cc. "-DHAVE_PREAD", "-DHAVE___ATTRIBUTE__", ] linux_or_darwin_copts = wasm_copts + [ "-DGLOG_EXPORT=__attribute__((visibility(\\\"default\\\")))", # For src/utilities.cc. "-DHAVE_SYS_SYSCALL_H", # For src/logging.cc to create symlinks. "-DHAVE_UNISTD_H", "-fvisibility-inlines-hidden", "-fvisibility=hidden", ] freebsd_only_copts = [ # Enable declaration of _Unwind_Backtrace "-D_GNU_SOURCE", ] darwin_only_copts = [ # For stacktrace. "-DHAVE_DLADDR", # Avoid deprecated syscall(). "-DHAVE_PTHREAD_THREADID_NP", ] windows_only_copts = [ # Override -DGLOG_EXPORT= from the cc_library's defines. "-DGLOG_EXPORT=__declspec(dllexport)", "-DGLOG_NO_ABBREVIATED_SEVERITIES", "-DHAVE_SNPRINTF", "-I" + src_windows, ] clang_cl_only_copts = [ # Allow the override of -DGLOG_EXPORT. "-Wno-macro-redefined", ] windows_only_srcs = [ "src/glog/log_severity.h", "src/windows/dirent.h", "src/windows/port.cc", "src/windows/port.h", ] gflags_deps = ["@com_github_gflags_gflags//:gflags"] if with_gflags else [] native.cc_library( name = "glog", visibility = ["//visibility:public"], srcs = [ ":config_h", "src/base/commandlineflags.h", "src/base/googleinit.h", "src/base/mutex.h", "src/demangle.cc", "src/demangle.h", "src/logging.cc", "src/raw_logging.cc", "src/signalhandler.cc", "src/stacktrace.h", "src/stacktrace_generic-inl.h", "src/stacktrace_libunwind-inl.h", "src/stacktrace_powerpc-inl.h", "src/stacktrace_unwind-inl.h", "src/stacktrace_windows-inl.h", "src/stacktrace_x86-inl.h", "src/symbolize.cc", "src/symbolize.h", "src/utilities.cc", "src/utilities.h", "src/vlog_is_on.cc", ] + select({ "@bazel_tools//src/conditions:windows": windows_only_srcs, "//conditions:default": [], }), hdrs = [ "src/glog/log_severity.h", "src/glog/platform.h", ":logging_h", ":raw_logging_h", ":stl_logging_h", ":vlog_is_on_h", ], strip_include_prefix = "src", defines = select({ # GLOG_EXPORT is normally set by export.h, but that's not # generated for Bazel. "@bazel_tools//src/conditions:windows": [ "GLOG_EXPORT=", "GLOG_DEPRECATED=__declspec(deprecated)", "GLOG_NO_ABBREVIATED_SEVERITIES", ], "//conditions:default": [ "GLOG_DEPRECATED=__attribute__((deprecated))", "GLOG_EXPORT=__attribute__((visibility(\\\"default\\\")))", ], }), copts = select({ "@bazel_tools//src/conditions:windows": common_copts + windows_only_copts, "@bazel_tools//src/conditions:darwin": common_copts + linux_or_darwin_copts + darwin_only_copts, "@bazel_tools//src/conditions:freebsd": common_copts + linux_or_darwin_copts + freebsd_only_copts, ":wasm": common_copts + wasm_copts, "//conditions:default": common_copts + linux_or_darwin_copts, }) + select({ ":clang-cl": clang_cl_only_copts, "//conditions:default": [] }), deps = gflags_deps + select({ "@bazel_tools//src/conditions:windows": [":strip_include_prefix_hack"], "//conditions:default": [], }), **kwargs ) # Workaround https://github.com/bazelbuild/bazel/issues/6337 by declaring # the dependencies without strip_include_prefix. native.cc_library( name = "strip_include_prefix_hack", hdrs = [ "src/glog/log_severity.h", ":logging_h", ":raw_logging_h", ":stl_logging_h", ":vlog_is_on_h", ], ) expand_template( name = "config_h", template = "src/config.h.cmake.in", out = "glog_internal/config.h", substitutions = {"#cmakedefine": "//cmakedefine"}, ) common_config = { "@ac_cv_cxx11_atomic@": "1", "@ac_cv_cxx11_constexpr@": "1", "@ac_cv_cxx11_chrono@": "1", "@ac_cv_cxx11_nullptr_t@": "1", "@ac_cv_cxx_using_operator@": "1", "@ac_cv_have_inttypes_h@": "0", "@ac_cv_have_u_int16_t@": "0", "@ac_cv_have_glog_export@": "0", "@ac_google_start_namespace@": "namespace google {", "@ac_google_end_namespace@": "}", "@ac_google_namespace@": "google", } posix_config = dict_union(common_config, { "@ac_cv_have_unistd_h@": "1", "@ac_cv_have_stdint_h@": "1", "@ac_cv_have_systypes_h@": "1", "@ac_cv_have_uint16_t@": "1", "@ac_cv_have___uint16@": "0", "@ac_cv_have___builtin_expect@": "1", "@ac_cv_have_libgflags@": "1" if with_gflags else "0", "@ac_cv___attribute___noinline@": "__attribute__((noinline))", "@ac_cv___attribute___noreturn@": "__attribute__((noreturn))", "@ac_cv___attribute___printf_4_5@": "__attribute__((__format__(__printf__, 4, 5)))", }) windows_config = dict_union(common_config, { "@ac_cv_have_unistd_h@": "0", "@ac_cv_have_stdint_h@": "0", "@ac_cv_have_systypes_h@": "0", "@ac_cv_have_uint16_t@": "0", "@ac_cv_have___uint16@": "1", "@ac_cv_have___builtin_expect@": "0", "@ac_cv_have_libgflags@": "0", "@ac_cv___attribute___noinline@": "", "@ac_cv___attribute___noreturn@": "__declspec(noreturn)", "@ac_cv___attribute___printf_4_5@": "", }) [ expand_template( name = "%s_h" % f, template = "src/glog/%s.h.in" % f, out = "src/glog/%s.h" % f, substitutions = select({ "@bazel_tools//src/conditions:windows": windows_config, "//conditions:default": posix_config, }), ) for f in [ "vlog_is_on", "stl_logging", "raw_logging", "logging", ] ] glog-0.6.0/cmake/000077500000000000000000000000001422266545700135425ustar00rootroot00000000000000glog-0.6.0/cmake/DetermineGflagsNamespace.cmake000066400000000000000000000044261422266545700214270ustar00rootroot00000000000000macro(determine_gflags_namespace VARIABLE) if (NOT DEFINED "${VARIABLE}") if (CMAKE_REQUIRED_INCLUDES) set (CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}") else () set (CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS) endif () set(MACRO_CHECK_INCLUDE_FILE_FLAGS ${CMAKE_REQUIRED_FLAGS}) set(_NAMESPACES gflags google) set(_check_code " #include int main(int argc, char**argv) { GLOG_GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true); } ") if (NOT CMAKE_REQUIRED_QUIET) message (STATUS "Looking for gflags namespace") endif () if (${ARGC} EQUAL 3) set (CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS}) set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARGV2}") endif () set (_check_file ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/DetermineGflagsNamespace.cxx) foreach (_namespace ${_NAMESPACES}) file (WRITE "${_check_file}" "${_check_code}") try_compile (${VARIABLE} "${CMAKE_BINARY_DIR}" "${_check_file}" COMPILE_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}" -DGLOG_GFLAGS_NAMESPACE=${_namespace} LINK_LIBRARIES gflags CMAKE_FLAGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} OUTPUT_VARIABLE OUTPUT) if (${VARIABLE}) set (${VARIABLE} ${_namespace} CACHE INTERNAL "gflags namespace" FORCE) break () else () file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining the gflags namespace ${_namespace} failed with the following output:\n" "${OUTPUT}\n\n") endif () endforeach (_namespace) if (${ARGC} EQUAL 3) set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVE}) endif () if (${VARIABLE}) if (NOT CMAKE_REQUIRED_QUIET) message (STATUS "Looking for gflags namespace - ${${VARIABLE}}") endif () file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining the gflags namespace passed with the following output:\n" "${OUTPUT}\n\n") else () if (NOT CMAKE_REQUIRED_QUIET) message (STATUS "Looking for gflags namespace - failed") endif () set (${VARIABLE} ${_namespace} CACHE INTERNAL "gflags namespace") endif () endif () endmacro () glog-0.6.0/cmake/FindUnwind.cmake000066400000000000000000000041411422266545700166110ustar00rootroot00000000000000# - Try to find libunwind # Once done this will define # # Unwind_FOUND - system has libunwind # unwind::unwind - cmake target for libunwind include (FindPackageHandleStandardArgs) find_path (Unwind_INCLUDE_DIR NAMES unwind.h libunwind.h DOC "unwind include directory") find_library (Unwind_LIBRARY NAMES unwind DOC "unwind library") mark_as_advanced (Unwind_INCLUDE_DIR Unwind_LIBRARY) # Extract version information if (Unwind_LIBRARY) set (_Unwind_VERSION_HEADER ${Unwind_INCLUDE_DIR}/libunwind-common.h) if (EXISTS ${_Unwind_VERSION_HEADER}) file (READ ${_Unwind_VERSION_HEADER} _Unwind_VERSION_CONTENTS) string (REGEX REPLACE ".*#define UNW_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" Unwind_VERSION_MAJOR "${_Unwind_VERSION_CONTENTS}") string (REGEX REPLACE ".*#define UNW_VERSION_MINOR[ \t]+([0-9]+).*" "\\1" Unwind_VERSION_MINOR "${_Unwind_VERSION_CONTENTS}") string (REGEX REPLACE ".*#define UNW_VERSION_EXTRA[ \t]+([0-9]+).*" "\\1" Unwind_VERSION_PATCH "${_Unwind_VERSION_CONTENTS}") set (Unwind_VERSION ${Unwind_VERSION_MAJOR}.${Unwind_VERSION_MINOR}) if (CMAKE_MATCH_0) # Third version component may be empty set (Unwind_VERSION ${Unwind_VERSION}.${Unwind_VERSION_PATCH}) set (Unwind_VERSION_COMPONENTS 3) else (CMAKE_MATCH_0) set (Unwind_VERSION_COMPONENTS 2) endif (CMAKE_MATCH_0) endif (EXISTS ${_Unwind_VERSION_HEADER}) endif (Unwind_LIBRARY) # handle the QUIETLY and REQUIRED arguments and set Unwind_FOUND to TRUE # if all listed variables are TRUE find_package_handle_standard_args (Unwind REQUIRED_VARS Unwind_INCLUDE_DIR Unwind_LIBRARY VERSION_VAR Unwind_VERSION ) if (Unwind_FOUND) if (NOT TARGET unwind::unwind) add_library (unwind::unwind INTERFACE IMPORTED) set_property (TARGET unwind::unwind PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${Unwind_INCLUDE_DIR} ) set_property (TARGET unwind::unwind PROPERTY INTERFACE_LINK_LIBRARIES ${Unwind_LIBRARY} ) set_property (TARGET unwind::unwind PROPERTY IMPORTED_CONFIGURATIONS RELEASE ) endif (NOT TARGET unwind::unwind) endif (Unwind_FOUND) glog-0.6.0/cmake/GetCacheVariables.cmake000066400000000000000000000046671422266545700200550ustar00rootroot00000000000000cmake_policy (PUSH) cmake_policy (VERSION 3.3) include (CMakeParseArguments) function (get_cache_variables _CACHEVARS) set (_SINGLE) set (_MULTI EXCLUDE) set (_OPTIONS) cmake_parse_arguments (_ARGS "${_OPTIONS}" "${_SINGLE}" "${_MULTI}" ${ARGS} ${ARGN}) get_cmake_property (_VARIABLES VARIABLES) set (CACHEVARS) foreach (_VAR ${_VARIABLES}) if (DEFINED _ARGS_EXCLUDE) if ("${_VAR}" IN_LIST _ARGS_EXCLUDE) continue () endif ("${_VAR}" IN_LIST _ARGS_EXCLUDE) endif (DEFINED _ARGS_EXCLUDE) get_property (_CACHEVARTYPE CACHE ${_VAR} PROPERTY TYPE) if ("${_CACHEVARTYPE}" STREQUAL INTERNAL OR "${_CACHEVARTYPE}" STREQUAL STATIC OR "${_CACHEVARTYPE}" STREQUAL UNINITIALIZED) continue () endif ("${_CACHEVARTYPE}" STREQUAL INTERNAL OR "${_CACHEVARTYPE}" STREQUAL STATIC OR "${_CACHEVARTYPE}" STREQUAL UNINITIALIZED) get_property (_CACHEVARVAL CACHE ${_VAR} PROPERTY VALUE) if ("${_CACHEVARVAL}" STREQUAL "") continue () endif ("${_CACHEVARVAL}" STREQUAL "") get_property (_CACHEVARDOC CACHE ${_VAR} PROPERTY HELPSTRING) # Escape " in values string (REPLACE "\"" "\\\"" _CACHEVARVAL "${_CACHEVARVAL}") # Escape " in help strings string (REPLACE "\"" "\\\"" _CACHEVARDOC "${_CACHEVARDOC}") # Escape ; in values string (REPLACE ";" "\\\;" _CACHEVARVAL "${_CACHEVARVAL}") # Escape ; in help strings string (REPLACE ";" "\\\;" _CACHEVARDOC "${_CACHEVARDOC}") # Escape backslashes in values except those that are followed by a # quote. string (REGEX REPLACE "\\\\([^\"])" "\\\\\\1" _CACHEVARVAL "${_CACHEVARVAL}") # Escape backslashes in values that are followed by a letter to avoid # invalid escape sequence errors. string (REGEX REPLACE "\\\\([a-zA-Z])" "\\\\\\\\1" _CACHEVARVAL "${_CACHEVARVAL}") string (REPLACE "\\\\" "\\\\\\\\" _CACHEVARDOC "${_CACHEVARDOC}") if (NOT "${_CACHEVARTYPE}" STREQUAL BOOL) set (_CACHEVARVAL "\"${_CACHEVARVAL}\"") endif (NOT "${_CACHEVARTYPE}" STREQUAL BOOL) if (NOT "${_CACHEVARTYPE}" STREQUAL "" AND NOT "${_CACHEVARVAL}" STREQUAL "") set (CACHEVARS "${CACHEVARS}set (${_VAR} ${_CACHEVARVAL} CACHE ${_CACHEVARTYPE} \"${_CACHEVARDOC}\")\n") endif (NOT "${_CACHEVARTYPE}" STREQUAL "" AND NOT "${_CACHEVARVAL}" STREQUAL "") endforeach (_VAR) set (${_CACHEVARS} ${CACHEVARS} PARENT_SCOPE) endfunction (get_cache_variables) cmake_policy (POP) glog-0.6.0/cmake/RunCleanerTest1.cmake000066400000000000000000000013631422266545700175260ustar00rootroot00000000000000set (RUNS 3) foreach (iter RANGE 1 ${RUNS}) set (ENV{GOOGLE_LOG_DIR} ${TEST_DIR}) execute_process (COMMAND ${LOGCLEANUP} RESULT_VARIABLE _RESULT) if (NOT _RESULT EQUAL 0) message (FATAL_ERROR "Failed to run logcleanup_unittest (error: ${_RESULT})") endif (NOT _RESULT EQUAL 0) # Ensure the log files to have different modification timestamps such that # exactly one log file remains at the end. Otherwise all log files will be # retained. execute_process (COMMAND ${CMAKE_COMMAND} -E sleep 1) endforeach (iter) file (GLOB LOG_FILES ${TEST_DIR}/*.foobar) list (LENGTH LOG_FILES NUM_FILES) if (NOT NUM_FILES EQUAL 1) message (SEND_ERROR "Expected 1 log file in log directory but found ${NUM_FILES}") endif (NOT NUM_FILES EQUAL 1) glog-0.6.0/cmake/RunCleanerTest2.cmake000066400000000000000000000013771422266545700175340ustar00rootroot00000000000000set (RUNS 3) foreach (iter RANGE 1 ${RUNS}) execute_process (COMMAND ${LOGCLEANUP} -log_dir=${TEST_DIR} RESULT_VARIABLE _RESULT) if (NOT _RESULT EQUAL 0) message (FATAL_ERROR "Failed to run logcleanup_unittest (error: ${_RESULT})") endif (NOT _RESULT EQUAL 0) # Ensure the log files to have different modification timestamps such that # exactly one log file remains at the end. Otherwise all log files will be # retained. execute_process (COMMAND ${CMAKE_COMMAND} -E sleep 1) endforeach (iter) file (GLOB LOG_FILES ${TEST_DIR}/test_cleanup_*.barfoo) list (LENGTH LOG_FILES NUM_FILES) if (NOT NUM_FILES EQUAL 1) message (SEND_ERROR "Expected 1 log file in build directory ${TEST_DIR} but found ${NUM_FILES}") endif (NOT NUM_FILES EQUAL 1) glog-0.6.0/cmake/RunCleanerTest3.cmake000066400000000000000000000017611422266545700175320ustar00rootroot00000000000000set (RUNS 3) # Create the subdirectory required by this unit test. file (MAKE_DIRECTORY ${TEST_DIR}/${TEST_SUBDIR}) foreach (iter RANGE 1 ${RUNS}) execute_process (COMMAND ${LOGCLEANUP} -log_dir=${TEST_DIR} RESULT_VARIABLE _RESULT) if (NOT _RESULT EQUAL 0) message (FATAL_ERROR "Failed to run logcleanup_unittest (error: ${_RESULT})") endif (NOT _RESULT EQUAL 0) # Ensure the log files to have different modification timestamps such that # exactly one log file remains at the end. Otherwise all log files will be # retained. execute_process (COMMAND ${CMAKE_COMMAND} -E sleep 2) endforeach (iter) file (GLOB LOG_FILES ${TEST_DIR}/${TEST_SUBDIR}/test_cleanup_*.relativefoo) list (LENGTH LOG_FILES NUM_FILES) if (NOT NUM_FILES EQUAL 1) message (SEND_ERROR "Expected 1 log file in build directory ${TEST_DIR}${TEST_SUBDIR} but found ${NUM_FILES}") endif (NOT NUM_FILES EQUAL 1) # Remove the subdirectory required by this unit test. file (REMOVE_RECURSE ${TEST_DIR}/${TEST_SUBDIR}) glog-0.6.0/cmake/TestInitPackageConfig.cmake000066400000000000000000000005511422266545700207120ustar00rootroot00000000000000# Create the build directory execute_process ( COMMAND ${CMAKE_COMMAND} -E make_directory ${TEST_BINARY_DIR} RESULT_VARIABLE _DIRECTORY_CREATED_SUCCEEDED ) if (NOT _DIRECTORY_CREATED_SUCCEEDED EQUAL 0) message (FATAL_ERROR "Failed to create build directory") endif (NOT _DIRECTORY_CREATED_SUCCEEDED EQUAL 0) file (WRITE ${INITIAL_CACHE} "${CACHEVARS}") glog-0.6.0/cmake/TestPackageConfig.cmake000066400000000000000000000026671422266545700201000ustar00rootroot00000000000000# Create the build directory execute_process ( COMMAND ${CMAKE_COMMAND} -E make_directory ${TEST_BINARY_DIR} RESULT_VARIABLE _DIRECTORY_CREATED_SUCCEEDED ) if (NOT _DIRECTORY_CREATED_SUCCEEDED EQUAL 0) message (FATAL_ERROR "Failed to create build directory") endif (NOT _DIRECTORY_CREATED_SUCCEEDED EQUAL 0) if (GENERATOR_TOOLSET) list (APPEND _ADDITIONAL_ARGS -T ${GENERATOR_TOOLSET}) endif (GENERATOR_TOOLSET) if (GENERATOR_PLATFORM) list (APPEND _ADDITIONAL_ARGS -A ${GENERATOR_PLATFORM}) endif (GENERATOR_PLATFORM) # Run CMake execute_process ( # Capture the PATH environment variable content set during project generation # stage. This is required because later during the build stage the PATH is # modified again (e.g., for MinGW AppVeyor CI builds) by adding back the # directory containing git.exe. Incidently, the Git installation directory # also contains sh.exe which causes MinGW Makefile generation to fail. COMMAND ${CMAKE_COMMAND} -E env PATH=${PATH} ${CMAKE_COMMAND} -C ${INITIAL_CACHE} -G ${GENERATOR} ${_ADDITIONAL_ARGS} -DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON -DCMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY=ON -DCMAKE_PREFIX_PATH=${PACKAGE_DIR} ${SOURCE_DIR} WORKING_DIRECTORY ${TEST_BINARY_DIR} RESULT_VARIABLE _GENERATE_SUCCEEDED ) if (NOT _GENERATE_SUCCEEDED EQUAL 0) message (FATAL_ERROR "Failed to generate project files using CMake") endif (NOT _GENERATE_SUCCEEDED EQUAL 0) glog-0.6.0/glog-config.cmake.in000066400000000000000000000005721422266545700162700ustar00rootroot00000000000000if (CMAKE_VERSION VERSION_LESS @glog_CMake_VERSION@) message (FATAL_ERROR "CMake >= @glog_CMake_VERSION@ required") endif (CMAKE_VERSION VERSION_LESS @glog_CMake_VERSION@) @PACKAGE_INIT@ include (CMakeFindDependencyMacro) include (${CMAKE_CURRENT_LIST_DIR}/glog-modules.cmake) @gflags_DEPENDENCY@ @Unwind_DEPENDENCY@ include (${CMAKE_CURRENT_LIST_DIR}/glog-targets.cmake) glog-0.6.0/glog-modules.cmake.in000066400000000000000000000012561422266545700164730ustar00rootroot00000000000000cmake_policy (PUSH) cmake_policy (SET CMP0057 NEW) if (CMAKE_VERSION VERSION_LESS 3.3) message (FATAL_ERROR "glog-modules.cmake requires the consumer " "to use CMake 3.3 (or newer)") endif (CMAKE_VERSION VERSION_LESS 3.3) set (glog_MODULE_PATH "@glog_FULL_CMake_DATADIR@") list (APPEND CMAKE_MODULE_PATH ${glog_MODULE_PATH}) if (NOT glog_MODULE_PATH IN_LIST CMAKE_MODULE_PATH) message (FATAL_ERROR "Cannot add '${glog_MODULE_PATH}' to " "CMAKE_MODULE_PATH. This will cause glog-config.cmake to fail at " "locating required find modules. Make sure CMAKE_MODULE_PATH is not a cache variable.") endif (NOT glog_MODULE_PATH IN_LIST CMAKE_MODULE_PATH) cmake_policy (POP) glog-0.6.0/libglog.pc.in000066400000000000000000000004241422266545700150320ustar00rootroot00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libglog Description: Google Log (glog) C++ logging framework Version: @VERSION@ Libs: -L${libdir} -lglog Libs.private: @glog_libraries_options_for_static_linking@ Cflags: -I${includedir} glog-0.6.0/src/000077500000000000000000000000001422266545700132515ustar00rootroot00000000000000glog-0.6.0/src/base/000077500000000000000000000000001422266545700141635ustar00rootroot00000000000000glog-0.6.0/src/base/commandlineflags.h000066400000000000000000000141201422266545700176350ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // --- // This file is a compatibility layer that defines Google's version of // command line flags that are used for configuration. // // We put flags into their own namespace. It is purposefully // named in an opaque way that people should have trouble typing // directly. The idea is that DEFINE puts the flag in the weird // namespace, and DECLARE imports the flag from there into the // current namespace. The net result is to force people to use // DECLARE to get access to a flag, rather than saying // extern bool FLAGS_logtostderr; // or some such instead. We want this so we can put extra // functionality (like sanity-checking) in DECLARE if we want, // and make sure it is picked up everywhere. // // We also put the type of the variable in the namespace, so that // people can't DECLARE_int32 something that they DEFINE_bool'd // elsewhere. #ifndef BASE_COMMANDLINEFLAGS_H__ #define BASE_COMMANDLINEFLAGS_H__ #include "config.h" #include // for getenv #include // for memchr #include #ifdef HAVE_LIB_GFLAGS #include #else #include #define DECLARE_VARIABLE(type, shorttype, name, tn) \ namespace fL##shorttype { \ extern GLOG_EXPORT type FLAGS_##name; \ } \ using fL##shorttype::FLAGS_##name #define DEFINE_VARIABLE(type, shorttype, name, value, meaning, tn) \ namespace fL##shorttype { \ GLOG_EXPORT type FLAGS_##name(value); \ char FLAGS_no##name; \ } \ using fL##shorttype::FLAGS_##name // bool specialization #define DECLARE_bool(name) \ DECLARE_VARIABLE(bool, B, name, bool) #define DEFINE_bool(name, value, meaning) \ DEFINE_VARIABLE(bool, B, name, value, meaning, bool) // int32 specialization #define DECLARE_int32(name) \ DECLARE_VARIABLE(GOOGLE_NAMESPACE::int32, I, name, int32) #define DEFINE_int32(name, value, meaning) \ DEFINE_VARIABLE(GOOGLE_NAMESPACE::int32, I, name, value, meaning, int32) // uint32 specialization #ifndef DECLARE_uint32 #define DECLARE_uint32(name) \ DECLARE_VARIABLE(GOOGLE_NAMESPACE::uint32, U, name, uint32) #endif // DECLARE_uint64 #define DEFINE_uint32(name, value, meaning) \ DEFINE_VARIABLE(GOOGLE_NAMESPACE::uint32, U, name, value, meaning, uint32) // Special case for string, because we have to specify the namespace // std::string, which doesn't play nicely with our FLAG__namespace hackery. #define DECLARE_string(name) \ namespace fLS { \ extern GLOG_EXPORT std::string& FLAGS_##name; \ } \ using fLS::FLAGS_##name #define DEFINE_string(name, value, meaning) \ namespace fLS { \ std::string FLAGS_##name##_buf(value); \ GLOG_EXPORT std::string& FLAGS_##name = FLAGS_##name##_buf; \ char FLAGS_no##name; \ } \ using fLS::FLAGS_##name #endif // HAVE_LIB_GFLAGS // Define GLOG_DEFINE_* using DEFINE_* . By using these macros, we // have GLOG_* environ variables even if we have gflags installed. // // If both an environment variable and a flag are specified, the value // specified by a flag wins. E.g., if GLOG_v=0 and --v=1, the // verbosity will be 1, not 0. #define GLOG_DEFINE_bool(name, value, meaning) \ DEFINE_bool(name, EnvToBool("GLOG_" #name, value), meaning) #define GLOG_DEFINE_int32(name, value, meaning) \ DEFINE_int32(name, EnvToInt("GLOG_" #name, value), meaning) #define GLOG_DEFINE_uint32(name, value, meaning) \ DEFINE_uint32(name, EnvToUInt("GLOG_" #name, value), meaning) #define GLOG_DEFINE_string(name, value, meaning) \ DEFINE_string(name, EnvToString("GLOG_" #name, value), meaning) // These macros (could be functions, but I don't want to bother with a .cc // file), make it easier to initialize flags from the environment. #define EnvToString(envname, dflt) \ (!getenv(envname) ? (dflt) : getenv(envname)) #define EnvToBool(envname, dflt) \ (!getenv(envname) ? (dflt) : memchr("tTyY1\0", getenv(envname)[0], 6) != NULL) #define EnvToInt(envname, dflt) \ (!getenv(envname) ? (dflt) : strtol(getenv(envname), NULL, 10)) #define EnvToUInt(envname, dflt) \ (!getenv(envname) ? (dflt) : strtoul(getenv(envname), NULL, 10)) #endif // BASE_COMMANDLINEFLAGS_H__ glog-0.6.0/src/base/googleinit.h000066400000000000000000000041531422266545700164770ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // --- // Author: Jacob Hoffman-Andrews #ifndef _GOOGLEINIT_H #define _GOOGLEINIT_H class GoogleInitializer { public: typedef void (*void_function)(void); GoogleInitializer(const char*, void_function f) { f(); } }; #define REGISTER_MODULE_INITIALIZER(name, body) \ namespace { \ static void google_init_module_##name () { body; } \ GoogleInitializer google_initializer_module_##name(#name, \ google_init_module_##name); \ } #endif /* _GOOGLEINIT_H */ glog-0.6.0/src/base/mutex.h000066400000000000000000000324311422266545700155010ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // --- // Author: Craig Silverstein. // // A simple mutex wrapper, supporting locks and read-write locks. // You should assume the locks are *not* re-entrant. // // To use: you should define the following macros in your configure.ac: // ACX_PTHREAD // AC_RWLOCK // The latter is defined in ../autoconf. // // This class is meant to be internal-only and should be wrapped by an // internal namespace. Before you use this module, please give the // name of your internal namespace for this module. Or, if you want // to expose it, you'll want to move it to the Google namespace. We // cannot put this class in global namespace because there can be some // problems when we have multiple versions of Mutex in each shared object. // // NOTE: by default, we have #ifdef'ed out the TryLock() method. // This is for two reasons: // 1) TryLock() under Windows is a bit annoying (it requires a // #define to be defined very early). // 2) TryLock() is broken for NO_THREADS mode, at least in NDEBUG // mode. // If you need TryLock(), and either these two caveats are not a // problem for you, or you're willing to work around them, then // feel free to #define GMUTEX_TRYLOCK, or to remove the #ifdefs // in the code below. // // CYGWIN NOTE: Cygwin support for rwlock seems to be buggy: // http://www.cygwin.com/ml/cygwin/2008-12/msg00017.html // Because of that, we might as well use windows locks for // cygwin. They seem to be more reliable than the cygwin pthreads layer. // // TRICKY IMPLEMENTATION NOTE: // This class is designed to be safe to use during // dynamic-initialization -- that is, by global constructors that are // run before main() starts. The issue in this case is that // dynamic-initialization happens in an unpredictable order, and it // could be that someone else's dynamic initializer could call a // function that tries to acquire this mutex -- but that all happens // before this mutex's constructor has run. (This can happen even if // the mutex and the function that uses the mutex are in the same .cc // file.) Basically, because Mutex does non-trivial work in its // constructor, it's not, in the naive implementation, safe to use // before dynamic initialization has run on it. // // The solution used here is to pair the actual mutex primitive with a // bool that is set to true when the mutex is dynamically initialized. // (Before that it's false.) Then we modify all mutex routines to // look at the bool, and not try to lock/unlock until the bool makes // it to true (which happens after the Mutex constructor has run.) // // This works because before main() starts -- particularly, during // dynamic initialization -- there are no threads, so a) it's ok that // the mutex operations are a no-op, since we don't need locking then // anyway; and b) we can be quite confident our bool won't change // state between a call to Lock() and a call to Unlock() (that would // require a global constructor in one translation unit to call Lock() // and another global constructor in another translation unit to call // Unlock() later, which is pretty perverse). // // That said, it's tricky, and can conceivably fail; it's safest to // avoid trying to acquire a mutex in a global constructor, if you // can. One way it can fail is that a really smart compiler might // initialize the bool to true at static-initialization time (too // early) rather than at dynamic-initialization time. To discourage // that, we set is_safe_ to true in code (not the constructor // colon-initializer) and set it to true via a function that always // evaluates to true, but that the compiler can't know always // evaluates to true. This should be good enough. #ifndef GOOGLE_MUTEX_H_ #define GOOGLE_MUTEX_H_ #include "config.h" // to figure out pthreads support #if defined(NO_THREADS) typedef int MutexType; // to keep a lock-count #elif defined(_WIN32) || defined(__CYGWIN__) # ifndef WIN32_LEAN_AND_MEAN # define WIN32_LEAN_AND_MEAN // We only need minimal includes # endif # ifdef GMUTEX_TRYLOCK // We need Windows NT or later for TryEnterCriticalSection(). If you // don't need that functionality, you can remove these _WIN32_WINNT // lines, and change TryLock() to assert(0) or something. # ifndef _WIN32_WINNT # define _WIN32_WINNT 0x0400 # endif # endif // To avoid macro definition of ERROR. # ifndef NOGDI # define NOGDI # endif // To avoid macro definition of min/max. # ifndef NOMINMAX # define NOMINMAX # endif # include typedef CRITICAL_SECTION MutexType; #elif defined(HAVE_PTHREAD) && defined(HAVE_RWLOCK) // Needed for pthread_rwlock_*. If it causes problems, you could take it // out, but then you'd have to unset HAVE_RWLOCK (at least on linux -- it // *does* cause problems for FreeBSD, or MacOSX, but isn't needed // for locking there.) # ifdef __linux__ # ifndef _XOPEN_SOURCE // Some other header might have already set it for us. # define _XOPEN_SOURCE 500 // may be needed to get the rwlock calls # endif # endif # include typedef pthread_rwlock_t MutexType; #elif defined(HAVE_PTHREAD) # include typedef pthread_mutex_t MutexType; #else # error Need to implement mutex.h for your architecture, or #define NO_THREADS #endif // We need to include these header files after defining _XOPEN_SOURCE // as they may define the _XOPEN_SOURCE macro. #include #include // for abort() #define MUTEX_NAMESPACE glog_internal_namespace_ namespace MUTEX_NAMESPACE { class Mutex { public: // Create a Mutex that is not held by anybody. This constructor is // typically used for Mutexes allocated on the heap or the stack. // See below for a recommendation for constructing global Mutex // objects. inline Mutex(); // Destructor inline ~Mutex(); inline void Lock(); // Block if needed until free then acquire exclusively inline void Unlock(); // Release a lock acquired via Lock() #ifdef GMUTEX_TRYLOCK inline bool TryLock(); // If free, Lock() and return true, else return false #endif // Note that on systems that don't support read-write locks, these may // be implemented as synonyms to Lock() and Unlock(). So you can use // these for efficiency, but don't use them anyplace where being able // to do shared reads is necessary to avoid deadlock. inline void ReaderLock(); // Block until free or shared then acquire a share inline void ReaderUnlock(); // Release a read share of this Mutex inline void WriterLock() { Lock(); } // Acquire an exclusive lock inline void WriterUnlock() { Unlock(); } // Release a lock from WriterLock() // TODO(hamaji): Do nothing, implement correctly. inline void AssertHeld() {} private: MutexType mutex_; // We want to make sure that the compiler sets is_safe_ to true only // when we tell it to, and never makes assumptions is_safe_ is // always true. volatile is the most reliable way to do that. volatile bool is_safe_; inline void SetIsSafe() { is_safe_ = true; } // Catch the error of writing Mutex when intending MutexLock. Mutex(Mutex* /*ignored*/) {} // Disallow "evil" constructors Mutex(const Mutex&); void operator=(const Mutex&); }; // Now the implementation of Mutex for various systems #if defined(NO_THREADS) // When we don't have threads, we can be either reading or writing, // but not both. We can have lots of readers at once (in no-threads // mode, that's most likely to happen in recursive function calls), // but only one writer. We represent this by having mutex_ be -1 when // writing and a number > 0 when reading (and 0 when no lock is held). // // In debug mode, we assert these invariants, while in non-debug mode // we do nothing, for efficiency. That's why everything is in an // assert. Mutex::Mutex() : mutex_(0) { } Mutex::~Mutex() { assert(mutex_ == 0); } void Mutex::Lock() { assert(--mutex_ == -1); } void Mutex::Unlock() { assert(mutex_++ == -1); } #ifdef GMUTEX_TRYLOCK bool Mutex::TryLock() { if (mutex_) return false; Lock(); return true; } #endif void Mutex::ReaderLock() { assert(++mutex_ > 0); } void Mutex::ReaderUnlock() { assert(mutex_-- > 0); } #elif defined(_WIN32) || defined(__CYGWIN__) Mutex::Mutex() { InitializeCriticalSection(&mutex_); SetIsSafe(); } Mutex::~Mutex() { DeleteCriticalSection(&mutex_); } void Mutex::Lock() { if (is_safe_) EnterCriticalSection(&mutex_); } void Mutex::Unlock() { if (is_safe_) LeaveCriticalSection(&mutex_); } #ifdef GMUTEX_TRYLOCK bool Mutex::TryLock() { return is_safe_ ? TryEnterCriticalSection(&mutex_) != 0 : true; } #endif void Mutex::ReaderLock() { Lock(); } // we don't have read-write locks void Mutex::ReaderUnlock() { Unlock(); } #elif defined(HAVE_PTHREAD) && defined(HAVE_RWLOCK) #define SAFE_PTHREAD(fncall) do { /* run fncall if is_safe_ is true */ \ if (is_safe_ && fncall(&mutex_) != 0) abort(); \ } while (0) Mutex::Mutex() { SetIsSafe(); if (is_safe_ && pthread_rwlock_init(&mutex_, NULL) != 0) abort(); } Mutex::~Mutex() { SAFE_PTHREAD(pthread_rwlock_destroy); } void Mutex::Lock() { SAFE_PTHREAD(pthread_rwlock_wrlock); } void Mutex::Unlock() { SAFE_PTHREAD(pthread_rwlock_unlock); } #ifdef GMUTEX_TRYLOCK bool Mutex::TryLock() { return is_safe_ ? pthread_rwlock_trywrlock(&mutex_) == 0 : true; } #endif void Mutex::ReaderLock() { SAFE_PTHREAD(pthread_rwlock_rdlock); } void Mutex::ReaderUnlock() { SAFE_PTHREAD(pthread_rwlock_unlock); } #undef SAFE_PTHREAD #elif defined(HAVE_PTHREAD) #define SAFE_PTHREAD(fncall) do { /* run fncall if is_safe_ is true */ \ if (is_safe_ && fncall(&mutex_) != 0) abort(); \ } while (0) Mutex::Mutex() { SetIsSafe(); if (is_safe_ && pthread_mutex_init(&mutex_, NULL) != 0) abort(); } Mutex::~Mutex() { SAFE_PTHREAD(pthread_mutex_destroy); } void Mutex::Lock() { SAFE_PTHREAD(pthread_mutex_lock); } void Mutex::Unlock() { SAFE_PTHREAD(pthread_mutex_unlock); } #ifdef GMUTEX_TRYLOCK bool Mutex::TryLock() { return is_safe_ ? pthread_mutex_trylock(&mutex_) == 0 : true; } #endif void Mutex::ReaderLock() { Lock(); } void Mutex::ReaderUnlock() { Unlock(); } #undef SAFE_PTHREAD #endif // -------------------------------------------------------------------------- // Some helper classes // MutexLock(mu) acquires mu when constructed and releases it when destroyed. class MutexLock { public: explicit MutexLock(Mutex *mu) : mu_(mu) { mu_->Lock(); } ~MutexLock() { mu_->Unlock(); } private: Mutex * const mu_; // Disallow "evil" constructors MutexLock(const MutexLock&); void operator=(const MutexLock&); }; // ReaderMutexLock and WriterMutexLock do the same, for rwlocks class ReaderMutexLock { public: explicit ReaderMutexLock(Mutex *mu) : mu_(mu) { mu_->ReaderLock(); } ~ReaderMutexLock() { mu_->ReaderUnlock(); } private: Mutex * const mu_; // Disallow "evil" constructors ReaderMutexLock(const ReaderMutexLock&); void operator=(const ReaderMutexLock&); }; class WriterMutexLock { public: explicit WriterMutexLock(Mutex *mu) : mu_(mu) { mu_->WriterLock(); } ~WriterMutexLock() { mu_->WriterUnlock(); } private: Mutex * const mu_; // Disallow "evil" constructors WriterMutexLock(const WriterMutexLock&); void operator=(const WriterMutexLock&); }; // Catch bug where variable name is omitted, e.g. MutexLock (&mu); #define MutexLock(x) COMPILE_ASSERT(0, mutex_lock_decl_missing_var_name) #define ReaderMutexLock(x) COMPILE_ASSERT(0, rmutex_lock_decl_missing_var_name) #define WriterMutexLock(x) COMPILE_ASSERT(0, wmutex_lock_decl_missing_var_name) } // namespace MUTEX_NAMESPACE using namespace MUTEX_NAMESPACE; #undef MUTEX_NAMESPACE #endif /* #define GOOGLE_MUTEX_H__ */ glog-0.6.0/src/cleanup_immediately_unittest.cc000066400000000000000000000060401422266545700215310ustar00rootroot00000000000000// Copyright (c) 2021, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include #include "base/commandlineflags.h" #include "googletest.h" #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif #ifdef HAVE_LIB_GMOCK #include #include "mock-log.h" // Introduce several symbols from gmock. using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog; using testing::_; using testing::AllOf; using testing::AnyNumber; using testing::HasSubstr; using testing::InitGoogleMock; using testing::StrictMock; using testing::StrNe; #endif using namespace GOOGLE_NAMESPACE; TEST(CleanImmediately, logging) { google::SetLogFilenameExtension(".foobar"); google::EnableLogCleaner(0); for (unsigned i = 0; i < 1000; ++i) { LOG(INFO) << "cleanup test"; } google::DisableLogCleaner(); } int main(int argc, char **argv) { FLAGS_colorlogtostderr = false; FLAGS_timestamp_in_logfile_name = true; #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif // Make sure stderr is not buffered as stderr seems to be buffered // on recent windows. setbuf(stderr, NULL); // Test some basics before InitGoogleLogging: CaptureTestStderr(); const string early_stderr = GetCapturedTestStderr(); EXPECT_FALSE(IsGoogleLoggingInitialized()); InitGoogleLogging(argv[0]); EXPECT_TRUE(IsGoogleLoggingInitialized()); InitGoogleTest(&argc, argv); #ifdef HAVE_LIB_GMOCK InitGoogleMock(&argc, argv); #endif // so that death tests run before we use threads CHECK_EQ(RUN_ALL_TESTS(), 0); } glog-0.6.0/src/cleanup_with_absolute_prefix_unittest.cc000066400000000000000000000062701422266545700234610ustar00rootroot00000000000000// Copyright (c) 2021, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include #include "base/commandlineflags.h" #include "googletest.h" #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif #ifdef HAVE_LIB_GMOCK #include #include "mock-log.h" // Introduce several symbols from gmock. using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog; using testing::_; using testing::AllOf; using testing::AnyNumber; using testing::HasSubstr; using testing::InitGoogleMock; using testing::StrictMock; using testing::StrNe; #endif using namespace GOOGLE_NAMESPACE; TEST(CleanImmediatelyWithAbsolutePrefix, logging) { google::EnableLogCleaner(0); google::SetLogFilenameExtension(".barfoo"); google::SetLogDestination(GLOG_INFO, "test_cleanup_"); for (unsigned i = 0; i < 1000; ++i) { LOG(INFO) << "cleanup test"; } for (unsigned i = 0; i < 10; ++i) { LOG(ERROR) << "cleanup test"; } google::DisableLogCleaner(); } int main(int argc, char **argv) { FLAGS_colorlogtostderr = false; FLAGS_timestamp_in_logfile_name = true; #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif // Make sure stderr is not buffered as stderr seems to be buffered // on recent windows. setbuf(stderr, NULL); // Test some basics before InitGoogleLogging: CaptureTestStderr(); const string early_stderr = GetCapturedTestStderr(); EXPECT_FALSE(IsGoogleLoggingInitialized()); InitGoogleLogging(argv[0]); EXPECT_TRUE(IsGoogleLoggingInitialized()); InitGoogleTest(&argc, argv); #ifdef HAVE_LIB_GMOCK InitGoogleMock(&argc, argv); #endif // so that death tests run before we use threads CHECK_EQ(RUN_ALL_TESTS(), 0); } glog-0.6.0/src/cleanup_with_relative_prefix_unittest.cc000066400000000000000000000061741422266545700234610ustar00rootroot00000000000000// Copyright (c) 2021, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include #include "base/commandlineflags.h" #include "googletest.h" #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif #ifdef HAVE_LIB_GMOCK #include #include "mock-log.h" // Introduce several symbols from gmock. using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog; using testing::_; using testing::AllOf; using testing::AnyNumber; using testing::HasSubstr; using testing::InitGoogleMock; using testing::StrictMock; using testing::StrNe; #endif using namespace GOOGLE_NAMESPACE; TEST(CleanImmediatelyWithRelativePrefix, logging) { google::EnableLogCleaner(0); google::SetLogFilenameExtension(".relativefoo"); google::SetLogDestination(GLOG_INFO, "test_subdir/test_cleanup_"); for (unsigned i = 0; i < 1000; ++i) { LOG(INFO) << "cleanup test"; } google::DisableLogCleaner(); } int main(int argc, char **argv) { FLAGS_colorlogtostderr = false; FLAGS_timestamp_in_logfile_name = true; #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif // Make sure stderr is not buffered as stderr seems to be buffered // on recent windows. setbuf(stderr, NULL); // Test some basics before InitGoogleLogging: CaptureTestStderr(); const string early_stderr = GetCapturedTestStderr(); EXPECT_FALSE(IsGoogleLoggingInitialized()); InitGoogleLogging(argv[0]); EXPECT_TRUE(IsGoogleLoggingInitialized()); InitGoogleTest(&argc, argv); #ifdef HAVE_LIB_GMOCK InitGoogleMock(&argc, argv); #endif // so that death tests run before we use threads CHECK_EQ(RUN_ALL_TESTS(), 0); } glog-0.6.0/src/config.h.cmake.in000066400000000000000000000150611422266545700163560ustar00rootroot00000000000000#ifndef GLOG_CONFIG_H #define GLOG_CONFIG_H /* define if glog doesn't use RTTI */ #cmakedefine DISABLE_RTTI /* Namespace for Google classes */ #cmakedefine GOOGLE_NAMESPACE ${GOOGLE_NAMESPACE} /* Define if you have the `dladdr' function */ #cmakedefine HAVE_DLADDR /* Define if you have the `snprintf' function */ #cmakedefine HAVE_SNPRINTF /* Define to 1 if you have the header file. */ #cmakedefine HAVE_DLFCN_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_EXECINFO_H /* Define if you have the `fcntl' function */ #cmakedefine HAVE_FCNTL /* Define to 1 if you have the header file. */ #cmakedefine HAVE_GLOB_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_INTTYPES_H ${HAVE_INTTYPES_H} /* Define to 1 if you have the `pthread' library (-lpthread). */ #cmakedefine HAVE_LIBPTHREAD /* define if you have google gflags library */ #cmakedefine HAVE_LIB_GFLAGS /* define if you have google gmock library */ #cmakedefine HAVE_LIB_GMOCK /* define if you have google gtest library */ #cmakedefine HAVE_LIB_GTEST /* define if you have dbghelp library */ #cmakedefine HAVE_DBGHELP /* define if you have libunwind */ #cmakedefine HAVE_LIB_UNWIND /* Define to 1 if you have the header file. */ #cmakedefine HAVE_MEMORY_H /* define to disable multithreading support. */ #cmakedefine NO_THREADS /* define if the compiler implements namespaces */ #cmakedefine HAVE_NAMESPACES /* Define if you have the 'pread' function */ #cmakedefine HAVE_PREAD /* Define if you have POSIX threads libraries and header files. */ #cmakedefine HAVE_PTHREAD /* Define to 1 if you have the header file. */ #cmakedefine HAVE_PWD_H /* Define if you have the 'pwrite' function */ #cmakedefine HAVE_PWRITE /* define if the compiler implements pthread_rwlock_* */ #cmakedefine HAVE_RWLOCK /* Define if you have the 'sigaction' function */ #cmakedefine HAVE_SIGACTION /* Define if you have the `sigaltstack' function */ #cmakedefine HAVE_SIGALTSTACK /* Define to 1 if you have the header file. */ #cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H} /* Define to 1 if you have the header file. */ #cmakedefine HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYSCALL_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYSLOG_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_SYSCALL_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_TIME_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_TYPES_H ${HAVE_SYS_TYPES_H} /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_UCONTEXT_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_UTSNAME_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_SYS_WAIT_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_UCONTEXT_H /* Define to 1 if you have the header file. */ #cmakedefine HAVE_UNISTD_H ${HAVE_UNISTD_H} /* Define if you have the header file. */ #cmakedefine HAVE_UNWIND_H /* Define if you linking to _Unwind_Backtrace is possible. */ #cmakedefine HAVE__UNWIND_BACKTRACE /* define if the compiler supports using expression for operator */ #cmakedefine HAVE_USING_OPERATOR /* define if your compiler has __attribute__ */ #cmakedefine HAVE___ATTRIBUTE__ /* define if your compiler has __builtin_expect */ #cmakedefine HAVE___BUILTIN_EXPECT ${HAVE___BUILTIN_EXPECT} /* define if your compiler has __sync_val_compare_and_swap */ #cmakedefine HAVE___SYNC_VAL_COMPARE_AND_SWAP /* define if symbolize support is available */ #cmakedefine HAVE_SYMBOLIZE /* define if localtime_r is available in time.h */ #cmakedefine HAVE_LOCALTIME_R /* define if gmtime_r is available in time.h */ #cmakedefine HAVE_GMTIME_R /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #cmakedefine LT_OBJDIR /* Name of package */ #cmakedefine PACKAGE /* Define to the address where bug reports for this package should be sent. */ #cmakedefine PACKAGE_BUGREPORT /* Define to the full name of this package. */ #cmakedefine PACKAGE_NAME /* Define to the full name and version of this package. */ #cmakedefine PACKAGE_STRING /* Define to the one symbol short name of this package. */ #cmakedefine PACKAGE_TARNAME /* Define to the home page for this package. */ #cmakedefine PACKAGE_URL /* Define to the version of this package. */ #cmakedefine PACKAGE_VERSION /* How to access the PC from a struct ucontext */ #cmakedefine PC_FROM_UCONTEXT /* define if we should print file offsets in traces instead of symbolizing. */ #cmakedefine PRINT_UNSYMBOLIZED_STACK_TRACES /* Define to necessary symbol if this constant uses a non-standard name on your system. */ #cmakedefine PTHREAD_CREATE_JOINABLE /* The size of `void *', as computed by sizeof. */ #cmakedefine SIZEOF_VOID_P ${SIZEOF_VOID_P} /* Define to 1 if you have the ANSI C header files. */ #cmakedefine STDC_HEADERS /* the namespace where STL code like vector<> is defined */ #cmakedefine STL_NAMESPACE ${STL_NAMESPACE} /* location of source code */ #cmakedefine TEST_SRC_DIR ${TEST_SRC_DIR} /* Define to necessary thread-local storage attribute. */ #cmakedefine GLOG_THREAD_LOCAL_STORAGE ${GLOG_THREAD_LOCAL_STORAGE} /* Check whether aligned_storage and alignof present */ #cmakedefine HAVE_ALIGNED_STORAGE ${HAVE_ALIGNED_STORAGE} /* Check whether C++11 atomic is available */ #cmakedefine HAVE_CXX11_ATOMIC ${HAVE_CXX11_ATOMIC} /* Check whether C++11 chrono is available */ #cmakedefine HAVE_CXX11_CHRONO ${HAVE_CXX11_CHRONO} /* Check whether C++11 nullptr_t is available */ #cmakedefine HAVE_CXX11_NULLPTR_T ${HAVE_CXX11_NULLPTR_T} /* Version number of package */ #cmakedefine VERSION #ifdef GLOG_BAZEL_BUILD /* TODO(rodrigoq): remove this workaround once bazel#3979 is resolved: * https://github.com/bazelbuild/bazel/issues/3979 */ #define _START_GOOGLE_NAMESPACE_ namespace GOOGLE_NAMESPACE { #define _END_GOOGLE_NAMESPACE_ } #else /* Stops putting the code inside the Google namespace */ #cmakedefine _END_GOOGLE_NAMESPACE_ ${_END_GOOGLE_NAMESPACE_} /* Puts following code inside the Google namespace */ #cmakedefine _START_GOOGLE_NAMESPACE_ ${_START_GOOGLE_NAMESPACE_} #endif /* Replacement for deprecated syscall(SYS_gettid) on macOS. */ #cmakedefine HAVE_PTHREAD_THREADID_NP ${HAVE_PTHREAD_THREADID_NP} #endif // GLOG_CONFIG_H glog-0.6.0/src/demangle.cc000066400000000000000000001155431422266545700153450ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // For reference check out: // http://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling // // Note that we only have partial C++0x support yet. #include // for NULL #include "demangle.h" #include "utilities.h" #if defined(GLOG_OS_WINDOWS) #include #endif _START_GOOGLE_NAMESPACE_ #if !defined(GLOG_OS_WINDOWS) typedef struct { const char *abbrev; const char *real_name; } AbbrevPair; // List of operators from Itanium C++ ABI. static const AbbrevPair kOperatorList[] = { { "nw", "new" }, { "na", "new[]" }, { "dl", "delete" }, { "da", "delete[]" }, { "ps", "+" }, { "ng", "-" }, { "ad", "&" }, { "de", "*" }, { "co", "~" }, { "pl", "+" }, { "mi", "-" }, { "ml", "*" }, { "dv", "/" }, { "rm", "%" }, { "an", "&" }, { "or", "|" }, { "eo", "^" }, { "aS", "=" }, { "pL", "+=" }, { "mI", "-=" }, { "mL", "*=" }, { "dV", "/=" }, { "rM", "%=" }, { "aN", "&=" }, { "oR", "|=" }, { "eO", "^=" }, { "ls", "<<" }, { "rs", ">>" }, { "lS", "<<=" }, { "rS", ">>=" }, { "eq", "==" }, { "ne", "!=" }, { "lt", "<" }, { "gt", ">" }, { "le", "<=" }, { "ge", ">=" }, { "nt", "!" }, { "aa", "&&" }, { "oo", "||" }, { "pp", "++" }, { "mm", "--" }, { "cm", "," }, { "pm", "->*" }, { "pt", "->" }, { "cl", "()" }, { "ix", "[]" }, { "qu", "?" }, { "st", "sizeof" }, { "sz", "sizeof" }, { NULL, NULL }, }; // List of builtin types from Itanium C++ ABI. static const AbbrevPair kBuiltinTypeList[] = { { "v", "void" }, { "w", "wchar_t" }, { "b", "bool" }, { "c", "char" }, { "a", "signed char" }, { "h", "unsigned char" }, { "s", "short" }, { "t", "unsigned short" }, { "i", "int" }, { "j", "unsigned int" }, { "l", "long" }, { "m", "unsigned long" }, { "x", "long long" }, { "y", "unsigned long long" }, { "n", "__int128" }, { "o", "unsigned __int128" }, { "f", "float" }, { "d", "double" }, { "e", "long double" }, { "g", "__float128" }, { "z", "ellipsis" }, { NULL, NULL } }; // List of substitutions Itanium C++ ABI. static const AbbrevPair kSubstitutionList[] = { { "St", "" }, { "Sa", "allocator" }, { "Sb", "basic_string" }, // std::basic_string,std::allocator > { "Ss", "string"}, // std::basic_istream > { "Si", "istream" }, // std::basic_ostream > { "So", "ostream" }, // std::basic_iostream > { "Sd", "iostream" }, { NULL, NULL } }; // State needed for demangling. typedef struct { const char *mangled_cur; // Cursor of mangled name. char *out_cur; // Cursor of output string. const char *out_begin; // Beginning of output string. const char *out_end; // End of output string. const char *prev_name; // For constructors/destructors. int prev_name_length; // For constructors/destructors. short nest_level; // For nested names. bool append; // Append flag. bool overflowed; // True if output gets overflowed. } State; // We don't use strlen() in libc since it's not guaranteed to be async // signal safe. static size_t StrLen(const char *str) { size_t len = 0; while (*str != '\0') { ++str; ++len; } return len; } // Returns true if "str" has at least "n" characters remaining. static bool AtLeastNumCharsRemaining(const char *str, int n) { for (int i = 0; i < n; ++i) { if (str[i] == '\0') { return false; } } return true; } // Returns true if "str" has "prefix" as a prefix. static bool StrPrefix(const char *str, const char *prefix) { size_t i = 0; while (str[i] != '\0' && prefix[i] != '\0' && str[i] == prefix[i]) { ++i; } return prefix[i] == '\0'; // Consumed everything in "prefix". } static void InitState(State *state, const char *mangled, char *out, size_t out_size) { state->mangled_cur = mangled; state->out_cur = out; state->out_begin = out; state->out_end = out + out_size; state->prev_name = NULL; state->prev_name_length = -1; state->nest_level = -1; state->append = true; state->overflowed = false; } // Returns true and advances "mangled_cur" if we find "one_char_token" // at "mangled_cur" position. It is assumed that "one_char_token" does // not contain '\0'. static bool ParseOneCharToken(State *state, const char one_char_token) { if (state->mangled_cur[0] == one_char_token) { ++state->mangled_cur; return true; } return false; } // Returns true and advances "mangled_cur" if we find "two_char_token" // at "mangled_cur" position. It is assumed that "two_char_token" does // not contain '\0'. static bool ParseTwoCharToken(State *state, const char *two_char_token) { if (state->mangled_cur[0] == two_char_token[0] && state->mangled_cur[1] == two_char_token[1]) { state->mangled_cur += 2; return true; } return false; } // Returns true and advances "mangled_cur" if we find any character in // "char_class" at "mangled_cur" position. static bool ParseCharClass(State *state, const char *char_class) { const char *p = char_class; for (; *p != '\0'; ++p) { if (state->mangled_cur[0] == *p) { ++state->mangled_cur; return true; } } return false; } // This function is used for handling an optional non-terminal. static bool Optional(bool) { return true; } // This function is used for handling + syntax. typedef bool (*ParseFunc)(State *); static bool OneOrMore(ParseFunc parse_func, State *state) { if (parse_func(state)) { while (parse_func(state)) { } return true; } return false; } // This function is used for handling * syntax. The function // always returns true and must be followed by a termination token or a // terminating sequence not handled by parse_func (e.g. // ParseOneCharToken(state, 'E')). static bool ZeroOrMore(ParseFunc parse_func, State *state) { while (parse_func(state)) { } return true; } // Append "str" at "out_cur". If there is an overflow, "overflowed" // is set to true for later use. The output string is ensured to // always terminate with '\0' as long as there is no overflow. static void Append(State *state, const char * const str, const int length) { int i; for (i = 0; i < length; ++i) { if (state->out_cur + 1 < state->out_end) { // +1 for '\0' *state->out_cur = str[i]; ++state->out_cur; } else { state->overflowed = true; break; } } if (!state->overflowed) { *state->out_cur = '\0'; // Terminate it with '\0' } } // We don't use equivalents in libc to avoid locale issues. static bool IsLower(char c) { return c >= 'a' && c <= 'z'; } static bool IsAlpha(char c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } static bool IsDigit(char c) { return c >= '0' && c <= '9'; } // Returns true if "str" is a function clone suffix. These suffixes are used // by GCC 4.5.x and later versions to indicate functions which have been // cloned during optimization. We treat any sequence (.+.+)+ as // a function clone suffix. static bool IsFunctionCloneSuffix(const char *str) { size_t i = 0; while (str[i] != '\0') { // Consume a single .+.+ sequence. if (str[i] != '.' || !IsAlpha(str[i + 1])) { return false; } i += 2; while (IsAlpha(str[i])) { ++i; } if (str[i] != '.' || !IsDigit(str[i + 1])) { return false; } i += 2; while (IsDigit(str[i])) { ++i; } } return true; // Consumed everything in "str". } // Append "str" with some tweaks, iff "append" state is true. // Returns true so that it can be placed in "if" conditions. static void MaybeAppendWithLength(State *state, const char * const str, const int length) { if (state->append && length > 0) { // Append a space if the output buffer ends with '<' and "str" // starts with '<' to avoid <<<. if (str[0] == '<' && state->out_begin < state->out_cur && state->out_cur[-1] == '<') { Append(state, " ", 1); } // Remember the last identifier name for ctors/dtors. if (IsAlpha(str[0]) || str[0] == '_') { state->prev_name = state->out_cur; state->prev_name_length = length; } Append(state, str, length); } } // A convenient wrapper arount MaybeAppendWithLength(). static bool MaybeAppend(State *state, const char * const str) { if (state->append) { int length = StrLen(str); MaybeAppendWithLength(state, str, length); } return true; } // This function is used for handling nested names. static bool EnterNestedName(State *state) { state->nest_level = 0; return true; } // This function is used for handling nested names. static bool LeaveNestedName(State *state, short prev_value) { state->nest_level = prev_value; return true; } // Disable the append mode not to print function parameters, etc. static bool DisableAppend(State *state) { state->append = false; return true; } // Restore the append mode to the previous state. static bool RestoreAppend(State *state, bool prev_value) { state->append = prev_value; return true; } // Increase the nest level for nested names. static void MaybeIncreaseNestLevel(State *state) { if (state->nest_level > -1) { ++state->nest_level; } } // Appends :: for nested names if necessary. static void MaybeAppendSeparator(State *state) { if (state->nest_level >= 1) { MaybeAppend(state, "::"); } } // Cancel the last separator if necessary. static void MaybeCancelLastSeparator(State *state) { if (state->nest_level >= 1 && state->append && state->out_begin <= state->out_cur - 2) { state->out_cur -= 2; *state->out_cur = '\0'; } } // Returns true if the identifier of the given length pointed to by // "mangled_cur" is anonymous namespace. static bool IdentifierIsAnonymousNamespace(State *state, int length) { static const char anon_prefix[] = "_GLOBAL__N_"; return (length > static_cast(sizeof(anon_prefix)) - 1 && // Should be longer. StrPrefix(state->mangled_cur, anon_prefix)); } // Forward declarations of our parsing functions. static bool ParseMangledName(State *state); static bool ParseEncoding(State *state); static bool ParseName(State *state); static bool ParseUnscopedName(State *state); static bool ParseUnscopedTemplateName(State *state); static bool ParseNestedName(State *state); static bool ParsePrefix(State *state); static bool ParseUnqualifiedName(State *state); static bool ParseSourceName(State *state); static bool ParseLocalSourceName(State *state); static bool ParseNumber(State *state, int *number_out); static bool ParseFloatNumber(State *state); static bool ParseSeqId(State *state); static bool ParseIdentifier(State *state, int length); static bool ParseAbiTags(State *state); static bool ParseAbiTag(State *state); static bool ParseOperatorName(State *state); static bool ParseSpecialName(State *state); static bool ParseCallOffset(State *state); static bool ParseNVOffset(State *state); static bool ParseVOffset(State *state); static bool ParseCtorDtorName(State *state); static bool ParseType(State *state); static bool ParseCVQualifiers(State *state); static bool ParseBuiltinType(State *state); static bool ParseFunctionType(State *state); static bool ParseBareFunctionType(State *state); static bool ParseClassEnumType(State *state); static bool ParseArrayType(State *state); static bool ParsePointerToMemberType(State *state); static bool ParseTemplateParam(State *state); static bool ParseTemplateTemplateParam(State *state); static bool ParseTemplateArgs(State *state); static bool ParseTemplateArg(State *state); static bool ParseExpression(State *state); static bool ParseExprPrimary(State *state); static bool ParseLocalName(State *state); static bool ParseDiscriminator(State *state); static bool ParseSubstitution(State *state); // Implementation note: the following code is a straightforward // translation of the Itanium C++ ABI defined in BNF with a couple of // exceptions. // // - Support GNU extensions not defined in the Itanium C++ ABI // - and are combined to avoid infinite loop // - Reorder patterns to shorten the code // - Reorder patterns to give greedier functions precedence // We'll mark "Less greedy than" for these cases in the code // // Each parsing function changes the state and returns true on // success. Otherwise, don't change the state and returns false. To // ensure that the state isn't changed in the latter case, we save the // original state before we call more than one parsing functions // consecutively with &&, and restore the state if unsuccessful. See // ParseEncoding() as an example of this convention. We follow the // convention throughout the code. // // Originally we tried to do demangling without following the full ABI // syntax but it turned out we needed to follow the full syntax to // parse complicated cases like nested template arguments. Note that // implementing a full-fledged demangler isn't trivial (libiberty's // cp-demangle.c has +4300 lines). // // Note that (foo) in <(foo) ...> is a modifier to be ignored. // // Reference: // - Itanium C++ ABI // // ::= _Z static bool ParseMangledName(State *state) { return ParseTwoCharToken(state, "_Z") && ParseEncoding(state); } // ::= <(function) name> // ::= <(data) name> // ::= static bool ParseEncoding(State *state) { State copy = *state; if (ParseName(state) && ParseBareFunctionType(state)) { return true; } *state = copy; if (ParseName(state) || ParseSpecialName(state)) { return true; } return false; } // ::= // ::= // ::= // ::= static bool ParseName(State *state) { if (ParseNestedName(state) || ParseLocalName(state)) { return true; } State copy = *state; if (ParseUnscopedTemplateName(state) && ParseTemplateArgs(state)) { return true; } *state = copy; // Less greedy than . if (ParseUnscopedName(state)) { return true; } return false; } // ::= // ::= St static bool ParseUnscopedName(State *state) { if (ParseUnqualifiedName(state)) { return true; } State copy = *state; if (ParseTwoCharToken(state, "St") && MaybeAppend(state, "std::") && ParseUnqualifiedName(state)) { return true; } *state = copy; return false; } // ::= // ::= static bool ParseUnscopedTemplateName(State *state) { return ParseUnscopedName(state) || ParseSubstitution(state); } // ::= N [] E // ::= N [] E static bool ParseNestedName(State *state) { State copy = *state; if (ParseOneCharToken(state, 'N') && EnterNestedName(state) && Optional(ParseCVQualifiers(state)) && ParsePrefix(state) && LeaveNestedName(state, copy.nest_level) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; return false; } // This part is tricky. If we literally translate them to code, we'll // end up infinite loop. Hence we merge them to avoid the case. // // ::= // ::= // ::= // ::= // ::= # empty // ::= <(template) unqualified-name> // ::= // ::= static bool ParsePrefix(State *state) { bool has_something = false; while (true) { MaybeAppendSeparator(state); if (ParseTemplateParam(state) || ParseSubstitution(state) || ParseUnscopedName(state)) { has_something = true; MaybeIncreaseNestLevel(state); continue; } MaybeCancelLastSeparator(state); if (has_something && ParseTemplateArgs(state)) { return ParsePrefix(state); } else { break; } } return true; } // ::= // ::= // ::= [] // ::= [] static bool ParseUnqualifiedName(State *state) { return (ParseOperatorName(state) || ParseCtorDtorName(state) || (ParseSourceName(state) && Optional(ParseAbiTags(state))) || (ParseLocalSourceName(state) && Optional(ParseAbiTags(state)))); } // ::= static bool ParseSourceName(State *state) { State copy = *state; int length = -1; if (ParseNumber(state, &length) && ParseIdentifier(state, length)) { return true; } *state = copy; return false; } // ::= L [] // // References: // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31775 // http://gcc.gnu.org/viewcvs?view=rev&revision=124467 static bool ParseLocalSourceName(State *state) { State copy = *state; if (ParseOneCharToken(state, 'L') && ParseSourceName(state) && Optional(ParseDiscriminator(state))) { return true; } *state = copy; return false; } // ::= [n] // If "number_out" is non-null, then *number_out is set to the value of the // parsed number on success. static bool ParseNumber(State *state, int *number_out) { int sign = 1; if (ParseOneCharToken(state, 'n')) { sign = -1; } const char *p = state->mangled_cur; int number = 0; for (;*p != '\0'; ++p) { if (IsDigit(*p)) { number = number * 10 + (*p - '0'); } else { break; } } if (p != state->mangled_cur) { // Conversion succeeded. state->mangled_cur = p; if (number_out != NULL) { *number_out = number * sign; } return true; } return false; } // Floating-point literals are encoded using a fixed-length lowercase // hexadecimal string. static bool ParseFloatNumber(State *state) { const char *p = state->mangled_cur; for (;*p != '\0'; ++p) { if (!IsDigit(*p) && !(*p >= 'a' && *p <= 'f')) { break; } } if (p != state->mangled_cur) { // Conversion succeeded. state->mangled_cur = p; return true; } return false; } // The is a sequence number in base 36, // using digits and upper case letters static bool ParseSeqId(State *state) { const char *p = state->mangled_cur; for (;*p != '\0'; ++p) { if (!IsDigit(*p) && !(*p >= 'A' && *p <= 'Z')) { break; } } if (p != state->mangled_cur) { // Conversion succeeded. state->mangled_cur = p; return true; } return false; } // ::= (of given length) static bool ParseIdentifier(State *state, int length) { if (length == -1 || !AtLeastNumCharsRemaining(state->mangled_cur, length)) { return false; } if (IdentifierIsAnonymousNamespace(state, length)) { MaybeAppend(state, "(anonymous namespace)"); } else { MaybeAppendWithLength(state, state->mangled_cur, length); } state->mangled_cur += length; return true; } // ::= [] static bool ParseAbiTags(State *state) { State copy = *state; DisableAppend(state); if (OneOrMore(ParseAbiTag, state)) { RestoreAppend(state, copy.append); return true; } *state = copy; return false; } // ::= B static bool ParseAbiTag(State *state) { return ParseOneCharToken(state, 'B') && ParseSourceName(state); } // ::= nw, and other two letters cases // ::= cv # (cast) // ::= v # vendor extended operator static bool ParseOperatorName(State *state) { if (!AtLeastNumCharsRemaining(state->mangled_cur, 2)) { return false; } // First check with "cv" (cast) case. State copy = *state; if (ParseTwoCharToken(state, "cv") && MaybeAppend(state, "operator ") && EnterNestedName(state) && ParseType(state) && LeaveNestedName(state, copy.nest_level)) { return true; } *state = copy; // Then vendor extended operators. if (ParseOneCharToken(state, 'v') && ParseCharClass(state, "0123456789") && ParseSourceName(state)) { return true; } *state = copy; // Other operator names should start with a lower alphabet followed // by a lower/upper alphabet. if (!(IsLower(state->mangled_cur[0]) && IsAlpha(state->mangled_cur[1]))) { return false; } // We may want to perform a binary search if we really need speed. const AbbrevPair *p; for (p = kOperatorList; p->abbrev != NULL; ++p) { if (state->mangled_cur[0] == p->abbrev[0] && state->mangled_cur[1] == p->abbrev[1]) { MaybeAppend(state, "operator"); if (IsLower(*p->real_name)) { // new, delete, etc. MaybeAppend(state, " "); } MaybeAppend(state, p->real_name); state->mangled_cur += 2; return true; } } return false; } // ::= TV // ::= TT // ::= TI // ::= TS // ::= Tc <(base) encoding> // ::= GV <(object) name> // ::= T <(base) encoding> // G++ extensions: // ::= TC <(offset) number> _ <(base) type> // ::= TF // ::= TJ // ::= GR // ::= GA // ::= Th <(base) encoding> // ::= Tv <(base) encoding> // // Note: we don't care much about them since they don't appear in // stack traces. The are special data. static bool ParseSpecialName(State *state) { State copy = *state; if (ParseOneCharToken(state, 'T') && ParseCharClass(state, "VTIS") && ParseType(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "Tc") && ParseCallOffset(state) && ParseCallOffset(state) && ParseEncoding(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "GV") && ParseName(state)) { return true; } *state = copy; if (ParseOneCharToken(state, 'T') && ParseCallOffset(state) && ParseEncoding(state)) { return true; } *state = copy; // G++ extensions if (ParseTwoCharToken(state, "TC") && ParseType(state) && ParseNumber(state, NULL) && ParseOneCharToken(state, '_') && DisableAppend(state) && ParseType(state)) { RestoreAppend(state, copy.append); return true; } *state = copy; if (ParseOneCharToken(state, 'T') && ParseCharClass(state, "FJ") && ParseType(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "GR") && ParseName(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "GA") && ParseEncoding(state)) { return true; } *state = copy; if (ParseOneCharToken(state, 'T') && ParseCharClass(state, "hv") && ParseCallOffset(state) && ParseEncoding(state)) { return true; } *state = copy; return false; } // ::= h _ // ::= v _ static bool ParseCallOffset(State *state) { State copy = *state; if (ParseOneCharToken(state, 'h') && ParseNVOffset(state) && ParseOneCharToken(state, '_')) { return true; } *state = copy; if (ParseOneCharToken(state, 'v') && ParseVOffset(state) && ParseOneCharToken(state, '_')) { return true; } *state = copy; return false; } // ::= <(offset) number> static bool ParseNVOffset(State *state) { return ParseNumber(state, NULL); } // ::= <(offset) number> _ <(virtual offset) number> static bool ParseVOffset(State *state) { State copy = *state; if (ParseNumber(state, NULL) && ParseOneCharToken(state, '_') && ParseNumber(state, NULL)) { return true; } *state = copy; return false; } // ::= C1 | C2 | C3 // ::= D0 | D1 | D2 static bool ParseCtorDtorName(State *state) { State copy = *state; if (ParseOneCharToken(state, 'C') && ParseCharClass(state, "123")) { const char * const prev_name = state->prev_name; const int prev_name_length = state->prev_name_length; MaybeAppendWithLength(state, prev_name, prev_name_length); return true; } *state = copy; if (ParseOneCharToken(state, 'D') && ParseCharClass(state, "012")) { const char * const prev_name = state->prev_name; const int prev_name_length = state->prev_name_length; MaybeAppend(state, "~"); MaybeAppendWithLength(state, prev_name, prev_name_length); return true; } *state = copy; return false; } // ::= // ::= P # pointer-to // ::= R # reference-to // ::= O # rvalue reference-to (C++0x) // ::= C # complex pair (C 2000) // ::= G # imaginary (C 2000) // ::= U # vendor extended type qualifier // ::= // ::= // ::= // ::= // ::= // ::= // ::= // ::= // ::= Dp # pack expansion of (C++0x) // ::= Dt E # decltype of an id-expression or class // # member access (C++0x) // ::= DT E # decltype of an expression (C++0x) // static bool ParseType(State *state) { // We should check CV-qualifers, and PRGC things first. State copy = *state; if (ParseCVQualifiers(state) && ParseType(state)) { return true; } *state = copy; if (ParseCharClass(state, "OPRCG") && ParseType(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "Dp") && ParseType(state)) { return true; } *state = copy; if (ParseOneCharToken(state, 'D') && ParseCharClass(state, "tT") && ParseExpression(state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; if (ParseOneCharToken(state, 'U') && ParseSourceName(state) && ParseType(state)) { return true; } *state = copy; if (ParseBuiltinType(state) || ParseFunctionType(state) || ParseClassEnumType(state) || ParseArrayType(state) || ParsePointerToMemberType(state) || ParseSubstitution(state)) { return true; } if (ParseTemplateTemplateParam(state) && ParseTemplateArgs(state)) { return true; } *state = copy; // Less greedy than . if (ParseTemplateParam(state)) { return true; } return false; } // ::= [r] [V] [K] // We don't allow empty to avoid infinite loop in // ParseType(). static bool ParseCVQualifiers(State *state) { int num_cv_qualifiers = 0; num_cv_qualifiers += ParseOneCharToken(state, 'r'); num_cv_qualifiers += ParseOneCharToken(state, 'V'); num_cv_qualifiers += ParseOneCharToken(state, 'K'); return num_cv_qualifiers > 0; } // ::= v, etc. // ::= u static bool ParseBuiltinType(State *state) { const AbbrevPair *p; for (p = kBuiltinTypeList; p->abbrev != NULL; ++p) { if (state->mangled_cur[0] == p->abbrev[0]) { MaybeAppend(state, p->real_name); ++state->mangled_cur; return true; } } State copy = *state; if (ParseOneCharToken(state, 'u') && ParseSourceName(state)) { return true; } *state = copy; return false; } // ::= F [Y] E static bool ParseFunctionType(State *state) { State copy = *state; if (ParseOneCharToken(state, 'F') && Optional(ParseOneCharToken(state, 'Y')) && ParseBareFunctionType(state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; return false; } // ::= <(signature) type>+ static bool ParseBareFunctionType(State *state) { State copy = *state; DisableAppend(state); if (OneOrMore(ParseType, state)) { RestoreAppend(state, copy.append); MaybeAppend(state, "()"); return true; } *state = copy; return false; } // ::= static bool ParseClassEnumType(State *state) { return ParseName(state); } // ::= A <(positive dimension) number> _ <(element) type> // ::= A [<(dimension) expression>] _ <(element) type> static bool ParseArrayType(State *state) { State copy = *state; if (ParseOneCharToken(state, 'A') && ParseNumber(state, NULL) && ParseOneCharToken(state, '_') && ParseType(state)) { return true; } *state = copy; if (ParseOneCharToken(state, 'A') && Optional(ParseExpression(state)) && ParseOneCharToken(state, '_') && ParseType(state)) { return true; } *state = copy; return false; } // ::= M <(class) type> <(member) type> static bool ParsePointerToMemberType(State *state) { State copy = *state; if (ParseOneCharToken(state, 'M') && ParseType(state) && ParseType(state)) { return true; } *state = copy; return false; } // ::= T_ // ::= T _ static bool ParseTemplateParam(State *state) { if (ParseTwoCharToken(state, "T_")) { MaybeAppend(state, "?"); // We don't support template substitutions. return true; } State copy = *state; if (ParseOneCharToken(state, 'T') && ParseNumber(state, NULL) && ParseOneCharToken(state, '_')) { MaybeAppend(state, "?"); // We don't support template substitutions. return true; } *state = copy; return false; } // ::= // ::= static bool ParseTemplateTemplateParam(State *state) { return (ParseTemplateParam(state) || ParseSubstitution(state)); } // ::= I + E static bool ParseTemplateArgs(State *state) { State copy = *state; DisableAppend(state); if (ParseOneCharToken(state, 'I') && OneOrMore(ParseTemplateArg, state) && ParseOneCharToken(state, 'E')) { RestoreAppend(state, copy.append); MaybeAppend(state, "<>"); return true; } *state = copy; return false; } // ::= // ::= // ::= I * E # argument pack // ::= J * E # argument pack // ::= X E static bool ParseTemplateArg(State *state) { State copy = *state; if ((ParseOneCharToken(state, 'I') || ParseOneCharToken(state, 'J')) && ZeroOrMore(ParseTemplateArg, state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; if (ParseType(state) || ParseExprPrimary(state)) { return true; } *state = copy; if (ParseOneCharToken(state, 'X') && ParseExpression(state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; return false; } // ::= // ::= // ::= // ::= // ::= // // ::= st // ::= sr // ::= sr static bool ParseExpression(State *state) { if (ParseTemplateParam(state) || ParseExprPrimary(state)) { return true; } State copy = *state; if (ParseOperatorName(state) && ParseExpression(state) && ParseExpression(state) && ParseExpression(state)) { return true; } *state = copy; if (ParseOperatorName(state) && ParseExpression(state) && ParseExpression(state)) { return true; } *state = copy; if (ParseOperatorName(state) && ParseExpression(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "st") && ParseType(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "sr") && ParseType(state) && ParseUnqualifiedName(state) && ParseTemplateArgs(state)) { return true; } *state = copy; if (ParseTwoCharToken(state, "sr") && ParseType(state) && ParseUnqualifiedName(state)) { return true; } *state = copy; return false; } // ::= L <(value) number> E // ::= L <(value) float> E // ::= L E // // A bug in g++'s C++ ABI version 2 (-fabi-version=2). // ::= LZ E static bool ParseExprPrimary(State *state) { State copy = *state; if (ParseOneCharToken(state, 'L') && ParseType(state) && ParseNumber(state, NULL) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; if (ParseOneCharToken(state, 'L') && ParseType(state) && ParseFloatNumber(state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; if (ParseOneCharToken(state, 'L') && ParseMangledName(state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; if (ParseTwoCharToken(state, "LZ") && ParseEncoding(state) && ParseOneCharToken(state, 'E')) { return true; } *state = copy; return false; } // := Z <(function) encoding> E <(entity) name> // [] // := Z <(function) encoding> E s [] static bool ParseLocalName(State *state) { State copy = *state; if (ParseOneCharToken(state, 'Z') && ParseEncoding(state) && ParseOneCharToken(state, 'E') && MaybeAppend(state, "::") && ParseName(state) && Optional(ParseDiscriminator(state))) { return true; } *state = copy; if (ParseOneCharToken(state, 'Z') && ParseEncoding(state) && ParseTwoCharToken(state, "Es") && Optional(ParseDiscriminator(state))) { return true; } *state = copy; return false; } // := _ <(non-negative) number> static bool ParseDiscriminator(State *state) { State copy = *state; if (ParseOneCharToken(state, '_') && ParseNumber(state, NULL)) { return true; } *state = copy; return false; } // ::= S_ // ::= S _ // ::= St, etc. static bool ParseSubstitution(State *state) { if (ParseTwoCharToken(state, "S_")) { MaybeAppend(state, "?"); // We don't support substitutions. return true; } State copy = *state; if (ParseOneCharToken(state, 'S') && ParseSeqId(state) && ParseOneCharToken(state, '_')) { MaybeAppend(state, "?"); // We don't support substitutions. return true; } *state = copy; // Expand abbreviations like "St" => "std". if (ParseOneCharToken(state, 'S')) { const AbbrevPair *p; for (p = kSubstitutionList; p->abbrev != NULL; ++p) { if (state->mangled_cur[0] == p->abbrev[1]) { MaybeAppend(state, "std"); if (p->real_name[0] != '\0') { MaybeAppend(state, "::"); MaybeAppend(state, p->real_name); } ++state->mangled_cur; return true; } } } *state = copy; return false; } // Parse , optionally followed by either a function-clone suffix // or version suffix. Returns true only if all of "mangled_cur" was consumed. static bool ParseTopLevelMangledName(State *state) { if (ParseMangledName(state)) { if (state->mangled_cur[0] != '\0') { // Drop trailing function clone suffix, if any. if (IsFunctionCloneSuffix(state->mangled_cur)) { return true; } // Append trailing version suffix if any. // ex. _Z3foo@@GLIBCXX_3.4 if (state->mangled_cur[0] == '@') { MaybeAppend(state, state->mangled_cur); return true; } return false; // Unconsumed suffix. } return true; } return false; } #endif // The demangler entry point. bool Demangle(const char *mangled, char *out, size_t out_size) { #if defined(GLOG_OS_WINDOWS) #if defined(HAVE_DBGHELP) // When built with incremental linking, the Windows debugger // library provides a more complicated `Symbol->Name` with the // Incremental Linking Table offset, which looks like // `@ILT+1105(?func@Foo@@SAXH@Z)`. However, the demangler expects // only the mangled symbol, `?func@Foo@@SAXH@Z`. Fortunately, the // mangled symbol is guaranteed not to have parentheses, // so we search for `(` and extract up to `)`. // // Since we may be in a signal handler here, we cannot use `std::string`. char buffer[1024]; // Big enough for a sane symbol. const char *lparen = strchr(mangled, '('); if (lparen) { // Extract the string `(?...)` const char *rparen = strchr(lparen, ')'); size_t length = static_cast(rparen - lparen) - 1; strncpy(buffer, lparen + 1, length); buffer[length] = '\0'; mangled = buffer; } // Else the symbol wasn't inside a set of parentheses // We use the ANSI version to ensure the string type is always `char *`. return UnDecorateSymbolName(mangled, out, out_size, UNDNAME_COMPLETE); #else (void)mangled; (void)out; (void)out_size; return false; #endif #else State state; InitState(&state, mangled, out, out_size); return ParseTopLevelMangledName(&state) && !state.overflowed; #endif } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/demangle.h000066400000000000000000000070331422266545700152010ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // An async-signal-safe and thread-safe demangler for Itanium C++ ABI // (aka G++ V3 ABI). // The demangler is implemented to be used in async signal handlers to // symbolize stack traces. We cannot use libstdc++'s // abi::__cxa_demangle() in such signal handlers since it's not async // signal safe (it uses malloc() internally). // // Note that this demangler doesn't support full demangling. More // specifically, it doesn't print types of function parameters and // types of template arguments. It just skips them. However, it's // still very useful to extract basic information such as class, // function, constructor, destructor, and operator names. // // See the implementation note in demangle.cc if you are interested. // // Example: // // | Mangled Name | The Demangler | abi::__cxa_demangle() // |---------------|---------------|----------------------- // | _Z1fv | f() | f() // | _Z1fi | f() | f(int) // | _Z3foo3bar | foo() | foo(bar) // | _Z1fIiEvi | f<>() | void f(int) // | _ZN1N1fE | N::f | N::f // | _ZN3Foo3BarEv | Foo::Bar() | Foo::Bar() // | _Zrm1XS_" | operator%() | operator%(X, X) // | _ZN3FooC1Ev | Foo::Foo() | Foo::Foo() // | _Z1fSs | f() | f(std::basic_string, // | | | std::allocator >) // // See the unit test for more examples. // // Note: we might want to write demanglers for ABIs other than Itanium // C++ ABI in the future. // #ifndef BASE_DEMANGLE_H_ #define BASE_DEMANGLE_H_ #include "config.h" #include _START_GOOGLE_NAMESPACE_ // Demangle "mangled". On success, return true and write the // demangled symbol name to "out". Otherwise, return false. // "out" is modified even if demangling is unsuccessful. bool GLOG_EXPORT Demangle(const char *mangled, char *out, size_t out_size); _END_GOOGLE_NAMESPACE_ #endif // BASE_DEMANGLE_H_ glog-0.6.0/src/demangle_unittest.cc000066400000000000000000000134751422266545700173050ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // Unit tests for functions in demangle.c. #include "utilities.h" #include #include #include #include #include "demangle.h" #include "googletest.h" #include "config.h" #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif GLOG_DEFINE_bool(demangle_filter, false, "Run demangle_unittest in filter mode"); using namespace std; using namespace GOOGLE_NAMESPACE; // A wrapper function for Demangle() to make the unit test simple. static const char *DemangleIt(const char * const mangled) { static char demangled[4096]; if (Demangle(mangled, demangled, sizeof(demangled))) { return demangled; } else { return mangled; } } #if defined(GLOG_OS_WINDOWS) #if defined(HAVE_DBGHELP) && !defined(NDEBUG) TEST(Demangle, Windows) { EXPECT_STREQ( "public: static void __cdecl Foo::func(int)", DemangleIt("?func@Foo@@SAXH@Z")); EXPECT_STREQ( "public: static void __cdecl Foo::func(int)", DemangleIt("@ILT+1105(?func@Foo@@SAXH@Z)")); EXPECT_STREQ( "int __cdecl foobarArray(int * const)", DemangleIt("?foobarArray@@YAHQAH@Z")); } #endif #else // Test corner cases of bounary conditions. TEST(Demangle, CornerCases) { const size_t size = 10; char tmp[size] = { 0 }; const char *demangled = "foobar()"; const char *mangled = "_Z6foobarv"; EXPECT_TRUE(Demangle(mangled, tmp, sizeof(tmp))); // sizeof("foobar()") == size - 1 EXPECT_STREQ(demangled, tmp); EXPECT_TRUE(Demangle(mangled, tmp, size - 1)); EXPECT_STREQ(demangled, tmp); EXPECT_FALSE(Demangle(mangled, tmp, size - 2)); // Not enough. EXPECT_FALSE(Demangle(mangled, tmp, 1)); EXPECT_FALSE(Demangle(mangled, tmp, 0)); EXPECT_FALSE(Demangle(mangled, NULL, 0)); // Should not cause SEGV. } // Test handling of functions suffixed with .clone.N, which is used by GCC // 4.5.x, and .constprop.N and .isra.N, which are used by GCC 4.6.x. These // suffixes are used to indicate functions which have been cloned during // optimization. We ignore these suffixes. TEST(Demangle, Clones) { char tmp[20]; EXPECT_TRUE(Demangle("_ZL3Foov", tmp, sizeof(tmp))); EXPECT_STREQ("Foo()", tmp); EXPECT_TRUE(Demangle("_ZL3Foov.clone.3", tmp, sizeof(tmp))); EXPECT_STREQ("Foo()", tmp); EXPECT_TRUE(Demangle("_ZL3Foov.constprop.80", tmp, sizeof(tmp))); EXPECT_STREQ("Foo()", tmp); EXPECT_TRUE(Demangle("_ZL3Foov.isra.18", tmp, sizeof(tmp))); EXPECT_STREQ("Foo()", tmp); EXPECT_TRUE(Demangle("_ZL3Foov.isra.2.constprop.18", tmp, sizeof(tmp))); EXPECT_STREQ("Foo()", tmp); // Invalid (truncated), should not demangle. EXPECT_FALSE(Demangle("_ZL3Foov.clo", tmp, sizeof(tmp))); // Invalid (.clone. not followed by number), should not demangle. EXPECT_FALSE(Demangle("_ZL3Foov.clone.", tmp, sizeof(tmp))); // Invalid (.clone. followed by non-number), should not demangle. EXPECT_FALSE(Demangle("_ZL3Foov.clone.foo", tmp, sizeof(tmp))); // Invalid (.constprop. not followed by number), should not demangle. EXPECT_FALSE(Demangle("_ZL3Foov.isra.2.constprop.", tmp, sizeof(tmp))); } TEST(Demangle, FromFile) { string test_file = FLAGS_test_srcdir + "/src/demangle_unittest.txt"; ifstream f(test_file.c_str()); // The file should exist. EXPECT_FALSE(f.fail()); string line; while (getline(f, line)) { // Lines start with '#' are considered as comments. if (line.empty() || line[0] == '#') { continue; } // Each line should contain a mangled name and a demangled name // separated by '\t'. Example: "_Z3foo\tfoo" string::size_type tab_pos = line.find('\t'); EXPECT_NE(string::npos, tab_pos); string mangled = line.substr(0, tab_pos); string demangled = line.substr(tab_pos + 1); EXPECT_EQ(demangled, DemangleIt(mangled.c_str())); } } #endif int main(int argc, char **argv) { #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif InitGoogleTest(&argc, argv); FLAGS_logtostderr = true; InitGoogleLogging(argv[0]); if (FLAGS_demangle_filter) { // Read from cin and write to cout. string line; while (getline(cin, line, '\n')) { cout << DemangleIt(line.c_str()) << endl; } return 0; } else if (argc > 1) { cout << DemangleIt(argv[1]) << endl; return 0; } else { return RUN_ALL_TESTS(); } } glog-0.6.0/src/demangle_unittest.sh000077500000000000000000000063031422266545700173250ustar00rootroot00000000000000#! /bin/sh # # Copyright (c) 2006, Google Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Author: Satoru Takabayashi # # Unit tests for demangle.c with a real binary. set -e die () { echo $1 exit 1 } BINDIR=".libs" LIBGLOG="$BINDIR/libglog.so" DEMANGLER="$BINDIR/demangle_unittest" if test -e "$DEMANGLER"; then # We need shared object. export LD_LIBRARY_PATH=$BINDIR export DYLD_LIBRARY_PATH=$BINDIR else # For windows DEMANGLER="./demangle_unittest.exe" if ! test -e "$DEMANGLER"; then echo "We coundn't find demangle_unittest binary." exit 1 fi fi # Extract C++ mangled symbols from libbase.so. NM_OUTPUT="demangle.nm" nm "$LIBGLOG" | perl -nle 'print $1 if /\s(_Z\S+$)/' > "$NM_OUTPUT" # Check if mangled symbols exist. If there are none, we quit. # The binary is more likely compiled with GCC 2.95 or something old. if ! grep --quiet '^_Z' "$NM_OUTPUT"; then echo "PASS" exit 0 fi # Demangle the symbols using our demangler. DM_OUTPUT="demangle.dm" GLOG_demangle_filter=1 "$DEMANGLER" --demangle_filter < "$NM_OUTPUT" > "$DM_OUTPUT" # Calculate the numbers of lines. NM_LINES=`wc -l "$NM_OUTPUT" | awk '{ print $1 }'` DM_LINES=`wc -l "$DM_OUTPUT" | awk '{ print $1 }'` # Compare the numbers of lines. They must be the same. if test "$NM_LINES" != "$DM_LINES"; then die "$NM_OUTPUT and $DM_OUTPUT don't have the same numbers of lines" fi # Check if mangled symbols exist. They must not exist. if grep --quiet '^_Z' "$DM_OUTPUT"; then MANGLED=`grep '^_Z' "$DM_OUTPUT" | wc -l | awk '{ print \$1 }'` echo "Mangled symbols ($MANGLED out of $NM_LINES) found in $DM_OUTPUT:" grep '^_Z' "$DM_OUTPUT" die "Mangled symbols ($MANGLED out of $NM_LINES) found in $DM_OUTPUT" fi # All C++ symbols are demangled successfully. echo "PASS" exit 0 glog-0.6.0/src/demangle_unittest.txt000066400000000000000000000120251422266545700175250ustar00rootroot00000000000000# Test caces for demangle_unittest. Each line consists of a # tab-separated pair of mangled and demangled symbol names. # Constructors and destructors. _ZN3FooC1Ev Foo::Foo() _ZN3FooD1Ev Foo::~Foo() _ZNSoD0Ev std::ostream::~ostream() # G++ extensions. _ZTCN10LogMessage9LogStreamE0_So LogMessage::LogStream _ZTv0_n12_N10LogMessage9LogStreamD0Ev LogMessage::LogStream::~LogStream() _ZThn4_N7icu_3_410UnicodeSetD0Ev icu_3_4::UnicodeSet::~UnicodeSet() # A bug in g++'s C++ ABI version 2 (-fabi-version=2). _ZN7NSSInfoI5groupjjXadL_Z10getgrgid_rEELZ19nss_getgrgid_r_nameEEC1Ei NSSInfo<>::NSSInfo() # C linkage symbol names. Should keep them untouched. main main Demangle Demangle _ZERO _ZERO # Cast operator. _Zcviv operator int() _ZN3foocviEv foo::operator int() # Versioned symbols. _Z3Foo@GLIBCXX_3.4 Foo@GLIBCXX_3.4 _Z3Foo@@GLIBCXX_3.4 Foo@@GLIBCXX_3.4 # Abbreviations. _ZNSaE std::allocator _ZNSbE std::basic_string _ZNSdE std::iostream _ZNSiE std::istream _ZNSoE std::ostream _ZNSsE std::string # Substitutions. We just replace them with ?. _ZN3fooS_E foo::? _ZN3foo3barS0_E foo::bar::? _ZNcvT_IiEEv operator ?<>() # "<< <" case. _ZlsI3fooE operator<< <> # ABI tags. _Z1AB3barB3foo A _ZN3fooL3barB5cxx11E foo::bar # Random things we found interesting. _ZN3FooISt6vectorISsSaISsEEEclEv Foo<>::operator()() _ZTI9Callback1IiE Callback1<> _ZN7icu_3_47UMemorynwEj icu_3_4::UMemory::operator new() _ZNSt6vectorIbE9push_backE std::vector<>::push_back _ZNSt6vectorIbSaIbEE9push_backEb std::vector<>::push_back() _ZlsRSoRK15PRIVATE_Counter operator<<() _ZSt6fill_nIPPN9__gnu_cxx15_Hashtable_nodeISt4pairIKPKcjEEEjS8_ET_SA_T0_RKT1_ std::fill_n<>() _ZZ3FoovE3Bar Foo()::Bar _ZGVZ7UpTimervE8up_timer UpTimer()::up_timer # Test cases from gcc-4.1.0/libstdc++-v3/testsuite/demangle. # Collected by: # % grep verify_demangle **/*.cc | perl -nle 'print $1 if /"(_Z.*?)"/' | # sort | uniq # # Note that the following symbols are invalid. # That's why they are not demangled. # - _ZNZN1N1fEiE1X1gE # - _ZNZN1N1fEiE1X1gEv # - _Z1xINiEE _Z1fA37_iPS_ f() _Z1fAszL_ZZNK1N1A1fEvE3foo_0E_i f() _Z1fI1APS0_PKS0_EvT_T0_T1_PA4_S3_M1CS8_ f<>() _Z1fI1XENT_1tES2_ f<>() _Z1fI1XEvPVN1AIT_E1TE f<>() _Z1fILi1ELc120EEv1AIXplT_cviLd4028ae147ae147aeEEE f<>() _Z1fILi1ELc120EEv1AIXplT_cviLf3f800000EEE f<>() _Z1fILi5E1AEvN1CIXqugtT_Li0ELi1ELi2EEE1qE f<>() _Z1fILi5E1AEvN1CIXstN1T1tEEXszsrS2_1tEE1qE f<>() _Z1fILi5EEvN1AIXcvimlT_Li22EEE1qE f<>() _Z1fIiEvi f<>() _Z1fKPFiiE f() _Z1fM1AFivEPS0_ f() _Z1fM1AKFivE f() _Z1fM1AKFvvE f() _Z1fPFPA1_ivE f() _Z1fPFYPFiiEiE f() _Z1fPFvvEM1SFvvE f() _Z1fPKM1AFivE f() _Z1fi f() _Z1fv f() _Z1jM1AFivEPS1_ j() _Z1rM1GFivEMS_KFivES_M1HFivES1_4whatIKS_E5what2IS8_ES3_ r() _Z1sPA37_iPS0_ s() _Z1xINiEE _Z1xINiEE _Z3absILi11EEvv abs<>() _Z3foo3bar foo() _Z3foo5Hello5WorldS0_S_ foo() _Z3fooA30_A_i foo() _Z3fooIA6_KiEvA9_KT_rVPrS4_ foo<>() _Z3fooILi2EEvRAplT_Li1E_i foo<>() _Z3fooIiFvdEiEvv foo<>() _Z3fooPM2ABi foo() _Z3fooc foo() _Z3fooiPiPS_PS0_PS1_PS2_PS3_PS4_PS5_PS6_PS7_PS8_PS9_PSA_PSB_PSC_ foo() _Z3kooPA28_A30_i koo() _Z4makeI7FactoryiET_IT0_Ev make<>() _Z5firstI3DuoEvS0_ first<>() _Z5firstI3DuoEvT_ first<>() _Z9hairyfuncM1YKFPVPFrPA2_PM1XKFKPA3_ilEPcEiE hairyfunc() _ZGVN5libcw24_GLOBAL__N_cbll.cc0ZhUKa23compiler_bug_workaroundISt6vectorINS_13omanip_id_tctINS_5debug32memblk_types_manipulator_data_ctEEESaIS6_EEE3idsE libcw::(anonymous namespace)::compiler_bug_workaround<>::ids _ZN12libcw_app_ct10add_optionIS_EEvMT_FvPKcES3_cS3_S3_ libcw_app_ct::add_option<>() _ZN1AIfEcvT_IiEEv A<>::operator ?<>() _ZN1N1TIiiE2mfES0_IddE N::T<>::mf() _ZN1N1fE N::f _ZN1f1fE f::f _ZN3FooIA4_iE3barE Foo<>::bar _ZN5Arena5levelE Arena::level _ZN5StackIiiE5levelE Stack<>::level _ZN5libcw5debug13cwprint_usingINS_9_private_12GlobalObjectEEENS0_17cwprint_using_tctIT_EERKS5_MS5_KFvRSt7ostreamE libcw::debug::cwprint_using<>() _ZN6System5Sound4beepEv System::Sound::beep() _ZNKSt14priority_queueIP27timer_event_request_base_ctSt5dequeIS1_SaIS1_EE13timer_greaterE3topEv std::priority_queue<>::top() _ZNKSt15_Deque_iteratorIP15memory_block_stRKS1_PS2_EeqERKS5_ std::_Deque_iterator<>::operator==() _ZNKSt17__normal_iteratorIPK6optionSt6vectorIS0_SaIS0_EEEmiERKS6_ std::__normal_iterator<>::operator-() _ZNSbIcSt11char_traitsIcEN5libcw5debug27no_alloc_checking_allocatorEE12_S_constructIPcEES6_T_S7_RKS3_ std::basic_string<>::_S_construct<>() _ZNSt13_Alloc_traitsISbIcSt18string_char_traitsIcEN5libcw5debug9_private_17allocator_adaptorIcSt24__default_alloc_templateILb0ELi327664EELb1EEEENS5_IS9_S7_Lb1EEEE15_S_instancelessE std::_Alloc_traits<>::_S_instanceless _ZNSt3_In4wardE std::_In::ward _ZNZN1N1fEiE1X1gE _ZNZN1N1fEiE1X1gE _ZNZN1N1fEiE1X1gEv _ZNZN1N1fEiE1X1gEv _ZSt1BISt1DIP1ARKS2_PS3_ES0_IS2_RS2_PS2_ES2_ET0_T_SB_SA_PT1_ std::B<>() _ZSt5state std::state _ZTI7a_class a_class _ZZN1N1fEiE1p N::f()::p _ZZN1N1fEiEs N::f() _ZlsRK1XS1_ operator<<() _ZlsRKU3fooU4bart1XS0_ operator<<() _ZlsRKU3fooU4bart1XS2_ operator<<() _ZlsRSoRKSs operator<<() _ZngILi42EEvN1AIXplT_Li2EEE1TE operator-<>() _ZplR1XS0_ operator+() _Zrm1XS_ operator%() # Template argument packs can start with I or J. _Z3addIIiEEvDpT_ add<>() _Z3addIJiEEvDpT_ add<>() glog-0.6.0/src/glog/000077500000000000000000000000001422266545700142015ustar00rootroot00000000000000glog-0.6.0/src/glog/log_severity.h000066400000000000000000000071171422266545700170730ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef BASE_LOG_SEVERITY_H__ #define BASE_LOG_SEVERITY_H__ // The recommended semantics of the log levels are as follows: // // INFO: // Use for state changes or other major events, or to aid debugging. // WARNING: // Use for undesired but relatively expected events, which may indicate a // problem // ERROR: // Use for undesired and unexpected events that the program can recover from. // All ERRORs should be actionable - it should be appropriate to file a bug // whenever an ERROR occurs in production. // FATAL: // Use for undesired and unexpected events that the program cannot recover // from. // Variables of type LogSeverity are widely taken to lie in the range // [0, NUM_SEVERITIES-1]. Be careful to preserve this assumption if // you ever need to change their values or add a new severity. typedef int LogSeverity; const int GLOG_INFO = 0, GLOG_WARNING = 1, GLOG_ERROR = 2, GLOG_FATAL = 3, NUM_SEVERITIES = 4; #ifndef GLOG_NO_ABBREVIATED_SEVERITIES # ifdef ERROR # error ERROR macro is defined. Define GLOG_NO_ABBREVIATED_SEVERITIES before including logging.h. See the document for detail. # endif const int INFO = GLOG_INFO, WARNING = GLOG_WARNING, ERROR = GLOG_ERROR, FATAL = GLOG_FATAL; #endif // DFATAL is FATAL in debug mode, ERROR in normal mode #ifdef NDEBUG #define DFATAL_LEVEL ERROR #else #define DFATAL_LEVEL FATAL #endif extern GLOG_EXPORT const char* const LogSeverityNames[NUM_SEVERITIES]; // NDEBUG usage helpers related to (RAW_)DCHECK: // // DEBUG_MODE is for small !NDEBUG uses like // if (DEBUG_MODE) foo.CheckThatFoo(); // instead of substantially more verbose // #ifndef NDEBUG // foo.CheckThatFoo(); // #endif // // IF_DEBUG_MODE is for small !NDEBUG uses like // IF_DEBUG_MODE( string error; ) // DCHECK(Foo(&error)) << error; // instead of substantially more verbose // #ifndef NDEBUG // string error; // DCHECK(Foo(&error)) << error; // #endif // #ifdef NDEBUG enum { DEBUG_MODE = 0 }; #define IF_DEBUG_MODE(x) #else enum { DEBUG_MODE = 1 }; #define IF_DEBUG_MODE(x) x #endif #endif // BASE_LOG_SEVERITY_H__ glog-0.6.0/src/glog/logging.h.in000066400000000000000000002366141422266545700164210ustar00rootroot00000000000000// Copyright (c) 2022, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Ray Sidney // // This file contains #include information about logging-related stuff. // Pretty much everybody needs to #include this file so that they can // log various happenings. // #ifndef GLOG_LOGGING_H #define GLOG_LOGGING_H #if @ac_cv_cxx11_chrono@ && __cplusplus >= 201103L #include #endif #include #include #include #include #include #include #include #include #include #if @ac_cv_have_unistd_h@ # include #endif #include #if defined(_MSC_VER) #define GLOG_MSVC_PUSH_DISABLE_WARNING(n) __pragma(warning(push)) \ __pragma(warning(disable:n)) #define GLOG_MSVC_POP_WARNING() __pragma(warning(pop)) #else #define GLOG_MSVC_PUSH_DISABLE_WARNING(n) #define GLOG_MSVC_POP_WARNING() #endif #include #if @ac_cv_have_glog_export@ #include #endif // We care a lot about number of bits things take up. Unfortunately, // systems define their bit-specific ints in a lot of different ways. // We use our own way, and have a typedef to get there. // Note: these commands below may look like "#if 1" or "#if 0", but // that's because they were constructed that way at ./configure time. // Look at logging.h.in to see how they're calculated (based on your config). #if @ac_cv_have_stdint_h@ #include // the normal place uint16_t is defined #endif #if @ac_cv_have_systypes_h@ #include // the normal place u_int16_t is defined #endif #if @ac_cv_have_inttypes_h@ #include // a third place for uint16_t or u_int16_t #endif #if @ac_cv_have_libgflags@ #include #endif #if @ac_cv_cxx11_atomic@ && __cplusplus >= 201103L #include #elif defined(GLOG_OS_WINDOWS) #include #endif @ac_google_start_namespace@ #if @ac_cv_have_uint16_t@ // the C99 format typedef int32_t int32; typedef uint32_t uint32; typedef int64_t int64; typedef uint64_t uint64; #elif @ac_cv_have_u_int16_t@ // the BSD format typedef int32_t int32; typedef u_int32_t uint32; typedef int64_t int64; typedef u_int64_t uint64; #elif @ac_cv_have___uint16@ // the windows (vc7) format typedef __int32 int32; typedef unsigned __int32 uint32; typedef __int64 int64; typedef unsigned __int64 uint64; #else #error Do not know how to define a 32-bit integer quantity on your system #endif typedef double WallTime; struct GLOG_EXPORT LogMessageTime { LogMessageTime(); LogMessageTime(std::tm t); LogMessageTime(std::time_t timestamp, WallTime now); const time_t& timestamp() const { return timestamp_; } const int& sec() const { return time_struct_.tm_sec; } const int32_t& usec() const { return usecs_; } const int&(min)() const { return time_struct_.tm_min; } const int& hour() const { return time_struct_.tm_hour; } const int& day() const { return time_struct_.tm_mday; } const int& month() const { return time_struct_.tm_mon; } const int& year() const { return time_struct_.tm_year; } const int& dayOfWeek() const { return time_struct_.tm_wday; } const int& dayInYear() const { return time_struct_.tm_yday; } const int& dst() const { return time_struct_.tm_isdst; } const long int& gmtoff() const { return gmtoffset_; } const std::tm& tm() const { return time_struct_; } private: void init(const std::tm& t, std::time_t timestamp, WallTime now); std::tm time_struct_; // Time of creation of LogMessage time_t timestamp_; // Time of creation of LogMessage in seconds int32_t usecs_; // Time of creation of LogMessage - microseconds part long int gmtoffset_; void CalcGmtOffset(); }; #ifdef GLOG_CUSTOM_PREFIX_SUPPORT struct LogMessageInfo { explicit LogMessageInfo(const char* const severity_, const char* const filename_, const int& line_number_, const int& thread_id_, const LogMessageTime& time_): severity(severity_), filename(filename_), line_number(line_number_), thread_id(thread_id_), time(time_) {} const char* const severity; const char* const filename; const int &line_number; const int &thread_id; const LogMessageTime& time; }; typedef void(*CustomPrefixCallback)(std::ostream& s, const LogMessageInfo& l, void* data); #endif @ac_google_end_namespace@ // The global value of GOOGLE_STRIP_LOG. All the messages logged to // LOG(XXX) with severity less than GOOGLE_STRIP_LOG will not be displayed. // If it can be determined at compile time that the message will not be // printed, the statement will be compiled out. // // Example: to strip out all INFO and WARNING messages, use the value // of 2 below. To make an exception for WARNING messages from a single // file, add "#define GOOGLE_STRIP_LOG 1" to that file _before_ including // base/logging.h #ifndef GOOGLE_STRIP_LOG #define GOOGLE_STRIP_LOG 0 #endif // GCC can be told that a certain branch is not likely to be taken (for // instance, a CHECK failure), and use that information in static analysis. // Giving it this information can help it optimize for the common case in // the absence of better information (ie. -fprofile-arcs). // #ifndef GOOGLE_PREDICT_BRANCH_NOT_TAKEN #if @ac_cv_have___builtin_expect@ #define GOOGLE_PREDICT_BRANCH_NOT_TAKEN(x) (__builtin_expect(x, 0)) #else #define GOOGLE_PREDICT_BRANCH_NOT_TAKEN(x) x #endif #endif #ifndef GOOGLE_PREDICT_FALSE #if @ac_cv_have___builtin_expect@ #define GOOGLE_PREDICT_FALSE(x) (__builtin_expect(x, 0)) #else #define GOOGLE_PREDICT_FALSE(x) x #endif #endif #ifndef GOOGLE_PREDICT_TRUE #if @ac_cv_have___builtin_expect@ #define GOOGLE_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) #else #define GOOGLE_PREDICT_TRUE(x) x #endif #endif // Make a bunch of macros for logging. The way to log things is to stream // things to LOG(). E.g., // // LOG(INFO) << "Found " << num_cookies << " cookies"; // // You can capture log messages in a string, rather than reporting them // immediately: // // vector errors; // LOG_STRING(ERROR, &errors) << "Couldn't parse cookie #" << cookie_num; // // This pushes back the new error onto 'errors'; if given a NULL pointer, // it reports the error via LOG(ERROR). // // You can also do conditional logging: // // LOG_IF(INFO, num_cookies > 10) << "Got lots of cookies"; // // You can also do occasional logging (log every n'th occurrence of an // event): // // LOG_EVERY_N(INFO, 10) << "Got the " << google::COUNTER << "th cookie"; // // The above will cause log messages to be output on the 1st, 11th, 21st, ... // times it is executed. Note that the special google::COUNTER value is used // to identify which repetition is happening. // // You can also do occasional conditional logging (log every n'th // occurrence of an event, when condition is satisfied): // // LOG_IF_EVERY_N(INFO, (size > 1024), 10) << "Got the " << google::COUNTER // << "th big cookie"; // // You can log messages the first N times your code executes a line. E.g. // // LOG_FIRST_N(INFO, 20) << "Got the " << google::COUNTER << "th cookie"; // // Outputs log messages for the first 20 times it is executed. // // Analogous SYSLOG, SYSLOG_IF, and SYSLOG_EVERY_N macros are available. // These log to syslog as well as to the normal logs. If you use these at // all, you need to be aware that syslog can drastically reduce performance, // especially if it is configured for remote logging! Don't use these // unless you fully understand this and have a concrete need to use them. // Even then, try to minimize your use of them. // // There are also "debug mode" logging macros like the ones above: // // DLOG(INFO) << "Found cookies"; // // DLOG_IF(INFO, num_cookies > 10) << "Got lots of cookies"; // // DLOG_EVERY_N(INFO, 10) << "Got the " << google::COUNTER << "th cookie"; // // All "debug mode" logging is compiled away to nothing for non-debug mode // compiles. // // We also have // // LOG_ASSERT(assertion); // DLOG_ASSERT(assertion); // // which is syntactic sugar for {,D}LOG_IF(FATAL, assert fails) << assertion; // // There are "verbose level" logging macros. They look like // // VLOG(1) << "I'm printed when you run the program with --v=1 or more"; // VLOG(2) << "I'm printed when you run the program with --v=2 or more"; // // These always log at the INFO log level (when they log at all). // The verbose logging can also be turned on module-by-module. For instance, // --vmodule=mapreduce=2,file=1,gfs*=3 --v=0 // will cause: // a. VLOG(2) and lower messages to be printed from mapreduce.{h,cc} // b. VLOG(1) and lower messages to be printed from file.{h,cc} // c. VLOG(3) and lower messages to be printed from files prefixed with "gfs" // d. VLOG(0) and lower messages to be printed from elsewhere // // The wildcarding functionality shown by (c) supports both '*' (match // 0 or more characters) and '?' (match any single character) wildcards. // // There's also VLOG_IS_ON(n) "verbose level" condition macro. To be used as // // if (VLOG_IS_ON(2)) { // // do some logging preparation and logging // // that can't be accomplished with just VLOG(2) << ...; // } // // There are also VLOG_IF, VLOG_EVERY_N and VLOG_IF_EVERY_N "verbose level" // condition macros for sample cases, when some extra computation and // preparation for logs is not needed. // VLOG_IF(1, (size > 1024)) // << "I'm printed when size is more than 1024 and when you run the " // "program with --v=1 or more"; // VLOG_EVERY_N(1, 10) // << "I'm printed every 10th occurrence, and when you run the program " // "with --v=1 or more. Present occurence is " << google::COUNTER; // VLOG_IF_EVERY_N(1, (size > 1024), 10) // << "I'm printed on every 10th occurence of case when size is more " // " than 1024, when you run the program with --v=1 or more. "; // "Present occurence is " << google::COUNTER; // // The supported severity levels for macros that allow you to specify one // are (in increasing order of severity) INFO, WARNING, ERROR, and FATAL. // Note that messages of a given severity are logged not only in the // logfile for that severity, but also in all logfiles of lower severity. // E.g., a message of severity FATAL will be logged to the logfiles of // severity FATAL, ERROR, WARNING, and INFO. // // There is also the special severity of DFATAL, which logs FATAL in // debug mode, ERROR in normal mode. // // Very important: logging a message at the FATAL severity level causes // the program to terminate (after the message is logged). // // Unless otherwise specified, logs will be written to the filename // "...log..", followed // by the date, time, and pid (you can't prevent the date, time, and pid // from being in the filename). // // The logging code takes two flags: // --v=# set the verbose level // --logtostderr log all the messages to stderr instead of to logfiles // LOG LINE PREFIX FORMAT // // Log lines have this form: // // Lyyyymmdd hh:mm:ss.uuuuuu threadid file:line] msg... // // where the fields are defined as follows: // // L A single character, representing the log level // (eg 'I' for INFO) // yyyy The year // mm The month (zero padded; ie May is '05') // dd The day (zero padded) // hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds // threadid The space-padded thread ID as returned by GetTID() // (this matches the PID on Linux) // file The file name // line The line number // msg The user-supplied message // // Example: // // I1103 11:57:31.739339 24395 google.cc:2341] Command line: ./some_prog // I1103 11:57:31.739403 24395 google.cc:2342] Process id 24395 // // NOTE: although the microseconds are useful for comparing events on // a single machine, clocks on different machines may not be well // synchronized. Hence, use caution when comparing the low bits of // timestamps from different machines. #pragma push_macro("DECLARE_VARIABLE") #pragma push_macro("DECLARE_bool") #pragma push_macro("DECLARE_string") #pragma push_macro("DECLARE_int32") #pragma push_macro("DECLARE_uint32") #ifdef DECLARE_VARIABLE #undef DECLARE_VARIABLE #endif #ifdef DECLARE_bool #undef DECLARE_bool #endif #ifdef DECLARE_string #undef DECLARE_string #endif #ifdef DECLARE_int32 #undef DECLARE_int32 #endif #ifdef DECLARE_uint32 #undef DECLARE_uint32 #endif #ifndef DECLARE_VARIABLE #define DECLARE_VARIABLE(type, shorttype, name, tn) \ namespace fL##shorttype { \ extern GLOG_EXPORT type FLAGS_##name; \ } \ using fL##shorttype::FLAGS_##name // bool specialization #define DECLARE_bool(name) \ DECLARE_VARIABLE(bool, B, name, bool) // int32 specialization #define DECLARE_int32(name) \ DECLARE_VARIABLE(@ac_google_namespace@::int32, I, name, int32) #if !defined(DECLARE_uint32) // uint32 specialization #define DECLARE_uint32(name) \ DECLARE_VARIABLE(@ac_google_namespace@::uint32, U, name, uint32) #endif // !defined(DECLARE_uint32) && !(@ac_cv_have_libgflags@) // Special case for string, because we have to specify the namespace // std::string, which doesn't play nicely with our FLAG__namespace hackery. #define DECLARE_string(name) \ namespace fLS { \ extern GLOG_EXPORT std::string& FLAGS_##name; \ } \ using fLS::FLAGS_##name #endif // Set whether appending a timestamp to the log file name DECLARE_bool(timestamp_in_logfile_name); // Set whether log messages go to stdout instead of logfiles DECLARE_bool(logtostdout); // Set color messages logged to stdout (if supported by terminal). DECLARE_bool(colorlogtostdout); // Set whether log messages go to stderr instead of logfiles DECLARE_bool(logtostderr); // Set whether log messages go to stderr in addition to logfiles. DECLARE_bool(alsologtostderr); // Set color messages logged to stderr (if supported by terminal). DECLARE_bool(colorlogtostderr); // Log messages at a level >= this flag are automatically sent to // stderr in addition to log files. DECLARE_int32(stderrthreshold); // Set whether the log prefix should be prepended to each line of output. DECLARE_bool(log_prefix); // Set whether the year should be included in the log prefix. DECLARE_bool(log_year_in_prefix); // Log messages at a level <= this flag are buffered. // Log messages at a higher level are flushed immediately. DECLARE_int32(logbuflevel); // Sets the maximum number of seconds which logs may be buffered for. DECLARE_int32(logbufsecs); // Log suppression level: messages logged at a lower level than this // are suppressed. DECLARE_int32(minloglevel); // If specified, logfiles are written into this directory instead of the // default logging directory. DECLARE_string(log_dir); // Set the log file mode. DECLARE_int32(logfile_mode); // Sets the path of the directory into which to put additional links // to the log files. DECLARE_string(log_link); DECLARE_int32(v); // in vlog_is_on.cc DECLARE_string(vmodule); // also in vlog_is_on.cc // Sets the maximum log file size (in MB). DECLARE_uint32(max_log_size); // Sets whether to avoid logging to the disk if the disk is full. DECLARE_bool(stop_logging_if_full_disk); // Use UTC time for logging DECLARE_bool(log_utc_time); // Log messages below the GOOGLE_STRIP_LOG level will be compiled away for // security reasons. See LOG(severtiy) below. // A few definitions of macros that don't generate much code. Since // LOG(INFO) and its ilk are used all over our code, it's // better to have compact code for these operations. #if GOOGLE_STRIP_LOG == 0 #define COMPACT_GOOGLE_LOG_INFO @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__) #define LOG_TO_STRING_INFO(message) @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_INFO, message) #else #define COMPACT_GOOGLE_LOG_INFO @ac_google_namespace@::NullStream() #define LOG_TO_STRING_INFO(message) @ac_google_namespace@::NullStream() #endif #if GOOGLE_STRIP_LOG <= 1 #define COMPACT_GOOGLE_LOG_WARNING @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_WARNING) #define LOG_TO_STRING_WARNING(message) @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_WARNING, message) #else #define COMPACT_GOOGLE_LOG_WARNING @ac_google_namespace@::NullStream() #define LOG_TO_STRING_WARNING(message) @ac_google_namespace@::NullStream() #endif #if GOOGLE_STRIP_LOG <= 2 #define COMPACT_GOOGLE_LOG_ERROR @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ERROR) #define LOG_TO_STRING_ERROR(message) @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ERROR, message) #else #define COMPACT_GOOGLE_LOG_ERROR @ac_google_namespace@::NullStream() #define LOG_TO_STRING_ERROR(message) @ac_google_namespace@::NullStream() #endif #if GOOGLE_STRIP_LOG <= 3 #define COMPACT_GOOGLE_LOG_FATAL @ac_google_namespace@::LogMessageFatal( \ __FILE__, __LINE__) #define LOG_TO_STRING_FATAL(message) @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_FATAL, message) #else #define COMPACT_GOOGLE_LOG_FATAL @ac_google_namespace@::NullStreamFatal() #define LOG_TO_STRING_FATAL(message) @ac_google_namespace@::NullStreamFatal() #endif #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) #define DCHECK_IS_ON() 0 #else #define DCHECK_IS_ON() 1 #endif // For DFATAL, we want to use LogMessage (as opposed to // LogMessageFatal), to be consistent with the original behavior. #if !DCHECK_IS_ON() #define COMPACT_GOOGLE_LOG_DFATAL COMPACT_GOOGLE_LOG_ERROR #elif GOOGLE_STRIP_LOG <= 3 #define COMPACT_GOOGLE_LOG_DFATAL @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_FATAL) #else #define COMPACT_GOOGLE_LOG_DFATAL @ac_google_namespace@::NullStreamFatal() #endif #define GOOGLE_LOG_INFO(counter) @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_INFO, counter, &@ac_google_namespace@::LogMessage::SendToLog) #define SYSLOG_INFO(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_INFO, counter, \ &@ac_google_namespace@::LogMessage::SendToSyslogAndLog) #define GOOGLE_LOG_WARNING(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_WARNING, counter, \ &@ac_google_namespace@::LogMessage::SendToLog) #define SYSLOG_WARNING(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_WARNING, counter, \ &@ac_google_namespace@::LogMessage::SendToSyslogAndLog) #define GOOGLE_LOG_ERROR(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_ERROR, counter, \ &@ac_google_namespace@::LogMessage::SendToLog) #define SYSLOG_ERROR(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_ERROR, counter, \ &@ac_google_namespace@::LogMessage::SendToSyslogAndLog) #define GOOGLE_LOG_FATAL(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_FATAL, counter, \ &@ac_google_namespace@::LogMessage::SendToLog) #define SYSLOG_FATAL(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_FATAL, counter, \ &@ac_google_namespace@::LogMessage::SendToSyslogAndLog) #define GOOGLE_LOG_DFATAL(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::DFATAL_LEVEL, counter, \ &@ac_google_namespace@::LogMessage::SendToLog) #define SYSLOG_DFATAL(counter) \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::DFATAL_LEVEL, counter, \ &@ac_google_namespace@::LogMessage::SendToSyslogAndLog) #if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) || defined(__CYGWIN32__) // A very useful logging macro to log windows errors: #define LOG_SYSRESULT(result) \ if (FAILED(HRESULT_FROM_WIN32(result))) { \ LPSTR message = NULL; \ LPSTR msg = reinterpret_cast(&message); \ DWORD message_length = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | \ FORMAT_MESSAGE_FROM_SYSTEM, \ 0, result, 0, msg, 100, NULL); \ if (message_length > 0) { \ @ac_google_namespace@::LogMessage(__FILE__, __LINE__, @ac_google_namespace@::GLOG_ERROR, 0, \ &@ac_google_namespace@::LogMessage::SendToLog).stream() \ << reinterpret_cast(message); \ LocalFree(message); \ } \ } #endif // We use the preprocessor's merging operator, "##", so that, e.g., // LOG(INFO) becomes the token GOOGLE_LOG_INFO. There's some funny // subtle difference between ostream member streaming functions (e.g., // ostream::operator<<(int) and ostream non-member streaming functions // (e.g., ::operator<<(ostream&, string&): it turns out that it's // impossible to stream something like a string directly to an unnamed // ostream. We employ a neat hack by calling the stream() member // function of LogMessage which seems to avoid the problem. #define LOG(severity) COMPACT_GOOGLE_LOG_ ## severity.stream() #define SYSLOG(severity) SYSLOG_ ## severity(0).stream() @ac_google_start_namespace@ // They need the definitions of integer types. #include #include // Initialize google's logging library. You will see the program name // specified by argv0 in log outputs. GLOG_EXPORT void InitGoogleLogging(const char* argv0); #ifdef GLOG_CUSTOM_PREFIX_SUPPORT GLOG_EXPORT void InitGoogleLogging(const char* argv0, CustomPrefixCallback prefix_callback, void* prefix_callback_data = NULL); #endif // Check if google's logging library has been initialized. GLOG_EXPORT bool IsGoogleLoggingInitialized(); // Shutdown google's logging library. GLOG_EXPORT void ShutdownGoogleLogging(); #if defined(__GNUC__) typedef void (*logging_fail_func_t)() __attribute__((noreturn)); #else typedef void (*logging_fail_func_t)(); #endif // Install a function which will be called after LOG(FATAL). GLOG_EXPORT void InstallFailureFunction(logging_fail_func_t fail_func); // Enable/Disable old log cleaner. GLOG_EXPORT void EnableLogCleaner(unsigned int overdue_days); GLOG_EXPORT void DisableLogCleaner(); GLOG_EXPORT void SetApplicationFingerprint(const std::string& fingerprint); class LogSink; // defined below // If a non-NULL sink pointer is given, we push this message to that sink. // For LOG_TO_SINK we then do normal LOG(severity) logging as well. // This is useful for capturing messages and passing/storing them // somewhere more specific than the global log of the process. // Argument types: // LogSink* sink; // LogSeverity severity; // The cast is to disambiguate NULL arguments. #define LOG_TO_SINK(sink, severity) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, \ @ac_google_namespace@::GLOG_ ## severity, \ static_cast<@ac_google_namespace@::LogSink*>(sink), true).stream() #define LOG_TO_SINK_BUT_NOT_TO_LOGFILE(sink, severity) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, \ @ac_google_namespace@::GLOG_ ## severity, \ static_cast<@ac_google_namespace@::LogSink*>(sink), false).stream() // If a non-NULL string pointer is given, we write this message to that string. // We then do normal LOG(severity) logging as well. // This is useful for capturing messages and storing them somewhere more // specific than the global log of the process. // Argument types: // string* message; // LogSeverity severity; // The cast is to disambiguate NULL arguments. // NOTE: LOG(severity) expands to LogMessage().stream() for the specified // severity. #define LOG_TO_STRING(severity, message) \ LOG_TO_STRING_##severity(static_cast(message)).stream() // If a non-NULL pointer is given, we push the message onto the end // of a vector of strings; otherwise, we report it with LOG(severity). // This is handy for capturing messages and perhaps passing them back // to the caller, rather than reporting them immediately. // Argument types: // LogSeverity severity; // vector *outvec; // The cast is to disambiguate NULL arguments. #define LOG_STRING(severity, outvec) \ LOG_TO_STRING_##severity(static_cast*>(outvec)).stream() #define LOG_IF(severity, condition) \ static_cast(0), \ !(condition) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity) #define SYSLOG_IF(severity, condition) \ static_cast(0), \ !(condition) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & SYSLOG(severity) #define LOG_ASSERT(condition) \ LOG_IF(FATAL, !(condition)) << "Assert failed: " #condition #define SYSLOG_ASSERT(condition) \ SYSLOG_IF(FATAL, !(condition)) << "Assert failed: " #condition // CHECK dies with a fatal error if condition is not true. It is *not* // controlled by DCHECK_IS_ON(), so the check will be executed regardless of // compilation mode. Therefore, it is safe to do things like: // CHECK(fp->Write(x) == 4) #define CHECK(condition) \ LOG_IF(FATAL, GOOGLE_PREDICT_BRANCH_NOT_TAKEN(!(condition))) \ << "Check failed: " #condition " " // A container for a string pointer which can be evaluated to a bool - // true iff the pointer is NULL. struct CheckOpString { CheckOpString(std::string* str) : str_(str) { } // No destructor: if str_ is non-NULL, we're about to LOG(FATAL), // so there's no point in cleaning up str_. operator bool() const { return GOOGLE_PREDICT_BRANCH_NOT_TAKEN(str_ != NULL); } std::string* str_; }; // Function is overloaded for integral types to allow static const // integrals declared in classes and not defined to be used as arguments to // CHECK* macros. It's not encouraged though. template inline const T& GetReferenceableValue(const T& t) { return t; } inline char GetReferenceableValue(char t) { return t; } inline unsigned char GetReferenceableValue(unsigned char t) { return t; } inline signed char GetReferenceableValue(signed char t) { return t; } inline short GetReferenceableValue(short t) { return t; } inline unsigned short GetReferenceableValue(unsigned short t) { return t; } inline int GetReferenceableValue(int t) { return t; } inline unsigned int GetReferenceableValue(unsigned int t) { return t; } inline long GetReferenceableValue(long t) { return t; } inline unsigned long GetReferenceableValue(unsigned long t) { return t; } #if __cplusplus >= 201103L inline long long GetReferenceableValue(long long t) { return t; } inline unsigned long long GetReferenceableValue(unsigned long long t) { return t; } #endif // This is a dummy class to define the following operator. struct DummyClassToDefineOperator {}; @ac_google_end_namespace@ // Define global operator<< to declare using ::operator<<. // This declaration will allow use to use CHECK macros for user // defined classes which have operator<< (e.g., stl_logging.h). inline std::ostream& operator<<( std::ostream& out, const google::DummyClassToDefineOperator&) { return out; } @ac_google_start_namespace@ // This formats a value for a failing CHECK_XX statement. Ordinarily, // it uses the definition for operator<<, with a few special cases below. template inline void MakeCheckOpValueString(std::ostream* os, const T& v) { (*os) << v; } // Overrides for char types provide readable values for unprintable // characters. template <> GLOG_EXPORT void MakeCheckOpValueString(std::ostream* os, const char& v); template <> GLOG_EXPORT void MakeCheckOpValueString(std::ostream* os, const signed char& v); template <> GLOG_EXPORT void MakeCheckOpValueString(std::ostream* os, const unsigned char& v); // This is required because nullptr is only present in c++ 11 and later. #if @ac_cv_cxx11_nullptr_t@ && __cplusplus >= 201103L // Provide printable value for nullptr_t template <> GLOG_EXPORT void MakeCheckOpValueString(std::ostream* os, const std::nullptr_t& v); #endif // Build the error message string. Specify no inlining for code size. template std::string* MakeCheckOpString(const T1& v1, const T2& v2, const char* exprtext) @ac_cv___attribute___noinline@; namespace base { namespace internal { // If "s" is less than base_logging::INFO, returns base_logging::INFO. // If "s" is greater than base_logging::FATAL, returns // base_logging::ERROR. Otherwise, returns "s". LogSeverity NormalizeSeverity(LogSeverity s); } // namespace internal // A helper class for formatting "expr (V1 vs. V2)" in a CHECK_XX // statement. See MakeCheckOpString for sample usage. Other // approaches were considered: use of a template method (e.g., // base::BuildCheckOpString(exprtext, base::Print, &v1, // base::Print, &v2), however this approach has complications // related to volatile arguments and function-pointer arguments). class GLOG_EXPORT CheckOpMessageBuilder { public: // Inserts "exprtext" and " (" to the stream. explicit CheckOpMessageBuilder(const char *exprtext); // Deletes "stream_". ~CheckOpMessageBuilder(); // For inserting the first variable. std::ostream* ForVar1() { return stream_; } // For inserting the second variable (adds an intermediate " vs. "). std::ostream* ForVar2(); // Get the result (inserts the closing ")"). std::string* NewString(); private: std::ostringstream *stream_; }; } // namespace base template std::string* MakeCheckOpString(const T1& v1, const T2& v2, const char* exprtext) { base::CheckOpMessageBuilder comb(exprtext); MakeCheckOpValueString(comb.ForVar1(), v1); MakeCheckOpValueString(comb.ForVar2(), v2); return comb.NewString(); } // Helper functions for CHECK_OP macro. // The (int, int) specialization works around the issue that the compiler // will not instantiate the template version of the function on values of // unnamed enum type - see comment below. #define DEFINE_CHECK_OP_IMPL(name, op) \ template \ inline std::string* name##Impl(const T1& v1, const T2& v2, \ const char* exprtext) { \ if (GOOGLE_PREDICT_TRUE(v1 op v2)) return NULL; \ else return MakeCheckOpString(v1, v2, exprtext); \ } \ inline std::string* name##Impl(int v1, int v2, const char* exprtext) { \ return name##Impl(v1, v2, exprtext); \ } // We use the full name Check_EQ, Check_NE, etc. in case the file including // base/logging.h provides its own #defines for the simpler names EQ, NE, etc. // This happens if, for example, those are used as token names in a // yacc grammar. DEFINE_CHECK_OP_IMPL(Check_EQ, ==) // Compilation error with CHECK_EQ(NULL, x)? DEFINE_CHECK_OP_IMPL(Check_NE, !=) // Use CHECK(x == NULL) instead. DEFINE_CHECK_OP_IMPL(Check_LE, <=) DEFINE_CHECK_OP_IMPL(Check_LT, < ) DEFINE_CHECK_OP_IMPL(Check_GE, >=) DEFINE_CHECK_OP_IMPL(Check_GT, > ) #undef DEFINE_CHECK_OP_IMPL // Helper macro for binary operators. // Don't use this macro directly in your code, use CHECK_EQ et al below. #if defined(STATIC_ANALYSIS) // Only for static analysis tool to know that it is equivalent to assert #define CHECK_OP_LOG(name, op, val1, val2, log) CHECK((val1) op (val2)) #elif DCHECK_IS_ON() // In debug mode, avoid constructing CheckOpStrings if possible, // to reduce the overhead of CHECK statments by 2x. // Real DCHECK-heavy tests have seen 1.5x speedups. // The meaning of "string" might be different between now and // when this macro gets invoked (e.g., if someone is experimenting // with other string implementations that get defined after this // file is included). Save the current meaning now and use it // in the macro. typedef std::string _Check_string; #define CHECK_OP_LOG(name, op, val1, val2, log) \ while (@ac_google_namespace@::_Check_string* _result = \ @ac_google_namespace@::Check##name##Impl( \ @ac_google_namespace@::GetReferenceableValue(val1), \ @ac_google_namespace@::GetReferenceableValue(val2), \ #val1 " " #op " " #val2)) \ log(__FILE__, __LINE__, \ @ac_google_namespace@::CheckOpString(_result)).stream() #else // In optimized mode, use CheckOpString to hint to compiler that // the while condition is unlikely. #define CHECK_OP_LOG(name, op, val1, val2, log) \ while (@ac_google_namespace@::CheckOpString _result = \ @ac_google_namespace@::Check##name##Impl( \ @ac_google_namespace@::GetReferenceableValue(val1), \ @ac_google_namespace@::GetReferenceableValue(val2), \ #val1 " " #op " " #val2)) \ log(__FILE__, __LINE__, _result).stream() #endif // STATIC_ANALYSIS, DCHECK_IS_ON() #if GOOGLE_STRIP_LOG <= 3 #define CHECK_OP(name, op, val1, val2) \ CHECK_OP_LOG(name, op, val1, val2, @ac_google_namespace@::LogMessageFatal) #else #define CHECK_OP(name, op, val1, val2) \ CHECK_OP_LOG(name, op, val1, val2, @ac_google_namespace@::NullStreamFatal) #endif // STRIP_LOG <= 3 // Equality/Inequality checks - compare two values, and log a FATAL message // including the two values when the result is not as expected. The values // must have operator<<(ostream, ...) defined. // // You may append to the error message like so: // CHECK_NE(1, 2) << ": The world must be ending!"; // // We are very careful to ensure that each argument is evaluated exactly // once, and that anything which is legal to pass as a function argument is // legal here. In particular, the arguments may be temporary expressions // which will end up being destroyed at the end of the apparent statement, // for example: // CHECK_EQ(string("abc")[1], 'b'); // // WARNING: These don't compile correctly if one of the arguments is a pointer // and the other is NULL. To work around this, simply static_cast NULL to the // type of the desired pointer. #define CHECK_EQ(val1, val2) CHECK_OP(_EQ, ==, val1, val2) #define CHECK_NE(val1, val2) CHECK_OP(_NE, !=, val1, val2) #define CHECK_LE(val1, val2) CHECK_OP(_LE, <=, val1, val2) #define CHECK_LT(val1, val2) CHECK_OP(_LT, < , val1, val2) #define CHECK_GE(val1, val2) CHECK_OP(_GE, >=, val1, val2) #define CHECK_GT(val1, val2) CHECK_OP(_GT, > , val1, val2) // Check that the input is non NULL. This very useful in constructor // initializer lists. #define CHECK_NOTNULL(val) \ @ac_google_namespace@::CheckNotNull(__FILE__, __LINE__, "'" #val "' Must be non NULL", (val)) // Helper functions for string comparisons. // To avoid bloat, the definitions are in logging.cc. #define DECLARE_CHECK_STROP_IMPL(func, expected) \ GLOG_EXPORT std::string* Check##func##expected##Impl( \ const char* s1, const char* s2, const char* names); DECLARE_CHECK_STROP_IMPL(strcmp, true) DECLARE_CHECK_STROP_IMPL(strcmp, false) DECLARE_CHECK_STROP_IMPL(strcasecmp, true) DECLARE_CHECK_STROP_IMPL(strcasecmp, false) #undef DECLARE_CHECK_STROP_IMPL // Helper macro for string comparisons. // Don't use this macro directly in your code, use CHECK_STREQ et al below. #define CHECK_STROP(func, op, expected, s1, s2) \ while (@ac_google_namespace@::CheckOpString _result = \ @ac_google_namespace@::Check##func##expected##Impl((s1), (s2), \ #s1 " " #op " " #s2)) \ LOG(FATAL) << *_result.str_ // String (char*) equality/inequality checks. // CASE versions are case-insensitive. // // Note that "s1" and "s2" may be temporary strings which are destroyed // by the compiler at the end of the current "full expression" // (e.g. CHECK_STREQ(Foo().c_str(), Bar().c_str())). #define CHECK_STREQ(s1, s2) CHECK_STROP(strcmp, ==, true, s1, s2) #define CHECK_STRNE(s1, s2) CHECK_STROP(strcmp, !=, false, s1, s2) #define CHECK_STRCASEEQ(s1, s2) CHECK_STROP(strcasecmp, ==, true, s1, s2) #define CHECK_STRCASENE(s1, s2) CHECK_STROP(strcasecmp, !=, false, s1, s2) #define CHECK_INDEX(I,A) CHECK(I < (sizeof(A)/sizeof(A[0]))) #define CHECK_BOUND(B,A) CHECK(B <= (sizeof(A)/sizeof(A[0]))) #define CHECK_DOUBLE_EQ(val1, val2) \ do { \ CHECK_LE((val1), (val2)+0.000000000000001L); \ CHECK_GE((val1), (val2)-0.000000000000001L); \ } while (0) #define CHECK_NEAR(val1, val2, margin) \ do { \ CHECK_LE((val1), (val2)+(margin)); \ CHECK_GE((val1), (val2)-(margin)); \ } while (0) // perror()..googly style! // // PLOG() and PLOG_IF() and PCHECK() behave exactly like their LOG* and // CHECK equivalents with the addition that they postpend a description // of the current state of errno to their output lines. #define PLOG(severity) GOOGLE_PLOG(severity, 0).stream() #define GOOGLE_PLOG(severity, counter) \ @ac_google_namespace@::ErrnoLogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, counter, \ &@ac_google_namespace@::LogMessage::SendToLog) #define PLOG_IF(severity, condition) \ static_cast(0), \ !(condition) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & PLOG(severity) // A CHECK() macro that postpends errno if the condition is false. E.g. // // if (poll(fds, nfds, timeout) == -1) { PCHECK(errno == EINTR); ... } #define PCHECK(condition) \ PLOG_IF(FATAL, GOOGLE_PREDICT_BRANCH_NOT_TAKEN(!(condition))) \ << "Check failed: " #condition " " // A CHECK() macro that lets you assert the success of a function that // returns -1 and sets errno in case of an error. E.g. // // CHECK_ERR(mkdir(path, 0700)); // // or // // int fd = open(filename, flags); CHECK_ERR(fd) << ": open " << filename; #define CHECK_ERR(invocation) \ PLOG_IF(FATAL, GOOGLE_PREDICT_BRANCH_NOT_TAKEN((invocation) == -1)) \ << #invocation // Use macro expansion to create, for each use of LOG_EVERY_N(), static // variables with the __LINE__ expansion as part of the variable name. #define LOG_EVERY_N_VARNAME(base, line) LOG_EVERY_N_VARNAME_CONCAT(base, line) #define LOG_EVERY_N_VARNAME_CONCAT(base, line) base ## line #define LOG_OCCURRENCES LOG_EVERY_N_VARNAME(occurrences_, __LINE__) #define LOG_OCCURRENCES_MOD_N LOG_EVERY_N_VARNAME(occurrences_mod_n_, __LINE__) #if @ac_cv_cxx11_constexpr@ && __cplusplus >= 201103L #define GLOG_CONSTEXPR constexpr #else #define GLOG_CONSTEXPR const #endif #define LOG_TIME_PERIOD LOG_EVERY_N_VARNAME(timePeriod_, __LINE__) #define LOG_PREVIOUS_TIME_RAW LOG_EVERY_N_VARNAME(previousTimeRaw_, __LINE__) #define LOG_TIME_DELTA LOG_EVERY_N_VARNAME(deltaTime_, __LINE__) #define LOG_CURRENT_TIME LOG_EVERY_N_VARNAME(currentTime_, __LINE__) #define LOG_PREVIOUS_TIME LOG_EVERY_N_VARNAME(previousTime_, __LINE__) #if defined(__has_feature) # if __has_feature(thread_sanitizer) # define GLOG_SANITIZE_THREAD 1 # endif #endif #if !defined(GLOG_SANITIZE_THREAD) && defined(__SANITIZE_THREAD__) && __SANITIZE_THREAD__ # define GLOG_SANITIZE_THREAD 1 #endif #if defined(GLOG_SANITIZE_THREAD) #define GLOG_IFDEF_THREAD_SANITIZER(X) X #else #define GLOG_IFDEF_THREAD_SANITIZER(X) #endif #if defined(GLOG_SANITIZE_THREAD) } // namespace google // We need to identify the static variables as "benign" races // to avoid noisy reports from TSAN. extern "C" void AnnotateBenignRaceSized( const char *file, int line, const volatile void *mem, size_t size, const char *description); namespace google { #endif #if __cplusplus >= 201103L && @ac_cv_cxx11_chrono@ && @ac_cv_cxx11_atomic@ // Have and #define SOME_KIND_OF_LOG_EVERY_T(severity, seconds) \ GLOG_CONSTEXPR std::chrono::nanoseconds LOG_TIME_PERIOD = std::chrono::duration_cast(std::chrono::duration(seconds)); \ static std::atomic<@ac_google_namespace@::int64> LOG_PREVIOUS_TIME_RAW; \ GLOG_IFDEF_THREAD_SANITIZER( \ AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_TIME_PERIOD, sizeof(@ac_google_namespace@::int64), "")); \ GLOG_IFDEF_THREAD_SANITIZER( \ AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_PREVIOUS_TIME_RAW, sizeof(@ac_google_namespace@::int64), "")); \ const auto LOG_CURRENT_TIME = std::chrono::duration_cast(std::chrono::steady_clock::now().time_since_epoch()); \ const auto LOG_PREVIOUS_TIME = LOG_PREVIOUS_TIME_RAW.load(std::memory_order_relaxed); \ const auto LOG_TIME_DELTA = LOG_CURRENT_TIME - std::chrono::nanoseconds(LOG_PREVIOUS_TIME); \ if (LOG_TIME_DELTA > LOG_TIME_PERIOD) \ LOG_PREVIOUS_TIME_RAW.store(std::chrono::duration_cast(LOG_CURRENT_TIME).count(), std::memory_order_relaxed); \ if (LOG_TIME_DELTA > LOG_TIME_PERIOD) @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity).stream() #elif defined(GLOG_OS_WINDOWS) #define SOME_KIND_OF_LOG_EVERY_T(severity, seconds) \ GLOG_CONSTEXPR LONGLONG LOG_TIME_PERIOD = (seconds) * LONGLONG(1000000000); \ static LARGE_INTEGER LOG_PREVIOUS_TIME; \ LONGLONG LOG_TIME_DELTA; \ { \ LARGE_INTEGER currTime; \ LARGE_INTEGER freq; \ QueryPerformanceCounter(&currTime); \ QueryPerformanceFrequency(&freq); \ InterlockedCompareExchange64(&LOG_PREVIOUS_TIME.QuadPart, currTime.QuadPart, 0); \ LOG_TIME_DELTA = (currTime.QuadPart - LOG_PREVIOUS_TIME.QuadPart) * LONGLONG(1000000000) / freq.QuadPart; \ if (LOG_TIME_DELTA > LOG_TIME_PERIOD) InterlockedExchange64(&LOG_PREVIOUS_TIME.QuadPart, currTime.QuadPart); \ } \ if (LOG_TIME_DELTA > LOG_TIME_PERIOD) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity).stream() #else #define SOME_KIND_OF_LOG_EVERY_T(severity, seconds) \ GLOG_CONSTEXPR @ac_google_namespace@::int64 LOG_TIME_PERIOD(seconds * 1000000000); \ static @ac_google_namespace@::int64 LOG_PREVIOUS_TIME; \ @ac_google_namespace@::int64 LOG_TIME_DELTA = 0; \ { \ timespec currentTime = {}; \ clock_gettime(CLOCK_MONOTONIC, ¤tTime); \ LOG_TIME_DELTA = (currentTime.tv_sec * 1000000000 + currentTime.tv_nsec) - LOG_PREVIOUS_TIME; \ } \ if (LOG_TIME_DELTA > LOG_TIME_PERIOD) __sync_add_and_fetch(&LOG_PREVIOUS_TIME, LOG_TIME_DELTA); \ if (LOG_TIME_DELTA > LOG_TIME_PERIOD) @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity).stream() #endif #if @ac_cv_cxx11_atomic@ && __cplusplus >= 201103L #define SOME_KIND_OF_LOG_EVERY_N(severity, n, what_to_do) \ static std::atomic LOG_OCCURRENCES(0), LOG_OCCURRENCES_MOD_N(0); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES, sizeof(int), "")); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES_MOD_N, sizeof(int), "")); \ ++LOG_OCCURRENCES; \ if (++LOG_OCCURRENCES_MOD_N > n) LOG_OCCURRENCES_MOD_N -= n; \ if (LOG_OCCURRENCES_MOD_N == 1) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_LOG_IF_EVERY_N(severity, condition, n, what_to_do) \ static std::atomic LOG_OCCURRENCES(0), LOG_OCCURRENCES_MOD_N(0); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES, sizeof(int), "")); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES_MOD_N, sizeof(int), "")); \ ++LOG_OCCURRENCES; \ if ((condition) && \ ((LOG_OCCURRENCES_MOD_N=(LOG_OCCURRENCES_MOD_N + 1) % n) == (1 % n))) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_PLOG_EVERY_N(severity, n, what_to_do) \ static std::atomic LOG_OCCURRENCES(0), LOG_OCCURRENCES_MOD_N(0); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES, sizeof(int), "")); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES_MOD_N, sizeof(int), "")); \ ++LOG_OCCURRENCES; \ if (++LOG_OCCURRENCES_MOD_N > n) LOG_OCCURRENCES_MOD_N -= n; \ if (LOG_OCCURRENCES_MOD_N == 1) \ @ac_google_namespace@::ErrnoLogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_LOG_FIRST_N(severity, n, what_to_do) \ static std::atomic LOG_OCCURRENCES(0); \ GLOG_IFDEF_THREAD_SANITIZER(AnnotateBenignRaceSized(__FILE__, __LINE__, &LOG_OCCURRENCES, sizeof(int), "")); \ if (LOG_OCCURRENCES <= n) \ ++LOG_OCCURRENCES; \ if (LOG_OCCURRENCES <= n) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #elif defined(GLOG_OS_WINDOWS) #define SOME_KIND_OF_LOG_EVERY_N(severity, n, what_to_do) \ static volatile unsigned LOG_OCCURRENCES = 0; \ static volatile unsigned LOG_OCCURRENCES_MOD_N = 0; \ InterlockedIncrement(&LOG_OCCURRENCES); \ if (InterlockedIncrement(&LOG_OCCURRENCES_MOD_N) > n) \ InterlockedExchangeSubtract(&LOG_OCCURRENCES_MOD_N, n); \ if (LOG_OCCURRENCES_MOD_N == 1) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_LOG_IF_EVERY_N(severity, condition, n, what_to_do) \ static volatile unsigned LOG_OCCURRENCES = 0; \ static volatile unsigned LOG_OCCURRENCES_MOD_N = 0; \ InterlockedIncrement(&LOG_OCCURRENCES); \ if ((condition) && \ ((InterlockedIncrement(&LOG_OCCURRENCES_MOD_N), \ (LOG_OCCURRENCES_MOD_N > n && InterlockedExchangeSubtract(&LOG_OCCURRENCES_MOD_N, n))), \ LOG_OCCURRENCES_MOD_N == 1)) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_PLOG_EVERY_N(severity, n, what_to_do) \ static volatile unsigned LOG_OCCURRENCES = 0; \ static volatile unsigned LOG_OCCURRENCES_MOD_N = 0; \ InterlockedIncrement(&LOG_OCCURRENCES); \ if (InterlockedIncrement(&LOG_OCCURRENCES_MOD_N) > n) \ InterlockedExchangeSubtract(&LOG_OCCURRENCES_MOD_N, n); \ if (LOG_OCCURRENCES_MOD_N == 1) \ @ac_google_namespace@::ErrnoLogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_LOG_FIRST_N(severity, n, what_to_do) \ static volatile unsigned LOG_OCCURRENCES = 0; \ if (LOG_OCCURRENCES <= n) \ InterlockedIncrement(&LOG_OCCURRENCES); \ if (LOG_OCCURRENCES <= n) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #else #define SOME_KIND_OF_LOG_EVERY_N(severity, n, what_to_do) \ static int LOG_OCCURRENCES = 0, LOG_OCCURRENCES_MOD_N = 0; \ __sync_add_and_fetch(&LOG_OCCURRENCES, 1); \ if (__sync_add_and_fetch(&LOG_OCCURRENCES_MOD_N, 1) > n) \ __sync_sub_and_fetch(&LOG_OCCURRENCES_MOD_N, n); \ if (LOG_OCCURRENCES_MOD_N == 1) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_LOG_IF_EVERY_N(severity, condition, n, what_to_do) \ static int LOG_OCCURRENCES = 0, LOG_OCCURRENCES_MOD_N = 0; \ __sync_add_and_fetch(&LOG_OCCURRENCES, 1); \ if ((condition) && \ (__sync_add_and_fetch(&LOG_OCCURRENCES_MOD_N, 1) || true) && \ ((LOG_OCCURRENCES_MOD_N >= n && __sync_sub_and_fetch(&LOG_OCCURRENCES_MOD_N, n)) || true) && \ LOG_OCCURRENCES_MOD_N == (1 % n)) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_PLOG_EVERY_N(severity, n, what_to_do) \ static int LOG_OCCURRENCES = 0, LOG_OCCURRENCES_MOD_N = 0; \ __sync_add_and_fetch(&LOG_OCCURRENCES, 1); \ if (__sync_add_and_fetch(&LOG_OCCURRENCES_MOD_N, 1) > n) \ __sync_sub_and_fetch(&LOG_OCCURRENCES_MOD_N, n); \ if (LOG_OCCURRENCES_MOD_N == 1) \ @ac_google_namespace@::ErrnoLogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #define SOME_KIND_OF_LOG_FIRST_N(severity, n, what_to_do) \ static int LOG_OCCURRENCES = 0; \ if (LOG_OCCURRENCES <= n) \ __sync_add_and_fetch(&LOG_OCCURRENCES, 1); \ if (LOG_OCCURRENCES <= n) \ @ac_google_namespace@::LogMessage( \ __FILE__, __LINE__, @ac_google_namespace@::GLOG_ ## severity, LOG_OCCURRENCES, \ &what_to_do).stream() #endif namespace glog_internal_namespace_ { template struct CompileAssert { }; struct CrashReason; // Returns true if FailureSignalHandler is installed. // Needs to be exported since it's used by the signalhandler_unittest. GLOG_EXPORT bool IsFailureSignalHandlerInstalled(); } // namespace glog_internal_namespace_ #define LOG_EVERY_N(severity, n) \ SOME_KIND_OF_LOG_EVERY_N(severity, (n), @ac_google_namespace@::LogMessage::SendToLog) #define LOG_EVERY_T(severity, T) SOME_KIND_OF_LOG_EVERY_T(severity, (T)) #define SYSLOG_EVERY_N(severity, n) \ SOME_KIND_OF_LOG_EVERY_N(severity, (n), @ac_google_namespace@::LogMessage::SendToSyslogAndLog) #define PLOG_EVERY_N(severity, n) \ SOME_KIND_OF_PLOG_EVERY_N(severity, (n), @ac_google_namespace@::LogMessage::SendToLog) #define LOG_FIRST_N(severity, n) \ SOME_KIND_OF_LOG_FIRST_N(severity, (n), @ac_google_namespace@::LogMessage::SendToLog) #define LOG_IF_EVERY_N(severity, condition, n) \ SOME_KIND_OF_LOG_IF_EVERY_N(severity, (condition), (n), @ac_google_namespace@::LogMessage::SendToLog) // We want the special COUNTER value available for LOG_EVERY_X()'ed messages enum PRIVATE_Counter {COUNTER}; #ifdef GLOG_NO_ABBREVIATED_SEVERITIES // wingdi.h defines ERROR to be 0. When we call LOG(ERROR), it gets // substituted with 0, and it expands to COMPACT_GOOGLE_LOG_0. To allow us // to keep using this syntax, we define this macro to do the same thing // as COMPACT_GOOGLE_LOG_ERROR. #define COMPACT_GOOGLE_LOG_0 COMPACT_GOOGLE_LOG_ERROR #define SYSLOG_0 SYSLOG_ERROR #define LOG_TO_STRING_0 LOG_TO_STRING_ERROR // Needed for LOG_IS_ON(ERROR). const LogSeverity GLOG_0 = GLOG_ERROR; #else // Users may include windows.h after logging.h without // GLOG_NO_ABBREVIATED_SEVERITIES nor WIN32_LEAN_AND_MEAN. // For this case, we cannot detect if ERROR is defined before users // actually use ERROR. Let's make an undefined symbol to warn users. # define GLOG_ERROR_MSG ERROR_macro_is_defined_Define_GLOG_NO_ABBREVIATED_SEVERITIES_before_including_logging_h_See_the_document_for_detail # define COMPACT_GOOGLE_LOG_0 GLOG_ERROR_MSG # define SYSLOG_0 GLOG_ERROR_MSG # define LOG_TO_STRING_0 GLOG_ERROR_MSG # define GLOG_0 GLOG_ERROR_MSG #endif // Plus some debug-logging macros that get compiled to nothing for production #if DCHECK_IS_ON() #define DLOG(severity) LOG(severity) #define DVLOG(verboselevel) VLOG(verboselevel) #define DLOG_IF(severity, condition) LOG_IF(severity, condition) #define DLOG_EVERY_N(severity, n) LOG_EVERY_N(severity, n) #define DLOG_IF_EVERY_N(severity, condition, n) \ LOG_IF_EVERY_N(severity, condition, n) #define DLOG_ASSERT(condition) LOG_ASSERT(condition) // debug-only checking. executed if DCHECK_IS_ON(). #define DCHECK(condition) CHECK(condition) #define DCHECK_EQ(val1, val2) CHECK_EQ(val1, val2) #define DCHECK_NE(val1, val2) CHECK_NE(val1, val2) #define DCHECK_LE(val1, val2) CHECK_LE(val1, val2) #define DCHECK_LT(val1, val2) CHECK_LT(val1, val2) #define DCHECK_GE(val1, val2) CHECK_GE(val1, val2) #define DCHECK_GT(val1, val2) CHECK_GT(val1, val2) #define DCHECK_NOTNULL(val) CHECK_NOTNULL(val) #define DCHECK_STREQ(str1, str2) CHECK_STREQ(str1, str2) #define DCHECK_STRCASEEQ(str1, str2) CHECK_STRCASEEQ(str1, str2) #define DCHECK_STRNE(str1, str2) CHECK_STRNE(str1, str2) #define DCHECK_STRCASENE(str1, str2) CHECK_STRCASENE(str1, str2) #else // !DCHECK_IS_ON() #define DLOG(severity) \ static_cast(0), \ true ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity) #define DVLOG(verboselevel) \ static_cast(0), \ (true || !VLOG_IS_ON(verboselevel)) ? \ (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(INFO) #define DLOG_IF(severity, condition) \ static_cast(0), \ (true || !(condition)) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity) #define DLOG_EVERY_N(severity, n) \ static_cast(0), \ true ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity) #define DLOG_IF_EVERY_N(severity, condition, n) \ static_cast(0), \ (true || !(condition))? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity) #define DLOG_ASSERT(condition) \ static_cast(0), \ true ? (void) 0 : LOG_ASSERT(condition) // MSVC warning C4127: conditional expression is constant #define DCHECK(condition) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK(condition) #define DCHECK_EQ(val1, val2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_EQ(val1, val2) #define DCHECK_NE(val1, val2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_NE(val1, val2) #define DCHECK_LE(val1, val2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_LE(val1, val2) #define DCHECK_LT(val1, val2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_LT(val1, val2) #define DCHECK_GE(val1, val2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_GE(val1, val2) #define DCHECK_GT(val1, val2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_GT(val1, val2) // You may see warnings in release mode if you don't use the return // value of DCHECK_NOTNULL. Please just use DCHECK for such cases. #define DCHECK_NOTNULL(val) (val) #define DCHECK_STREQ(str1, str2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_STREQ(str1, str2) #define DCHECK_STRCASEEQ(str1, str2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_STRCASEEQ(str1, str2) #define DCHECK_STRNE(str1, str2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_STRNE(str1, str2) #define DCHECK_STRCASENE(str1, str2) \ GLOG_MSVC_PUSH_DISABLE_WARNING(4127) \ while (false) \ GLOG_MSVC_POP_WARNING() CHECK_STRCASENE(str1, str2) #endif // DCHECK_IS_ON() // Log only in verbose mode. #define VLOG(verboselevel) LOG_IF(INFO, VLOG_IS_ON(verboselevel)) #define VLOG_IF(verboselevel, condition) \ LOG_IF(INFO, (condition) && VLOG_IS_ON(verboselevel)) #define VLOG_EVERY_N(verboselevel, n) \ LOG_IF_EVERY_N(INFO, VLOG_IS_ON(verboselevel), n) #define VLOG_IF_EVERY_N(verboselevel, condition, n) \ LOG_IF_EVERY_N(INFO, (condition) && VLOG_IS_ON(verboselevel), n) namespace base_logging { // LogMessage::LogStream is a std::ostream backed by this streambuf. // This class ignores overflow and leaves two bytes at the end of the // buffer to allow for a '\n' and '\0'. class GLOG_EXPORT LogStreamBuf : public std::streambuf { public: // REQUIREMENTS: "len" must be >= 2 to account for the '\n' and '\0'. LogStreamBuf(char *buf, int len) { setp(buf, buf + len - 2); } // This effectively ignores overflow. int_type overflow(int_type ch) { return ch; } // Legacy public ostrstream method. size_t pcount() const { return static_cast(pptr() - pbase()); } char* pbase() const { return std::streambuf::pbase(); } }; } // namespace base_logging // // This class more or less represents a particular log message. You // create an instance of LogMessage and then stream stuff to it. // When you finish streaming to it, ~LogMessage is called and the // full message gets streamed to the appropriate destination. // // You shouldn't actually use LogMessage's constructor to log things, // though. You should use the LOG() macro (and variants thereof) // above. class GLOG_EXPORT LogMessage { public: enum { // Passing kNoLogPrefix for the line number disables the // log-message prefix. Useful for using the LogMessage // infrastructure as a printing utility. See also the --log_prefix // flag for controlling the log-message prefix on an // application-wide basis. kNoLogPrefix = -1 }; // LogStream inherit from non-DLL-exported class (std::ostrstream) // and VC++ produces a warning for this situation. // However, MSDN says "C4275 can be ignored in Microsoft Visual C++ // 2005 if you are deriving from a type in the Standard C++ Library" // http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx // Let's just ignore the warning. GLOG_MSVC_PUSH_DISABLE_WARNING(4275) class GLOG_EXPORT LogStream : public std::ostream { GLOG_MSVC_POP_WARNING() public: LogStream(char *buf, int len, int64 ctr) : std::ostream(NULL), streambuf_(buf, len), ctr_(ctr), self_(this) { rdbuf(&streambuf_); } int64 ctr() const { return ctr_; } void set_ctr(int64 ctr) { ctr_ = ctr; } LogStream* self() const { return self_; } // Legacy std::streambuf methods. size_t pcount() const { return streambuf_.pcount(); } char* pbase() const { return streambuf_.pbase(); } char* str() const { return pbase(); } private: LogStream(const LogStream&); LogStream& operator=(const LogStream&); base_logging::LogStreamBuf streambuf_; int64 ctr_; // Counter hack (for the LOG_EVERY_X() macro) LogStream *self_; // Consistency check hack }; public: // icc 8 requires this typedef to avoid an internal compiler error. typedef void (LogMessage::*SendMethod)(); LogMessage(const char* file, int line, LogSeverity severity, int64 ctr, SendMethod send_method); // Two special constructors that generate reduced amounts of code at // LOG call sites for common cases. // Used for LOG(INFO): Implied are: // severity = INFO, ctr = 0, send_method = &LogMessage::SendToLog. // // Using this constructor instead of the more complex constructor above // saves 19 bytes per call site. LogMessage(const char* file, int line); // Used for LOG(severity) where severity != INFO. Implied // are: ctr = 0, send_method = &LogMessage::SendToLog // // Using this constructor instead of the more complex constructor above // saves 17 bytes per call site. LogMessage(const char* file, int line, LogSeverity severity); // Constructor to log this message to a specified sink (if not NULL). // Implied are: ctr = 0, send_method = &LogMessage::SendToSinkAndLog if // also_send_to_log is true, send_method = &LogMessage::SendToSink otherwise. LogMessage(const char* file, int line, LogSeverity severity, LogSink* sink, bool also_send_to_log); // Constructor where we also give a vector pointer // for storing the messages (if the pointer is not NULL). // Implied are: ctr = 0, send_method = &LogMessage::SaveOrSendToLog. LogMessage(const char* file, int line, LogSeverity severity, std::vector* outvec); // Constructor where we also give a string pointer for storing the // message (if the pointer is not NULL). Implied are: ctr = 0, // send_method = &LogMessage::WriteToStringAndLog. LogMessage(const char* file, int line, LogSeverity severity, std::string* message); // A special constructor used for check failures LogMessage(const char* file, int line, const CheckOpString& result); ~LogMessage(); // Flush a buffered message to the sink set in the constructor. Always // called by the destructor, it may also be called from elsewhere if // needed. Only the first call is actioned; any later ones are ignored. void Flush(); // An arbitrary limit on the length of a single log message. This // is so that streaming can be done more efficiently. static const size_t kMaxLogMessageLen; // Theses should not be called directly outside of logging.*, // only passed as SendMethod arguments to other LogMessage methods: void SendToLog(); // Actually dispatch to the logs void SendToSyslogAndLog(); // Actually dispatch to syslog and the logs // Call abort() or similar to perform LOG(FATAL) crash. static void @ac_cv___attribute___noreturn@ Fail(); std::ostream& stream(); int preserved_errno() const; // Must be called without the log_mutex held. (L < log_mutex) static int64 num_messages(int severity); const LogMessageTime& getLogMessageTime() const; struct LogMessageData; private: // Fully internal SendMethod cases: void SendToSinkAndLog(); // Send to sink if provided and dispatch to the logs void SendToSink(); // Send to sink if provided, do nothing otherwise. // Write to string if provided and dispatch to the logs. void WriteToStringAndLog(); void SaveOrSendToLog(); // Save to stringvec if provided, else to logs void Init(const char* file, int line, LogSeverity severity, void (LogMessage::*send_method)()); // Used to fill in crash information during LOG(FATAL) failures. void RecordCrashReason(glog_internal_namespace_::CrashReason* reason); // Counts of messages sent at each priority: static int64 num_messages_[NUM_SEVERITIES]; // under log_mutex // We keep the data in a separate struct so that each instance of // LogMessage uses less stack space. LogMessageData* allocated_; LogMessageData* data_; LogMessageTime logmsgtime_; friend class LogDestination; LogMessage(const LogMessage&); void operator=(const LogMessage&); }; // This class happens to be thread-hostile because all instances share // a single data buffer, but since it can only be created just before // the process dies, we don't worry so much. class GLOG_EXPORT LogMessageFatal : public LogMessage { public: LogMessageFatal(const char* file, int line); LogMessageFatal(const char* file, int line, const CheckOpString& result); @ac_cv___attribute___noreturn@ ~LogMessageFatal(); }; // A non-macro interface to the log facility; (useful // when the logging level is not a compile-time constant). inline void LogAtLevel(int const severity, std::string const &msg) { LogMessage(__FILE__, __LINE__, severity).stream() << msg; } // A macro alternative of LogAtLevel. New code may want to use this // version since there are two advantages: 1. this version outputs the // file name and the line number where this macro is put like other // LOG macros, 2. this macro can be used as C++ stream. #define LOG_AT_LEVEL(severity) @ac_google_namespace@::LogMessage(__FILE__, __LINE__, severity).stream() // Check if it's compiled in C++11 mode. // // GXX_EXPERIMENTAL_CXX0X is defined by gcc and clang up to at least // gcc-4.7 and clang-3.1 (2011-12-13). __cplusplus was defined to 1 // in gcc before 4.7 (Crosstool 16) and clang before 3.1, but is // defined according to the language version in effect thereafter. // Microsoft Visual Studio 14 (2015) sets __cplusplus==199711 despite // reasonably good C++11 support, so we set LANG_CXX for it and // newer versions (_MSC_VER >= 1900). #if (defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L || \ (defined(_MSC_VER) && _MSC_VER >= 1900)) && !defined(__UCLIBCXX_MAJOR__) // Helper for CHECK_NOTNULL(). // // In C++11, all cases can be handled by a single function. Since the value // category of the argument is preserved (also for rvalue references), // member initializer lists like the one below will compile correctly: // // Foo() // : x_(CHECK_NOTNULL(MethodReturningUniquePtr())) {} template T CheckNotNull(const char* file, int line, const char* names, T&& t) { if (t == nullptr) { LogMessageFatal(file, line, new std::string(names)); } return std::forward(t); } #else // A small helper for CHECK_NOTNULL(). template T* CheckNotNull(const char *file, int line, const char *names, T* t) { if (t == NULL) { LogMessageFatal(file, line, new std::string(names)); } return t; } #endif // Allow folks to put a counter in the LOG_EVERY_X()'ed messages. This // only works if ostream is a LogStream. If the ostream is not a // LogStream you'll get an assert saying as much at runtime. GLOG_EXPORT std::ostream& operator<<(std::ostream &os, const PRIVATE_Counter&); // Derived class for PLOG*() above. class GLOG_EXPORT ErrnoLogMessage : public LogMessage { public: ErrnoLogMessage(const char* file, int line, LogSeverity severity, int64 ctr, void (LogMessage::*send_method)()); // Postpends ": strerror(errno) [errno]". ~ErrnoLogMessage(); private: ErrnoLogMessage(const ErrnoLogMessage&); void operator=(const ErrnoLogMessage&); }; // This class is used to explicitly ignore values in the conditional // logging macros. This avoids compiler warnings like "value computed // is not used" and "statement has no effect". class GLOG_EXPORT LogMessageVoidify { public: LogMessageVoidify() { } // This has to be an operator with a precedence lower than << but // higher than ?: void operator&(std::ostream&) { } }; // Flushes all log files that contains messages that are at least of // the specified severity level. Thread-safe. GLOG_EXPORT void FlushLogFiles(LogSeverity min_severity); // Flushes all log files that contains messages that are at least of // the specified severity level. Thread-hostile because it ignores // locking -- used for catastrophic failures. GLOG_EXPORT void FlushLogFilesUnsafe(LogSeverity min_severity); // // Set the destination to which a particular severity level of log // messages is sent. If base_filename is "", it means "don't log this // severity". Thread-safe. // GLOG_EXPORT void SetLogDestination(LogSeverity severity, const char* base_filename); // // Set the basename of the symlink to the latest log file at a given // severity. If symlink_basename is empty, do not make a symlink. If // you don't call this function, the symlink basename is the // invocation name of the program. Thread-safe. // GLOG_EXPORT void SetLogSymlink(LogSeverity severity, const char* symlink_basename); // // Used to send logs to some other kind of destination // Users should subclass LogSink and override send to do whatever they want. // Implementations must be thread-safe because a shared instance will // be called from whichever thread ran the LOG(XXX) line. class GLOG_EXPORT LogSink { public: virtual ~LogSink(); // Sink's logging logic (message_len is such as to exclude '\n' at the end). // This method can't use LOG() or CHECK() as logging system mutex(s) are held // during this call. virtual void send(LogSeverity severity, const char* full_filename, const char* base_filename, int line, const LogMessageTime& logmsgtime, const char* message, size_t message_len); // Provide an overload for compatibility purposes GLOG_DEPRECATED virtual void send(LogSeverity severity, const char* full_filename, const char* base_filename, int line, const std::tm* t, const char* message, size_t message_len); // Redefine this to implement waiting for // the sink's logging logic to complete. // It will be called after each send() returns, // but before that LogMessage exits or crashes. // By default this function does nothing. // Using this function one can implement complex logic for send() // that itself involves logging; and do all this w/o causing deadlocks and // inconsistent rearrangement of log messages. // E.g. if a LogSink has thread-specific actions, the send() method // can simply add the message to a queue and wake up another thread that // handles real logging while itself making some LOG() calls; // WaitTillSent() can be implemented to wait for that logic to complete. // See our unittest for an example. virtual void WaitTillSent(); // Returns the normal text output of the log message. // Can be useful to implement send(). static std::string ToString(LogSeverity severity, const char* file, int line, const LogMessageTime &logmsgtime, const char* message, size_t message_len); }; // Add or remove a LogSink as a consumer of logging data. Thread-safe. GLOG_EXPORT void AddLogSink(LogSink *destination); GLOG_EXPORT void RemoveLogSink(LogSink *destination); // // Specify an "extension" added to the filename specified via // SetLogDestination. This applies to all severity levels. It's // often used to append the port we're listening on to the logfile // name. Thread-safe. // GLOG_EXPORT void SetLogFilenameExtension( const char* filename_extension); // // Make it so that all log messages of at least a particular severity // are logged to stderr (in addition to logging to the usual log // file(s)). Thread-safe. // GLOG_EXPORT void SetStderrLogging(LogSeverity min_severity); // // Make it so that all log messages go only to stderr. Thread-safe. // GLOG_EXPORT void LogToStderr(); // // Make it so that all log messages of at least a particular severity are // logged via email to a list of addresses (in addition to logging to the // usual log file(s)). The list of addresses is just a string containing // the email addresses to send to (separated by spaces, say). Thread-safe. // GLOG_EXPORT void SetEmailLogging(LogSeverity min_severity, const char* addresses); // A simple function that sends email. dest is a commma-separated // list of addressess. Thread-safe. GLOG_EXPORT bool SendEmail(const char *dest, const char *subject, const char *body); GLOG_EXPORT const std::vector& GetLoggingDirectories(); // For tests only: Clear the internal [cached] list of logging directories to // force a refresh the next time GetLoggingDirectories is called. // Thread-hostile. void TestOnly_ClearLoggingDirectoriesList(); // Returns a set of existing temporary directories, which will be a // subset of the directories returned by GetLoggingDirectories(). // Thread-safe. GLOG_EXPORT void GetExistingTempDirectories( std::vector* list); // Print any fatal message again -- useful to call from signal handler // so that the last thing in the output is the fatal message. // Thread-hostile, but a race is unlikely. GLOG_EXPORT void ReprintFatalMessage(); // Truncate a log file that may be the append-only output of multiple // processes and hence can't simply be renamed/reopened (typically a // stdout/stderr). If the file "path" is > "limit" bytes, copy the // last "keep" bytes to offset 0 and truncate the rest. Since we could // be racing with other writers, this approach has the potential to // lose very small amounts of data. For security, only follow symlinks // if the path is /proc/self/fd/* GLOG_EXPORT void TruncateLogFile(const char* path, uint64 limit, uint64 keep); // Truncate stdout and stderr if they are over the value specified by // --max_log_size; keep the final 1MB. This function has the same // race condition as TruncateLogFile. GLOG_EXPORT void TruncateStdoutStderr(); // Return the string representation of the provided LogSeverity level. // Thread-safe. GLOG_EXPORT const char* GetLogSeverityName(LogSeverity severity); // --------------------------------------------------------------------- // Implementation details that are not useful to most clients // --------------------------------------------------------------------- // A Logger is the interface used by logging modules to emit entries // to a log. A typical implementation will dump formatted data to a // sequence of files. We also provide interfaces that will forward // the data to another thread so that the invoker never blocks. // Implementations should be thread-safe since the logging system // will write to them from multiple threads. namespace base { class GLOG_EXPORT Logger { public: virtual ~Logger(); // Writes "message[0,message_len-1]" corresponding to an event that // occurred at "timestamp". If "force_flush" is true, the log file // is flushed immediately. // // The input message has already been formatted as deemed // appropriate by the higher level logging facility. For example, // textual log messages already contain timestamps, and the // file:linenumber header. virtual void Write(bool force_flush, time_t timestamp, const char* message, size_t message_len) = 0; // Flush any buffered messages virtual void Flush() = 0; // Get the current LOG file size. // The returned value is approximate since some // logged data may not have been flushed to disk yet. virtual uint32 LogSize() = 0; }; // Get the logger for the specified severity level. The logger // remains the property of the logging module and should not be // deleted by the caller. Thread-safe. extern GLOG_EXPORT Logger* GetLogger(LogSeverity level); // Set the logger for the specified severity level. The logger // becomes the property of the logging module and should not // be deleted by the caller. Thread-safe. extern GLOG_EXPORT void SetLogger(LogSeverity level, Logger* logger); } // glibc has traditionally implemented two incompatible versions of // strerror_r(). There is a poorly defined convention for picking the // version that we want, but it is not clear whether it even works with // all versions of glibc. // So, instead, we provide this wrapper that automatically detects the // version that is in use, and then implements POSIX semantics. // N.B. In addition to what POSIX says, we also guarantee that "buf" will // be set to an empty string, if this function failed. This means, in most // cases, you do not need to check the error code and you can directly // use the value of "buf". It will never have an undefined value. // DEPRECATED: Use StrError(int) instead. GLOG_EXPORT int posix_strerror_r(int err, char *buf, size_t len); // A thread-safe replacement for strerror(). Returns a string describing the // given POSIX error code. GLOG_EXPORT std::string StrError(int err); // A class for which we define operator<<, which does nothing. class GLOG_EXPORT NullStream : public LogMessage::LogStream { public: // Initialize the LogStream so the messages can be written somewhere // (they'll never be actually displayed). This will be needed if a // NullStream& is implicitly converted to LogStream&, in which case // the overloaded NullStream::operator<< will not be invoked. NullStream() : LogMessage::LogStream(message_buffer_, 1, 0) { } NullStream(const char* /*file*/, int /*line*/, const CheckOpString& /*result*/) : LogMessage::LogStream(message_buffer_, 1, 0) { } NullStream &stream() { return *this; } private: // A very short buffer for messages (which we discard anyway). This // will be needed if NullStream& converted to LogStream& (e.g. as a // result of a conditional expression). char message_buffer_[2]; }; // Do nothing. This operator is inline, allowing the message to be // compiled away. The message will not be compiled away if we do // something like (flag ? LOG(INFO) : LOG(ERROR)) << message; when // SKIP_LOG=WARNING. In those cases, NullStream will be implicitly // converted to LogStream and the message will be computed and then // quietly discarded. template inline NullStream& operator<<(NullStream &str, const T &) { return str; } // Similar to NullStream, but aborts the program (without stack // trace), like LogMessageFatal. class GLOG_EXPORT NullStreamFatal : public NullStream { public: NullStreamFatal() { } NullStreamFatal(const char* file, int line, const CheckOpString& result) : NullStream(file, line, result) { } #if defined(_MSC_VER) #pragma warning(push) #pragma warning(disable : 4722) #endif // _MSC_VER @ac_cv___attribute___noreturn@ ~NullStreamFatal() throw () { _exit(EXIT_FAILURE); } #if defined(_MSC_VER) #pragma warning(pop) #endif // _MSC_VER }; // Install a signal handler that will dump signal information and a stack // trace when the program crashes on certain signals. We'll install the // signal handler for the following signals. // // SIGSEGV, SIGILL, SIGFPE, SIGABRT, SIGBUS, and SIGTERM. // // By default, the signal handler will write the failure dump to the // standard error. You can customize the destination by installing your // own writer function by InstallFailureWriter() below. // // Note on threading: // // The function should be called before threads are created, if you want // to use the failure signal handler for all threads. The stack trace // will be shown only for the thread that receives the signal. In other // words, stack traces of other threads won't be shown. GLOG_EXPORT void InstallFailureSignalHandler(); // Installs a function that is used for writing the failure dump. "data" // is the pointer to the beginning of a message to be written, and "size" // is the size of the message. You should not expect the data is // terminated with '\0'. GLOG_EXPORT void InstallFailureWriter( void (*writer)(const char* data, size_t size)); @ac_google_end_namespace@ #pragma pop_macro("DECLARE_VARIABLE") #pragma pop_macro("DECLARE_bool") #pragma pop_macro("DECLARE_string") #pragma pop_macro("DECLARE_int32") #pragma pop_macro("DECLARE_uint32") #endif // GLOG_LOGGING_H glog-0.6.0/src/glog/platform.h000066400000000000000000000045421422266545700162030ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Shinichiro Hamaji // // Detect supported platforms. #ifndef GLOG_PLATFORM_H #define GLOG_PLATFORM_H #if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) #define GLOG_OS_WINDOWS #elif defined(__CYGWIN__) || defined(__CYGWIN32__) #define GLOG_OS_CYGWIN #elif defined(linux) || defined(__linux) || defined(__linux__) #ifndef GLOG_OS_LINUX #define GLOG_OS_LINUX #endif #elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) #define GLOG_OS_MACOSX #elif defined(__FreeBSD__) #define GLOG_OS_FREEBSD #elif defined(__NetBSD__) #define GLOG_OS_NETBSD #elif defined(__OpenBSD__) #define GLOG_OS_OPENBSD #else // TODO(hamaji): Add other platforms. #error Platform not supported by glog. Please consider to contribute platform information by submitting a pull request on Github. #endif #endif // GLOG_PLATFORM_H glog-0.6.0/src/glog/raw_logging.h.in000066400000000000000000000153501422266545700172620ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Maxim Lifantsev // // Thread-safe logging routines that do not allocate any memory or // acquire any locks, and can therefore be used by low-level memory // allocation and synchronization code. #ifndef GLOG_RAW_LOGGING_H #define GLOG_RAW_LOGGING_H #include @ac_google_start_namespace@ #include #include #include #if defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wvariadic-macros" #endif // This is similar to LOG(severity) << format... and VLOG(level) << format.., // but // * it is to be used ONLY by low-level modules that can't use normal LOG() // * it is desiged to be a low-level logger that does not allocate any // memory and does not need any locks, hence: // * it logs straight and ONLY to STDERR w/o buffering // * it uses an explicit format and arguments list // * it will silently chop off really long message strings // Usage example: // RAW_LOG(ERROR, "Failed foo with %i: %s", status, error); // RAW_VLOG(3, "status is %i", status); // These will print an almost standard log lines like this to stderr only: // E20200821 211317 file.cc:123] RAW: Failed foo with 22: bad_file // I20200821 211317 file.cc:142] RAW: status is 20 #define RAW_LOG(severity, ...) \ do { \ switch (@ac_google_namespace@::GLOG_ ## severity) { \ case 0: \ RAW_LOG_INFO(__VA_ARGS__); \ break; \ case 1: \ RAW_LOG_WARNING(__VA_ARGS__); \ break; \ case 2: \ RAW_LOG_ERROR(__VA_ARGS__); \ break; \ case 3: \ RAW_LOG_FATAL(__VA_ARGS__); \ break; \ default: \ break; \ } \ } while (0) // The following STRIP_LOG testing is performed in the header file so that it's // possible to completely compile out the logging code and the log messages. #if !defined(STRIP_LOG) || STRIP_LOG == 0 #define RAW_VLOG(verboselevel, ...) \ do { \ if (VLOG_IS_ON(verboselevel)) { \ RAW_LOG_INFO(__VA_ARGS__); \ } \ } while (0) #else #define RAW_VLOG(verboselevel, ...) RawLogStub__(0, __VA_ARGS__) #endif // STRIP_LOG == 0 #if !defined(STRIP_LOG) || STRIP_LOG == 0 #define RAW_LOG_INFO(...) @ac_google_namespace@::RawLog__(@ac_google_namespace@::GLOG_INFO, \ __FILE__, __LINE__, __VA_ARGS__) #else #define RAW_LOG_INFO(...) @ac_google_namespace@::RawLogStub__(0, __VA_ARGS__) #endif // STRIP_LOG == 0 #if !defined(STRIP_LOG) || STRIP_LOG <= 1 #define RAW_LOG_WARNING(...) @ac_google_namespace@::RawLog__(@ac_google_namespace@::GLOG_WARNING, \ __FILE__, __LINE__, __VA_ARGS__) #else #define RAW_LOG_WARNING(...) @ac_google_namespace@::RawLogStub__(0, __VA_ARGS__) #endif // STRIP_LOG <= 1 #if !defined(STRIP_LOG) || STRIP_LOG <= 2 #define RAW_LOG_ERROR(...) @ac_google_namespace@::RawLog__(@ac_google_namespace@::GLOG_ERROR, \ __FILE__, __LINE__, __VA_ARGS__) #else #define RAW_LOG_ERROR(...) @ac_google_namespace@::RawLogStub__(0, __VA_ARGS__) #endif // STRIP_LOG <= 2 #if !defined(STRIP_LOG) || STRIP_LOG <= 3 #define RAW_LOG_FATAL(...) @ac_google_namespace@::RawLog__(@ac_google_namespace@::GLOG_FATAL, \ __FILE__, __LINE__, __VA_ARGS__) #else #define RAW_LOG_FATAL(...) \ do { \ @ac_google_namespace@::RawLogStub__(0, __VA_ARGS__); \ exit(EXIT_FAILURE); \ } while (0) #endif // STRIP_LOG <= 3 // Similar to CHECK(condition) << message, // but for low-level modules: we use only RAW_LOG that does not allocate memory. // We do not want to provide args list here to encourage this usage: // if (!cond) RAW_LOG(FATAL, "foo ...", hard_to_compute_args); // so that the args are not computed when not needed. #define RAW_CHECK(condition, message) \ do { \ if (!(condition)) { \ RAW_LOG(FATAL, "Check %s failed: %s", #condition, message); \ } \ } while (0) // Debug versions of RAW_LOG and RAW_CHECK #ifndef NDEBUG #define RAW_DLOG(severity, ...) RAW_LOG(severity, __VA_ARGS__) #define RAW_DCHECK(condition, message) RAW_CHECK(condition, message) #else // NDEBUG #define RAW_DLOG(severity, ...) \ while (false) \ RAW_LOG(severity, __VA_ARGS__) #define RAW_DCHECK(condition, message) \ while (false) \ RAW_CHECK(condition, message) #endif // NDEBUG #if defined(__GNUC__) #pragma GCC diagnostic pop #endif // Stub log function used to work around for unused variable warnings when // building with STRIP_LOG > 0. static inline void RawLogStub__(int /* ignored */, ...) { } // Helper function to implement RAW_LOG and RAW_VLOG // Logs format... at "severity" level, reporting it // as called from file:line. // This does not allocate memory or acquire locks. GLOG_EXPORT void RawLog__(LogSeverity severity, const char* file, int line, const char* format, ...) @ac_cv___attribute___printf_4_5@; @ac_google_end_namespace@ #endif // GLOG_RAW_LOGGING_H glog-0.6.0/src/glog/stl_logging.h.in000066400000000000000000000176471422266545700173060ustar00rootroot00000000000000// Copyright (c) 2003, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Stream output operators for STL containers; to be used for logging *only*. // Inclusion of this file lets you do: // // list x; // LOG(INFO) << "data: " << x; // vector v1, v2; // CHECK_EQ(v1, v2); // // If you want to use this header file with hash maps or slist, you // need to define macros before including this file: // // - GLOG_STL_LOGGING_FOR_UNORDERED - and // - GLOG_STL_LOGGING_FOR_TR1_UNORDERED - // - GLOG_STL_LOGGING_FOR_EXT_HASH - // - GLOG_STL_LOGGING_FOR_EXT_SLIST - // #ifndef UTIL_GTL_STL_LOGGING_INL_H_ #define UTIL_GTL_STL_LOGGING_INL_H_ #if !@ac_cv_cxx_using_operator@ # error We do not support stl_logging for this compiler #endif #include #include #include #include #include #include #include #if defined(GLOG_STL_LOGGING_FOR_UNORDERED) && __cplusplus >= 201103L # include # include #endif #ifdef GLOG_STL_LOGGING_FOR_TR1_UNORDERED # include # include #endif #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH # include # include #endif #ifdef GLOG_STL_LOGGING_FOR_EXT_SLIST # include #endif // Forward declare these two, and define them after all the container streams // operators so that we can recurse from pair -> container -> container -> pair // properly. template std::ostream& operator<<(std::ostream& out, const std::pair& p); @ac_google_start_namespace@ template void PrintSequence(std::ostream& out, Iter begin, Iter end); @ac_google_end_namespace@ #define OUTPUT_TWO_ARG_CONTAINER(Sequence) \ template \ inline std::ostream& operator<<(std::ostream& out, \ const Sequence& seq) { \ @ac_google_namespace@::PrintSequence(out, seq.begin(), seq.end()); \ return out; \ } OUTPUT_TWO_ARG_CONTAINER(std::vector) OUTPUT_TWO_ARG_CONTAINER(std::deque) OUTPUT_TWO_ARG_CONTAINER(std::list) #ifdef GLOG_STL_LOGGING_FOR_EXT_SLIST OUTPUT_TWO_ARG_CONTAINER(__gnu_cxx::slist) #endif #undef OUTPUT_TWO_ARG_CONTAINER #define OUTPUT_THREE_ARG_CONTAINER(Sequence) \ template \ inline std::ostream& operator<<(std::ostream& out, \ const Sequence& seq) { \ @ac_google_namespace@::PrintSequence(out, seq.begin(), seq.end()); \ return out; \ } OUTPUT_THREE_ARG_CONTAINER(std::set) OUTPUT_THREE_ARG_CONTAINER(std::multiset) #undef OUTPUT_THREE_ARG_CONTAINER #define OUTPUT_FOUR_ARG_CONTAINER(Sequence) \ template \ inline std::ostream& operator<<(std::ostream& out, \ const Sequence& seq) { \ @ac_google_namespace@::PrintSequence(out, seq.begin(), seq.end()); \ return out; \ } OUTPUT_FOUR_ARG_CONTAINER(std::map) OUTPUT_FOUR_ARG_CONTAINER(std::multimap) #if defined(GLOG_STL_LOGGING_FOR_UNORDERED) && __cplusplus >= 201103L OUTPUT_FOUR_ARG_CONTAINER(std::unordered_set) OUTPUT_FOUR_ARG_CONTAINER(std::unordered_multiset) #endif #ifdef GLOG_STL_LOGGING_FOR_TR1_UNORDERED OUTPUT_FOUR_ARG_CONTAINER(std::tr1::unordered_set) OUTPUT_FOUR_ARG_CONTAINER(std::tr1::unordered_multiset) #endif #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH OUTPUT_FOUR_ARG_CONTAINER(__gnu_cxx::hash_set) OUTPUT_FOUR_ARG_CONTAINER(__gnu_cxx::hash_multiset) #endif #undef OUTPUT_FOUR_ARG_CONTAINER #define OUTPUT_FIVE_ARG_CONTAINER(Sequence) \ template \ inline std::ostream& operator<<(std::ostream& out, \ const Sequence& seq) { \ @ac_google_namespace@::PrintSequence(out, seq.begin(), seq.end()); \ return out; \ } #if defined(GLOG_STL_LOGGING_FOR_UNORDERED) && __cplusplus >= 201103L OUTPUT_FIVE_ARG_CONTAINER(std::unordered_map) OUTPUT_FIVE_ARG_CONTAINER(std::unordered_multimap) #endif #ifdef GLOG_STL_LOGGING_FOR_TR1_UNORDERED OUTPUT_FIVE_ARG_CONTAINER(std::tr1::unordered_map) OUTPUT_FIVE_ARG_CONTAINER(std::tr1::unordered_multimap) #endif #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH OUTPUT_FIVE_ARG_CONTAINER(__gnu_cxx::hash_map) OUTPUT_FIVE_ARG_CONTAINER(__gnu_cxx::hash_multimap) #endif #undef OUTPUT_FIVE_ARG_CONTAINER template inline std::ostream& operator<<(std::ostream& out, const std::pair& p) { out << '(' << p.first << ", " << p.second << ')'; return out; } @ac_google_start_namespace@ template inline void PrintSequence(std::ostream& out, Iter begin, Iter end) { // Output at most 100 elements -- appropriate if used for logging. for (int i = 0; begin != end && i < 100; ++i, ++begin) { if (i > 0) out << ' '; out << *begin; } if (begin != end) { out << " ..."; } } @ac_google_end_namespace@ // Note that this is technically undefined behavior! We are adding things into // the std namespace for a reason though -- we are providing new operations on // types which are themselves defined with this namespace. Without this, these // operator overloads cannot be found via ADL. If these definitions are not // found via ADL, they must be #included before they're used, which requires // this header to be included before apparently independent other headers. // // For example, base/logging.h defines various template functions to implement // CHECK_EQ(x, y) and stream x and y into the log in the event the check fails. // It does so via the function template MakeCheckOpValueString: // template // void MakeCheckOpValueString(strstream* ss, const T& v) { // (*ss) << v; // } // Because 'glog/logging.h' is included before 'glog/stl_logging.h', // subsequent CHECK_EQ(v1, v2) for vector<...> typed variable v1 and v2 can only // find these operator definitions via ADL. // // Even this solution has problems -- it may pull unintended operators into the // namespace as well, allowing them to also be found via ADL, and creating code // that only works with a particular order of includes. Long term, we need to // move all of the *definitions* into namespace std, bet we need to ensure no // one references them first. This lets us take that step. We cannot define them // in both because that would create ambiguous overloads when both are found. namespace std { using ::operator<<; } #endif // UTIL_GTL_STL_LOGGING_INL_H_ glog-0.6.0/src/glog/vlog_is_on.h.in000066400000000000000000000126061422266545700171220ustar00rootroot00000000000000// Copyright (c) 1999, 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Ray Sidney and many others // // Defines the VLOG_IS_ON macro that controls the variable-verbosity // conditional logging. // // It's used by VLOG and VLOG_IF in logging.h // and by RAW_VLOG in raw_logging.h to trigger the logging. // // It can also be used directly e.g. like this: // if (VLOG_IS_ON(2)) { // // do some logging preparation and logging // // that can't be accomplished e.g. via just VLOG(2) << ...; // } // // The truth value that VLOG_IS_ON(level) returns is determined by // the three verbosity level flags: // --v= Gives the default maximal active V-logging level; // 0 is the default. // Normally positive values are used for V-logging levels. // --vmodule= Gives the per-module maximal V-logging levels to override // the value given by --v. // E.g. "my_module=2,foo*=3" would change the logging level // for all code in source files "my_module.*" and "foo*.*" // ("-inl" suffixes are also disregarded for this matching). // // SetVLOGLevel helper function is provided to do limited dynamic control over // V-logging by overriding the per-module settings given via --vmodule flag. // // CAVEAT: --vmodule functionality is not available in non gcc compilers. // #ifndef BASE_VLOG_IS_ON_H_ #define BASE_VLOG_IS_ON_H_ #include #if defined(__GNUC__) // We emit an anonymous static int* variable at every VLOG_IS_ON(n) site. // (Normally) the first time every VLOG_IS_ON(n) site is hit, // we determine what variable will dynamically control logging at this site: // it's either FLAGS_v or an appropriate internal variable // matching the current source file that represents results of // parsing of --vmodule flag and/or SetVLOGLevel calls. #define VLOG_IS_ON(verboselevel) \ __extension__ \ ({ static @ac_google_namespace@::SiteFlag vlocal__ = {NULL, NULL, 0, NULL}; \ @ac_google_namespace@::int32 verbose_level__ = (verboselevel); \ (vlocal__.level == NULL ? @ac_google_namespace@::InitVLOG3__(&vlocal__, &FLAGS_v, \ __FILE__, verbose_level__) : *vlocal__.level >= verbose_level__); \ }) #else // GNU extensions not available, so we do not support --vmodule. // Dynamic value of FLAGS_v always controls the logging level. #define VLOG_IS_ON(verboselevel) (FLAGS_v >= (verboselevel)) #endif // Set VLOG(_IS_ON) level for module_pattern to log_level. // This lets us dynamically control what is normally set by the --vmodule flag. // Returns the level that previously applied to module_pattern. // NOTE: To change the log level for VLOG(_IS_ON) sites // that have already executed after/during InitGoogleLogging, // one needs to supply the exact --vmodule pattern that applied to them. // (If no --vmodule pattern applied to them // the value of FLAGS_v will continue to control them.) extern GLOG_EXPORT int SetVLOGLevel(const char* module_pattern, int log_level); // Various declarations needed for VLOG_IS_ON above: ========================= struct SiteFlag { @ac_google_namespace@::int32* level; const char* base_name; size_t base_len; SiteFlag* next; }; // Helper routine which determines the logging info for a particalur VLOG site. // site_flag is the address of the site-local pointer to the controlling // verbosity level // site_default is the default to use for *site_flag // fname is the current source file name // verbose_level is the argument to VLOG_IS_ON // We will return the return value for VLOG_IS_ON // and if possible set *site_flag appropriately. extern GLOG_EXPORT bool InitVLOG3__( @ac_google_namespace@::SiteFlag* site_flag, @ac_google_namespace@::int32* site_default, const char* fname, @ac_google_namespace@::int32 verbose_level); #endif // BASE_VLOG_IS_ON_H_ glog-0.6.0/src/googletest.h000066400000000000000000000525031422266545700156030ustar00rootroot00000000000000// Copyright (c) 2009, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Shinichiro Hamaji // (based on googletest: http://code.google.com/p/googletest/) #ifdef GOOGLETEST_H__ #error You must not include this file twice. #endif #define GOOGLETEST_H__ #include "utilities.h" #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_UNISTD_H # include #endif #include "base/commandlineflags.h" #if __cplusplus < 201103L && !defined(_MSC_VER) #define GOOGLE_GLOG_THROW_BAD_ALLOC throw (std::bad_alloc) #else #define GOOGLE_GLOG_THROW_BAD_ALLOC #endif using std::map; using std::string; using std::vector; _START_GOOGLE_NAMESPACE_ extern GLOG_EXPORT void (*g_logging_fail_func)(); _END_GOOGLE_NAMESPACE_ #undef GLOG_EXPORT #define GLOG_EXPORT static inline string GetTempDir() { vector temp_directories_list; google::GetExistingTempDirectories(&temp_directories_list); if (temp_directories_list.empty()) { fprintf(stderr, "No temporary directory found\n"); exit(EXIT_FAILURE); } // Use first directory from list of existing temporary directories. return temp_directories_list.front(); } #if defined(GLOG_OS_WINDOWS) && defined(_MSC_VER) && !defined(TEST_SRC_DIR) // The test will run in glog/vsproject/ // (e.g., glog/vsproject/logging_unittest). static const char TEST_SRC_DIR[] = "../.."; #elif !defined(TEST_SRC_DIR) # warning TEST_SRC_DIR should be defined in config.h static const char TEST_SRC_DIR[] = "."; #endif static const uint32_t PTR_TEST_VALUE = 0x12345678; DEFINE_string(test_tmpdir, GetTempDir(), "Dir we use for temp files"); DEFINE_string(test_srcdir, TEST_SRC_DIR, "Source-dir root, needed to find glog_unittest_flagfile"); DEFINE_bool(run_benchmark, false, "If true, run benchmarks"); #ifdef NDEBUG DEFINE_int32(benchmark_iters, 100000000, "Number of iterations per benchmark"); #else DEFINE_int32(benchmark_iters, 100000, "Number of iterations per benchmark"); #endif #ifdef HAVE_LIB_GTEST # include // Use our ASSERT_DEATH implementation. # undef ASSERT_DEATH # undef ASSERT_DEBUG_DEATH using testing::InitGoogleTest; #else _START_GOOGLE_NAMESPACE_ void InitGoogleTest(int*, char**); void InitGoogleTest(int*, char**) {} // The following is some bare-bones testing infrastructure #define EXPECT_NEAR(val1, val2, abs_error) \ do { \ if (abs(val1 - val2) > abs_error) { \ fprintf(stderr, "Check failed: %s within %s of %s\n", #val1, #abs_error, \ #val2); \ exit(EXIT_FAILURE); \ } \ } while (0) #define EXPECT_TRUE(cond) \ do { \ if (!(cond)) { \ fprintf(stderr, "Check failed: %s\n", #cond); \ exit(EXIT_FAILURE); \ } \ } while (0) #define EXPECT_FALSE(cond) EXPECT_TRUE(!(cond)) #define EXPECT_OP(op, val1, val2) \ do { \ if (!((val1) op (val2))) { \ fprintf(stderr, "Check failed: %s %s %s\n", #val1, #op, #val2); \ exit(EXIT_FAILURE); \ } \ } while (0) #define EXPECT_EQ(val1, val2) EXPECT_OP(==, val1, val2) #define EXPECT_NE(val1, val2) EXPECT_OP(!=, val1, val2) #define EXPECT_GT(val1, val2) EXPECT_OP(>, val1, val2) #define EXPECT_LT(val1, val2) EXPECT_OP(<, val1, val2) #define EXPECT_NAN(arg) \ do { \ if (!isnan(arg)) { \ fprintf(stderr, "Check failed: isnan(%s)\n", #arg); \ exit(EXIT_FAILURE); \ } \ } while (0) #define EXPECT_INF(arg) \ do { \ if (!isinf(arg)) { \ fprintf(stderr, "Check failed: isinf(%s)\n", #arg); \ exit(EXIT_FAILURE); \ } \ } while (0) #define EXPECT_DOUBLE_EQ(val1, val2) \ do { \ if (((val1) < (val2) - 0.001 || (val1) > (val2) + 0.001)) { \ fprintf(stderr, "Check failed: %s == %s\n", #val1, #val2); \ exit(EXIT_FAILURE); \ } \ } while (0) #define EXPECT_STREQ(val1, val2) \ do { \ if (strcmp((val1), (val2)) != 0) { \ fprintf(stderr, "Check failed: streq(%s, %s)\n", #val1, #val2); \ exit(EXIT_FAILURE); \ } \ } while (0) vector g_testlist; // the tests to run #define TEST(a, b) \ struct Test_##a##_##b { \ Test_##a##_##b() { g_testlist.push_back(&Run); } \ static void Run() { FlagSaver fs; RunTest(); } \ static void RunTest(); \ }; \ static Test_##a##_##b g_test_##a##_##b; \ void Test_##a##_##b::RunTest() static inline int RUN_ALL_TESTS() { vector::const_iterator it; for (it = g_testlist.begin(); it != g_testlist.end(); ++it) { (*it)(); } fprintf(stderr, "Passed %d tests\n\nPASS\n", static_cast(g_testlist.size())); return 0; } _END_GOOGLE_NAMESPACE_ #endif // ! HAVE_LIB_GTEST _START_GOOGLE_NAMESPACE_ static bool g_called_abort; static jmp_buf g_jmp_buf; static inline void CalledAbort() { g_called_abort = true; longjmp(g_jmp_buf, 1); } #ifdef GLOG_OS_WINDOWS // TODO(hamaji): Death test somehow doesn't work in Windows. #define ASSERT_DEATH(fn, msg) #else #define ASSERT_DEATH(fn, msg) \ do { \ g_called_abort = false; \ /* in logging.cc */ \ void (*original_logging_fail_func)() = g_logging_fail_func; \ g_logging_fail_func = &CalledAbort; \ if (!setjmp(g_jmp_buf)) fn; \ /* set back to their default */ \ g_logging_fail_func = original_logging_fail_func; \ if (!g_called_abort) { \ fprintf(stderr, "Function didn't die (%s): %s\n", msg, #fn); \ exit(EXIT_FAILURE); \ } \ } while (0) #endif #ifdef NDEBUG #define ASSERT_DEBUG_DEATH(fn, msg) #else #define ASSERT_DEBUG_DEATH(fn, msg) ASSERT_DEATH(fn, msg) #endif // NDEBUG // Benchmark tools. #define BENCHMARK(n) static BenchmarkRegisterer __benchmark_ ## n (#n, &n); map g_benchlist; // the benchmarks to run class BenchmarkRegisterer { public: BenchmarkRegisterer(const char* name, void (*function)(int iters)) { EXPECT_TRUE(g_benchlist.insert(std::make_pair(name, function)).second); } }; static inline void RunSpecifiedBenchmarks() { if (!FLAGS_run_benchmark) { return; } int iter_cnt = FLAGS_benchmark_iters; puts("Benchmark\tTime(ns)\tIterations"); for (map::const_iterator iter = g_benchlist.begin(); iter != g_benchlist.end(); ++iter) { clock_t start = clock(); iter->second(iter_cnt); double elapsed_ns = (static_cast(clock()) - start) / CLOCKS_PER_SEC * 1000 * 1000 * 1000; #if defined(__GNUC__) && !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wformat=" #endif printf("%s\t%8.2lf\t%10d\n", iter->first.c_str(), elapsed_ns / iter_cnt, iter_cnt); #if defined(__GNUC__) && !defined(__clang__) #pragma GCC diagnostic pop #endif } puts(""); } // ---------------------------------------------------------------------- // Golden file functions // ---------------------------------------------------------------------- class CapturedStream { public: CapturedStream(int fd, const string & filename) : fd_(fd), uncaptured_fd_(-1), filename_(filename) { Capture(); } ~CapturedStream() { if (uncaptured_fd_ != -1) { CHECK(close(uncaptured_fd_) != -1); } } // Start redirecting output to a file void Capture() { // Keep original stream for later CHECK(uncaptured_fd_ == -1) << ", Stream " << fd_ << " already captured!"; uncaptured_fd_ = dup(fd_); CHECK(uncaptured_fd_ != -1); // Open file to save stream to int cap_fd = open(filename_.c_str(), O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR); CHECK(cap_fd != -1); // Send stdout/stderr to this file fflush(NULL); CHECK(dup2(cap_fd, fd_) != -1); CHECK(close(cap_fd) != -1); } // Remove output redirection void StopCapture() { // Restore original stream if (uncaptured_fd_ != -1) { fflush(NULL); CHECK(dup2(uncaptured_fd_, fd_) != -1); } } const string & filename() const { return filename_; } private: int fd_; // file descriptor being captured int uncaptured_fd_; // where the stream was originally being sent to string filename_; // file where stream is being saved }; static CapturedStream * s_captured_streams[STDERR_FILENO+1]; // Redirect a file descriptor to a file. // fd - Should be STDOUT_FILENO or STDERR_FILENO // filename - File where output should be stored static inline void CaptureTestOutput(int fd, const string & filename) { CHECK((fd == STDOUT_FILENO) || (fd == STDERR_FILENO)); CHECK(s_captured_streams[fd] == NULL); s_captured_streams[fd] = new CapturedStream(fd, filename); } static inline void CaptureTestStdout() { CaptureTestOutput(STDOUT_FILENO, FLAGS_test_tmpdir + "/captured.out"); } static inline void CaptureTestStderr() { CaptureTestOutput(STDERR_FILENO, FLAGS_test_tmpdir + "/captured.err"); } // Return the size (in bytes) of a file static inline size_t GetFileSize(FILE * file) { fseek(file, 0, SEEK_END); return static_cast(ftell(file)); } // Read the entire content of a file as a string static inline string ReadEntireFile(FILE * file) { const size_t file_size = GetFileSize(file); char * const buffer = new char[file_size]; size_t bytes_last_read = 0; // # of bytes read in the last fread() size_t bytes_read = 0; // # of bytes read so far fseek(file, 0, SEEK_SET); // Keep reading the file until we cannot read further or the // pre-determined file size is reached. do { bytes_last_read = fread(buffer+bytes_read, 1, file_size-bytes_read, file); bytes_read += bytes_last_read; } while (bytes_last_read > 0 && bytes_read < file_size); const string content = string(buffer, buffer+bytes_read); delete[] buffer; return content; } // Get the captured stdout (when fd is STDOUT_FILENO) or stderr (when // fd is STDERR_FILENO) as a string static inline string GetCapturedTestOutput(int fd) { CHECK(fd == STDOUT_FILENO || fd == STDERR_FILENO); CapturedStream * const cap = s_captured_streams[fd]; CHECK(cap) << ": did you forget CaptureTestStdout() or CaptureTestStderr()?"; // Make sure everything is flushed. cap->StopCapture(); // Read the captured file. FILE * const file = fopen(cap->filename().c_str(), "r"); const string content = ReadEntireFile(file); fclose(file); delete cap; s_captured_streams[fd] = NULL; return content; } // Get the captured stderr of a test as a string. static inline string GetCapturedTestStderr() { return GetCapturedTestOutput(STDERR_FILENO); } static const std::size_t kLoggingPrefixLength = 9; // Check if the string is [IWEF](\d{8}|YEARDATE) static inline bool IsLoggingPrefix(const string& s) { if (s.size() != kLoggingPrefixLength) { return false; } if (!strchr("IWEF", s[0])) return false; for (size_t i = 1; i <= 8; ++i) { if (!isdigit(s[i]) && s[i] != "YEARDATE"[i-1]) return false; } return true; } // Convert log output into normalized form. // // Example: // I20200102 030405 logging_unittest.cc:345] RAW: vlog -1 // => IYEARDATE TIME__ logging_unittest.cc:LINE] RAW: vlog -1 static inline string MungeLine(const string& line) { string before, logcode_date, time, thread_lineinfo; std::size_t begin_of_logging_prefix = 0; for (; begin_of_logging_prefix + kLoggingPrefixLength < line.size(); ++begin_of_logging_prefix) { if (IsLoggingPrefix( line.substr(begin_of_logging_prefix, kLoggingPrefixLength))) { break; } } if (begin_of_logging_prefix + kLoggingPrefixLength >= line.size()) { return line; } else if (begin_of_logging_prefix > 0) { before = line.substr(0, begin_of_logging_prefix - 1); } std::istringstream iss(line.substr(begin_of_logging_prefix)); iss >> logcode_date; iss >> time; iss >> thread_lineinfo; CHECK(!thread_lineinfo.empty()); if (thread_lineinfo[thread_lineinfo.size() - 1] != ']') { // We found thread ID. string tmp; iss >> tmp; CHECK(!tmp.empty()); CHECK_EQ(']', tmp[tmp.size() - 1]); thread_lineinfo = "THREADID " + tmp; } size_t index = thread_lineinfo.find(':'); CHECK_NE(string::npos, index); thread_lineinfo = thread_lineinfo.substr(0, index+1) + "LINE]"; string rest; std::getline(iss, rest); return (before + logcode_date[0] + "YEARDATE TIME__ " + thread_lineinfo + MungeLine(rest)); } static inline void StringReplace(string* str, const string& oldsub, const string& newsub) { size_t pos = str->find(oldsub); if (pos != string::npos) { str->replace(pos, oldsub.size(), newsub); } } static inline string Munge(const string& filename) { FILE* fp = fopen(filename.c_str(), "rb"); CHECK(fp != NULL) << filename << ": couldn't open"; char buf[4096]; string result; while (fgets(buf, 4095, fp)) { string line = MungeLine(buf); const size_t str_size = 256; char null_str[str_size]; char ptr_str[str_size]; snprintf(null_str, str_size, "%p", static_cast(NULL)); snprintf(ptr_str, str_size, "%p", reinterpret_cast(PTR_TEST_VALUE)); StringReplace(&line, "__NULLP__", null_str); StringReplace(&line, "__PTRTEST__", ptr_str); StringReplace(&line, "__SUCCESS__", StrError(0)); StringReplace(&line, "__ENOENT__", StrError(ENOENT)); StringReplace(&line, "__EINTR__", StrError(EINTR)); StringReplace(&line, "__ENXIO__", StrError(ENXIO)); StringReplace(&line, "__ENOEXEC__", StrError(ENOEXEC)); result += line + "\n"; } fclose(fp); return result; } static inline void WriteToFile(const string& body, const string& file) { FILE* fp = fopen(file.c_str(), "wb"); fwrite(body.data(), 1, body.size(), fp); fclose(fp); } static inline bool MungeAndDiffTest(const string& golden_filename, CapturedStream* cap) { if (cap == s_captured_streams[STDOUT_FILENO]) { CHECK(cap) << ": did you forget CaptureTestStdout()?"; } else { CHECK(cap) << ": did you forget CaptureTestStderr()?"; } cap->StopCapture(); // Run munge const string captured = Munge(cap->filename()); const string golden = Munge(golden_filename); if (captured != golden) { fprintf(stderr, "Test with golden file failed. We'll try to show the diff:\n"); string munged_golden = golden_filename + ".munged"; WriteToFile(golden, munged_golden); string munged_captured = cap->filename() + ".munged"; WriteToFile(captured, munged_captured); #ifdef GLOG_OS_WINDOWS string diffcmd("fc " + munged_golden + " " + munged_captured); #else string diffcmd("diff -u " + munged_golden + " " + munged_captured); #endif if (system(diffcmd.c_str()) != 0) { fprintf(stderr, "diff command was failed.\n"); } unlink(munged_golden.c_str()); unlink(munged_captured.c_str()); return false; } LOG(INFO) << "Diff was successful"; return true; } static inline bool MungeAndDiffTestStderr(const string& golden_filename) { return MungeAndDiffTest(golden_filename, s_captured_streams[STDERR_FILENO]); } static inline bool MungeAndDiffTestStdout(const string& golden_filename) { return MungeAndDiffTest(golden_filename, s_captured_streams[STDOUT_FILENO]); } // Save flags used from logging_unittest.cc. #ifndef HAVE_LIB_GFLAGS struct FlagSaver { FlagSaver() : v_(FLAGS_v), stderrthreshold_(FLAGS_stderrthreshold), logtostderr_(FLAGS_logtostderr), alsologtostderr_(FLAGS_alsologtostderr) {} ~FlagSaver() { FLAGS_v = v_; FLAGS_stderrthreshold = stderrthreshold_; FLAGS_logtostderr = logtostderr_; FLAGS_alsologtostderr = alsologtostderr_; } int v_; int stderrthreshold_; bool logtostderr_; bool alsologtostderr_; }; #endif class Thread { public: virtual ~Thread() {} void SetJoinable(bool) {} #if defined(GLOG_OS_WINDOWS) && !defined(GLOG_OS_CYGWIN) void Start() { handle_ = CreateThread(NULL, 0, &Thread::InvokeThreadW, this, 0, &th_); CHECK(handle_) << "CreateThread"; } void Join() { WaitForSingleObject(handle_, INFINITE); } #elif defined(HAVE_PTHREAD) void Start() { pthread_create(&th_, NULL, &Thread::InvokeThread, this); } void Join() { pthread_join(th_, NULL); } #else # error No thread implementation. #endif protected: virtual void Run() = 0; private: static void* InvokeThread(void* self) { (static_cast(self))->Run(); return NULL; } #if defined(GLOG_OS_WINDOWS) && !defined(GLOG_OS_CYGWIN) static DWORD __stdcall InvokeThreadW(LPVOID self) { InvokeThread(self); return 0; } HANDLE handle_; DWORD th_; #else pthread_t th_; #endif }; static inline void SleepForMilliseconds(unsigned t) { #ifndef GLOG_OS_WINDOWS # if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309L const struct timespec req = {0, t * 1000 * 1000}; nanosleep(&req, NULL); # else usleep(t * 1000); # endif #else Sleep(t); #endif } // Add hook for operator new to ensure there are no memory allocation. void (*g_new_hook)() = NULL; _END_GOOGLE_NAMESPACE_ void* operator new(size_t size) GOOGLE_GLOG_THROW_BAD_ALLOC { if (GOOGLE_NAMESPACE::g_new_hook) { GOOGLE_NAMESPACE::g_new_hook(); } return malloc(size); } void* operator new[](size_t size) GOOGLE_GLOG_THROW_BAD_ALLOC { return ::operator new(size); } void operator delete(void* p) throw() { free(p); } void operator delete(void* p, size_t) throw() { ::operator delete(p); } void operator delete[](void* p) throw() { ::operator delete(p); } void operator delete[](void* p, size_t) throw() { ::operator delete(p); } glog-0.6.0/src/logging.cc000066400000000000000000002620531422266545700152160ustar00rootroot00000000000000// Copyright (c) 1999, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #define _GNU_SOURCE 1 // needed for O_NOFOLLOW and pread()/pwrite() #include "utilities.h" #include #include #include #include #ifdef HAVE_UNISTD_H # include // For _exit. #endif #include #include #include #ifdef HAVE_SYS_UTSNAME_H # include // For uname. #endif #include #include #include #include #include #include #ifdef HAVE_PWD_H # include #endif #ifdef HAVE_SYSLOG_H # include #endif #include #include // for errno #include #ifdef GLOG_OS_WINDOWS #include "windows/dirent.h" #else #include // for automatic removal of old logs #endif #include "base/commandlineflags.h" // to get the program name #include #include #include "base/googleinit.h" #ifdef HAVE_STACKTRACE # include "stacktrace.h" #endif #ifdef __ANDROID__ #include #endif using std::string; using std::vector; using std::setw; using std::setfill; using std::hex; using std::dec; using std::min; using std::ostream; using std::ostringstream; using std::FILE; using std::fwrite; using std::fclose; using std::fflush; using std::fprintf; using std::perror; #ifdef __QNX__ using std::fdopen; #endif #ifdef _WIN32 #define fdopen _fdopen #endif // There is no thread annotation support. #define EXCLUSIVE_LOCKS_REQUIRED(mu) static bool BoolFromEnv(const char *varname, bool defval) { const char* const valstr = getenv(varname); if (!valstr) { return defval; } return memchr("tTyY1\0", valstr[0], 6) != NULL; } GLOG_DEFINE_bool(timestamp_in_logfile_name, BoolFromEnv("GOOGLE_TIMESTAMP_IN_LOGFILE_NAME", true), "put a timestamp at the end of the log file name"); GLOG_DEFINE_bool(logtostderr, BoolFromEnv("GOOGLE_LOGTOSTDERR", false), "log messages go to stderr instead of logfiles"); GLOG_DEFINE_bool(alsologtostderr, BoolFromEnv("GOOGLE_ALSOLOGTOSTDERR", false), "log messages go to stderr in addition to logfiles"); GLOG_DEFINE_bool(colorlogtostderr, false, "color messages logged to stderr (if supported by terminal)"); GLOG_DEFINE_bool(colorlogtostdout, false, "color messages logged to stdout (if supported by terminal)"); GLOG_DEFINE_bool(logtostdout, BoolFromEnv("GOOGLE_LOGTOSTDOUT", false), "log messages go to stdout instead of logfiles"); #ifdef GLOG_OS_LINUX GLOG_DEFINE_bool(drop_log_memory, true, "Drop in-memory buffers of log contents. " "Logs can grow very quickly and they are rarely read before they " "need to be evicted from memory. Instead, drop them from memory " "as soon as they are flushed to disk."); #endif // By default, errors (including fatal errors) get logged to stderr as // well as the file. // // The default is ERROR instead of FATAL so that users can see problems // when they run a program without having to look in another file. DEFINE_int32(stderrthreshold, GOOGLE_NAMESPACE::GLOG_ERROR, "log messages at or above this level are copied to stderr in " "addition to logfiles. This flag obsoletes --alsologtostderr."); GLOG_DEFINE_string(alsologtoemail, "", "log messages go to these email addresses " "in addition to logfiles"); GLOG_DEFINE_bool(log_prefix, true, "Prepend the log prefix to the start of each log line"); GLOG_DEFINE_bool(log_year_in_prefix, true, "Include the year in the log prefix"); GLOG_DEFINE_int32(minloglevel, 0, "Messages logged at a lower level than this don't " "actually get logged anywhere"); GLOG_DEFINE_int32(logbuflevel, 0, "Buffer log messages logged at this level or lower" " (-1 means don't buffer; 0 means buffer INFO only;" " ...)"); GLOG_DEFINE_int32(logbufsecs, 30, "Buffer log messages for at most this many seconds"); GLOG_DEFINE_int32(logcleansecs, 60 * 5, // every 5 minutes "Clean overdue logs every this many seconds"); GLOG_DEFINE_int32(logemaillevel, 999, "Email log messages logged at this level or higher" " (0 means email all; 3 means email FATAL only;" " ...)"); GLOG_DEFINE_string(logmailer, "", "Mailer used to send logging email"); // Compute the default value for --log_dir static const char* DefaultLogDir() { const char* env; env = getenv("GOOGLE_LOG_DIR"); if (env != NULL && env[0] != '\0') { return env; } env = getenv("TEST_TMPDIR"); if (env != NULL && env[0] != '\0') { return env; } return ""; } GLOG_DEFINE_int32(logfile_mode, 0664, "Log file mode/permissions."); GLOG_DEFINE_string(log_dir, DefaultLogDir(), "If specified, logfiles are written into this directory instead " "of the default logging directory."); GLOG_DEFINE_string(log_link, "", "Put additional links to the log " "files in this directory"); GLOG_DEFINE_uint32(max_log_size, 1800, "approx. maximum log file size (in MB). A value of 0 will " "be silently overridden to 1."); GLOG_DEFINE_bool(stop_logging_if_full_disk, false, "Stop attempting to log to disk if the disk is full."); GLOG_DEFINE_string(log_backtrace_at, "", "Emit a backtrace when logging at file:linenum."); GLOG_DEFINE_bool(log_utc_time, false, "Use UTC time for logging."); // TODO(hamaji): consider windows #define PATH_SEPARATOR '/' #ifndef HAVE_PREAD #if defined(GLOG_OS_WINDOWS) #include #define ssize_t SSIZE_T #endif static ssize_t pread(int fd, void* buf, size_t count, off_t offset) { off_t orig_offset = lseek(fd, 0, SEEK_CUR); if (orig_offset == (off_t)-1) return -1; if (lseek(fd, offset, SEEK_CUR) == (off_t)-1) return -1; ssize_t len = read(fd, buf, count); if (len < 0) return len; if (lseek(fd, orig_offset, SEEK_SET) == (off_t)-1) return -1; return len; } #endif // !HAVE_PREAD #ifndef HAVE_PWRITE static ssize_t pwrite(int fd, void* buf, size_t count, off_t offset) { off_t orig_offset = lseek(fd, 0, SEEK_CUR); if (orig_offset == (off_t)-1) return -1; if (lseek(fd, offset, SEEK_CUR) == (off_t)-1) return -1; ssize_t len = write(fd, buf, count); if (len < 0) return len; if (lseek(fd, orig_offset, SEEK_SET) == (off_t)-1) return -1; return len; } #endif // !HAVE_PWRITE static void GetHostName(string* hostname) { #if defined(HAVE_SYS_UTSNAME_H) struct utsname buf; if (uname(&buf) < 0) { // ensure null termination on failure *buf.nodename = '\0'; } *hostname = buf.nodename; #elif defined(GLOG_OS_WINDOWS) char buf[MAX_COMPUTERNAME_LENGTH + 1]; DWORD len = MAX_COMPUTERNAME_LENGTH + 1; if (GetComputerNameA(buf, &len)) { *hostname = buf; } else { hostname->clear(); } #else # warning There is no way to retrieve the host name. *hostname = "(unknown)"; #endif } // Returns true iff terminal supports using colors in output. static bool TerminalSupportsColor() { bool term_supports_color = false; #ifdef GLOG_OS_WINDOWS // on Windows TERM variable is usually not set, but the console does // support colors. term_supports_color = true; #else // On non-Windows platforms, we rely on the TERM variable. const char* const term = getenv("TERM"); if (term != NULL && term[0] != '\0') { term_supports_color = !strcmp(term, "xterm") || !strcmp(term, "xterm-color") || !strcmp(term, "xterm-256color") || !strcmp(term, "screen-256color") || !strcmp(term, "konsole") || !strcmp(term, "konsole-16color") || !strcmp(term, "konsole-256color") || !strcmp(term, "screen") || !strcmp(term, "linux") || !strcmp(term, "cygwin"); } #endif return term_supports_color; } _START_GOOGLE_NAMESPACE_ enum GLogColor { COLOR_DEFAULT, COLOR_RED, COLOR_GREEN, COLOR_YELLOW }; static GLogColor SeverityToColor(LogSeverity severity) { assert(severity >= 0 && severity < NUM_SEVERITIES); GLogColor color = COLOR_DEFAULT; switch (severity) { case GLOG_INFO: color = COLOR_DEFAULT; break; case GLOG_WARNING: color = COLOR_YELLOW; break; case GLOG_ERROR: case GLOG_FATAL: color = COLOR_RED; break; default: // should never get here. assert(false); } return color; } #ifdef GLOG_OS_WINDOWS // Returns the character attribute for the given color. static WORD GetColorAttribute(GLogColor color) { switch (color) { case COLOR_RED: return FOREGROUND_RED; case COLOR_GREEN: return FOREGROUND_GREEN; case COLOR_YELLOW: return FOREGROUND_RED | FOREGROUND_GREEN; default: return 0; } } #else // Returns the ANSI color code for the given color. static const char* GetAnsiColorCode(GLogColor color) { switch (color) { case COLOR_RED: return "1"; case COLOR_GREEN: return "2"; case COLOR_YELLOW: return "3"; case COLOR_DEFAULT: return ""; }; return NULL; // stop warning about return type. } #endif // GLOG_OS_WINDOWS // Safely get max_log_size, overriding to 1 if it somehow gets defined as 0 static uint32 MaxLogSize() { return (FLAGS_max_log_size > 0 && FLAGS_max_log_size < 4096 ? FLAGS_max_log_size : 1); } // An arbitrary limit on the length of a single log message. This // is so that streaming can be done more efficiently. const size_t LogMessage::kMaxLogMessageLen = 30000; struct LogMessage::LogMessageData { LogMessageData(); int preserved_errno_; // preserved errno // Buffer space; contains complete message text. char message_text_[LogMessage::kMaxLogMessageLen+1]; LogStream stream_; char severity_; // What level is this LogMessage logged at? int line_; // line number where logging call is. void (LogMessage::*send_method_)(); // Call this in destructor to send union { // At most one of these is used: union to keep the size low. LogSink* sink_; // NULL or sink to send message to std::vector* outvec_; // NULL or vector to push message onto std::string* message_; // NULL or string to write message into }; size_t num_prefix_chars_; // # of chars of prefix in this message size_t num_chars_to_log_; // # of chars of msg to send to log size_t num_chars_to_syslog_; // # of chars of msg to send to syslog const char* basename_; // basename of file that called LOG const char* fullname_; // fullname of file that called LOG bool has_been_flushed_; // false => data has not been flushed bool first_fatal_; // true => this was first fatal msg private: LogMessageData(const LogMessageData&); void operator=(const LogMessageData&); }; // A mutex that allows only one thread to log at a time, to keep things from // getting jumbled. Some other very uncommon logging operations (like // changing the destination file for log messages of a given severity) also // lock this mutex. Please be sure that anybody who might possibly need to // lock it does so. static Mutex log_mutex; // Number of messages sent at each severity. Under log_mutex. int64 LogMessage::num_messages_[NUM_SEVERITIES] = {0, 0, 0, 0}; // Globally disable log writing (if disk is full) static bool stop_writing = false; const char*const LogSeverityNames[NUM_SEVERITIES] = { "INFO", "WARNING", "ERROR", "FATAL" }; // Has the user called SetExitOnDFatal(true)? static bool exit_on_dfatal = true; const char* GetLogSeverityName(LogSeverity severity) { return LogSeverityNames[severity]; } static bool SendEmailInternal(const char*dest, const char *subject, const char*body, bool use_logging); base::Logger::~Logger() { } #ifdef GLOG_CUSTOM_PREFIX_SUPPORT namespace { // Optional user-configured callback to print custom prefixes. CustomPrefixCallback custom_prefix_callback = NULL; // User-provided data to pass to the callback: void* custom_prefix_callback_data = NULL; } #endif namespace { // Encapsulates all file-system related state class LogFileObject : public base::Logger { public: LogFileObject(LogSeverity severity, const char* base_filename); ~LogFileObject(); virtual void Write(bool force_flush, // Should we force a flush here? time_t timestamp, // Timestamp for this entry const char* message, size_t message_len); // Configuration options void SetBasename(const char* basename); void SetExtension(const char* ext); void SetSymlinkBasename(const char* symlink_basename); // Normal flushing routine virtual void Flush(); // It is the actual file length for the system loggers, // i.e., INFO, ERROR, etc. virtual uint32 LogSize() { MutexLock l(&lock_); return file_length_; } // Internal flush routine. Exposed so that FlushLogFilesUnsafe() // can avoid grabbing a lock. Usually Flush() calls it after // acquiring lock_. void FlushUnlocked(); private: static const uint32 kRolloverAttemptFrequency = 0x20; Mutex lock_; bool base_filename_selected_; string base_filename_; string symlink_basename_; string filename_extension_; // option users can specify (eg to add port#) FILE* file_; LogSeverity severity_; uint32 bytes_since_flush_; uint32 dropped_mem_length_; uint32 file_length_; unsigned int rollover_attempt_; int64 next_flush_time_; // cycle count at which to flush log WallTime start_time_; // Actually create a logfile using the value of base_filename_ and the // optional argument time_pid_string // REQUIRES: lock_ is held bool CreateLogfile(const string& time_pid_string); }; // Encapsulate all log cleaner related states class LogCleaner { public: LogCleaner(); // Setting overdue_days to 0 days will delete all logs. void Enable(unsigned int overdue_days); void Disable(); // update next_cleanup_time_ void UpdateCleanUpTime(); void Run(bool base_filename_selected, const string& base_filename, const string& filename_extension); bool enabled() const { return enabled_; } private: vector GetOverdueLogNames(string log_directory, unsigned int days, const string& base_filename, const string& filename_extension) const; bool IsLogFromCurrentProject(const string& filepath, const string& base_filename, const string& filename_extension) const; bool IsLogLastModifiedOver(const string& filepath, unsigned int days) const; bool enabled_; unsigned int overdue_days_; int64 next_cleanup_time_; // cycle count at which to clean overdue log }; LogCleaner log_cleaner; } // namespace class LogDestination { public: friend class LogMessage; friend void ReprintFatalMessage(); friend base::Logger* base::GetLogger(LogSeverity); friend void base::SetLogger(LogSeverity, base::Logger*); // These methods are just forwarded to by their global versions. static void SetLogDestination(LogSeverity severity, const char* base_filename); static void SetLogSymlink(LogSeverity severity, const char* symlink_basename); static void AddLogSink(LogSink *destination); static void RemoveLogSink(LogSink *destination); static void SetLogFilenameExtension(const char* filename_extension); static void SetStderrLogging(LogSeverity min_severity); static void SetEmailLogging(LogSeverity min_severity, const char* addresses); static void LogToStderr(); // Flush all log files that are at least at the given severity level static void FlushLogFiles(int min_severity); static void FlushLogFilesUnsafe(int min_severity); // we set the maximum size of our packet to be 1400, the logic being // to prevent fragmentation. // Really this number is arbitrary. static const int kNetworkBytes = 1400; static const string& hostname(); static const bool& terminal_supports_color() { return terminal_supports_color_; } static void DeleteLogDestinations(); private: LogDestination(LogSeverity severity, const char* base_filename); ~LogDestination(); // Take a log message of a particular severity and log it to stderr // iff it's of a high enough severity to deserve it. static void MaybeLogToStderr(LogSeverity severity, const char* message, size_t message_len, size_t prefix_len); // Take a log message of a particular severity and log it to email // iff it's of a high enough severity to deserve it. static void MaybeLogToEmail(LogSeverity severity, const char* message, size_t len); // Take a log message of a particular severity and log it to a file // iff the base filename is not "" (which means "don't log to me") static void MaybeLogToLogfile(LogSeverity severity, time_t timestamp, const char* message, size_t len); // Take a log message of a particular severity and log it to the file // for that severity and also for all files with severity less than // this severity. static void LogToAllLogfiles(LogSeverity severity, time_t timestamp, const char* message, size_t len); // Send logging info to all registered sinks. static void LogToSinks(LogSeverity severity, const char* full_filename, const char* base_filename, int line, const LogMessageTime& logmsgtime, const char* message, size_t message_len); // Wait for all registered sinks via WaitTillSent // including the optional one in "data". static void WaitForSinks(LogMessage::LogMessageData* data); static LogDestination* log_destination(LogSeverity severity); LogFileObject fileobject_; base::Logger* logger_; // Either &fileobject_, or wrapper around it static LogDestination* log_destinations_[NUM_SEVERITIES]; static LogSeverity email_logging_severity_; static string addresses_; static string hostname_; static bool terminal_supports_color_; // arbitrary global logging destinations. static vector* sinks_; // Protects the vector sinks_, // but not the LogSink objects its elements reference. static Mutex sink_mutex_; // Disallow LogDestination(const LogDestination&); LogDestination& operator=(const LogDestination&); }; // Errors do not get logged to email by default. LogSeverity LogDestination::email_logging_severity_ = 99999; string LogDestination::addresses_; string LogDestination::hostname_; vector* LogDestination::sinks_ = NULL; Mutex LogDestination::sink_mutex_; bool LogDestination::terminal_supports_color_ = TerminalSupportsColor(); /* static */ const string& LogDestination::hostname() { if (hostname_.empty()) { GetHostName(&hostname_); if (hostname_.empty()) { hostname_ = "(unknown)"; } } return hostname_; } LogDestination::LogDestination(LogSeverity severity, const char* base_filename) : fileobject_(severity, base_filename), logger_(&fileobject_) { } LogDestination::~LogDestination() { if (logger_ && logger_ != &fileobject_) { // Delete user-specified logger set via SetLogger(). delete logger_; } } inline void LogDestination::FlushLogFilesUnsafe(int min_severity) { // assume we have the log_mutex or we simply don't care // about it for (int i = min_severity; i < NUM_SEVERITIES; i++) { LogDestination* log = log_destinations_[i]; if (log != NULL) { // Flush the base fileobject_ logger directly instead of going // through any wrappers to reduce chance of deadlock. log->fileobject_.FlushUnlocked(); } } } inline void LogDestination::FlushLogFiles(int min_severity) { // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&log_mutex); for (int i = min_severity; i < NUM_SEVERITIES; i++) { LogDestination* log = log_destination(i); if (log != NULL) { log->logger_->Flush(); } } } inline void LogDestination::SetLogDestination(LogSeverity severity, const char* base_filename) { assert(severity >= 0 && severity < NUM_SEVERITIES); // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&log_mutex); log_destination(severity)->fileobject_.SetBasename(base_filename); } inline void LogDestination::SetLogSymlink(LogSeverity severity, const char* symlink_basename) { CHECK_GE(severity, 0); CHECK_LT(severity, NUM_SEVERITIES); MutexLock l(&log_mutex); log_destination(severity)->fileobject_.SetSymlinkBasename(symlink_basename); } inline void LogDestination::AddLogSink(LogSink *destination) { // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&sink_mutex_); if (!sinks_) sinks_ = new vector; sinks_->push_back(destination); } inline void LogDestination::RemoveLogSink(LogSink *destination) { // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&sink_mutex_); // This doesn't keep the sinks in order, but who cares? if (sinks_) { sinks_->erase(std::remove(sinks_->begin(), sinks_->end(), destination), sinks_->end()); } } inline void LogDestination::SetLogFilenameExtension(const char* ext) { // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&log_mutex); for ( int severity = 0; severity < NUM_SEVERITIES; ++severity ) { log_destination(severity)->fileobject_.SetExtension(ext); } } inline void LogDestination::SetStderrLogging(LogSeverity min_severity) { assert(min_severity >= 0 && min_severity < NUM_SEVERITIES); // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&log_mutex); FLAGS_stderrthreshold = min_severity; } inline void LogDestination::LogToStderr() { // *Don't* put this stuff in a mutex lock, since SetStderrLogging & // SetLogDestination already do the locking! SetStderrLogging(0); // thus everything is "also" logged to stderr for ( int i = 0; i < NUM_SEVERITIES; ++i ) { SetLogDestination(i, ""); // "" turns off logging to a logfile } } inline void LogDestination::SetEmailLogging(LogSeverity min_severity, const char* addresses) { assert(min_severity >= 0 && min_severity < NUM_SEVERITIES); // Prevent any subtle race conditions by wrapping a mutex lock around // all this stuff. MutexLock l(&log_mutex); LogDestination::email_logging_severity_ = min_severity; LogDestination::addresses_ = addresses; } static void ColoredWriteToStderrOrStdout(FILE* output, LogSeverity severity, const char* message, size_t len) { bool is_stdout = (output == stdout); const GLogColor color = (LogDestination::terminal_supports_color() && ((!is_stdout && FLAGS_colorlogtostderr) || (is_stdout && FLAGS_colorlogtostdout))) ? SeverityToColor(severity) : COLOR_DEFAULT; // Avoid using cerr from this module since we may get called during // exit code, and cerr may be partially or fully destroyed by then. if (COLOR_DEFAULT == color) { fwrite(message, len, 1, output); return; } #ifdef GLOG_OS_WINDOWS const HANDLE output_handle = GetStdHandle(is_stdout ? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE); // Gets the current text color. CONSOLE_SCREEN_BUFFER_INFO buffer_info; GetConsoleScreenBufferInfo(output_handle, &buffer_info); const WORD old_color_attrs = buffer_info.wAttributes; // We need to flush the stream buffers into the console before each // SetConsoleTextAttribute call lest it affect the text that is already // printed but has not yet reached the console. fflush(output); SetConsoleTextAttribute(output_handle, GetColorAttribute(color) | FOREGROUND_INTENSITY); fwrite(message, len, 1, output); fflush(output); // Restores the text color. SetConsoleTextAttribute(output_handle, old_color_attrs); #else fprintf(output, "\033[0;3%sm", GetAnsiColorCode(color)); fwrite(message, len, 1, output); fprintf(output, "\033[m"); // Resets the terminal to default. #endif // GLOG_OS_WINDOWS } static void ColoredWriteToStdout(LogSeverity severity, const char* message, size_t len) { FILE* output = stdout; // We also need to send logs to the stderr when the severity is // higher or equal to the stderr threshold. if (severity >= FLAGS_stderrthreshold) { output = stderr; } ColoredWriteToStderrOrStdout(output, severity, message, len); } static void ColoredWriteToStderr(LogSeverity severity, const char* message, size_t len) { ColoredWriteToStderrOrStdout(stderr, severity, message, len); } static void WriteToStderr(const char* message, size_t len) { // Avoid using cerr from this module since we may get called during // exit code, and cerr may be partially or fully destroyed by then. fwrite(message, len, 1, stderr); } inline void LogDestination::MaybeLogToStderr(LogSeverity severity, const char* message, size_t message_len, size_t prefix_len) { if ((severity >= FLAGS_stderrthreshold) || FLAGS_alsologtostderr) { ColoredWriteToStderr(severity, message, message_len); #ifdef GLOG_OS_WINDOWS (void) prefix_len; // On Windows, also output to the debugger ::OutputDebugStringA(message); #elif defined(__ANDROID__) // On Android, also output to logcat const int android_log_levels[NUM_SEVERITIES] = { ANDROID_LOG_INFO, ANDROID_LOG_WARN, ANDROID_LOG_ERROR, ANDROID_LOG_FATAL, }; __android_log_write(android_log_levels[severity], glog_internal_namespace_::ProgramInvocationShortName(), message + prefix_len); #else (void) prefix_len; #endif } } inline void LogDestination::MaybeLogToEmail(LogSeverity severity, const char* message, size_t len) { if (severity >= email_logging_severity_ || severity >= FLAGS_logemaillevel) { string to(FLAGS_alsologtoemail); if (!addresses_.empty()) { if (!to.empty()) { to += ","; } to += addresses_; } const string subject(string("[LOG] ") + LogSeverityNames[severity] + ": " + glog_internal_namespace_::ProgramInvocationShortName()); string body(hostname()); body += "\n\n"; body.append(message, len); // should NOT use SendEmail(). The caller of this function holds the // log_mutex and SendEmail() calls LOG/VLOG which will block trying to // acquire the log_mutex object. Use SendEmailInternal() and set // use_logging to false. SendEmailInternal(to.c_str(), subject.c_str(), body.c_str(), false); } } inline void LogDestination::MaybeLogToLogfile(LogSeverity severity, time_t timestamp, const char* message, size_t len) { const bool should_flush = severity > FLAGS_logbuflevel; LogDestination* destination = log_destination(severity); destination->logger_->Write(should_flush, timestamp, message, len); } inline void LogDestination::LogToAllLogfiles(LogSeverity severity, time_t timestamp, const char* message, size_t len) { if (FLAGS_logtostdout) { // global flag: never log to file ColoredWriteToStdout(severity, message, len); } else if (FLAGS_logtostderr) { // global flag: never log to file ColoredWriteToStderr(severity, message, len); } else { for (int i = severity; i >= 0; --i) { LogDestination::MaybeLogToLogfile(i, timestamp, message, len); } } } inline void LogDestination::LogToSinks(LogSeverity severity, const char* full_filename, const char* base_filename, int line, const LogMessageTime& logmsgtime, const char* message, size_t message_len) { ReaderMutexLock l(&sink_mutex_); if (sinks_) { for (size_t i = sinks_->size(); i-- > 0; ) { (*sinks_)[i]->send(severity, full_filename, base_filename, line, logmsgtime, message, message_len); } } } inline void LogDestination::WaitForSinks(LogMessage::LogMessageData* data) { ReaderMutexLock l(&sink_mutex_); if (sinks_) { for (size_t i = sinks_->size(); i-- > 0; ) { (*sinks_)[i]->WaitTillSent(); } } const bool send_to_sink = (data->send_method_ == &LogMessage::SendToSink) || (data->send_method_ == &LogMessage::SendToSinkAndLog); if (send_to_sink && data->sink_ != NULL) { data->sink_->WaitTillSent(); } } LogDestination* LogDestination::log_destinations_[NUM_SEVERITIES]; inline LogDestination* LogDestination::log_destination(LogSeverity severity) { assert(severity >=0 && severity < NUM_SEVERITIES); if (!log_destinations_[severity]) { log_destinations_[severity] = new LogDestination(severity, NULL); } return log_destinations_[severity]; } void LogDestination::DeleteLogDestinations() { for (int severity = 0; severity < NUM_SEVERITIES; ++severity) { delete log_destinations_[severity]; log_destinations_[severity] = NULL; } MutexLock l(&sink_mutex_); delete sinks_; sinks_ = NULL; } namespace { std::string g_application_fingerprint; } // namespace void SetApplicationFingerprint(const std::string& fingerprint) { g_application_fingerprint = fingerprint; } namespace { // Directory delimiter; Windows supports both forward slashes and backslashes #ifdef GLOG_OS_WINDOWS const char possible_dir_delim[] = {'\\', '/'}; #else const char possible_dir_delim[] = {'/'}; #endif string PrettyDuration(int secs) { std::stringstream result; int mins = secs / 60; int hours = mins / 60; mins = mins % 60; secs = secs % 60; result.fill('0'); result << hours << ':' << setw(2) << mins << ':' << setw(2) << secs; return result.str(); } LogFileObject::LogFileObject(LogSeverity severity, const char* base_filename) : base_filename_selected_(base_filename != NULL), base_filename_((base_filename != NULL) ? base_filename : ""), symlink_basename_(glog_internal_namespace_::ProgramInvocationShortName()), filename_extension_(), file_(NULL), severity_(severity), bytes_since_flush_(0), dropped_mem_length_(0), file_length_(0), rollover_attempt_(kRolloverAttemptFrequency-1), next_flush_time_(0), start_time_(WallTime_Now()) { assert(severity >= 0); assert(severity < NUM_SEVERITIES); } LogFileObject::~LogFileObject() { MutexLock l(&lock_); if (file_ != NULL) { fclose(file_); file_ = NULL; } } void LogFileObject::SetBasename(const char* basename) { MutexLock l(&lock_); base_filename_selected_ = true; if (base_filename_ != basename) { // Get rid of old log file since we are changing names if (file_ != NULL) { fclose(file_); file_ = NULL; rollover_attempt_ = kRolloverAttemptFrequency-1; } base_filename_ = basename; } } void LogFileObject::SetExtension(const char* ext) { MutexLock l(&lock_); if (filename_extension_ != ext) { // Get rid of old log file since we are changing names if (file_ != NULL) { fclose(file_); file_ = NULL; rollover_attempt_ = kRolloverAttemptFrequency-1; } filename_extension_ = ext; } } void LogFileObject::SetSymlinkBasename(const char* symlink_basename) { MutexLock l(&lock_); symlink_basename_ = symlink_basename; } void LogFileObject::Flush() { MutexLock l(&lock_); FlushUnlocked(); } void LogFileObject::FlushUnlocked(){ if (file_ != NULL) { fflush(file_); bytes_since_flush_ = 0; } // Figure out when we are due for another flush. const int64 next = (FLAGS_logbufsecs * static_cast(1000000)); // in usec next_flush_time_ = CycleClock_Now() + UsecToCycles(next); } bool LogFileObject::CreateLogfile(const string& time_pid_string) { string string_filename = base_filename_; if (FLAGS_timestamp_in_logfile_name) { string_filename += time_pid_string; } string_filename += filename_extension_; const char* filename = string_filename.c_str(); //only write to files, create if non-existant. int flags = O_WRONLY | O_CREAT; if (FLAGS_timestamp_in_logfile_name) { //demand that the file is unique for our timestamp (fail if it exists). flags = flags | O_EXCL; } int fd = open(filename, flags, FLAGS_logfile_mode); if (fd == -1) return false; #ifdef HAVE_FCNTL // Mark the file close-on-exec. We don't really care if this fails fcntl(fd, F_SETFD, FD_CLOEXEC); // Mark the file as exclusive write access to avoid two clients logging to the // same file. This applies particularly when !FLAGS_timestamp_in_logfile_name // (otherwise open would fail because the O_EXCL flag on similar filename). // locks are released on unlock or close() automatically, only after log is // released. // This will work after a fork as it is not inherited (not stored in the fd). // Lock will not be lost because the file is opened with exclusive lock (write) // and we will never read from it inside the process. // TODO windows implementation of this (as flock is not available on mingw). static struct flock w_lock; w_lock.l_type = F_WRLCK; w_lock.l_start = 0; w_lock.l_whence = SEEK_SET; w_lock.l_len = 0; int wlock_ret = fcntl(fd, F_SETLK, &w_lock); if (wlock_ret == -1) { close(fd); //as we are failing already, do not check errors here return false; } #endif //fdopen in append mode so if the file exists it will fseek to the end file_ = fdopen(fd, "a"); // Make a FILE*. if (file_ == NULL) { // Man, we're screwed! close(fd); if (FLAGS_timestamp_in_logfile_name) { unlink(filename); // Erase the half-baked evidence: an unusable log file, only if we just created it. } return false; } #ifdef GLOG_OS_WINDOWS // https://github.com/golang/go/issues/27638 - make sure we seek to the end to append // empirically replicated with wine over mingw build if (!FLAGS_timestamp_in_logfile_name) { if (fseek(file_, 0, SEEK_END) != 0) { return false; } } #endif // We try to create a symlink called ., // which is easier to use. (Every time we create a new logfile, // we destroy the old symlink and create a new one, so it always // points to the latest logfile.) If it fails, we're sad but it's // no error. if (!symlink_basename_.empty()) { // take directory from filename const char* slash = strrchr(filename, PATH_SEPARATOR); const string linkname = symlink_basename_ + '.' + LogSeverityNames[severity_]; string linkpath; if ( slash ) linkpath = string(filename, static_cast(slash-filename+1)); // get dirname linkpath += linkname; unlink(linkpath.c_str()); // delete old one if it exists #if defined(GLOG_OS_WINDOWS) // TODO(hamaji): Create lnk file on Windows? #elif defined(HAVE_UNISTD_H) // We must have unistd.h. // Make the symlink be relative (in the same dir) so that if the // entire log directory gets relocated the link is still valid. const char *linkdest = slash ? (slash + 1) : filename; if (symlink(linkdest, linkpath.c_str()) != 0) { // silently ignore failures } // Make an additional link to the log file in a place specified by // FLAGS_log_link, if indicated if (!FLAGS_log_link.empty()) { linkpath = FLAGS_log_link + "/" + linkname; unlink(linkpath.c_str()); // delete old one if it exists if (symlink(filename, linkpath.c_str()) != 0) { // silently ignore failures } } #endif } return true; // Everything worked } void LogFileObject::Write(bool force_flush, time_t timestamp, const char* message, size_t message_len) { MutexLock l(&lock_); // We don't log if the base_name_ is "" (which means "don't write") if (base_filename_selected_ && base_filename_.empty()) { return; } if (file_length_ >> 20U >= MaxLogSize() || PidHasChanged()) { if (file_ != NULL) fclose(file_); file_ = NULL; file_length_ = bytes_since_flush_ = dropped_mem_length_ = 0; rollover_attempt_ = kRolloverAttemptFrequency - 1; } // If there's no destination file, make one before outputting if (file_ == NULL) { // Try to rollover the log file every 32 log messages. The only time // this could matter would be when we have trouble creating the log // file. If that happens, we'll lose lots of log messages, of course! if (++rollover_attempt_ != kRolloverAttemptFrequency) return; rollover_attempt_ = 0; struct ::tm tm_time; if (FLAGS_log_utc_time) { gmtime_r(×tamp, &tm_time); } else { localtime_r(×tamp, &tm_time); } // The logfile's filename will have the date/time & pid in it ostringstream time_pid_stream; time_pid_stream.fill('0'); time_pid_stream << 1900+tm_time.tm_year << setw(2) << 1+tm_time.tm_mon << setw(2) << tm_time.tm_mday << '-' << setw(2) << tm_time.tm_hour << setw(2) << tm_time.tm_min << setw(2) << tm_time.tm_sec << '.' << GetMainThreadPid(); const string& time_pid_string = time_pid_stream.str(); if (base_filename_selected_) { if (!CreateLogfile(time_pid_string)) { perror("Could not create log file"); fprintf(stderr, "COULD NOT CREATE LOGFILE '%s'!\n", time_pid_string.c_str()); return; } } else { // If no base filename for logs of this severity has been set, use a // default base filename of // "...log..". So // logfiles will have names like // webserver.examplehost.root.log.INFO.19990817-150000.4354, where // 19990817 is a date (1999 August 17), 150000 is a time (15:00:00), // and 4354 is the pid of the logging process. The date & time reflect // when the file was created for output. // // Where does the file get put? Successively try the directories // "/tmp", and "." string stripped_filename( glog_internal_namespace_::ProgramInvocationShortName()); string hostname; GetHostName(&hostname); string uidname = MyUserName(); // We should not call CHECK() here because this function can be // called after holding on to log_mutex. We don't want to // attempt to hold on to the same mutex, and get into a // deadlock. Simply use a name like invalid-user. if (uidname.empty()) uidname = "invalid-user"; stripped_filename = stripped_filename+'.'+hostname+'.' +uidname+".log." +LogSeverityNames[severity_]+'.'; // We're going to (potentially) try to put logs in several different dirs const vector & log_dirs = GetLoggingDirectories(); // Go through the list of dirs, and try to create the log file in each // until we succeed or run out of options bool success = false; for (vector::const_iterator dir = log_dirs.begin(); dir != log_dirs.end(); ++dir) { base_filename_ = *dir + "/" + stripped_filename; if ( CreateLogfile(time_pid_string) ) { success = true; break; } } // If we never succeeded, we have to give up if ( success == false ) { perror("Could not create logging file"); fprintf(stderr, "COULD NOT CREATE A LOGGINGFILE %s!", time_pid_string.c_str()); return; } } // Write a header message into the log file ostringstream file_header_stream; file_header_stream.fill('0'); file_header_stream << "Log file created at: " << 1900+tm_time.tm_year << '/' << setw(2) << 1+tm_time.tm_mon << '/' << setw(2) << tm_time.tm_mday << ' ' << setw(2) << tm_time.tm_hour << ':' << setw(2) << tm_time.tm_min << ':' << setw(2) << tm_time.tm_sec << (FLAGS_log_utc_time ? " UTC\n" : "\n") << "Running on machine: " << LogDestination::hostname() << '\n'; if(!g_application_fingerprint.empty()) { file_header_stream << "Application fingerprint: " << g_application_fingerprint << '\n'; } const char* const date_time_format = FLAGS_log_year_in_prefix ? "yyyymmdd hh:mm:ss.uuuuuu" : "mmdd hh:mm:ss.uuuuuu"; file_header_stream << "Running duration (h:mm:ss): " << PrettyDuration(static_cast(WallTime_Now() - start_time_)) << '\n' << "Log line format: [IWEF]" << date_time_format << " " << "threadid file:line] msg" << '\n'; const string& file_header_string = file_header_stream.str(); const size_t header_len = file_header_string.size(); fwrite(file_header_string.data(), 1, header_len, file_); file_length_ += header_len; bytes_since_flush_ += header_len; } // Write to LOG file if ( !stop_writing ) { // fwrite() doesn't return an error when the disk is full, for // messages that are less than 4096 bytes. When the disk is full, // it returns the message length for messages that are less than // 4096 bytes. fwrite() returns 4096 for message lengths that are // greater than 4096, thereby indicating an error. errno = 0; fwrite(message, 1, message_len, file_); if ( FLAGS_stop_logging_if_full_disk && errno == ENOSPC ) { // disk full, stop writing to disk stop_writing = true; // until the disk is return; } else { file_length_ += message_len; bytes_since_flush_ += message_len; } } else { if (CycleClock_Now() >= next_flush_time_) { stop_writing = false; // check to see if disk has free space. } return; // no need to flush } // See important msgs *now*. Also, flush logs at least every 10^6 chars, // or every "FLAGS_logbufsecs" seconds. if ( force_flush || (bytes_since_flush_ >= 1000000) || (CycleClock_Now() >= next_flush_time_) ) { FlushUnlocked(); #ifdef GLOG_OS_LINUX // Only consider files >= 3MiB if (FLAGS_drop_log_memory && file_length_ >= (3U << 20U)) { // Don't evict the most recent 1-2MiB so as not to impact a tailer // of the log file and to avoid page rounding issue on linux < 4.7 uint32 total_drop_length = (file_length_ & ~((1U << 20U) - 1U)) - (1U << 20U); uint32 this_drop_length = total_drop_length - dropped_mem_length_; if (this_drop_length >= (2U << 20U)) { // Only advise when >= 2MiB to drop # if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) // 'posix_fadvise' introduced in API 21: // * https://android.googlesource.com/platform/bionic/+/6880f936173081297be0dc12f687d341b86a4cfa/libc/libc.map.txt#732 # else posix_fadvise(fileno(file_), dropped_mem_length_, this_drop_length, POSIX_FADV_DONTNEED); # endif dropped_mem_length_ = total_drop_length; } } #endif // Remove old logs if (log_cleaner.enabled()) { log_cleaner.Run(base_filename_selected_, base_filename_, filename_extension_); } } } LogCleaner::LogCleaner() : enabled_(false), overdue_days_(7), next_cleanup_time_(0) {} void LogCleaner::Enable(unsigned int overdue_days) { enabled_ = true; overdue_days_ = overdue_days; } void LogCleaner::Disable() { enabled_ = false; } void LogCleaner::UpdateCleanUpTime() { const int64 next = (FLAGS_logcleansecs * 1000000); // in usec next_cleanup_time_ = CycleClock_Now() + UsecToCycles(next); } void LogCleaner::Run(bool base_filename_selected, const string& base_filename, const string& filename_extension) { assert(enabled_); assert(!base_filename_selected || !base_filename.empty()); // avoid scanning logs too frequently if (CycleClock_Now() < next_cleanup_time_) { return; } UpdateCleanUpTime(); vector dirs; if (!base_filename_selected) { dirs = GetLoggingDirectories(); } else { size_t pos = base_filename.find_last_of(possible_dir_delim, string::npos, sizeof(possible_dir_delim)); if (pos != string::npos) { string dir = base_filename.substr(0, pos + 1); dirs.push_back(dir); } else { dirs.push_back("."); } } for (size_t i = 0; i < dirs.size(); i++) { vector logs = GetOverdueLogNames(dirs[i], overdue_days_, base_filename, filename_extension); for (size_t j = 0; j < logs.size(); j++) { static_cast(unlink(logs[j].c_str())); } } } vector LogCleaner::GetOverdueLogNames( string log_directory, unsigned int days, const string& base_filename, const string& filename_extension) const { // The names of overdue logs. vector overdue_log_names; // Try to get all files within log_directory. DIR *dir; struct dirent *ent; if ((dir = opendir(log_directory.c_str()))) { while ((ent = readdir(dir))) { if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) { continue; } string filepath = ent->d_name; const char* const dir_delim_end = possible_dir_delim + sizeof(possible_dir_delim); if (!log_directory.empty() && std::find(possible_dir_delim, dir_delim_end, log_directory[log_directory.size() - 1]) != dir_delim_end) { filepath = log_directory + filepath; } if (IsLogFromCurrentProject(filepath, base_filename, filename_extension) && IsLogLastModifiedOver(filepath, days)) { overdue_log_names.push_back(filepath); } } closedir(dir); } return overdue_log_names; } bool LogCleaner::IsLogFromCurrentProject(const string& filepath, const string& base_filename, const string& filename_extension) const { // We should remove duplicated delimiters from `base_filename`, e.g., // before: "/tmp//.." // after: "/tmp/.." string cleaned_base_filename; const char* const dir_delim_end = possible_dir_delim + sizeof(possible_dir_delim); size_t real_filepath_size = filepath.size(); for (size_t i = 0; i < base_filename.size(); ++i) { const char& c = base_filename[i]; if (cleaned_base_filename.empty()) { cleaned_base_filename += c; } else if (std::find(possible_dir_delim, dir_delim_end, c) == dir_delim_end || (!cleaned_base_filename.empty() && c != cleaned_base_filename[cleaned_base_filename.size() - 1])) { cleaned_base_filename += c; } } // Return early if the filename doesn't start with `cleaned_base_filename`. if (filepath.find(cleaned_base_filename) != 0) { return false; } // Check if in the string `filename_extension` is right next to // `cleaned_base_filename` in `filepath` if the user // has set a custom filename extension. if (!filename_extension.empty()) { if (cleaned_base_filename.size() >= real_filepath_size) { return false; } // for origin version, `filename_extension` is middle of the `filepath`. string ext = filepath.substr(cleaned_base_filename.size(), filename_extension.size()); if (ext == filename_extension) { cleaned_base_filename += filename_extension; } else { // for new version, `filename_extension` is right of the `filepath`. if (filename_extension.size() >= real_filepath_size) { return false; } real_filepath_size = filepath.size() - filename_extension.size(); if (filepath.substr(real_filepath_size) != filename_extension) { return false; } } } // The characters after `cleaned_base_filename` should match the format: // YYYYMMDD-HHMMSS.pid for (size_t i = cleaned_base_filename.size(); i < real_filepath_size; i++) { const char& c = filepath[i]; if (i <= cleaned_base_filename.size() + 7) { // 0 ~ 7 : YYYYMMDD if (c < '0' || c > '9') { return false; } } else if (i == cleaned_base_filename.size() + 8) { // 8: - if (c != '-') { return false; } } else if (i <= cleaned_base_filename.size() + 14) { // 9 ~ 14: HHMMSS if (c < '0' || c > '9') { return false; } } else if (i == cleaned_base_filename.size() + 15) { // 15: . if (c != '.') { return false; } } else if (i >= cleaned_base_filename.size() + 16) { // 16+: pid if (c < '0' || c > '9') { return false; } } } return true; } bool LogCleaner::IsLogLastModifiedOver(const string& filepath, unsigned int days) const { // Try to get the last modified time of this file. struct stat file_stat; if (stat(filepath.c_str(), &file_stat) == 0) { const time_t seconds_in_a_day = 60 * 60 * 24; time_t last_modified_time = file_stat.st_mtime; time_t current_time = time(NULL); return difftime(current_time, last_modified_time) > days * seconds_in_a_day; } // If failed to get file stat, don't return true! return false; } } // namespace // Static log data space to avoid alloc failures in a LOG(FATAL) // // Since multiple threads may call LOG(FATAL), and we want to preserve // the data from the first call, we allocate two sets of space. One // for exclusive use by the first thread, and one for shared use by // all other threads. static Mutex fatal_msg_lock; static CrashReason crash_reason; static bool fatal_msg_exclusive = true; static LogMessage::LogMessageData fatal_msg_data_exclusive; static LogMessage::LogMessageData fatal_msg_data_shared; #ifdef GLOG_THREAD_LOCAL_STORAGE // Static thread-local log data space to use, because typically at most one // LogMessageData object exists (in this case glog makes zero heap memory // allocations). static GLOG_THREAD_LOCAL_STORAGE bool thread_data_available = true; #if defined(HAVE_ALIGNED_STORAGE) && __cplusplus >= 201103L static GLOG_THREAD_LOCAL_STORAGE std::aligned_storage::type thread_msg_data; #else static GLOG_THREAD_LOCAL_STORAGE char thread_msg_data[sizeof(void*) + sizeof(LogMessage::LogMessageData)]; #endif // HAVE_ALIGNED_STORAGE #endif // defined(GLOG_THREAD_LOCAL_STORAGE) LogMessage::LogMessageData::LogMessageData() : stream_(message_text_, LogMessage::kMaxLogMessageLen, 0) { } LogMessage::LogMessage(const char* file, int line, LogSeverity severity, int64 ctr, void (LogMessage::*send_method)()) : allocated_(NULL) { Init(file, line, severity, send_method); data_->stream_.set_ctr(ctr); } LogMessage::LogMessage(const char* file, int line, const CheckOpString& result) : allocated_(NULL) { Init(file, line, GLOG_FATAL, &LogMessage::SendToLog); stream() << "Check failed: " << (*result.str_) << " "; } LogMessage::LogMessage(const char* file, int line) : allocated_(NULL) { Init(file, line, GLOG_INFO, &LogMessage::SendToLog); } LogMessage::LogMessage(const char* file, int line, LogSeverity severity) : allocated_(NULL) { Init(file, line, severity, &LogMessage::SendToLog); } LogMessage::LogMessage(const char* file, int line, LogSeverity severity, LogSink* sink, bool also_send_to_log) : allocated_(NULL) { Init(file, line, severity, also_send_to_log ? &LogMessage::SendToSinkAndLog : &LogMessage::SendToSink); data_->sink_ = sink; // override Init()'s setting to NULL } LogMessage::LogMessage(const char* file, int line, LogSeverity severity, vector *outvec) : allocated_(NULL) { Init(file, line, severity, &LogMessage::SaveOrSendToLog); data_->outvec_ = outvec; // override Init()'s setting to NULL } LogMessage::LogMessage(const char* file, int line, LogSeverity severity, string *message) : allocated_(NULL) { Init(file, line, severity, &LogMessage::WriteToStringAndLog); data_->message_ = message; // override Init()'s setting to NULL } void LogMessage::Init(const char* file, int line, LogSeverity severity, void (LogMessage::*send_method)()) { allocated_ = NULL; if (severity != GLOG_FATAL || !exit_on_dfatal) { #ifdef GLOG_THREAD_LOCAL_STORAGE // No need for locking, because this is thread local. if (thread_data_available) { thread_data_available = false; #ifdef HAVE_ALIGNED_STORAGE data_ = new (&thread_msg_data) LogMessageData; #else const uintptr_t kAlign = sizeof(void*) - 1; char* align_ptr = reinterpret_cast(reinterpret_cast(thread_msg_data + kAlign) & ~kAlign); data_ = new (align_ptr) LogMessageData; assert(reinterpret_cast(align_ptr) % sizeof(void*) == 0); #endif } else { allocated_ = new LogMessageData(); data_ = allocated_; } #else // !defined(GLOG_THREAD_LOCAL_STORAGE) allocated_ = new LogMessageData(); data_ = allocated_; #endif // defined(GLOG_THREAD_LOCAL_STORAGE) data_->first_fatal_ = false; } else { MutexLock l(&fatal_msg_lock); if (fatal_msg_exclusive) { fatal_msg_exclusive = false; data_ = &fatal_msg_data_exclusive; data_->first_fatal_ = true; } else { data_ = &fatal_msg_data_shared; data_->first_fatal_ = false; } } data_->preserved_errno_ = errno; data_->severity_ = severity; data_->line_ = line; data_->send_method_ = send_method; data_->sink_ = NULL; data_->outvec_ = NULL; WallTime now = WallTime_Now(); time_t timestamp_now = static_cast(now); logmsgtime_ = LogMessageTime(timestamp_now, now); data_->num_chars_to_log_ = 0; data_->num_chars_to_syslog_ = 0; data_->basename_ = const_basename(file); data_->fullname_ = file; data_->has_been_flushed_ = false; // If specified, prepend a prefix to each line. For example: // I20201018 160715 f5d4fbb0 logging.cc:1153] // (log level, GMT year, month, date, time, thread_id, file basename, line) // We exclude the thread_id for the default thread. if (FLAGS_log_prefix && (line != kNoLogPrefix)) { std::ios saved_fmt(NULL); saved_fmt.copyfmt(stream()); stream().fill('0'); #ifdef GLOG_CUSTOM_PREFIX_SUPPORT if (custom_prefix_callback == NULL) { #endif stream() << LogSeverityNames[severity][0]; if (FLAGS_log_year_in_prefix) { stream() << setw(4) << 1900 + logmsgtime_.year(); } stream() << setw(2) << 1 + logmsgtime_.month() << setw(2) << logmsgtime_.day() << ' ' << setw(2) << logmsgtime_.hour() << ':' << setw(2) << logmsgtime_.min() << ':' << setw(2) << logmsgtime_.sec() << "." << setw(6) << logmsgtime_.usec() << ' ' << setfill(' ') << setw(5) << static_cast(GetTID()) << setfill('0') << ' ' << data_->basename_ << ':' << data_->line_ << "] "; #ifdef GLOG_CUSTOM_PREFIX_SUPPORT } else { custom_prefix_callback( stream(), LogMessageInfo(LogSeverityNames[severity], data_->basename_, data_->line_, GetTID(), logmsgtime_), custom_prefix_callback_data ); stream() << " "; } #endif stream().copyfmt(saved_fmt); } data_->num_prefix_chars_ = data_->stream_.pcount(); if (!FLAGS_log_backtrace_at.empty()) { char fileline[128]; snprintf(fileline, sizeof(fileline), "%s:%d", data_->basename_, line); #ifdef HAVE_STACKTRACE if (FLAGS_log_backtrace_at == fileline) { string stacktrace; DumpStackTraceToString(&stacktrace); stream() << " (stacktrace:\n" << stacktrace << ") "; } #endif } } const LogMessageTime& LogMessage::getLogMessageTime() const { return logmsgtime_; } LogMessage::~LogMessage() { Flush(); #ifdef GLOG_THREAD_LOCAL_STORAGE if (data_ == static_cast(&thread_msg_data)) { data_->~LogMessageData(); thread_data_available = true; } else { delete allocated_; } #else // !defined(GLOG_THREAD_LOCAL_STORAGE) delete allocated_; #endif // defined(GLOG_THREAD_LOCAL_STORAGE) } int LogMessage::preserved_errno() const { return data_->preserved_errno_; } ostream& LogMessage::stream() { return data_->stream_; } // Flush buffered message, called by the destructor, or any other function // that needs to synchronize the log. void LogMessage::Flush() { if (data_->has_been_flushed_ || data_->severity_ < FLAGS_minloglevel) { return; } data_->num_chars_to_log_ = data_->stream_.pcount(); data_->num_chars_to_syslog_ = data_->num_chars_to_log_ - data_->num_prefix_chars_; // Do we need to add a \n to the end of this message? bool append_newline = (data_->message_text_[data_->num_chars_to_log_-1] != '\n'); char original_final_char = '\0'; // If we do need to add a \n, we'll do it by violating the memory of the // ostrstream buffer. This is quick, and we'll make sure to undo our // modification before anything else is done with the ostrstream. It // would be preferable not to do things this way, but it seems to be // the best way to deal with this. if (append_newline) { original_final_char = data_->message_text_[data_->num_chars_to_log_]; data_->message_text_[data_->num_chars_to_log_++] = '\n'; } data_->message_text_[data_->num_chars_to_log_] = '\0'; // Prevent any subtle race conditions by wrapping a mutex lock around // the actual logging action per se. { MutexLock l(&log_mutex); (this->*(data_->send_method_))(); ++num_messages_[static_cast(data_->severity_)]; } LogDestination::WaitForSinks(data_); if (append_newline) { // Fix the ostrstream back how it was before we screwed with it. // It's 99.44% certain that we don't need to worry about doing this. data_->message_text_[data_->num_chars_to_log_-1] = original_final_char; } // If errno was already set before we enter the logging call, we'll // set it back to that value when we return from the logging call. // It happens often that we log an error message after a syscall // failure, which can potentially set the errno to some other // values. We would like to preserve the original errno. if (data_->preserved_errno_ != 0) { errno = data_->preserved_errno_; } // Note that this message is now safely logged. If we're asked to flush // again, as a result of destruction, say, we'll do nothing on future calls. data_->has_been_flushed_ = true; } // Copy of first FATAL log message so that we can print it out again // after all the stack traces. To preserve legacy behavior, we don't // use fatal_msg_data_exclusive. static time_t fatal_time; static char fatal_message[256]; void ReprintFatalMessage() { if (fatal_message[0]) { const size_t n = strlen(fatal_message); if (!FLAGS_logtostderr) { // Also write to stderr (don't color to avoid terminal checks) WriteToStderr(fatal_message, n); } LogDestination::LogToAllLogfiles(GLOG_ERROR, fatal_time, fatal_message, n); } } // L >= log_mutex (callers must hold the log_mutex). void LogMessage::SendToLog() EXCLUSIVE_LOCKS_REQUIRED(log_mutex) { static bool already_warned_before_initgoogle = false; log_mutex.AssertHeld(); RAW_DCHECK(data_->num_chars_to_log_ > 0 && data_->message_text_[data_->num_chars_to_log_-1] == '\n', ""); // Messages of a given severity get logged to lower severity logs, too if (!already_warned_before_initgoogle && !IsGoogleLoggingInitialized()) { const char w[] = "WARNING: Logging before InitGoogleLogging() is " "written to STDERR\n"; WriteToStderr(w, strlen(w)); already_warned_before_initgoogle = true; } // global flag: never log to file if set. Also -- don't log to a // file if we haven't parsed the command line flags to get the // program name. if (FLAGS_logtostderr || FLAGS_logtostdout || !IsGoogleLoggingInitialized()) { if (FLAGS_logtostdout) { ColoredWriteToStdout(data_->severity_, data_->message_text_, data_->num_chars_to_log_); } else { ColoredWriteToStderr(data_->severity_, data_->message_text_, data_->num_chars_to_log_); } // this could be protected by a flag if necessary. LogDestination::LogToSinks(data_->severity_, data_->fullname_, data_->basename_, data_->line_, logmsgtime_, data_->message_text_ + data_->num_prefix_chars_, (data_->num_chars_to_log_ - data_->num_prefix_chars_ - 1) ); } else { // log this message to all log files of severity <= severity_ LogDestination::LogToAllLogfiles(data_->severity_, logmsgtime_.timestamp(), data_->message_text_, data_->num_chars_to_log_); LogDestination::MaybeLogToStderr(data_->severity_, data_->message_text_, data_->num_chars_to_log_, data_->num_prefix_chars_); LogDestination::MaybeLogToEmail(data_->severity_, data_->message_text_, data_->num_chars_to_log_); LogDestination::LogToSinks(data_->severity_, data_->fullname_, data_->basename_, data_->line_, logmsgtime_, data_->message_text_ + data_->num_prefix_chars_, (data_->num_chars_to_log_ - data_->num_prefix_chars_ - 1) ); // NOTE: -1 removes trailing \n } // If we log a FATAL message, flush all the log destinations, then toss // a signal for others to catch. We leave the logs in a state that // someone else can use them (as long as they flush afterwards) if (data_->severity_ == GLOG_FATAL && exit_on_dfatal) { if (data_->first_fatal_) { // Store crash information so that it is accessible from within signal // handlers that may be invoked later. RecordCrashReason(&crash_reason); SetCrashReason(&crash_reason); // Store shortened fatal message for other logs and GWQ status const size_t copy = min(data_->num_chars_to_log_, sizeof(fatal_message)-1); memcpy(fatal_message, data_->message_text_, copy); fatal_message[copy] = '\0'; fatal_time = logmsgtime_.timestamp(); } if (!FLAGS_logtostderr && !FLAGS_logtostdout) { for (int i = 0; i < NUM_SEVERITIES; ++i) { if (LogDestination::log_destinations_[i]) { LogDestination::log_destinations_[i]->logger_->Write(true, 0, "", 0); } } } // release the lock that our caller (directly or indirectly) // LogMessage::~LogMessage() grabbed so that signal handlers // can use the logging facility. Alternately, we could add // an entire unsafe logging interface to bypass locking // for signal handlers but this seems simpler. log_mutex.Unlock(); LogDestination::WaitForSinks(data_); const char* message = "*** Check failure stack trace: ***\n"; if (write(STDERR_FILENO, message, strlen(message)) < 0) { // Ignore errors. } #if defined(__ANDROID__) // ANDROID_LOG_FATAL as this message is of FATAL severity. __android_log_write(ANDROID_LOG_FATAL, glog_internal_namespace_::ProgramInvocationShortName(), message); #endif Fail(); } } void LogMessage::RecordCrashReason( glog_internal_namespace_::CrashReason* reason) { reason->filename = fatal_msg_data_exclusive.fullname_; reason->line_number = fatal_msg_data_exclusive.line_; reason->message = fatal_msg_data_exclusive.message_text_ + fatal_msg_data_exclusive.num_prefix_chars_; #ifdef HAVE_STACKTRACE // Retrieve the stack trace, omitting the logging frames that got us here. reason->depth = GetStackTrace(reason->stack, ARRAYSIZE(reason->stack), 4); #else reason->depth = 0; #endif } GLOG_EXPORT logging_fail_func_t g_logging_fail_func = reinterpret_cast(&abort); void InstallFailureFunction(logging_fail_func_t fail_func) { g_logging_fail_func = fail_func; } void LogMessage::Fail() { g_logging_fail_func(); } // L >= log_mutex (callers must hold the log_mutex). void LogMessage::SendToSink() EXCLUSIVE_LOCKS_REQUIRED(log_mutex) { if (data_->sink_ != NULL) { RAW_DCHECK(data_->num_chars_to_log_ > 0 && data_->message_text_[data_->num_chars_to_log_-1] == '\n', ""); data_->sink_->send(data_->severity_, data_->fullname_, data_->basename_, data_->line_, logmsgtime_, data_->message_text_ + data_->num_prefix_chars_, (data_->num_chars_to_log_ - data_->num_prefix_chars_ - 1) ); } } // L >= log_mutex (callers must hold the log_mutex). void LogMessage::SendToSinkAndLog() EXCLUSIVE_LOCKS_REQUIRED(log_mutex) { SendToSink(); SendToLog(); } // L >= log_mutex (callers must hold the log_mutex). void LogMessage::SaveOrSendToLog() EXCLUSIVE_LOCKS_REQUIRED(log_mutex) { if (data_->outvec_ != NULL) { RAW_DCHECK(data_->num_chars_to_log_ > 0 && data_->message_text_[data_->num_chars_to_log_-1] == '\n', ""); // Omit prefix of message and trailing newline when recording in outvec_. const char *start = data_->message_text_ + data_->num_prefix_chars_; size_t len = data_->num_chars_to_log_ - data_->num_prefix_chars_ - 1; data_->outvec_->push_back(string(start, len)); } else { SendToLog(); } } void LogMessage::WriteToStringAndLog() EXCLUSIVE_LOCKS_REQUIRED(log_mutex) { if (data_->message_ != NULL) { RAW_DCHECK(data_->num_chars_to_log_ > 0 && data_->message_text_[data_->num_chars_to_log_-1] == '\n', ""); // Omit prefix of message and trailing newline when writing to message_. const char *start = data_->message_text_ + data_->num_prefix_chars_; size_t len = data_->num_chars_to_log_ - data_->num_prefix_chars_ - 1; data_->message_->assign(start, len); } SendToLog(); } // L >= log_mutex (callers must hold the log_mutex). void LogMessage::SendToSyslogAndLog() { #ifdef HAVE_SYSLOG_H // Before any calls to syslog(), make a single call to openlog() static bool openlog_already_called = false; if (!openlog_already_called) { openlog(glog_internal_namespace_::ProgramInvocationShortName(), LOG_CONS | LOG_NDELAY | LOG_PID, LOG_USER); openlog_already_called = true; } // This array maps Google severity levels to syslog levels const int SEVERITY_TO_LEVEL[] = { LOG_INFO, LOG_WARNING, LOG_ERR, LOG_EMERG }; syslog(LOG_USER | SEVERITY_TO_LEVEL[static_cast(data_->severity_)], "%.*s", int(data_->num_chars_to_syslog_), data_->message_text_ + data_->num_prefix_chars_); SendToLog(); #else LOG(ERROR) << "No syslog support: message=" << data_->message_text_; #endif } base::Logger* base::GetLogger(LogSeverity severity) { MutexLock l(&log_mutex); return LogDestination::log_destination(severity)->logger_; } void base::SetLogger(LogSeverity severity, base::Logger* logger) { MutexLock l(&log_mutex); LogDestination::log_destination(severity)->logger_ = logger; } // L < log_mutex. Acquires and releases mutex_. int64 LogMessage::num_messages(int severity) { MutexLock l(&log_mutex); return num_messages_[severity]; } // Output the COUNTER value. This is only valid if ostream is a // LogStream. ostream& operator<<(ostream &os, const PRIVATE_Counter&) { #ifdef DISABLE_RTTI LogMessage::LogStream *log = static_cast(&os); #else LogMessage::LogStream *log = dynamic_cast(&os); #endif CHECK(log && log == log->self()) << "You must not use COUNTER with non-glog ostream"; os << log->ctr(); return os; } ErrnoLogMessage::ErrnoLogMessage(const char* file, int line, LogSeverity severity, int64 ctr, void (LogMessage::*send_method)()) : LogMessage(file, line, severity, ctr, send_method) {} ErrnoLogMessage::~ErrnoLogMessage() { // Don't access errno directly because it may have been altered // while streaming the message. stream() << ": " << StrError(preserved_errno()) << " [" << preserved_errno() << "]"; } void FlushLogFiles(LogSeverity min_severity) { LogDestination::FlushLogFiles(min_severity); } void FlushLogFilesUnsafe(LogSeverity min_severity) { LogDestination::FlushLogFilesUnsafe(min_severity); } void SetLogDestination(LogSeverity severity, const char* base_filename) { LogDestination::SetLogDestination(severity, base_filename); } void SetLogSymlink(LogSeverity severity, const char* symlink_basename) { LogDestination::SetLogSymlink(severity, symlink_basename); } LogSink::~LogSink() { } void LogSink::send(LogSeverity severity, const char* full_filename, const char* base_filename, int line, const LogMessageTime& time, const char* message, size_t message_len) { #if defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wdeprecated-declarations" #elif defined(_MSC_VER) #pragma warning(push) #pragma warning(disable : 4996) #endif // __GNUC__ send(severity, full_filename, base_filename, line, &time.tm(), message, message_len); #if defined(__GNUC__) #pragma GCC diagnostic pop #elif defined(_MSC_VER) #pragma warning(pop) #endif // __GNUC__ } void LogSink::send(LogSeverity severity, const char* full_filename, const char* base_filename, int line, const std::tm* t, const char* message, size_t message_len) { (void)severity; (void)full_filename; (void)base_filename; (void)line; (void)t; (void)message; (void)message_len; } void LogSink::WaitTillSent() { // noop default } string LogSink::ToString(LogSeverity severity, const char* file, int line, const LogMessageTime& logmsgtime, const char* message, size_t message_len) { ostringstream stream(string(message, message_len)); stream.fill('0'); stream << LogSeverityNames[severity][0] << setw(4) << 1900 + logmsgtime.year() << setw(2) << 1 + logmsgtime.month() << setw(2) << logmsgtime.day() << ' ' << setw(2) << logmsgtime.hour() << ':' << setw(2) << logmsgtime.min() << ':' << setw(2) << logmsgtime.sec() << '.' << setw(6) << logmsgtime.usec() << ' ' << setfill(' ') << setw(5) << GetTID() << setfill('0') << ' ' << file << ':' << line << "] "; stream << string(message, message_len); return stream.str(); } void AddLogSink(LogSink *destination) { LogDestination::AddLogSink(destination); } void RemoveLogSink(LogSink *destination) { LogDestination::RemoveLogSink(destination); } void SetLogFilenameExtension(const char* ext) { LogDestination::SetLogFilenameExtension(ext); } void SetStderrLogging(LogSeverity min_severity) { LogDestination::SetStderrLogging(min_severity); } void SetEmailLogging(LogSeverity min_severity, const char* addresses) { LogDestination::SetEmailLogging(min_severity, addresses); } void LogToStderr() { LogDestination::LogToStderr(); } namespace base { namespace internal { bool GetExitOnDFatal(); bool GetExitOnDFatal() { MutexLock l(&log_mutex); return exit_on_dfatal; } // Determines whether we exit the program for a LOG(DFATAL) message in // debug mode. It does this by skipping the call to Fail/FailQuietly. // This is intended for testing only. // // This can have some effects on LOG(FATAL) as well. Failure messages // are always allocated (rather than sharing a buffer), the crash // reason is not recorded, the "gwq" status message is not updated, // and the stack trace is not recorded. The LOG(FATAL) *will* still // exit the program. Since this function is used only in testing, // these differences are acceptable. void SetExitOnDFatal(bool value); void SetExitOnDFatal(bool value) { MutexLock l(&log_mutex); exit_on_dfatal = value; } } // namespace internal } // namespace base // Shell-escaping as we need to shell out ot /bin/mail. static const char kDontNeedShellEscapeChars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz" "0123456789+-_.=/:,@"; static string ShellEscape(const string& src) { string result; if (!src.empty() && // empty string needs quotes src.find_first_not_of(kDontNeedShellEscapeChars) == string::npos) { // only contains chars that don't need quotes; it's fine result.assign(src); } else if (src.find_first_of('\'') == string::npos) { // no single quotes; just wrap it in single quotes result.assign("'"); result.append(src); result.append("'"); } else { // needs double quote escaping result.assign("\""); for (size_t i = 0; i < src.size(); ++i) { switch (src[i]) { case '\\': case '$': case '"': case '`': result.append("\\"); } result.append(src, i, 1); } result.append("\""); } return result; } // use_logging controls whether the logging functions LOG/VLOG are used // to log errors. It should be set to false when the caller holds the // log_mutex. static bool SendEmailInternal(const char*dest, const char *subject, const char*body, bool use_logging) { #ifndef __EMSCRIPTEN__ if (dest && *dest) { if ( use_logging ) { VLOG(1) << "Trying to send TITLE:" << subject << " BODY:" << body << " to " << dest; } else { fprintf(stderr, "Trying to send TITLE: %s BODY: %s to %s\n", subject, body, dest); } string logmailer = FLAGS_logmailer; if (logmailer.empty()) { logmailer = "/bin/mail"; } string cmd = logmailer + " -s" + ShellEscape(subject) + " " + ShellEscape(dest); if (use_logging) { VLOG(4) << "Mailing command: " << cmd; } FILE* pipe = popen(cmd.c_str(), "w"); if (pipe != NULL) { // Add the body if we have one if (body) { fwrite(body, sizeof(char), strlen(body), pipe); } bool ok = pclose(pipe) != -1; if ( !ok ) { if ( use_logging ) { LOG(ERROR) << "Problems sending mail to " << dest << ": " << StrError(errno); } else { fprintf(stderr, "Problems sending mail to %s: %s\n", dest, StrError(errno).c_str()); } } return ok; } else { if ( use_logging ) { LOG(ERROR) << "Unable to send mail to " << dest; } else { fprintf(stderr, "Unable to send mail to %s\n", dest); } } } #endif return false; } bool SendEmail(const char*dest, const char *subject, const char*body){ return SendEmailInternal(dest, subject, body, true); } static void GetTempDirectories(vector* list) { list->clear(); #ifdef GLOG_OS_WINDOWS // On windows we'll try to find a directory in this order: // C:/Documents & Settings/whomever/TEMP (or whatever GetTempPath() is) // C:/TMP/ // C:/TEMP/ // C:/WINDOWS/ or C:/WINNT/ // . char tmp[MAX_PATH]; if (GetTempPathA(MAX_PATH, tmp)) list->push_back(tmp); list->push_back("C:\\tmp\\"); list->push_back("C:\\temp\\"); #else // Directories, in order of preference. If we find a dir that // exists, we stop adding other less-preferred dirs const char * candidates[] = { // Non-null only during unittest/regtest getenv("TEST_TMPDIR"), // Explicitly-supplied temp dirs getenv("TMPDIR"), getenv("TMP"), // If all else fails "/tmp", }; for (size_t i = 0; i < ARRAYSIZE(candidates); i++) { const char *d = candidates[i]; if (!d) continue; // Empty env var // Make sure we don't surprise anyone who's expecting a '/' string dstr = d; if (dstr[dstr.size() - 1] != '/') { dstr += "/"; } list->push_back(dstr); struct stat statbuf; if (!stat(d, &statbuf) && S_ISDIR(statbuf.st_mode)) { // We found a dir that exists - we're done. return; } } #endif } static vector* logging_directories_list; const vector& GetLoggingDirectories() { // Not strictly thread-safe but we're called early in InitGoogle(). if (logging_directories_list == NULL) { logging_directories_list = new vector; if ( !FLAGS_log_dir.empty() ) { // A dir was specified, we should use it logging_directories_list->push_back(FLAGS_log_dir); } else { GetTempDirectories(logging_directories_list); #ifdef GLOG_OS_WINDOWS char tmp[MAX_PATH]; if (GetWindowsDirectoryA(tmp, MAX_PATH)) logging_directories_list->push_back(tmp); logging_directories_list->push_back(".\\"); #else logging_directories_list->push_back("./"); #endif } } return *logging_directories_list; } void TestOnly_ClearLoggingDirectoriesList() { fprintf(stderr, "TestOnly_ClearLoggingDirectoriesList should only be " "called from test code.\n"); delete logging_directories_list; logging_directories_list = NULL; } void GetExistingTempDirectories(vector* list) { GetTempDirectories(list); vector::iterator i_dir = list->begin(); while( i_dir != list->end() ) { // zero arg to access means test for existence; no constant // defined on windows if ( access(i_dir->c_str(), 0) ) { i_dir = list->erase(i_dir); } else { ++i_dir; } } } void TruncateLogFile(const char *path, uint64 limit, uint64 keep) { #ifdef HAVE_UNISTD_H struct stat statbuf; const int kCopyBlockSize = 8 << 10; char copybuf[kCopyBlockSize]; off_t read_offset, write_offset; // Don't follow symlinks unless they're our own fd symlinks in /proc int flags = O_RDWR; // TODO(hamaji): Support other environments. #ifdef GLOG_OS_LINUX const char *procfd_prefix = "/proc/self/fd/"; if (strncmp(procfd_prefix, path, strlen(procfd_prefix))) flags |= O_NOFOLLOW; #endif int fd = open(path, flags); if (fd == -1) { if (errno == EFBIG) { // The log file in question has got too big for us to open. The // real fix for this would be to compile logging.cc (or probably // all of base/...) with -D_FILE_OFFSET_BITS=64 but that's // rather scary. // Instead just truncate the file to something we can manage if (truncate(path, 0) == -1) { PLOG(ERROR) << "Unable to truncate " << path; } else { LOG(ERROR) << "Truncated " << path << " due to EFBIG error"; } } else { PLOG(ERROR) << "Unable to open " << path; } return; } if (fstat(fd, &statbuf) == -1) { PLOG(ERROR) << "Unable to fstat()"; goto out_close_fd; } // See if the path refers to a regular file bigger than the // specified limit if (!S_ISREG(statbuf.st_mode)) goto out_close_fd; if (statbuf.st_size <= static_cast(limit)) goto out_close_fd; if (statbuf.st_size <= static_cast(keep)) goto out_close_fd; // This log file is too large - we need to truncate it LOG(INFO) << "Truncating " << path << " to " << keep << " bytes"; // Copy the last "keep" bytes of the file to the beginning of the file read_offset = statbuf.st_size - static_cast(keep); write_offset = 0; ssize_t bytesin, bytesout; while ((bytesin = pread(fd, copybuf, sizeof(copybuf), read_offset)) > 0) { bytesout = pwrite(fd, copybuf, static_cast(bytesin), write_offset); if (bytesout == -1) { PLOG(ERROR) << "Unable to write to " << path; break; } else if (bytesout != bytesin) { LOG(ERROR) << "Expected to write " << bytesin << ", wrote " << bytesout; } read_offset += bytesin; write_offset += bytesout; } if (bytesin == -1) PLOG(ERROR) << "Unable to read from " << path; // Truncate the remainder of the file. If someone else writes to the // end of the file after our last read() above, we lose their latest // data. Too bad ... if (ftruncate(fd, write_offset) == -1) { PLOG(ERROR) << "Unable to truncate " << path; } out_close_fd: close(fd); #else LOG(ERROR) << "No log truncation support."; #endif } void TruncateStdoutStderr() { #ifdef HAVE_UNISTD_H uint64 limit = MaxLogSize() << 20U; uint64 keep = 1U << 20U; TruncateLogFile("/proc/self/fd/1", limit, keep); TruncateLogFile("/proc/self/fd/2", limit, keep); #else LOG(ERROR) << "No log truncation support."; #endif } // Helper functions for string comparisons. #define DEFINE_CHECK_STROP_IMPL(name, func, expected) \ string* Check##func##expected##Impl(const char* s1, const char* s2, \ const char* names) { \ bool equal = s1 == s2 || (s1 && s2 && !func(s1, s2)); \ if (equal == expected) return NULL; \ else { \ ostringstream ss; \ if (!s1) s1 = ""; \ if (!s2) s2 = ""; \ ss << #name " failed: " << names << " (" << s1 << " vs. " << s2 << ")"; \ return new string(ss.str()); \ } \ } DEFINE_CHECK_STROP_IMPL(CHECK_STREQ, strcmp, true) DEFINE_CHECK_STROP_IMPL(CHECK_STRNE, strcmp, false) DEFINE_CHECK_STROP_IMPL(CHECK_STRCASEEQ, strcasecmp, true) DEFINE_CHECK_STROP_IMPL(CHECK_STRCASENE, strcasecmp, false) #undef DEFINE_CHECK_STROP_IMPL int posix_strerror_r(int err, char *buf, size_t len) { // Sanity check input parameters if (buf == NULL || len <= 0) { errno = EINVAL; return -1; } // Reset buf and errno, and try calling whatever version of strerror_r() // is implemented by glibc buf[0] = '\000'; int old_errno = errno; errno = 0; char *rc = reinterpret_cast(strerror_r(err, buf, len)); // Both versions set errno on failure if (errno) { // Should already be there, but better safe than sorry buf[0] = '\000'; return -1; } errno = old_errno; // POSIX is vague about whether the string will be terminated, although // is indirectly implies that typically ERANGE will be returned, instead // of truncating the string. This is different from the GNU implementation. // We play it safe by always terminating the string explicitly. buf[len-1] = '\000'; // If the function succeeded, we can use its exit code to determine the // semantics implemented by glibc if (!rc) { return 0; } else { // GNU semantics detected if (rc == buf) { return 0; } else { buf[0] = '\000'; #if defined(GLOG_OS_MACOSX) || defined(GLOG_OS_FREEBSD) || defined(GLOG_OS_OPENBSD) if (reinterpret_cast(rc) < sys_nerr) { // This means an error on MacOSX or FreeBSD. return -1; } #endif strncat(buf, rc, len-1); return 0; } } } string StrError(int err) { char buf[100]; int rc = posix_strerror_r(err, buf, sizeof(buf)); if ((rc < 0) || (buf[0] == '\000')) { snprintf(buf, sizeof(buf), "Error number %d", err); } return buf; } LogMessageFatal::LogMessageFatal(const char* file, int line) : LogMessage(file, line, GLOG_FATAL) {} LogMessageFatal::LogMessageFatal(const char* file, int line, const CheckOpString& result) : LogMessage(file, line, result) {} LogMessageFatal::~LogMessageFatal() { Flush(); LogMessage::Fail(); } namespace base { CheckOpMessageBuilder::CheckOpMessageBuilder(const char *exprtext) : stream_(new ostringstream) { *stream_ << exprtext << " ("; } CheckOpMessageBuilder::~CheckOpMessageBuilder() { delete stream_; } ostream* CheckOpMessageBuilder::ForVar2() { *stream_ << " vs. "; return stream_; } string* CheckOpMessageBuilder::NewString() { *stream_ << ")"; return new string(stream_->str()); } } // namespace base template <> void MakeCheckOpValueString(std::ostream* os, const char& v) { if (v >= 32 && v <= 126) { (*os) << "'" << v << "'"; } else { (*os) << "char value " << static_cast(v); } } template <> void MakeCheckOpValueString(std::ostream* os, const signed char& v) { if (v >= 32 && v <= 126) { (*os) << "'" << v << "'"; } else { (*os) << "signed char value " << static_cast(v); } } template <> void MakeCheckOpValueString(std::ostream* os, const unsigned char& v) { if (v >= 32 && v <= 126) { (*os) << "'" << v << "'"; } else { (*os) << "unsigned char value " << static_cast(v); } } #if defined(HAVE_CXX11_NULLPTR_T) && __cplusplus >= 201103L template <> void MakeCheckOpValueString(std::ostream* os, const std::nullptr_t& /*v*/) { (*os) << "nullptr"; } #endif // defined(HAVE_CXX11_NULLPTR_T) void InitGoogleLogging(const char* argv0) { glog_internal_namespace_::InitGoogleLoggingUtilities(argv0); } #ifdef GLOG_CUSTOM_PREFIX_SUPPORT void InitGoogleLogging(const char* argv0, CustomPrefixCallback prefix_callback, void* prefix_callback_data) { custom_prefix_callback = prefix_callback; custom_prefix_callback_data = prefix_callback_data; InitGoogleLogging(argv0); } #endif void ShutdownGoogleLogging() { glog_internal_namespace_::ShutdownGoogleLoggingUtilities(); LogDestination::DeleteLogDestinations(); delete logging_directories_list; logging_directories_list = NULL; } void EnableLogCleaner(unsigned int overdue_days) { log_cleaner.Enable(overdue_days); } void DisableLogCleaner() { log_cleaner.Disable(); } LogMessageTime::LogMessageTime() : time_struct_(), timestamp_(0), usecs_(0), gmtoffset_(0) {} LogMessageTime::LogMessageTime(std::tm t) { std::time_t timestamp = std::mktime(&t); init(t, timestamp, 0); } LogMessageTime::LogMessageTime(std::time_t timestamp, WallTime now) { std::tm t; if (FLAGS_log_utc_time) gmtime_r(×tamp, &t); else localtime_r(×tamp, &t); init(t, timestamp, now); } void LogMessageTime::init(const std::tm& t, std::time_t timestamp, WallTime now) { time_struct_ = t; timestamp_ = timestamp; usecs_ = static_cast((now - timestamp) * 1000000); CalcGmtOffset(); } void LogMessageTime::CalcGmtOffset() { std::tm gmt_struct; int isDst = 0; if ( FLAGS_log_utc_time ) { localtime_r(×tamp_, &gmt_struct); isDst = gmt_struct.tm_isdst; gmt_struct = time_struct_; } else { isDst = time_struct_.tm_isdst; gmtime_r(×tamp_, &gmt_struct); } time_t gmt_sec = mktime(&gmt_struct); const long hour_secs = 3600; // If the Daylight Saving Time(isDst) is active subtract an hour from the current timestamp. gmtoffset_ = static_cast(timestamp_ - gmt_sec + (isDst ? hour_secs : 0) ) ; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/logging_custom_prefix_unittest.cc000066400000000000000000001224101422266545700221140ustar00rootroot00000000000000// Copyright (c) 2002, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Ray Sidney #include "utilities.h" #include #ifdef HAVE_GLOB_H # include #endif #include #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_WAIT_H # include #endif #include #include #include #include #include #include #include #include #include #include #include #include "base/commandlineflags.h" #include #include #include "googletest.h" DECLARE_string(log_backtrace_at); // logging.cc #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif #ifdef HAVE_LIB_GMOCK #include #include "mock-log.h" // Introduce several symbols from gmock. using testing::_; using testing::AnyNumber; using testing::HasSubstr; using testing::AllOf; using testing::StrNe; using testing::StrictMock; using testing::InitGoogleMock; using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog; #endif using namespace std; using namespace GOOGLE_NAMESPACE; // Some non-advertised functions that we want to test or use. _START_GOOGLE_NAMESPACE_ namespace base { namespace internal { bool GetExitOnDFatal(); void SetExitOnDFatal(bool value); } // namespace internal } // namespace base _END_GOOGLE_NAMESPACE_ static void TestLogging(bool check_counts); static void TestRawLogging(); static void LogWithLevels(int v, int severity, bool err, bool alsoerr); static void TestLoggingLevels(); static void TestLogString(); static void TestLogSink(); static void TestLogToString(); static void TestLogSinkWaitTillSent(); static void TestCHECK(); static void TestDCHECK(); static void TestSTREQ(); static void TestBasename(); static void TestBasenameAppendWhenNoTimestamp(); static void TestTwoProcessesWrite(); static void TestSymlink(); static void TestExtension(); static void TestWrapper(); static void TestErrno(); static void TestTruncate(); static void TestCustomLoggerDeletionOnShutdown(); static int x = -1; static void BM_Check1(int n) { while (n-- > 0) { CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); } } BENCHMARK(BM_Check1) static void CheckFailure(int a, int b, const char* file, int line, const char* msg); static void BM_Check3(int n) { while (n-- > 0) { if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); } } BENCHMARK(BM_Check3) static void BM_Check2(int n) { if (n == 17) { x = 5; } while (n-- > 0) { CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); } } BENCHMARK(BM_Check2) static void CheckFailure(int, int, const char* /* file */, int /* line */, const char* /* msg */) { } static void BM_logspeed(int n) { while (n-- > 0) { LOG(INFO) << "test message"; } } BENCHMARK(BM_logspeed) static void BM_vlog(int n) { while (n-- > 0) { VLOG(1) << "test message"; } } BENCHMARK(BM_vlog) // Dynamically generate a prefix using the default format and write it to the stream. void PrefixAttacher(std::ostream &s, const LogMessageInfo &l, void* data) { // Assert that `data` contains the expected contents before producing the // prefix (otherwise causing the tests to fail): if (data == NULL || *static_cast(data) != "good data") { return; } s << l.severity[0] << setw(4) << 1900 + l.time.year() << setw(2) << 1 + l.time.month() << setw(2) << l.time.day() << ' ' << setw(2) << l.time.hour() << ':' << setw(2) << l.time.min() << ':' << setw(2) << l.time.sec() << "." << setw(6) << l.time.usec() << ' ' << setfill(' ') << setw(5) << l.thread_id << setfill('0') << ' ' << l.filename << ':' << l.line_number << "]"; } int main(int argc, char **argv) { FLAGS_colorlogtostderr = false; FLAGS_timestamp_in_logfile_name = true; // Make sure stderr is not buffered as stderr seems to be buffered // on recent windows. setbuf(stderr, NULL); // Test some basics before InitGoogleLogging: CaptureTestStderr(); LogWithLevels(FLAGS_v, FLAGS_stderrthreshold, FLAGS_logtostderr, FLAGS_alsologtostderr); LogWithLevels(0, 0, 0, 0); // simulate "before global c-tors" const string early_stderr = GetCapturedTestStderr(); EXPECT_FALSE(IsGoogleLoggingInitialized()); // Setting a custom prefix generator (it will use the default format so that // the golden outputs can be reused): string prefix_attacher_data = "good data"; InitGoogleLogging(argv[0], &PrefixAttacher, static_cast(&prefix_attacher_data)); EXPECT_TRUE(IsGoogleLoggingInitialized()); RunSpecifiedBenchmarks(); FLAGS_logtostderr = true; InitGoogleTest(&argc, argv); #ifdef HAVE_LIB_GMOCK InitGoogleMock(&argc, argv); #endif #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif // so that death tests run before we use threads CHECK_EQ(RUN_ALL_TESTS(), 0); CaptureTestStderr(); // re-emit early_stderr LogMessage("dummy", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << early_stderr; TestLogging(true); TestRawLogging(); TestLoggingLevels(); TestLogString(); TestLogSink(); TestLogToString(); TestLogSinkWaitTillSent(); TestCHECK(); TestDCHECK(); TestSTREQ(); // TODO: The golden test portion of this test is very flakey. EXPECT_TRUE( MungeAndDiffTestStderr(FLAGS_test_srcdir + "/src/logging_custom_prefix_unittest.err")); FLAGS_logtostderr = false; TestBasename(); TestBasenameAppendWhenNoTimestamp(); TestTwoProcessesWrite(); TestSymlink(); TestExtension(); TestWrapper(); TestErrno(); TestTruncate(); TestCustomLoggerDeletionOnShutdown(); fprintf(stdout, "PASS\n"); return 0; } void TestLogging(bool check_counts) { int64 base_num_infos = LogMessage::num_messages(GLOG_INFO); int64 base_num_warning = LogMessage::num_messages(GLOG_WARNING); int64 base_num_errors = LogMessage::num_messages(GLOG_ERROR); LOG(INFO) << string("foo ") << "bar " << 10 << ' ' << 3.4; for ( int i = 0; i < 10; ++i ) { int old_errno = errno; errno = i; PLOG_EVERY_N(ERROR, 2) << "Plog every 2, iteration " << COUNTER; errno = old_errno; LOG_EVERY_N(ERROR, 3) << "Log every 3, iteration " << COUNTER << endl; LOG_EVERY_N(ERROR, 4) << "Log every 4, iteration " << COUNTER << endl; LOG_IF_EVERY_N(WARNING, true, 5) << "Log if every 5, iteration " << COUNTER; LOG_IF_EVERY_N(WARNING, false, 3) << "Log if every 3, iteration " << COUNTER; LOG_IF_EVERY_N(INFO, true, 1) << "Log if every 1, iteration " << COUNTER; LOG_IF_EVERY_N(ERROR, (i < 3), 2) << "Log if less than 3 every 2, iteration " << COUNTER; } LOG_IF(WARNING, true) << "log_if this"; LOG_IF(WARNING, false) << "don't log_if this"; char s[] = "array"; LOG(INFO) << s; const char const_s[] = "const array"; LOG(INFO) << const_s; int j = 1000; LOG(ERROR) << string("foo") << ' '<< j << ' ' << setw(10) << j << " " << setw(1) << hex << j; LOG(INFO) << "foo " << std::setw(10) << 1.0; { google::LogMessage outer(__FILE__, __LINE__, GLOG_ERROR); outer.stream() << "outer"; LOG(ERROR) << "inner"; } LogMessage("foo", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << "no prefix"; if (check_counts) { CHECK_EQ(base_num_infos + 15, LogMessage::num_messages(GLOG_INFO)); CHECK_EQ(base_num_warning + 3, LogMessage::num_messages(GLOG_WARNING)); CHECK_EQ(base_num_errors + 17, LogMessage::num_messages(GLOG_ERROR)); } } static void NoAllocNewHook() { LOG(FATAL) << "unexpected new"; } struct NewHook { NewHook() { g_new_hook = &NoAllocNewHook; } ~NewHook() { g_new_hook = NULL; } }; TEST(DeathNoAllocNewHook, logging) { // tests that NewHook used below works NewHook new_hook; ASSERT_DEATH({ new int; }, "unexpected new"); } void TestRawLogging() { string* foo = new string("foo "); string huge_str(50000, 'a'); FlagSaver saver; // Check that RAW loggging does not use mallocs. NewHook new_hook; RAW_LOG(INFO, "%s%s%d%c%f", foo->c_str(), "bar ", 10, ' ', 3.4); char s[] = "array"; RAW_LOG(WARNING, "%s", s); const char const_s[] = "const array"; RAW_LOG(INFO, "%s", const_s); void* p = reinterpret_cast(PTR_TEST_VALUE); RAW_LOG(INFO, "ptr %p", p); p = NULL; RAW_LOG(INFO, "ptr %p", p); int j = 1000; RAW_LOG(ERROR, "%s%d%c%010d%s%1x", foo->c_str(), j, ' ', j, " ", j); RAW_VLOG(0, "foo %d", j); #if defined(NDEBUG) RAW_LOG(INFO, "foo %d", j); // so that have same stderr to compare #else RAW_DLOG(INFO, "foo %d", j); // test RAW_DLOG in debug mode #endif // test how long messages are chopped: RAW_LOG(WARNING, "Huge string: %s", huge_str.c_str()); RAW_VLOG(0, "Huge string: %s", huge_str.c_str()); FLAGS_v = 0; RAW_LOG(INFO, "log"); RAW_VLOG(0, "vlog 0 on"); RAW_VLOG(1, "vlog 1 off"); RAW_VLOG(2, "vlog 2 off"); RAW_VLOG(3, "vlog 3 off"); FLAGS_v = 2; RAW_LOG(INFO, "log"); RAW_VLOG(1, "vlog 1 on"); RAW_VLOG(2, "vlog 2 on"); RAW_VLOG(3, "vlog 3 off"); #if defined(NDEBUG) RAW_DCHECK(1 == 2, " RAW_DCHECK's shouldn't be compiled in normal mode"); #endif RAW_CHECK(1 == 1, "should be ok"); RAW_DCHECK(true, "should be ok"); delete foo; } void LogWithLevels(int v, int severity, bool err, bool alsoerr) { RAW_LOG(INFO, "Test: v=%d stderrthreshold=%d logtostderr=%d alsologtostderr=%d", v, severity, err, alsoerr); FlagSaver saver; FLAGS_v = v; FLAGS_stderrthreshold = severity; FLAGS_logtostderr = err; FLAGS_alsologtostderr = alsoerr; RAW_VLOG(-1, "vlog -1"); RAW_VLOG(0, "vlog 0"); RAW_VLOG(1, "vlog 1"); RAW_LOG(INFO, "log info"); RAW_LOG(WARNING, "log warning"); RAW_LOG(ERROR, "log error"); VLOG(-1) << "vlog -1"; VLOG(0) << "vlog 0"; VLOG(1) << "vlog 1"; LOG(INFO) << "log info"; LOG(WARNING) << "log warning"; LOG(ERROR) << "log error"; VLOG_IF(-1, true) << "vlog_if -1"; VLOG_IF(-1, false) << "don't vlog_if -1"; VLOG_IF(0, true) << "vlog_if 0"; VLOG_IF(0, false) << "don't vlog_if 0"; VLOG_IF(1, true) << "vlog_if 1"; VLOG_IF(1, false) << "don't vlog_if 1"; LOG_IF(INFO, true) << "log_if info"; LOG_IF(INFO, false) << "don't log_if info"; LOG_IF(WARNING, true) << "log_if warning"; LOG_IF(WARNING, false) << "don't log_if warning"; LOG_IF(ERROR, true) << "log_if error"; LOG_IF(ERROR, false) << "don't log_if error"; int c; c = 1; VLOG_IF(100, c -= 2) << "vlog_if 100 expr"; EXPECT_EQ(c, -1); c = 1; VLOG_IF(0, c -= 2) << "vlog_if 0 expr"; EXPECT_EQ(c, -1); c = 1; LOG_IF(INFO, c -= 2) << "log_if info expr"; EXPECT_EQ(c, -1); c = 1; LOG_IF(ERROR, c -= 2) << "log_if error expr"; EXPECT_EQ(c, -1); c = 2; VLOG_IF(0, c -= 2) << "don't vlog_if 0 expr"; EXPECT_EQ(c, 0); c = 2; LOG_IF(ERROR, c -= 2) << "don't log_if error expr"; EXPECT_EQ(c, 0); c = 3; LOG_IF_EVERY_N(INFO, c -= 4, 1) << "log_if info every 1 expr"; EXPECT_EQ(c, -1); c = 3; LOG_IF_EVERY_N(ERROR, c -= 4, 1) << "log_if error every 1 expr"; EXPECT_EQ(c, -1); c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if info every 3 expr"; EXPECT_EQ(c, 0); c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if error every 3 expr"; EXPECT_EQ(c, 0); c = 5; VLOG_IF_EVERY_N(0, c -= 4, 1) << "vlog_if 0 every 1 expr"; EXPECT_EQ(c, 1); c = 5; VLOG_IF_EVERY_N(100, c -= 4, 3) << "vlog_if 100 every 3 expr"; EXPECT_EQ(c, 1); c = 6; VLOG_IF_EVERY_N(0, c -= 6, 1) << "don't vlog_if 0 every 1 expr"; EXPECT_EQ(c, 0); c = 6; VLOG_IF_EVERY_N(100, c -= 6, 3) << "don't vlog_if 100 every 1 expr"; EXPECT_EQ(c, 0); } void TestLoggingLevels() { LogWithLevels(0, GLOG_INFO, false, false); LogWithLevels(1, GLOG_INFO, false, false); LogWithLevels(-1, GLOG_INFO, false, false); LogWithLevels(0, GLOG_WARNING, false, false); LogWithLevels(0, GLOG_ERROR, false, false); LogWithLevels(0, GLOG_FATAL, false, false); LogWithLevels(0, GLOG_FATAL, true, false); LogWithLevels(0, GLOG_FATAL, false, true); LogWithLevels(1, GLOG_WARNING, false, false); LogWithLevels(1, GLOG_FATAL, false, true); } TEST(DeathRawCHECK, logging) { ASSERT_DEATH(RAW_CHECK(false, "failure 1"), "RAW: Check false failed: failure 1"); ASSERT_DEBUG_DEATH(RAW_DCHECK(1 == 2, "failure 2"), "RAW: Check 1 == 2 failed: failure 2"); } void TestLogString() { vector errors; vector *no_errors = NULL; LOG_STRING(INFO, &errors) << "LOG_STRING: " << "collected info"; LOG_STRING(WARNING, &errors) << "LOG_STRING: " << "collected warning"; LOG_STRING(ERROR, &errors) << "LOG_STRING: " << "collected error"; LOG_STRING(INFO, no_errors) << "LOG_STRING: " << "reported info"; LOG_STRING(WARNING, no_errors) << "LOG_STRING: " << "reported warning"; LOG_STRING(ERROR, NULL) << "LOG_STRING: " << "reported error"; for (size_t i = 0; i < errors.size(); ++i) { LOG(INFO) << "Captured by LOG_STRING: " << errors[i]; } } void TestLogToString() { string error; string* no_error = NULL; LOG_TO_STRING(INFO, &error) << "LOG_TO_STRING: " << "collected info"; LOG(INFO) << "Captured by LOG_TO_STRING: " << error; LOG_TO_STRING(WARNING, &error) << "LOG_TO_STRING: " << "collected warning"; LOG(INFO) << "Captured by LOG_TO_STRING: " << error; LOG_TO_STRING(ERROR, &error) << "LOG_TO_STRING: " << "collected error"; LOG(INFO) << "Captured by LOG_TO_STRING: " << error; LOG_TO_STRING(INFO, no_error) << "LOG_TO_STRING: " << "reported info"; LOG_TO_STRING(WARNING, no_error) << "LOG_TO_STRING: " << "reported warning"; LOG_TO_STRING(ERROR, NULL) << "LOG_TO_STRING: " << "reported error"; } class TestLogSinkImpl : public LogSink { public: vector errors; virtual void send(LogSeverity severity, const char* /* full_filename */, const char* base_filename, int line, const LogMessageTime &logmsgtime, const char* message, size_t message_len) { errors.push_back( ToString(severity, base_filename, line, logmsgtime, message, message_len)); } }; void TestLogSink() { TestLogSinkImpl sink; LogSink *no_sink = NULL; LOG_TO_SINK(&sink, INFO) << "LOG_TO_SINK: " << "collected info"; LOG_TO_SINK(&sink, WARNING) << "LOG_TO_SINK: " << "collected warning"; LOG_TO_SINK(&sink, ERROR) << "LOG_TO_SINK: " << "collected error"; LOG_TO_SINK(no_sink, INFO) << "LOG_TO_SINK: " << "reported info"; LOG_TO_SINK(no_sink, WARNING) << "LOG_TO_SINK: " << "reported warning"; LOG_TO_SINK(NULL, ERROR) << "LOG_TO_SINK: " << "reported error"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, INFO) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected info"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, WARNING) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected warning"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, ERROR) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected error"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, INFO) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed info"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, WARNING) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed warning"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(NULL, ERROR) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed error"; LOG(INFO) << "Captured by LOG_TO_SINK:"; for (size_t i = 0; i < sink.errors.size(); ++i) { LogMessage("foo", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << sink.errors[i]; } } // For testing using CHECK*() on anonymous enums. enum { CASE_A, CASE_B }; void TestCHECK() { // Tests using CHECK*() on int values. CHECK(1 == 1); CHECK_EQ(1, 1); CHECK_NE(1, 2); CHECK_GE(1, 1); CHECK_GE(2, 1); CHECK_LE(1, 1); CHECK_LE(1, 2); CHECK_GT(2, 1); CHECK_LT(1, 2); // Tests using CHECK*() on anonymous enums. // Apple's GCC doesn't like this. #if !defined(GLOG_OS_MACOSX) CHECK_EQ(CASE_A, CASE_A); CHECK_NE(CASE_A, CASE_B); CHECK_GE(CASE_A, CASE_A); CHECK_GE(CASE_B, CASE_A); CHECK_LE(CASE_A, CASE_A); CHECK_LE(CASE_A, CASE_B); CHECK_GT(CASE_B, CASE_A); CHECK_LT(CASE_A, CASE_B); #endif } void TestDCHECK() { #if defined(NDEBUG) DCHECK( 1 == 2 ) << " DCHECK's shouldn't be compiled in normal mode"; #endif DCHECK( 1 == 1 ); DCHECK_EQ(1, 1); DCHECK_NE(1, 2); DCHECK_GE(1, 1); DCHECK_GE(2, 1); DCHECK_LE(1, 1); DCHECK_LE(1, 2); DCHECK_GT(2, 1); DCHECK_LT(1, 2); int64* orig_ptr = new int64; int64* ptr = DCHECK_NOTNULL(orig_ptr); CHECK_EQ(ptr, orig_ptr); delete orig_ptr; } void TestSTREQ() { CHECK_STREQ("this", "this"); CHECK_STREQ(NULL, NULL); CHECK_STRCASEEQ("this", "tHiS"); CHECK_STRCASEEQ(NULL, NULL); CHECK_STRNE("this", "tHiS"); CHECK_STRNE("this", NULL); CHECK_STRCASENE("this", "that"); CHECK_STRCASENE(NULL, "that"); CHECK_STREQ((string("a")+"b").c_str(), "ab"); CHECK_STREQ(string("test").c_str(), (string("te") + string("st")).c_str()); } TEST(DeathSTREQ, logging) { ASSERT_DEATH(CHECK_STREQ(NULL, "this"), ""); ASSERT_DEATH(CHECK_STREQ("this", "siht"), ""); ASSERT_DEATH(CHECK_STRCASEEQ(NULL, "siht"), ""); ASSERT_DEATH(CHECK_STRCASEEQ("this", "siht"), ""); ASSERT_DEATH(CHECK_STRNE(NULL, NULL), ""); ASSERT_DEATH(CHECK_STRNE("this", "this"), ""); ASSERT_DEATH(CHECK_STREQ((string("a")+"b").c_str(), "abc"), ""); } TEST(CheckNOTNULL, Simple) { int64 t; void *ptr = static_cast(&t); void *ref = CHECK_NOTNULL(ptr); EXPECT_EQ(ptr, ref); CHECK_NOTNULL(reinterpret_cast(ptr)); CHECK_NOTNULL(reinterpret_cast(ptr)); CHECK_NOTNULL(reinterpret_cast(ptr)); CHECK_NOTNULL(reinterpret_cast(ptr)); } TEST(DeathCheckNN, Simple) { ASSERT_DEATH(CHECK_NOTNULL(static_cast(NULL)), ""); } // Get list of file names that match pattern static void GetFiles(const string& pattern, vector* files) { files->clear(); #if defined(HAVE_GLOB_H) glob_t g; const int r = glob(pattern.c_str(), 0, NULL, &g); CHECK((r == 0) || (r == GLOB_NOMATCH)) << ": error matching " << pattern; for (size_t i = 0; i < g.gl_pathc; i++) { files->push_back(string(g.gl_pathv[i])); } globfree(&g); #elif defined(GLOG_OS_WINDOWS) WIN32_FIND_DATAA data; HANDLE handle = FindFirstFileA(pattern.c_str(), &data); size_t index = pattern.rfind('\\'); if (index == string::npos) { LOG(FATAL) << "No directory separator."; } const string dirname = pattern.substr(0, index + 1); if (handle == INVALID_HANDLE_VALUE) { // Finding no files is OK. return; } do { files->push_back(dirname + data.cFileName); } while (FindNextFileA(handle, &data)); BOOL result = FindClose(handle); LOG_SYSRESULT(result != 0); #else # error There is no way to do glob. #endif } // Delete files patching pattern static void DeleteFiles(const string& pattern) { vector files; GetFiles(pattern, &files); for (size_t i = 0; i < files.size(); i++) { CHECK(unlink(files[i].c_str()) == 0) << ": " << strerror(errno); } } //check string is in file (or is *NOT*, depending on optional checkInFileOrNot) static void CheckFile(const string& name, const string& expected_string, const bool checkInFileOrNot = true) { vector files; GetFiles(name + "*", &files); CHECK_EQ(files.size(), 1UL); FILE* file = fopen(files[0].c_str(), "r"); CHECK(file != NULL) << ": could not open " << files[0]; char buf[1000]; while (fgets(buf, sizeof(buf), file) != NULL) { char* first = strstr(buf, expected_string.c_str()); //if first == NULL, not found. //Terser than if (checkInFileOrNot && first != NULL || !check... if (checkInFileOrNot != (first == NULL)) { fclose(file); return; } } fclose(file); LOG(FATAL) << "Did " << (checkInFileOrNot? "not " : "") << "find " << expected_string << " in " << files[0]; } static void TestBasename() { fprintf(stderr, "==== Test setting log file basename\n"); const string dest = FLAGS_test_tmpdir + "/logging_test_basename"; DeleteFiles(dest + "*"); SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new base"; FlushLogFiles(GLOG_INFO); CheckFile(dest, "message to new base"); // Release file handle for the destination file to unlock the file in Windows. LogToStderr(); DeleteFiles(dest + "*"); } static void TestBasenameAppendWhenNoTimestamp() { fprintf(stderr, "==== Test setting log file basename without timestamp and appending properly\n"); const string dest = FLAGS_test_tmpdir + "/logging_test_basename_append_when_no_timestamp"; DeleteFiles(dest + "*"); ofstream out(dest.c_str()); out << "test preexisting content" << endl; out.close(); CheckFile(dest, "test preexisting content"); FLAGS_timestamp_in_logfile_name=false; SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new base, appending to preexisting file"; FlushLogFiles(GLOG_INFO); FLAGS_timestamp_in_logfile_name=true; //if the logging overwrites the file instead of appending it will fail. CheckFile(dest, "test preexisting content"); CheckFile(dest, "message to new base, appending to preexisting file"); // Release file handle for the destination file to unlock the file in Windows. LogToStderr(); DeleteFiles(dest + "*"); } static void TestTwoProcessesWrite() { // test only implemented for platforms with fork & wait; the actual implementation relies on flock #if defined(HAVE_SYS_WAIT_H) && defined(HAVE_UNISTD_H) && defined(HAVE_FCNTL) fprintf(stderr, "==== Test setting log file basename and two processes writing - second should fail\n"); const string dest = FLAGS_test_tmpdir + "/logging_test_basename_two_processes_writing"; DeleteFiles(dest + "*"); //make both processes write into the same file (easier test) FLAGS_timestamp_in_logfile_name=false; SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new base, parent"; FlushLogFiles(GLOG_INFO); pid_t pid = fork(); CHECK_ERR(pid); if (pid == 0) { LOG(INFO) << "message to new base, child - should only appear on STDERR not on the file"; ShutdownGoogleLogging(); //for children proc exit(EXIT_SUCCESS); } else if (pid > 0) { wait(NULL); } FLAGS_timestamp_in_logfile_name=true; CheckFile(dest, "message to new base, parent"); CheckFile(dest, "message to new base, child - should only appear on STDERR not on the file", false); // Release LogToStderr(); DeleteFiles(dest + "*"); #endif } static void TestSymlink() { #ifndef GLOG_OS_WINDOWS fprintf(stderr, "==== Test setting log file symlink\n"); string dest = FLAGS_test_tmpdir + "/logging_test_symlink"; string sym = FLAGS_test_tmpdir + "/symlinkbase"; DeleteFiles(dest + "*"); DeleteFiles(sym + "*"); SetLogSymlink(GLOG_INFO, "symlinkbase"); SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new symlink"; FlushLogFiles(GLOG_INFO); CheckFile(sym, "message to new symlink"); DeleteFiles(dest + "*"); DeleteFiles(sym + "*"); #endif } static void TestExtension() { fprintf(stderr, "==== Test setting log file extension\n"); string dest = FLAGS_test_tmpdir + "/logging_test_extension"; DeleteFiles(dest + "*"); SetLogDestination(GLOG_INFO, dest.c_str()); SetLogFilenameExtension("specialextension"); LOG(INFO) << "message to new extension"; FlushLogFiles(GLOG_INFO); CheckFile(dest, "message to new extension"); // Check that file name ends with extension vector filenames; GetFiles(dest + "*", &filenames); CHECK_EQ(filenames.size(), 1UL); CHECK(strstr(filenames[0].c_str(), "specialextension") != NULL); // Release file handle for the destination file to unlock the file in Windows. LogToStderr(); DeleteFiles(dest + "*"); } struct MyLogger : public base::Logger { string data; virtual void Write(bool /* should_flush */, time_t /* timestamp */, const char* message, size_t length) { data.append(message, length); } virtual void Flush() { } virtual uint32 LogSize() { return data.length(); } }; static void TestWrapper() { fprintf(stderr, "==== Test log wrapper\n"); MyLogger my_logger; base::Logger* old_logger = base::GetLogger(GLOG_INFO); base::SetLogger(GLOG_INFO, &my_logger); LOG(INFO) << "Send to wrapped logger"; FlushLogFiles(GLOG_INFO); base::SetLogger(GLOG_INFO, old_logger); CHECK(strstr(my_logger.data.c_str(), "Send to wrapped logger") != NULL); } static void TestErrno() { fprintf(stderr, "==== Test errno preservation\n"); errno = ENOENT; TestLogging(false); CHECK_EQ(errno, ENOENT); } static void TestOneTruncate(const char *path, uint64 limit, uint64 keep, size_t dsize, size_t ksize, size_t expect) { int fd; CHECK_ERR(fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0600)); const char *discardstr = "DISCARDME!", *keepstr = "KEEPME!"; const size_t discard_size = strlen(discardstr), keep_size = strlen(keepstr); // Fill the file with the requested data; first discard data, then kept data size_t written = 0; while (written < dsize) { size_t bytes = min(dsize - written, discard_size); CHECK_ERR(write(fd, discardstr, bytes)); written += bytes; } written = 0; while (written < ksize) { size_t bytes = min(ksize - written, keep_size); CHECK_ERR(write(fd, keepstr, bytes)); written += bytes; } TruncateLogFile(path, limit, keep); // File should now be shorter struct stat statbuf; CHECK_ERR(fstat(fd, &statbuf)); CHECK_EQ(static_cast(statbuf.st_size), expect); CHECK_ERR(lseek(fd, 0, SEEK_SET)); // File should contain the suffix of the original file const size_t buf_size = static_cast(statbuf.st_size) + 1; char* buf = new char[buf_size]; memset(buf, 0, buf_size); CHECK_ERR(read(fd, buf, buf_size)); const char* p = buf; size_t checked = 0; while (checked < expect) { size_t bytes = min(expect - checked, keep_size); CHECK(!memcmp(p, keepstr, bytes)); checked += bytes; } close(fd); delete[] buf; } static void TestTruncate() { #ifdef HAVE_UNISTD_H fprintf(stderr, "==== Test log truncation\n"); string path = FLAGS_test_tmpdir + "/truncatefilecustom"; // Test on a small file TestOneTruncate(path.c_str(), 10, 10, 10, 10, 10); // And a big file (multiple blocks to copy) TestOneTruncate(path.c_str(), 2U << 20U, 4U << 10U, 3U << 20U, 4U << 10U, 4U << 10U); // Check edge-case limits TestOneTruncate(path.c_str(), 10, 20, 0, 20, 20); TestOneTruncate(path.c_str(), 10, 0, 0, 0, 0); TestOneTruncate(path.c_str(), 10, 50, 0, 10, 10); TestOneTruncate(path.c_str(), 50, 100, 0, 30, 30); // MacOSX 10.4 doesn't fail in this case. // Windows doesn't have symlink. // Let's just ignore this test for these cases. #if !defined(GLOG_OS_MACOSX) && !defined(GLOG_OS_WINDOWS) // Through a symlink should fail to truncate string linkname = path + ".link"; unlink(linkname.c_str()); CHECK_ERR(symlink(path.c_str(), linkname.c_str())); TestOneTruncate(linkname.c_str(), 10, 10, 0, 30, 30); #endif // The /proc/self path makes sense only for linux. #if defined(GLOG_OS_LINUX) // Through an open fd symlink should work int fd; CHECK_ERR(fd = open(path.c_str(), O_APPEND | O_WRONLY)); char fdpath[64]; snprintf(fdpath, sizeof(fdpath), "/proc/self/fd/%d", fd); TestOneTruncate(fdpath, 10, 10, 10, 10, 10); #endif #endif } struct RecordDeletionLogger : public base::Logger { RecordDeletionLogger(bool* set_on_destruction, base::Logger* wrapped_logger) : set_on_destruction_(set_on_destruction), wrapped_logger_(wrapped_logger) { *set_on_destruction_ = false; } virtual ~RecordDeletionLogger() { *set_on_destruction_ = true; } virtual void Write(bool force_flush, time_t timestamp, const char* message, size_t length) { wrapped_logger_->Write(force_flush, timestamp, message, length); } virtual void Flush() { wrapped_logger_->Flush(); } virtual uint32 LogSize() { return wrapped_logger_->LogSize(); } private: bool* set_on_destruction_; base::Logger* wrapped_logger_; }; static void TestCustomLoggerDeletionOnShutdown() { bool custom_logger_deleted = false; base::SetLogger(GLOG_INFO, new RecordDeletionLogger(&custom_logger_deleted, base::GetLogger(GLOG_INFO))); EXPECT_TRUE(IsGoogleLoggingInitialized()); ShutdownGoogleLogging(); EXPECT_TRUE(custom_logger_deleted); EXPECT_FALSE(IsGoogleLoggingInitialized()); } _START_GOOGLE_NAMESPACE_ namespace glog_internal_namespace_ { extern // in logging.cc bool SafeFNMatch_(const char* pattern, size_t patt_len, const char* str, size_t str_len); } // namespace glog_internal_namespace_ using glog_internal_namespace_::SafeFNMatch_; _END_GOOGLE_NAMESPACE_ static bool WrapSafeFNMatch(string pattern, string str) { pattern += "abc"; str += "defgh"; return SafeFNMatch_(pattern.data(), pattern.size() - 3, str.data(), str.size() - 5); } TEST(SafeFNMatch, logging) { CHECK(WrapSafeFNMatch("foo", "foo")); CHECK(!WrapSafeFNMatch("foo", "bar")); CHECK(!WrapSafeFNMatch("foo", "fo")); CHECK(!WrapSafeFNMatch("foo", "foo2")); CHECK(WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext")); CHECK(WrapSafeFNMatch("*ba*r/fo*o.ext*", "bar/foo.ext")); CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/baz.ext")); CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo")); CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext.zip")); CHECK(WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext")); CHECK(WrapSafeFNMatch("ba?/*.ext", "baZ/FOO.ext")); CHECK(!WrapSafeFNMatch("ba?/*.ext", "barr/foo.ext")); CHECK(!WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext2")); CHECK(WrapSafeFNMatch("ba?/*", "bar/foo.ext2")); CHECK(WrapSafeFNMatch("ba?/*", "bar/")); CHECK(!WrapSafeFNMatch("ba?/?", "bar/")); CHECK(!WrapSafeFNMatch("ba?/*", "bar")); } // TestWaitingLogSink will save messages here // No lock: Accessed only by TestLogSinkWriter thread // and after its demise by its creator. static vector global_messages; // helper for TestWaitingLogSink below. // Thread that does the logic of TestWaitingLogSink // It's free to use LOG() itself. class TestLogSinkWriter : public Thread { public: TestLogSinkWriter() : should_exit_(false) { SetJoinable(true); Start(); } // Just buffer it (can't use LOG() here). void Buffer(const string& message) { mutex_.Lock(); RAW_LOG(INFO, "Buffering"); messages_.push(message); mutex_.Unlock(); RAW_LOG(INFO, "Buffered"); } // Wait for the buffer to clear (can't use LOG() here). void Wait() { RAW_LOG(INFO, "Waiting"); mutex_.Lock(); while (!NoWork()) { mutex_.Unlock(); SleepForMilliseconds(1); mutex_.Lock(); } RAW_LOG(INFO, "Waited"); mutex_.Unlock(); } // Trigger thread exit. void Stop() { MutexLock l(&mutex_); should_exit_ = true; } private: // helpers --------------- // For creating a "Condition". bool NoWork() { return messages_.empty(); } bool HaveWork() { return !messages_.empty() || should_exit_; } // Thread body; CAN use LOG() here! virtual void Run() { while (1) { mutex_.Lock(); while (!HaveWork()) { mutex_.Unlock(); SleepForMilliseconds(1); mutex_.Lock(); } if (should_exit_ && messages_.empty()) { mutex_.Unlock(); break; } // Give the main thread time to log its message, // so that we get a reliable log capture to compare to golden file. // Same for the other sleep below. SleepForMilliseconds(20); RAW_LOG(INFO, "Sink got a messages"); // only RAW_LOG under mutex_ here string message = messages_.front(); messages_.pop(); // Normally this would be some more real/involved logging logic // where LOG() usage can't be eliminated, // e.g. pushing the message over with an RPC: size_t messages_left = messages_.size(); mutex_.Unlock(); SleepForMilliseconds(20); // May not use LOG while holding mutex_, because Buffer() // acquires mutex_, and Buffer is called from LOG(), // which has its own internal mutex: // LOG()->LogToSinks()->TestWaitingLogSink::send()->Buffer() LOG(INFO) << "Sink is sending out a message: " << message; LOG(INFO) << "Have " << messages_left << " left"; global_messages.push_back(message); } } // data --------------- Mutex mutex_; bool should_exit_; queue messages_; // messages to be logged }; // A log sink that exercises WaitTillSent: // it pushes data to a buffer and wakes up another thread to do the logging // (that other thread can than use LOG() itself), class TestWaitingLogSink : public LogSink { public: TestWaitingLogSink() { tid_ = pthread_self(); // for thread-specific behavior AddLogSink(this); } ~TestWaitingLogSink() { RemoveLogSink(this); writer_.Stop(); writer_.Join(); } // (re)define LogSink interface virtual void send(LogSeverity severity, const char* /* full_filename */, const char* base_filename, int line, const LogMessageTime &logmsgtime, const char* message, size_t message_len) { // Push it to Writer thread if we are the original logging thread. // Note: Something like ThreadLocalLogSink is a better choice // to do thread-specific LogSink logic for real. if (pthread_equal(tid_, pthread_self())) { writer_.Buffer(ToString(severity, base_filename, line, logmsgtime, message, message_len)); } } virtual void WaitTillSent() { // Wait for Writer thread if we are the original logging thread. if (pthread_equal(tid_, pthread_self())) writer_.Wait(); } private: pthread_t tid_; TestLogSinkWriter writer_; }; // Check that LogSink::WaitTillSent can be used in the advertised way. // We also do golden-stderr comparison. static void TestLogSinkWaitTillSent() { { TestWaitingLogSink sink; // Sleeps give the sink threads time to do all their work, // so that we get a reliable log capture to compare to the golden file. LOG(INFO) << "Message 1"; SleepForMilliseconds(60); LOG(ERROR) << "Message 2"; SleepForMilliseconds(60); LOG(WARNING) << "Message 3"; SleepForMilliseconds(60); } for (size_t i = 0; i < global_messages.size(); ++i) { LOG(INFO) << "Sink capture: " << global_messages[i]; } CHECK_EQ(global_messages.size(), 3UL); } TEST(Strerror, logging) { int errcode = EINTR; char *msg = strdup(strerror(errcode)); const size_t buf_size = strlen(msg) + 1; char *buf = new char[buf_size]; CHECK_EQ(posix_strerror_r(errcode, NULL, 0), -1); buf[0] = 'A'; CHECK_EQ(posix_strerror_r(errcode, buf, 0), -1); CHECK_EQ(buf[0], 'A'); CHECK_EQ(posix_strerror_r(errcode, NULL, buf_size), -1); #if defined(GLOG_OS_MACOSX) || defined(GLOG_OS_FREEBSD) || defined(GLOG_OS_OPENBSD) // MacOSX or FreeBSD considers this case is an error since there is // no enough space. CHECK_EQ(posix_strerror_r(errcode, buf, 1), -1); #else CHECK_EQ(posix_strerror_r(errcode, buf, 1), 0); #endif CHECK_STREQ(buf, ""); CHECK_EQ(posix_strerror_r(errcode, buf, buf_size), 0); CHECK_STREQ(buf, msg); delete[] buf; CHECK_EQ(msg, StrError(errcode)); free(msg); } // Simple routines to look at the sizes of generated code for LOG(FATAL) and // CHECK(..) via objdump /* static void MyFatal() { LOG(FATAL) << "Failed"; } static void MyCheck(bool a, bool b) { CHECK_EQ(a, b); } */ #ifdef HAVE_LIB_GMOCK TEST(DVLog, Basic) { ScopedMockLog log; #if defined(NDEBUG) // We are expecting that nothing is logged. EXPECT_CALL(log, Log(_, _, _)).Times(0); #else EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "debug log")); #endif FLAGS_v = 1; DVLOG(1) << "debug log"; } TEST(DVLog, V0) { ScopedMockLog log; // We are expecting that nothing is logged. EXPECT_CALL(log, Log(_, _, _)).Times(0); FLAGS_v = 0; DVLOG(1) << "debug log"; } TEST(LogAtLevel, Basic) { ScopedMockLog log; // The function version outputs "logging.h" as a file name. EXPECT_CALL(log, Log(GLOG_WARNING, StrNe(__FILE__), "function version")); EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "macro version")); int severity = GLOG_WARNING; LogAtLevel(severity, "function version"); severity = GLOG_INFO; // We can use the macro version as a C++ stream. LOG_AT_LEVEL(severity) << "macro" << ' ' << "version"; } TEST(TestExitOnDFatal, ToBeOrNotToBe) { // Check the default setting... EXPECT_TRUE(base::internal::GetExitOnDFatal()); // Turn off... base::internal::SetExitOnDFatal(false); EXPECT_FALSE(base::internal::GetExitOnDFatal()); // We don't die. { ScopedMockLog log; //EXPECT_CALL(log, Log(_, _, _)).Times(AnyNumber()); // LOG(DFATAL) has severity FATAL if debugging, but is // downgraded to ERROR if not debugging. const LogSeverity severity = #if defined(NDEBUG) GLOG_ERROR; #else GLOG_FATAL; #endif EXPECT_CALL(log, Log(severity, __FILE__, "This should not be fatal")); LOG(DFATAL) << "This should not be fatal"; } // Turn back on... base::internal::SetExitOnDFatal(true); EXPECT_TRUE(base::internal::GetExitOnDFatal()); #ifdef GTEST_HAS_DEATH_TEST // Death comes on little cats' feet. EXPECT_DEBUG_DEATH({ LOG(DFATAL) << "This should be fatal in debug mode"; }, "This should be fatal in debug mode"); #endif } #ifdef HAVE_STACKTRACE static void BacktraceAtHelper() { LOG(INFO) << "Not me"; // The vertical spacing of the next 3 lines is significant. LOG(INFO) << "Backtrace me"; } static int kBacktraceAtLine = __LINE__ - 2; // The line of the LOG(INFO) above TEST(LogBacktraceAt, DoesNotBacktraceWhenDisabled) { StrictMock log; FLAGS_log_backtrace_at = ""; EXPECT_CALL(log, Log(_, _, "Backtrace me")); EXPECT_CALL(log, Log(_, _, "Not me")); BacktraceAtHelper(); } TEST(LogBacktraceAt, DoesBacktraceAtRightLineWhenEnabled) { StrictMock log; char where[100]; snprintf(where, 100, "%s:%d", const_basename(__FILE__), kBacktraceAtLine); FLAGS_log_backtrace_at = where; // The LOG at the specified line should include a stacktrace which includes // the name of the containing function, followed by the log message. // We use HasSubstr()s instead of ContainsRegex() for environments // which don't have regexp. EXPECT_CALL(log, Log(_, _, AllOf(HasSubstr("stacktrace:"), HasSubstr("BacktraceAtHelper"), HasSubstr("main"), HasSubstr("Backtrace me")))); // Other LOGs should not include a backtrace. EXPECT_CALL(log, Log(_, _, "Not me")); BacktraceAtHelper(); } #endif // HAVE_STACKTRACE #endif // HAVE_LIB_GMOCK struct UserDefinedClass { bool operator==(const UserDefinedClass&) const { return true; } }; inline ostream& operator<<(ostream& out, const UserDefinedClass&) { out << "OK"; return out; } TEST(UserDefinedClass, logging) { UserDefinedClass u; vector buf; LOG_STRING(INFO, &buf) << u; CHECK_EQ(1UL, buf.size()); CHECK(buf[0].find("OK") != string::npos); // We must be able to compile this. CHECK_EQ(u, u); } TEST(LogMsgTime, gmtoff) { /* * Unit test for GMT offset API * TODO: To properly test this API, we need a platform independent way to set time-zone. * */ google::LogMessage log_obj(__FILE__, __LINE__); long int nGmtOff = log_obj.getLogMessageTime().gmtoff(); // GMT offset ranges from UTC-12:00 to UTC+14:00 const long utc_min_offset = -43200; const long utc_max_offset = 50400; EXPECT_TRUE( (nGmtOff >= utc_min_offset) && (nGmtOff <= utc_max_offset) ); } glog-0.6.0/src/logging_custom_prefix_unittest.err000066400000000000000000000644571422266545700223370ustar00rootroot00000000000000IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=2 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error WARNING: Logging before InitGoogleLogging() is written to STDERR IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] foo bar 10 3.4 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 1: __SUCCESS__ [0] EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 1 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 4, iteration 1 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 5, iteration 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 1 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if less than 3 every 2, iteration 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 2 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 3: __ENOENT__ [2] IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 3 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if less than 3 every 2, iteration 3 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 4 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 4 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 5: __EINTR__ [4] EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 4, iteration 5 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 5 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 5, iteration 6 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 6 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 7: __ENXIO__ [6] EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 7 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 7 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 8 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 9: __ENOEXEC__ [8] EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 4, iteration 9 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 9 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 10 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 10 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if this IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] array IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] const array EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] foo 1000 1000 3e8 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] foo 1 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] inner EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] outer no prefix IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo bar 10 3.400000 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: array IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: const array IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: ptr __PTRTEST__ IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: ptr __NULLP__ EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo 1000 0000001000 3e8 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo 1000 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo 1000 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: RAW_LOG ERROR: The Message was too long! IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: RAW_LOG ERROR: The Message was too long! IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 on IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 1 on IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 2 on IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=-1 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=1 logtostderr=0 alsologtostderr=0 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=2 logtostderr=0 alsologtostderr=0 EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=1 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=0 alsologtostderr=1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=1 logtostderr=0 alsologtostderr=0 WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=3 logtostderr=0 alsologtostderr=1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_STRING: reported info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_STRING: reported warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_STRING: reported error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected info IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected warning IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: reported info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: reported warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: reported error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_SINK: IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: collected info IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: collected warning IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: collected error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: reported info WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: reported warning EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: reported error IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffering IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffered IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waiting IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Sink got a messages IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waited IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink is sending out a message: IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Have 0 left EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffering IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffered IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waiting IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Sink got a messages IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waited IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink is sending out a message: EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Have 0 left WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 3 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffering IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffered IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waiting IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Sink got a messages IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waited IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink is sending out a message: WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 3 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Have 0 left IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink capture: IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink capture: EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink capture: WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 3 glog-0.6.0/src/logging_striplog_test.sh000077500000000000000000000053141422266545700202230ustar00rootroot00000000000000#! /bin/sh # # Copyright (c) 2007, Google Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Author: Sergey Ioffe get_strings () { if test -e ".libs/$1"; then binary=".libs/$1" elif test -e "$1.exe"; then binary="$1.exe" else echo "We coundn't find $1 binary." exit 1 fi strings -n 10 $binary | sort | awk '/TESTMESSAGE/ {printf "%s ", $2}' } # Die if "$1" != "$2", print $3 as death reason check_eq () { if [ "$1" != "$2" ]; then echo "Check failed: '$1' == '$2' ${3:+ ($3)}" exit 1 fi } die () { echo $1 exit 1 } # Check that the string literals are appropriately stripped. This will # not be the case in debug mode. mode=`GLOG_check_mode=1 ./logging_striptest0 2> /dev/null` if [ "$mode" = "opt" ]; then echo "In OPT mode" check_eq "`get_strings logging_striptest0`" "COND ERROR FATAL INFO USAGE WARNING " check_eq "`get_strings logging_striptest2`" "COND ERROR FATAL USAGE " check_eq "`get_strings logging_striptest10`" "" else echo "In DBG mode; not checking strings" fi # Check that LOG(FATAL) aborts even for large STRIP_LOG ./logging_striptest2 2>/dev/null && die "Did not abort for STRIP_LOG=2" ./logging_striptest10 2>/dev/null && die "Did not abort for STRIP_LOG=10" echo "PASS" glog-0.6.0/src/logging_striptest10.cc000066400000000000000000000032221422266545700174670ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Sergey Ioffe #define GOOGLE_STRIP_LOG 10 // Include the actual test. #include "logging_striptest_main.cc" glog-0.6.0/src/logging_striptest2.cc000066400000000000000000000032211422266545700174070ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Sergey Ioffe #define GOOGLE_STRIP_LOG 2 // Include the actual test. #include "logging_striptest_main.cc" glog-0.6.0/src/logging_striptest_main.cc000066400000000000000000000050241422266545700203340ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Sergey Ioffe // The common part of the striplog tests. #include #include #include #include #include "base/commandlineflags.h" #include "config.h" DECLARE_bool(logtostderr); GLOG_DEFINE_bool(check_mode, false, "Prints 'opt' or 'dbg'"); using std::string; using namespace GOOGLE_NAMESPACE; int CheckNoReturn(bool b) { string s; if (b) { LOG(FATAL) << "Fatal"; } else { return 0; } } struct A { }; std::ostream &operator<<(std::ostream &str, const A&) {return str;} int main(int, char* argv[]) { FLAGS_logtostderr = true; InitGoogleLogging(argv[0]); if (FLAGS_check_mode) { printf("%s\n", DEBUG_MODE ? "dbg" : "opt"); return 0; } LOG(INFO) << "TESTMESSAGE INFO"; LOG(WARNING) << 2 << "something" << "TESTMESSAGE WARNING" << 1 << 'c' << A() << std::endl; LOG(ERROR) << "TESTMESSAGE ERROR"; bool flag = true; (flag ? LOG(INFO) : LOG(ERROR)) << "TESTMESSAGE COND"; LOG(FATAL) << "TESTMESSAGE FATAL"; } glog-0.6.0/src/logging_unittest.cc000066400000000000000000001302061422266545700171470ustar00rootroot00000000000000// Copyright (c) 2002, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Ray Sidney #include "config.h" #include "utilities.h" #include #ifdef HAVE_GLOB_H # include #endif #include #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_WAIT_H # include #endif #include #include #include #include #include #include #include #include #include #include #include "base/commandlineflags.h" #include #include #include "googletest.h" DECLARE_string(log_backtrace_at); // logging.cc #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif #ifdef HAVE_LIB_GMOCK #include #include "mock-log.h" // Introduce several symbols from gmock. using testing::_; using testing::AnyNumber; using testing::HasSubstr; using testing::AllOf; using testing::StrNe; using testing::StrictMock; using testing::InitGoogleMock; using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog; #endif using namespace std; using namespace GOOGLE_NAMESPACE; // Some non-advertised functions that we want to test or use. _START_GOOGLE_NAMESPACE_ namespace base { namespace internal { bool GetExitOnDFatal(); void SetExitOnDFatal(bool value); } // namespace internal } // namespace base _END_GOOGLE_NAMESPACE_ static void TestLogging(bool check_counts); static void TestRawLogging(); static void LogWithLevels(int v, int severity, bool err, bool alsoerr); static void TestLoggingLevels(); static void TestVLogModule(); static void TestLogString(); static void TestLogSink(); static void TestLogToString(); static void TestLogSinkWaitTillSent(); static void TestCHECK(); static void TestDCHECK(); static void TestSTREQ(); static void TestBasename(); static void TestBasenameAppendWhenNoTimestamp(); static void TestTwoProcessesWrite(); static void TestSymlink(); static void TestExtension(); static void TestWrapper(); static void TestErrno(); static void TestTruncate(); static void TestCustomLoggerDeletionOnShutdown(); static void TestLogPeriodically(); static int x = -1; static void BM_Check1(int n) { while (n-- > 0) { CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); CHECK_GE(n, x); } } BENCHMARK(BM_Check1) static void CheckFailure(int a, int b, const char* file, int line, const char* msg); static void BM_Check3(int n) { while (n-- > 0) { if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x"); } } BENCHMARK(BM_Check3) static void BM_Check2(int n) { if (n == 17) { x = 5; } while (n-- > 0) { CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); CHECK(n >= x); } } BENCHMARK(BM_Check2) static void CheckFailure(int, int, const char* /* file */, int /* line */, const char* /* msg */) { } static void BM_logspeed(int n) { while (n-- > 0) { LOG(INFO) << "test message"; } } BENCHMARK(BM_logspeed) static void BM_vlog(int n) { while (n-- > 0) { VLOG(1) << "test message"; } } BENCHMARK(BM_vlog) int main(int argc, char **argv) { FLAGS_colorlogtostderr = false; FLAGS_timestamp_in_logfile_name = true; // Make sure stderr is not buffered as stderr seems to be buffered // on recent windows. setbuf(stderr, NULL); // Test some basics before InitGoogleLogging: CaptureTestStderr(); LogWithLevels(FLAGS_v, FLAGS_stderrthreshold, FLAGS_logtostderr, FLAGS_alsologtostderr); LogWithLevels(0, 0, 0, 0); // simulate "before global c-tors" const string early_stderr = GetCapturedTestStderr(); EXPECT_FALSE(IsGoogleLoggingInitialized()); InitGoogleLogging(argv[0]); EXPECT_TRUE(IsGoogleLoggingInitialized()); RunSpecifiedBenchmarks(); FLAGS_logtostderr = true; InitGoogleTest(&argc, argv); #ifdef HAVE_LIB_GMOCK InitGoogleMock(&argc, argv); #endif #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif // so that death tests run before we use threads CHECK_EQ(RUN_ALL_TESTS(), 0); CaptureTestStderr(); // re-emit early_stderr LogMessage("dummy", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << early_stderr; TestLogging(true); TestRawLogging(); TestLoggingLevels(); TestVLogModule(); TestLogString(); TestLogSink(); TestLogToString(); TestLogSinkWaitTillSent(); TestCHECK(); TestDCHECK(); TestSTREQ(); // TODO: The golden test portion of this test is very flakey. EXPECT_TRUE( MungeAndDiffTestStderr(FLAGS_test_srcdir + "/src/logging_unittest.err")); FLAGS_logtostderr = false; FLAGS_logtostdout = true; FLAGS_stderrthreshold = NUM_SEVERITIES; CaptureTestStdout(); TestRawLogging(); TestLoggingLevels(); TestLogString(); TestLogSink(); TestLogToString(); TestLogSinkWaitTillSent(); TestCHECK(); TestDCHECK(); TestSTREQ(); EXPECT_TRUE( MungeAndDiffTestStdout(FLAGS_test_srcdir + "/src/logging_unittest.out")); FLAGS_logtostdout = false; TestBasename(); TestBasenameAppendWhenNoTimestamp(); TestTwoProcessesWrite(); TestSymlink(); TestExtension(); TestWrapper(); TestErrno(); TestTruncate(); TestCustomLoggerDeletionOnShutdown(); TestLogPeriodically(); fprintf(stdout, "PASS\n"); return 0; } void TestLogging(bool check_counts) { int64 base_num_infos = LogMessage::num_messages(GLOG_INFO); int64 base_num_warning = LogMessage::num_messages(GLOG_WARNING); int64 base_num_errors = LogMessage::num_messages(GLOG_ERROR); LOG(INFO) << string("foo ") << "bar " << 10 << ' ' << 3.4; for ( int i = 0; i < 10; ++i ) { int old_errno = errno; errno = i; PLOG_EVERY_N(ERROR, 2) << "Plog every 2, iteration " << COUNTER; errno = old_errno; LOG_EVERY_N(ERROR, 3) << "Log every 3, iteration " << COUNTER << endl; LOG_EVERY_N(ERROR, 4) << "Log every 4, iteration " << COUNTER << endl; LOG_IF_EVERY_N(WARNING, true, 5) << "Log if every 5, iteration " << COUNTER; LOG_IF_EVERY_N(WARNING, false, 3) << "Log if every 3, iteration " << COUNTER; LOG_IF_EVERY_N(INFO, true, 1) << "Log if every 1, iteration " << COUNTER; LOG_IF_EVERY_N(ERROR, (i < 3), 2) << "Log if less than 3 every 2, iteration " << COUNTER; } LOG_IF(WARNING, true) << "log_if this"; LOG_IF(WARNING, false) << "don't log_if this"; char s[] = "array"; LOG(INFO) << s; const char const_s[] = "const array"; LOG(INFO) << const_s; int j = 1000; LOG(ERROR) << string("foo") << ' '<< j << ' ' << setw(10) << j << " " << setw(1) << hex << j; LOG(INFO) << "foo " << std::setw(10) << 1.0; { google::LogMessage outer(__FILE__, __LINE__, GLOG_ERROR); outer.stream() << "outer"; LOG(ERROR) << "inner"; } LogMessage("foo", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << "no prefix"; if (check_counts) { CHECK_EQ(base_num_infos + 15, LogMessage::num_messages(GLOG_INFO)); CHECK_EQ(base_num_warning + 3, LogMessage::num_messages(GLOG_WARNING)); CHECK_EQ(base_num_errors + 17, LogMessage::num_messages(GLOG_ERROR)); } } static void NoAllocNewHook() { LOG(FATAL) << "unexpected new"; } struct NewHook { NewHook() { g_new_hook = &NoAllocNewHook; } ~NewHook() { g_new_hook = NULL; } }; TEST(DeathNoAllocNewHook, logging) { // tests that NewHook used below works NewHook new_hook; ASSERT_DEATH({ new int; }, "unexpected new"); } void TestRawLogging() { string* foo = new string("foo "); string huge_str(50000, 'a'); FlagSaver saver; // Check that RAW loggging does not use mallocs. NewHook new_hook; RAW_LOG(INFO, "%s%s%d%c%f", foo->c_str(), "bar ", 10, ' ', 3.4); char s[] = "array"; RAW_LOG(WARNING, "%s", s); const char const_s[] = "const array"; RAW_LOG(INFO, "%s", const_s); void* p = reinterpret_cast(PTR_TEST_VALUE); RAW_LOG(INFO, "ptr %p", p); p = NULL; RAW_LOG(INFO, "ptr %p", p); int j = 1000; RAW_LOG(ERROR, "%s%d%c%010d%s%1x", foo->c_str(), j, ' ', j, " ", j); RAW_VLOG(0, "foo %d", j); #if defined(NDEBUG) RAW_LOG(INFO, "foo %d", j); // so that have same stderr to compare #else RAW_DLOG(INFO, "foo %d", j); // test RAW_DLOG in debug mode #endif // test how long messages are chopped: RAW_LOG(WARNING, "Huge string: %s", huge_str.c_str()); RAW_VLOG(0, "Huge string: %s", huge_str.c_str()); FLAGS_v = 0; RAW_LOG(INFO, "log"); RAW_VLOG(0, "vlog 0 on"); RAW_VLOG(1, "vlog 1 off"); RAW_VLOG(2, "vlog 2 off"); RAW_VLOG(3, "vlog 3 off"); FLAGS_v = 2; RAW_LOG(INFO, "log"); RAW_VLOG(1, "vlog 1 on"); RAW_VLOG(2, "vlog 2 on"); RAW_VLOG(3, "vlog 3 off"); #if defined(NDEBUG) RAW_DCHECK(1 == 2, " RAW_DCHECK's shouldn't be compiled in normal mode"); #endif RAW_CHECK(1 == 1, "should be ok"); RAW_DCHECK(true, "should be ok"); delete foo; } void LogWithLevels(int v, int severity, bool err, bool alsoerr) { RAW_LOG(INFO, "Test: v=%d stderrthreshold=%d logtostderr=%d alsologtostderr=%d", v, severity, err, alsoerr); FlagSaver saver; FLAGS_v = v; FLAGS_stderrthreshold = severity; FLAGS_logtostderr = err; FLAGS_alsologtostderr = alsoerr; RAW_VLOG(-1, "vlog -1"); RAW_VLOG(0, "vlog 0"); RAW_VLOG(1, "vlog 1"); RAW_LOG(INFO, "log info"); RAW_LOG(WARNING, "log warning"); RAW_LOG(ERROR, "log error"); VLOG(-1) << "vlog -1"; VLOG(0) << "vlog 0"; VLOG(1) << "vlog 1"; LOG(INFO) << "log info"; LOG(WARNING) << "log warning"; LOG(ERROR) << "log error"; VLOG_IF(-1, true) << "vlog_if -1"; VLOG_IF(-1, false) << "don't vlog_if -1"; VLOG_IF(0, true) << "vlog_if 0"; VLOG_IF(0, false) << "don't vlog_if 0"; VLOG_IF(1, true) << "vlog_if 1"; VLOG_IF(1, false) << "don't vlog_if 1"; LOG_IF(INFO, true) << "log_if info"; LOG_IF(INFO, false) << "don't log_if info"; LOG_IF(WARNING, true) << "log_if warning"; LOG_IF(WARNING, false) << "don't log_if warning"; LOG_IF(ERROR, true) << "log_if error"; LOG_IF(ERROR, false) << "don't log_if error"; int c; c = 1; VLOG_IF(100, c -= 2) << "vlog_if 100 expr"; EXPECT_EQ(c, -1); c = 1; VLOG_IF(0, c -= 2) << "vlog_if 0 expr"; EXPECT_EQ(c, -1); c = 1; LOG_IF(INFO, c -= 2) << "log_if info expr"; EXPECT_EQ(c, -1); c = 1; LOG_IF(ERROR, c -= 2) << "log_if error expr"; EXPECT_EQ(c, -1); c = 2; VLOG_IF(0, c -= 2) << "don't vlog_if 0 expr"; EXPECT_EQ(c, 0); c = 2; LOG_IF(ERROR, c -= 2) << "don't log_if error expr"; EXPECT_EQ(c, 0); c = 3; LOG_IF_EVERY_N(INFO, c -= 4, 1) << "log_if info every 1 expr"; EXPECT_EQ(c, -1); c = 3; LOG_IF_EVERY_N(ERROR, c -= 4, 1) << "log_if error every 1 expr"; EXPECT_EQ(c, -1); c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if info every 3 expr"; EXPECT_EQ(c, 0); c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if error every 3 expr"; EXPECT_EQ(c, 0); c = 5; VLOG_IF_EVERY_N(0, c -= 4, 1) << "vlog_if 0 every 1 expr"; EXPECT_EQ(c, 1); c = 5; VLOG_IF_EVERY_N(100, c -= 4, 3) << "vlog_if 100 every 3 expr"; EXPECT_EQ(c, 1); c = 6; VLOG_IF_EVERY_N(0, c -= 6, 1) << "don't vlog_if 0 every 1 expr"; EXPECT_EQ(c, 0); c = 6; VLOG_IF_EVERY_N(100, c -= 6, 3) << "don't vlog_if 100 every 1 expr"; EXPECT_EQ(c, 0); } void TestLoggingLevels() { LogWithLevels(0, GLOG_INFO, false, false); LogWithLevels(1, GLOG_INFO, false, false); LogWithLevels(-1, GLOG_INFO, false, false); LogWithLevels(0, GLOG_WARNING, false, false); LogWithLevels(0, GLOG_ERROR, false, false); LogWithLevels(0, GLOG_FATAL, false, false); LogWithLevels(0, GLOG_FATAL, true, false); LogWithLevels(0, GLOG_FATAL, false, true); LogWithLevels(1, GLOG_WARNING, false, false); LogWithLevels(1, GLOG_FATAL, false, true); } int TestVlogHelper() { if (VLOG_IS_ON(1)) { return 1; } return 0; } void TestVLogModule() { int c = TestVlogHelper(); EXPECT_EQ(0, c); #if defined(__GNUC__) EXPECT_EQ(0, SetVLOGLevel("logging_unittest", 1)); c = TestVlogHelper(); EXPECT_EQ(1, c); #endif } TEST(DeathRawCHECK, logging) { ASSERT_DEATH(RAW_CHECK(false, "failure 1"), "RAW: Check false failed: failure 1"); ASSERT_DEBUG_DEATH(RAW_DCHECK(1 == 2, "failure 2"), "RAW: Check 1 == 2 failed: failure 2"); } void TestLogString() { vector errors; vector *no_errors = NULL; LOG_STRING(INFO, &errors) << "LOG_STRING: " << "collected info"; LOG_STRING(WARNING, &errors) << "LOG_STRING: " << "collected warning"; LOG_STRING(ERROR, &errors) << "LOG_STRING: " << "collected error"; LOG_STRING(INFO, no_errors) << "LOG_STRING: " << "reported info"; LOG_STRING(WARNING, no_errors) << "LOG_STRING: " << "reported warning"; LOG_STRING(ERROR, NULL) << "LOG_STRING: " << "reported error"; for (size_t i = 0; i < errors.size(); ++i) { LOG(INFO) << "Captured by LOG_STRING: " << errors[i]; } } void TestLogToString() { string error; string* no_error = NULL; LOG_TO_STRING(INFO, &error) << "LOG_TO_STRING: " << "collected info"; LOG(INFO) << "Captured by LOG_TO_STRING: " << error; LOG_TO_STRING(WARNING, &error) << "LOG_TO_STRING: " << "collected warning"; LOG(INFO) << "Captured by LOG_TO_STRING: " << error; LOG_TO_STRING(ERROR, &error) << "LOG_TO_STRING: " << "collected error"; LOG(INFO) << "Captured by LOG_TO_STRING: " << error; LOG_TO_STRING(INFO, no_error) << "LOG_TO_STRING: " << "reported info"; LOG_TO_STRING(WARNING, no_error) << "LOG_TO_STRING: " << "reported warning"; LOG_TO_STRING(ERROR, NULL) << "LOG_TO_STRING: " << "reported error"; } class TestLogSinkImpl : public LogSink { public: vector errors; virtual void send(LogSeverity severity, const char* /* full_filename */, const char* base_filename, int line, const LogMessageTime &logmsgtime, const char* message, size_t message_len) { errors.push_back( ToString(severity, base_filename, line, logmsgtime, message, message_len)); } }; void TestLogSink() { TestLogSinkImpl sink; LogSink *no_sink = NULL; LOG_TO_SINK(&sink, INFO) << "LOG_TO_SINK: " << "collected info"; LOG_TO_SINK(&sink, WARNING) << "LOG_TO_SINK: " << "collected warning"; LOG_TO_SINK(&sink, ERROR) << "LOG_TO_SINK: " << "collected error"; LOG_TO_SINK(no_sink, INFO) << "LOG_TO_SINK: " << "reported info"; LOG_TO_SINK(no_sink, WARNING) << "LOG_TO_SINK: " << "reported warning"; LOG_TO_SINK(NULL, ERROR) << "LOG_TO_SINK: " << "reported error"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, INFO) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected info"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, WARNING) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected warning"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, ERROR) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected error"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, INFO) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed info"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, WARNING) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed warning"; LOG_TO_SINK_BUT_NOT_TO_LOGFILE(NULL, ERROR) << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed error"; LOG(INFO) << "Captured by LOG_TO_SINK:"; for (size_t i = 0; i < sink.errors.size(); ++i) { LogMessage("foo", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << sink.errors[i]; } } // For testing using CHECK*() on anonymous enums. enum { CASE_A, CASE_B }; void TestCHECK() { // Tests using CHECK*() on int values. CHECK(1 == 1); CHECK_EQ(1, 1); CHECK_NE(1, 2); CHECK_GE(1, 1); CHECK_GE(2, 1); CHECK_LE(1, 1); CHECK_LE(1, 2); CHECK_GT(2, 1); CHECK_LT(1, 2); // Tests using CHECK*() on anonymous enums. // Apple's GCC doesn't like this. #if !defined(GLOG_OS_MACOSX) CHECK_EQ(CASE_A, CASE_A); CHECK_NE(CASE_A, CASE_B); CHECK_GE(CASE_A, CASE_A); CHECK_GE(CASE_B, CASE_A); CHECK_LE(CASE_A, CASE_A); CHECK_LE(CASE_A, CASE_B); CHECK_GT(CASE_B, CASE_A); CHECK_LT(CASE_A, CASE_B); #endif } void TestDCHECK() { #if defined(NDEBUG) DCHECK( 1 == 2 ) << " DCHECK's shouldn't be compiled in normal mode"; #endif DCHECK( 1 == 1 ); DCHECK_EQ(1, 1); DCHECK_NE(1, 2); DCHECK_GE(1, 1); DCHECK_GE(2, 1); DCHECK_LE(1, 1); DCHECK_LE(1, 2); DCHECK_GT(2, 1); DCHECK_LT(1, 2); int64* orig_ptr = new int64; int64* ptr = DCHECK_NOTNULL(orig_ptr); CHECK_EQ(ptr, orig_ptr); delete orig_ptr; } void TestSTREQ() { CHECK_STREQ("this", "this"); CHECK_STREQ(NULL, NULL); CHECK_STRCASEEQ("this", "tHiS"); CHECK_STRCASEEQ(NULL, NULL); CHECK_STRNE("this", "tHiS"); CHECK_STRNE("this", NULL); CHECK_STRCASENE("this", "that"); CHECK_STRCASENE(NULL, "that"); CHECK_STREQ((string("a")+"b").c_str(), "ab"); CHECK_STREQ(string("test").c_str(), (string("te") + string("st")).c_str()); } TEST(DeathSTREQ, logging) { ASSERT_DEATH(CHECK_STREQ(NULL, "this"), ""); ASSERT_DEATH(CHECK_STREQ("this", "siht"), ""); ASSERT_DEATH(CHECK_STRCASEEQ(NULL, "siht"), ""); ASSERT_DEATH(CHECK_STRCASEEQ("this", "siht"), ""); ASSERT_DEATH(CHECK_STRNE(NULL, NULL), ""); ASSERT_DEATH(CHECK_STRNE("this", "this"), ""); ASSERT_DEATH(CHECK_STREQ((string("a")+"b").c_str(), "abc"), ""); } TEST(CheckNOTNULL, Simple) { int64 t; void *ptr = static_cast(&t); void *ref = CHECK_NOTNULL(ptr); EXPECT_EQ(ptr, ref); CHECK_NOTNULL(reinterpret_cast(ptr)); CHECK_NOTNULL(reinterpret_cast(ptr)); CHECK_NOTNULL(reinterpret_cast(ptr)); CHECK_NOTNULL(reinterpret_cast(ptr)); } TEST(DeathCheckNN, Simple) { ASSERT_DEATH(CHECK_NOTNULL(static_cast(NULL)), ""); } // Get list of file names that match pattern static void GetFiles(const string& pattern, vector* files) { files->clear(); #if defined(HAVE_GLOB_H) glob_t g; const int r = glob(pattern.c_str(), 0, NULL, &g); CHECK((r == 0) || (r == GLOB_NOMATCH)) << ": error matching " << pattern; for (size_t i = 0; i < g.gl_pathc; i++) { files->push_back(string(g.gl_pathv[i])); } globfree(&g); #elif defined(GLOG_OS_WINDOWS) WIN32_FIND_DATAA data; HANDLE handle = FindFirstFileA(pattern.c_str(), &data); size_t index = pattern.rfind('\\'); if (index == string::npos) { LOG(FATAL) << "No directory separator."; } const string dirname = pattern.substr(0, index + 1); if (handle == INVALID_HANDLE_VALUE) { // Finding no files is OK. return; } do { files->push_back(dirname + data.cFileName); } while (FindNextFileA(handle, &data)); BOOL result = FindClose(handle); LOG_SYSRESULT(result != 0); #else # error There is no way to do glob. #endif } // Delete files patching pattern static void DeleteFiles(const string& pattern) { vector files; GetFiles(pattern, &files); for (size_t i = 0; i < files.size(); i++) { CHECK(unlink(files[i].c_str()) == 0) << ": " << strerror(errno); } } //check string is in file (or is *NOT*, depending on optional checkInFileOrNot) static void CheckFile(const string& name, const string& expected_string, const bool checkInFileOrNot = true) { vector files; GetFiles(name + "*", &files); CHECK_EQ(files.size(), 1UL); FILE* file = fopen(files[0].c_str(), "r"); CHECK(file != NULL) << ": could not open " << files[0]; char buf[1000]; while (fgets(buf, sizeof(buf), file) != NULL) { char* first = strstr(buf, expected_string.c_str()); //if first == NULL, not found. //Terser than if (checkInFileOrNot && first != NULL || !check... if (checkInFileOrNot != (first == NULL)) { fclose(file); return; } } fclose(file); LOG(FATAL) << "Did " << (checkInFileOrNot? "not " : "") << "find " << expected_string << " in " << files[0]; } static void TestBasename() { fprintf(stderr, "==== Test setting log file basename\n"); const string dest = FLAGS_test_tmpdir + "/logging_test_basename"; DeleteFiles(dest + "*"); SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new base"; FlushLogFiles(GLOG_INFO); CheckFile(dest, "message to new base"); // Release file handle for the destination file to unlock the file in Windows. LogToStderr(); DeleteFiles(dest + "*"); } static void TestBasenameAppendWhenNoTimestamp() { fprintf(stderr, "==== Test setting log file basename without timestamp and appending properly\n"); const string dest = FLAGS_test_tmpdir + "/logging_test_basename_append_when_no_timestamp"; DeleteFiles(dest + "*"); ofstream out(dest.c_str()); out << "test preexisting content" << endl; out.close(); CheckFile(dest, "test preexisting content"); FLAGS_timestamp_in_logfile_name=false; SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new base, appending to preexisting file"; FlushLogFiles(GLOG_INFO); FLAGS_timestamp_in_logfile_name=true; //if the logging overwrites the file instead of appending it will fail. CheckFile(dest, "test preexisting content"); CheckFile(dest, "message to new base, appending to preexisting file"); // Release file handle for the destination file to unlock the file in Windows. LogToStderr(); DeleteFiles(dest + "*"); } static void TestTwoProcessesWrite() { // test only implemented for platforms with fork & wait; the actual implementation relies on flock #if defined(HAVE_SYS_WAIT_H) && defined(HAVE_UNISTD_H) && defined(HAVE_FCNTL) fprintf(stderr, "==== Test setting log file basename and two processes writing - second should fail\n"); const string dest = FLAGS_test_tmpdir + "/logging_test_basename_two_processes_writing"; DeleteFiles(dest + "*"); //make both processes write into the same file (easier test) FLAGS_timestamp_in_logfile_name=false; SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new base, parent"; FlushLogFiles(GLOG_INFO); pid_t pid = fork(); CHECK_ERR(pid); if (pid == 0) { LOG(INFO) << "message to new base, child - should only appear on STDERR not on the file"; ShutdownGoogleLogging(); //for children proc exit(EXIT_SUCCESS); } else if (pid > 0) { wait(NULL); } FLAGS_timestamp_in_logfile_name=true; CheckFile(dest, "message to new base, parent"); CheckFile(dest, "message to new base, child - should only appear on STDERR not on the file", false); // Release LogToStderr(); DeleteFiles(dest + "*"); #endif } static void TestSymlink() { #ifndef GLOG_OS_WINDOWS fprintf(stderr, "==== Test setting log file symlink\n"); string dest = FLAGS_test_tmpdir + "/logging_test_symlink"; string sym = FLAGS_test_tmpdir + "/symlinkbase"; DeleteFiles(dest + "*"); DeleteFiles(sym + "*"); SetLogSymlink(GLOG_INFO, "symlinkbase"); SetLogDestination(GLOG_INFO, dest.c_str()); LOG(INFO) << "message to new symlink"; FlushLogFiles(GLOG_INFO); CheckFile(sym, "message to new symlink"); DeleteFiles(dest + "*"); DeleteFiles(sym + "*"); #endif } static void TestExtension() { fprintf(stderr, "==== Test setting log file extension\n"); string dest = FLAGS_test_tmpdir + "/logging_test_extension"; DeleteFiles(dest + "*"); SetLogDestination(GLOG_INFO, dest.c_str()); SetLogFilenameExtension("specialextension"); LOG(INFO) << "message to new extension"; FlushLogFiles(GLOG_INFO); CheckFile(dest, "message to new extension"); // Check that file name ends with extension vector filenames; GetFiles(dest + "*", &filenames); CHECK_EQ(filenames.size(), 1UL); CHECK(strstr(filenames[0].c_str(), "specialextension") != NULL); // Release file handle for the destination file to unlock the file in Windows. LogToStderr(); DeleteFiles(dest + "*"); } struct MyLogger : public base::Logger { string data; virtual void Write(bool /* should_flush */, time_t /* timestamp */, const char* message, size_t length) { data.append(message, length); } virtual void Flush() { } virtual uint32 LogSize() { return data.length(); } }; static void TestWrapper() { fprintf(stderr, "==== Test log wrapper\n"); MyLogger my_logger; base::Logger* old_logger = base::GetLogger(GLOG_INFO); base::SetLogger(GLOG_INFO, &my_logger); LOG(INFO) << "Send to wrapped logger"; FlushLogFiles(GLOG_INFO); base::SetLogger(GLOG_INFO, old_logger); CHECK(strstr(my_logger.data.c_str(), "Send to wrapped logger") != NULL); } static void TestErrno() { fprintf(stderr, "==== Test errno preservation\n"); errno = ENOENT; TestLogging(false); CHECK_EQ(errno, ENOENT); } static void TestOneTruncate(const char *path, uint64 limit, uint64 keep, size_t dsize, size_t ksize, size_t expect) { int fd; CHECK_ERR(fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0600)); const char *discardstr = "DISCARDME!", *keepstr = "KEEPME!"; const size_t discard_size = strlen(discardstr), keep_size = strlen(keepstr); // Fill the file with the requested data; first discard data, then kept data size_t written = 0; while (written < dsize) { size_t bytes = min(dsize - written, discard_size); CHECK_ERR(write(fd, discardstr, bytes)); written += bytes; } written = 0; while (written < ksize) { size_t bytes = min(ksize - written, keep_size); CHECK_ERR(write(fd, keepstr, bytes)); written += bytes; } TruncateLogFile(path, limit, keep); // File should now be shorter struct stat statbuf; CHECK_ERR(fstat(fd, &statbuf)); CHECK_EQ(static_cast(statbuf.st_size), expect); CHECK_ERR(lseek(fd, 0, SEEK_SET)); // File should contain the suffix of the original file const size_t buf_size = static_cast(statbuf.st_size) + 1; char* buf = new char[buf_size]; memset(buf, 0, buf_size); CHECK_ERR(read(fd, buf, buf_size)); const char* p = buf; size_t checked = 0; while (checked < expect) { size_t bytes = min(expect - checked, keep_size); CHECK(!memcmp(p, keepstr, bytes)); checked += bytes; } close(fd); delete[] buf; } static void TestTruncate() { #ifdef HAVE_UNISTD_H fprintf(stderr, "==== Test log truncation\n"); string path = FLAGS_test_tmpdir + "/truncatefile"; // Test on a small file TestOneTruncate(path.c_str(), 10, 10, 10, 10, 10); // And a big file (multiple blocks to copy) TestOneTruncate(path.c_str(), 2U << 20U, 4U << 10U, 3U << 20U, 4U << 10U, 4U << 10U); // Check edge-case limits TestOneTruncate(path.c_str(), 10, 20, 0, 20, 20); TestOneTruncate(path.c_str(), 10, 0, 0, 0, 0); TestOneTruncate(path.c_str(), 10, 50, 0, 10, 10); TestOneTruncate(path.c_str(), 50, 100, 0, 30, 30); // MacOSX 10.4 doesn't fail in this case. // Windows doesn't have symlink. // Let's just ignore this test for these cases. #if !defined(GLOG_OS_MACOSX) && !defined(GLOG_OS_WINDOWS) // Through a symlink should fail to truncate string linkname = path + ".link"; unlink(linkname.c_str()); CHECK_ERR(symlink(path.c_str(), linkname.c_str())); TestOneTruncate(linkname.c_str(), 10, 10, 0, 30, 30); #endif // The /proc/self path makes sense only for linux. #if defined(GLOG_OS_LINUX) // Through an open fd symlink should work int fd; CHECK_ERR(fd = open(path.c_str(), O_APPEND | O_WRONLY)); char fdpath[64]; snprintf(fdpath, sizeof(fdpath), "/proc/self/fd/%d", fd); TestOneTruncate(fdpath, 10, 10, 10, 10, 10); #endif #endif } struct RecordDeletionLogger : public base::Logger { RecordDeletionLogger(bool* set_on_destruction, base::Logger* wrapped_logger) : set_on_destruction_(set_on_destruction), wrapped_logger_(wrapped_logger) { *set_on_destruction_ = false; } virtual ~RecordDeletionLogger() { *set_on_destruction_ = true; } virtual void Write(bool force_flush, time_t timestamp, const char* message, size_t length) { wrapped_logger_->Write(force_flush, timestamp, message, length); } virtual void Flush() { wrapped_logger_->Flush(); } virtual uint32 LogSize() { return wrapped_logger_->LogSize(); } private: bool* set_on_destruction_; base::Logger* wrapped_logger_; }; static void TestCustomLoggerDeletionOnShutdown() { bool custom_logger_deleted = false; base::SetLogger(GLOG_INFO, new RecordDeletionLogger(&custom_logger_deleted, base::GetLogger(GLOG_INFO))); EXPECT_TRUE(IsGoogleLoggingInitialized()); ShutdownGoogleLogging(); EXPECT_TRUE(custom_logger_deleted); EXPECT_FALSE(IsGoogleLoggingInitialized()); } namespace LogTimes { // Log a "message" every 10ms, 10 times. These numbers are nice compromise // between total running time of 100ms and the period of 10ms. The period is // large enough such that any CPU and OS scheduling variation shouldn't affect // the results from the ideal case by more than 5% (500us or 0.5ms) GLOG_CONSTEXPR int64_t LOG_PERIOD_NS = 10000000; // 10ms GLOG_CONSTEXPR int64_t LOG_PERIOD_TOL_NS = 500000; // 500us // Set an upper limit for the number of times the stream operator can be // called. Make sure not to exceed this number of times the stream operator is // called, since it is also the array size and will be indexed by the stream // operator. GLOG_CONSTEXPR size_t MAX_CALLS = 10; } // namespace LogTimes #if defined(HAVE_CXX11_CHRONO) && __cplusplus >= 201103L struct LogTimeRecorder { LogTimeRecorder() : m_streamTimes(0) {} size_t m_streamTimes; std::chrono::steady_clock::time_point m_callTimes[LogTimes::MAX_CALLS]; }; // The stream operator is called by LOG_EVERY_T every time a logging event // occurs. Make sure to save the times for each call as they will be used later // to verify the time delta between each call. std::ostream& operator<<(std::ostream& stream, LogTimeRecorder& t) { t.m_callTimes[t.m_streamTimes++] = std::chrono::steady_clock::now(); return stream; } // get elapsed time in nanoseconds int64 elapsedTime_ns(const std::chrono::steady_clock::time_point& begin, const std::chrono::steady_clock::time_point& end) { return std::chrono::duration_cast((end - begin)) .count(); } #elif defined(GLOG_OS_WINDOWS) struct LogTimeRecorder { LogTimeRecorder() : m_streamTimes(0) {} size_t m_streamTimes; LARGE_INTEGER m_callTimes[LogTimes::MAX_CALLS]; }; std::ostream& operator<<(std::ostream& stream, LogTimeRecorder& t) { QueryPerformanceCounter(&t.m_callTimes[t.m_streamTimes++]); return stream; } // get elapsed time in nanoseconds int64 elapsedTime_ns(const LARGE_INTEGER& begin, const LARGE_INTEGER& end) { LARGE_INTEGER freq; QueryPerformanceFrequency(&freq); return (end.QuadPart - begin.QuadPart) * LONGLONG(1000000000) / freq.QuadPart; } #else struct LogTimeRecorder { LogTimeRecorder() : m_streamTimes(0) {} size_t m_streamTimes; timespec m_callTimes[LogTimes::MAX_CALLS]; }; std::ostream& operator<<(std::ostream& stream, LogTimeRecorder& t) { clock_gettime(CLOCK_MONOTONIC, &t.m_callTimes[t.m_streamTimes++]); return stream; } // get elapsed time in nanoseconds int64 elapsedTime_ns(const timespec& begin, const timespec& end) { return (end.tv_sec - begin.tv_sec) * 1000000000 + (end.tv_nsec - begin.tv_nsec); } #endif static void TestLogPeriodically() { fprintf(stderr, "==== Test log periodically\n"); LogTimeRecorder timeLogger; GLOG_CONSTEXPR double LOG_PERIOD_SEC = LogTimes::LOG_PERIOD_NS * 1e-9; while (timeLogger.m_streamTimes < LogTimes::MAX_CALLS) { LOG_EVERY_T(INFO, LOG_PERIOD_SEC) << timeLogger << "Timed Message #" << timeLogger.m_streamTimes; } // Calculate time between each call in nanoseconds for higher resolution to // minimize error. int64 nsBetweenCalls[LogTimes::MAX_CALLS - 1]; for (size_t i = 1; i < LogTimes::MAX_CALLS; ++i) { nsBetweenCalls[i - 1] = elapsedTime_ns( timeLogger.m_callTimes[i - 1], timeLogger.m_callTimes[i]); } for (size_t idx = 0; idx < LogTimes::MAX_CALLS - 1; ++idx) { int64 time_ns = nsBetweenCalls[idx]; EXPECT_NEAR(time_ns, LogTimes::LOG_PERIOD_NS, LogTimes::LOG_PERIOD_TOL_NS); } } _START_GOOGLE_NAMESPACE_ namespace glog_internal_namespace_ { extern // in logging.cc bool SafeFNMatch_(const char* pattern, size_t patt_len, const char* str, size_t str_len); } // namespace glog_internal_namespace_ using glog_internal_namespace_::SafeFNMatch_; _END_GOOGLE_NAMESPACE_ static bool WrapSafeFNMatch(string pattern, string str) { pattern += "abc"; str += "defgh"; return SafeFNMatch_(pattern.data(), pattern.size() - 3, str.data(), str.size() - 5); } TEST(SafeFNMatch, logging) { CHECK(WrapSafeFNMatch("foo", "foo")); CHECK(!WrapSafeFNMatch("foo", "bar")); CHECK(!WrapSafeFNMatch("foo", "fo")); CHECK(!WrapSafeFNMatch("foo", "foo2")); CHECK(WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext")); CHECK(WrapSafeFNMatch("*ba*r/fo*o.ext*", "bar/foo.ext")); CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/baz.ext")); CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo")); CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext.zip")); CHECK(WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext")); CHECK(WrapSafeFNMatch("ba?/*.ext", "baZ/FOO.ext")); CHECK(!WrapSafeFNMatch("ba?/*.ext", "barr/foo.ext")); CHECK(!WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext2")); CHECK(WrapSafeFNMatch("ba?/*", "bar/foo.ext2")); CHECK(WrapSafeFNMatch("ba?/*", "bar/")); CHECK(!WrapSafeFNMatch("ba?/?", "bar/")); CHECK(!WrapSafeFNMatch("ba?/*", "bar")); } // TestWaitingLogSink will save messages here // No lock: Accessed only by TestLogSinkWriter thread // and after its demise by its creator. static vector global_messages; // helper for TestWaitingLogSink below. // Thread that does the logic of TestWaitingLogSink // It's free to use LOG() itself. class TestLogSinkWriter : public Thread { public: TestLogSinkWriter() : should_exit_(false) { SetJoinable(true); Start(); } // Just buffer it (can't use LOG() here). void Buffer(const string& message) { mutex_.Lock(); RAW_LOG(INFO, "Buffering"); messages_.push(message); mutex_.Unlock(); RAW_LOG(INFO, "Buffered"); } // Wait for the buffer to clear (can't use LOG() here). void Wait() { RAW_LOG(INFO, "Waiting"); mutex_.Lock(); while (!NoWork()) { mutex_.Unlock(); SleepForMilliseconds(1); mutex_.Lock(); } RAW_LOG(INFO, "Waited"); mutex_.Unlock(); } // Trigger thread exit. void Stop() { MutexLock l(&mutex_); should_exit_ = true; } private: // helpers --------------- // For creating a "Condition". bool NoWork() { return messages_.empty(); } bool HaveWork() { return !messages_.empty() || should_exit_; } // Thread body; CAN use LOG() here! virtual void Run() { while (1) { mutex_.Lock(); while (!HaveWork()) { mutex_.Unlock(); SleepForMilliseconds(1); mutex_.Lock(); } if (should_exit_ && messages_.empty()) { mutex_.Unlock(); break; } // Give the main thread time to log its message, // so that we get a reliable log capture to compare to golden file. // Same for the other sleep below. SleepForMilliseconds(20); RAW_LOG(INFO, "Sink got a messages"); // only RAW_LOG under mutex_ here string message = messages_.front(); messages_.pop(); // Normally this would be some more real/involved logging logic // where LOG() usage can't be eliminated, // e.g. pushing the message over with an RPC: size_t messages_left = messages_.size(); mutex_.Unlock(); SleepForMilliseconds(20); // May not use LOG while holding mutex_, because Buffer() // acquires mutex_, and Buffer is called from LOG(), // which has its own internal mutex: // LOG()->LogToSinks()->TestWaitingLogSink::send()->Buffer() LOG(INFO) << "Sink is sending out a message: " << message; LOG(INFO) << "Have " << messages_left << " left"; global_messages.push_back(message); } } // data --------------- Mutex mutex_; bool should_exit_; queue messages_; // messages to be logged }; // A log sink that exercises WaitTillSent: // it pushes data to a buffer and wakes up another thread to do the logging // (that other thread can than use LOG() itself), class TestWaitingLogSink : public LogSink { public: TestWaitingLogSink() { tid_ = pthread_self(); // for thread-specific behavior AddLogSink(this); } ~TestWaitingLogSink() { RemoveLogSink(this); writer_.Stop(); writer_.Join(); } // (re)define LogSink interface virtual void send(LogSeverity severity, const char* /* full_filename */, const char* base_filename, int line, const LogMessageTime &logmsgtime, const char* message, size_t message_len) { // Push it to Writer thread if we are the original logging thread. // Note: Something like ThreadLocalLogSink is a better choice // to do thread-specific LogSink logic for real. if (pthread_equal(tid_, pthread_self())) { writer_.Buffer(ToString(severity, base_filename, line, logmsgtime, message, message_len)); } } virtual void WaitTillSent() { // Wait for Writer thread if we are the original logging thread. if (pthread_equal(tid_, pthread_self())) writer_.Wait(); } private: pthread_t tid_; TestLogSinkWriter writer_; }; // Check that LogSink::WaitTillSent can be used in the advertised way. // We also do golden-stderr comparison. static void TestLogSinkWaitTillSent() { // Clear global_messages here to make sure that this test case can be // reentered global_messages.clear(); { TestWaitingLogSink sink; // Sleeps give the sink threads time to do all their work, // so that we get a reliable log capture to compare to the golden file. LOG(INFO) << "Message 1"; SleepForMilliseconds(60); LOG(ERROR) << "Message 2"; SleepForMilliseconds(60); LOG(WARNING) << "Message 3"; SleepForMilliseconds(60); } for (size_t i = 0; i < global_messages.size(); ++i) { LOG(INFO) << "Sink capture: " << global_messages[i]; } CHECK_EQ(global_messages.size(), 3UL); } TEST(Strerror, logging) { int errcode = EINTR; char *msg = strdup(strerror(errcode)); const size_t buf_size = strlen(msg) + 1; char *buf = new char[buf_size]; CHECK_EQ(posix_strerror_r(errcode, NULL, 0), -1); buf[0] = 'A'; CHECK_EQ(posix_strerror_r(errcode, buf, 0), -1); CHECK_EQ(buf[0], 'A'); CHECK_EQ(posix_strerror_r(errcode, NULL, buf_size), -1); #if defined(GLOG_OS_MACOSX) || defined(GLOG_OS_FREEBSD) || defined(GLOG_OS_OPENBSD) // MacOSX or FreeBSD considers this case is an error since there is // no enough space. CHECK_EQ(posix_strerror_r(errcode, buf, 1), -1); #else CHECK_EQ(posix_strerror_r(errcode, buf, 1), 0); #endif CHECK_STREQ(buf, ""); CHECK_EQ(posix_strerror_r(errcode, buf, buf_size), 0); CHECK_STREQ(buf, msg); delete[] buf; CHECK_EQ(msg, StrError(errcode)); free(msg); } // Simple routines to look at the sizes of generated code for LOG(FATAL) and // CHECK(..) via objdump /* static void MyFatal() { LOG(FATAL) << "Failed"; } static void MyCheck(bool a, bool b) { CHECK_EQ(a, b); } */ #ifdef HAVE_LIB_GMOCK TEST(DVLog, Basic) { ScopedMockLog log; #if defined(NDEBUG) // We are expecting that nothing is logged. EXPECT_CALL(log, Log(_, _, _)).Times(0); #else EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "debug log")); #endif FLAGS_v = 1; DVLOG(1) << "debug log"; } TEST(DVLog, V0) { ScopedMockLog log; // We are expecting that nothing is logged. EXPECT_CALL(log, Log(_, _, _)).Times(0); FLAGS_v = 0; DVLOG(1) << "debug log"; } TEST(LogAtLevel, Basic) { ScopedMockLog log; // The function version outputs "logging.h" as a file name. EXPECT_CALL(log, Log(GLOG_WARNING, StrNe(__FILE__), "function version")); EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "macro version")); int severity = GLOG_WARNING; LogAtLevel(severity, "function version"); severity = GLOG_INFO; // We can use the macro version as a C++ stream. LOG_AT_LEVEL(severity) << "macro" << ' ' << "version"; } TEST(TestExitOnDFatal, ToBeOrNotToBe) { // Check the default setting... EXPECT_TRUE(base::internal::GetExitOnDFatal()); // Turn off... base::internal::SetExitOnDFatal(false); EXPECT_FALSE(base::internal::GetExitOnDFatal()); // We don't die. { ScopedMockLog log; //EXPECT_CALL(log, Log(_, _, _)).Times(AnyNumber()); // LOG(DFATAL) has severity FATAL if debugging, but is // downgraded to ERROR if not debugging. const LogSeverity severity = #if defined(NDEBUG) GLOG_ERROR; #else GLOG_FATAL; #endif EXPECT_CALL(log, Log(severity, __FILE__, "This should not be fatal")); LOG(DFATAL) << "This should not be fatal"; } // Turn back on... base::internal::SetExitOnDFatal(true); EXPECT_TRUE(base::internal::GetExitOnDFatal()); #ifdef GTEST_HAS_DEATH_TEST // Death comes on little cats' feet. EXPECT_DEBUG_DEATH({ LOG(DFATAL) << "This should be fatal in debug mode"; }, "This should be fatal in debug mode"); #endif } #ifdef HAVE_STACKTRACE static void BacktraceAtHelper() { LOG(INFO) << "Not me"; // The vertical spacing of the next 3 lines is significant. LOG(INFO) << "Backtrace me"; } static int kBacktraceAtLine = __LINE__ - 2; // The line of the LOG(INFO) above TEST(LogBacktraceAt, DoesNotBacktraceWhenDisabled) { StrictMock log; FLAGS_log_backtrace_at = ""; EXPECT_CALL(log, Log(_, _, "Backtrace me")); EXPECT_CALL(log, Log(_, _, "Not me")); BacktraceAtHelper(); } TEST(LogBacktraceAt, DoesBacktraceAtRightLineWhenEnabled) { StrictMock log; char where[100]; snprintf(where, 100, "%s:%d", const_basename(__FILE__), kBacktraceAtLine); FLAGS_log_backtrace_at = where; // The LOG at the specified line should include a stacktrace which includes // the name of the containing function, followed by the log message. // We use HasSubstr()s instead of ContainsRegex() for environments // which don't have regexp. EXPECT_CALL(log, Log(_, _, AllOf(HasSubstr("stacktrace:"), HasSubstr("BacktraceAtHelper"), HasSubstr("main"), HasSubstr("Backtrace me")))); // Other LOGs should not include a backtrace. EXPECT_CALL(log, Log(_, _, "Not me")); BacktraceAtHelper(); } #endif // HAVE_STACKTRACE #endif // HAVE_LIB_GMOCK struct UserDefinedClass { bool operator==(const UserDefinedClass&) const { return true; } }; inline ostream& operator<<(ostream& out, const UserDefinedClass&) { out << "OK"; return out; } TEST(UserDefinedClass, logging) { UserDefinedClass u; vector buf; LOG_STRING(INFO, &buf) << u; CHECK_EQ(1UL, buf.size()); CHECK(buf[0].find("OK") != string::npos); // We must be able to compile this. CHECK_EQ(u, u); } glog-0.6.0/src/logging_unittest.err000066400000000000000000000540371422266545700173610ustar00rootroot00000000000000IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=2 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error WARNING: Logging before InitGoogleLogging() is written to STDERR IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] foo bar 10 3.4 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Plog every 2, iteration 1: __SUCCESS__ [0] EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 3, iteration 1 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 4, iteration 1 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 5, iteration 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 1 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if less than 3 every 2, iteration 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 2 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Plog every 2, iteration 3: __ENOENT__ [2] IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 3 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if less than 3 every 2, iteration 3 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 3, iteration 4 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 4 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Plog every 2, iteration 5: __EINTR__ [4] EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 4, iteration 5 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 5 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 5, iteration 6 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 6 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Plog every 2, iteration 7: __ENXIO__ [6] EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 3, iteration 7 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 7 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 8 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Plog every 2, iteration 9: __ENOEXEC__ [8] EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 4, iteration 9 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 9 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log every 3, iteration 10 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Log if every 1, iteration 10 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if this IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] array IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] const array EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] foo 1000 1000 3e8 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] foo 1 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] inner EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] outer no prefix IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: foo bar 10 3.400000 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: array IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: const array IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: ptr __PTRTEST__ IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: ptr __NULLP__ EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: foo 1000 0000001000 3e8 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: foo 1000 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: foo 1000 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: RAW_LOG ERROR: The Message was too long! IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: RAW_LOG ERROR: The Message was too long! IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 on IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 1 on IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 2 on IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=-1 stderrthreshold=0 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=1 logtostderr=0 alsologtostderr=0 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=2 logtostderr=0 alsologtostderr=0 EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=0 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=1 alsologtostderr=0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=0 alsologtostderr=1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=1 logtostderr=0 alsologtostderr=0 WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=3 logtostderr=0 alsologtostderr=1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_STRING: reported info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_STRING: reported warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_STRING: reported error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected warning IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: reported info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: reported warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: reported error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_SINK: IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: collected info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: collected warning IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: reported info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: reported warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: reported error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Buffering IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Buffered IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Waiting IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Sink got a messages IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Waited IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink is sending out a message: IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Have 0 left EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Buffering IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Buffered IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Waiting IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Sink got a messages IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Waited IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink is sending out a message: EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Have 0 left WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 3 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Buffering IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Buffered IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Waiting IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Sink got a messages IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] RAW: Waited IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink is sending out a message: WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 3 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Have 0 left IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink capture: IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink capture: EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink capture: WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 3 glog-0.6.0/src/logging_unittest.out000066400000000000000000000252121422266545700173710ustar00rootroot00000000000000IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if -1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if info every 1 expr EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] log_if error every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] vlog_if 0 every 1 expr IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_STRING: reported info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_STRING: reported warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_STRING: reported error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected warning IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_STRING: LOG_STRING: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: reported info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: reported warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: reported error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_SINK: IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: collected info IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: collected warning IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Captured by LOG_TO_STRING: LOG_TO_STRING: collected error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: reported info WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: reported warning EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] LOG_TO_STRING: reported error IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink is sending out a message: IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Have 0 left EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink is sending out a message: EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Have 0 left WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 3 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink is sending out a message: WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 3 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Have 0 left IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink capture: IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 1 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink capture: EYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 2 IYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Sink capture: WYEARDATE TIME__ THREADID logging_unittest.cc:LINE] Message 3 glog-0.6.0/src/mock-log.h000066400000000000000000000146371422266545700151450ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Zhanyong Wan // // Defines the ScopedMockLog class (using Google C++ Mocking // Framework), which is convenient for testing code that uses LOG(). #ifndef GLOG_SRC_MOCK_LOG_H_ #define GLOG_SRC_MOCK_LOG_H_ // For GOOGLE_NAMESPACE. This must go first so we get _XOPEN_SOURCE. #include "utilities.h" #include #include #include _START_GOOGLE_NAMESPACE_ namespace glog_testing { // A ScopedMockLog object intercepts LOG() messages issued during its // lifespan. Using this together with Google C++ Mocking Framework, // it's very easy to test how a piece of code calls LOG(). The // typical usage: // // TEST(FooTest, LogsCorrectly) { // ScopedMockLog log; // // // We expect the WARNING "Something bad!" exactly twice. // EXPECT_CALL(log, Log(WARNING, _, "Something bad!")) // .Times(2); // // // We allow foo.cc to call LOG(INFO) any number of times. // EXPECT_CALL(log, Log(INFO, HasSubstr("/foo.cc"), _)) // .Times(AnyNumber()); // // Foo(); // Exercises the code under test. // } class ScopedMockLog : public GOOGLE_NAMESPACE::LogSink { public: // When a ScopedMockLog object is constructed, it starts to // intercept logs. ScopedMockLog() { AddLogSink(this); } // When the object is destructed, it stops intercepting logs. ~ScopedMockLog() { RemoveLogSink(this); } // Implements the mock method: // // void Log(LogSeverity severity, const string& file_path, // const string& message); // // The second argument to Send() is the full path of the source file // in which the LOG() was issued. // // Note, that in a multi-threaded environment, all LOG() messages from a // single thread will be handled in sequence, but that cannot be guaranteed // for messages from different threads. In fact, if the same or multiple // expectations are matched on two threads concurrently, their actions will // be executed concurrently as well and may interleave. MOCK_METHOD3(Log, void(GOOGLE_NAMESPACE::LogSeverity severity, const std::string& file_path, const std::string& message)); private: // Implements the send() virtual function in class LogSink. // Whenever a LOG() statement is executed, this function will be // invoked with information presented in the LOG(). // // The method argument list is long and carries much information a // test usually doesn't care about, so we trim the list before // forwarding the call to Log(), which is much easier to use in // tests. // // We still cannot call Log() directly, as it may invoke other LOG() // messages, either due to Invoke, or due to an error logged in // Google C++ Mocking Framework code, which would trigger a deadlock // since a lock is held during send(). // // Hence, we save the message for WaitTillSent() which will be called after // the lock on send() is released, and we'll call Log() inside // WaitTillSent(). Since while a single send() call may be running at a // time, multiple WaitTillSent() calls (along with the one send() call) may // be running simultaneously, we ensure thread-safety of the exchange between // send() and WaitTillSent(), and that for each message, LOG(), send(), // WaitTillSent() and Log() are executed in the same thread. virtual void send(GOOGLE_NAMESPACE::LogSeverity severity, const char* full_filename, const char* /*base_filename*/, int /*line*/, const LogMessageTime & /*logmsgtime*/, const char* message, size_t message_len) { // We are only interested in the log severity, full file name, and // log message. message_info_.severity = severity; message_info_.file_path = full_filename; message_info_.message = std::string(message, message_len); } // Implements the WaitTillSent() virtual function in class LogSink. // It will be executed after send() and after the global logging lock is // released, so calls within it (or rather within the Log() method called // within) may also issue LOG() statements. // // LOG(), send(), WaitTillSent() and Log() will occur in the same thread for // a given log message. virtual void WaitTillSent() { // First, and very importantly, we save a copy of the message being // processed before calling Log(), since Log() may indirectly call send() // and WaitTillSent() in the same thread again. MessageInfo message_info = message_info_; Log(message_info.severity, message_info.file_path, message_info.message); } // All relevant information about a logged message that needs to be passed // from send() to WaitTillSent(). struct MessageInfo { GOOGLE_NAMESPACE::LogSeverity severity; std::string file_path; std::string message; }; MessageInfo message_info_; }; } // namespace glog_testing _END_GOOGLE_NAMESPACE_ #endif // GLOG_SRC_MOCK_LOG_H_ glog-0.6.0/src/mock-log_unittest.cc000066400000000000000000000072101422266545700172270ustar00rootroot00000000000000// Copyright (c) 2022, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Zhanyong Wan // Tests the ScopedMockLog class. #include "mock-log.h" #include #include #include namespace { using GOOGLE_NAMESPACE::GLOG_ERROR; using GOOGLE_NAMESPACE::GLOG_INFO; using GOOGLE_NAMESPACE::GLOG_WARNING; using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog; using std::string; using testing::_; using testing::EndsWith; using testing::InSequence; using testing::InvokeWithoutArgs; // Tests that ScopedMockLog intercepts LOG()s when it's alive. TEST(ScopedMockLogTest, InterceptsLog) { ScopedMockLog log; InSequence s; EXPECT_CALL(log, Log(GLOG_WARNING, EndsWith("mock-log_unittest.cc"), "Fishy.")); EXPECT_CALL(log, Log(GLOG_INFO, _, "Working...")) .Times(2); EXPECT_CALL(log, Log(GLOG_ERROR, _, "Bad!!")); LOG(WARNING) << "Fishy."; LOG(INFO) << "Working..."; LOG(INFO) << "Working..."; LOG(ERROR) << "Bad!!"; } void LogBranch() { LOG(INFO) << "Logging a branch..."; } void LogTree() { LOG(INFO) << "Logging the whole tree..."; } void LogForest() { LOG(INFO) << "Logging the entire forest."; LOG(INFO) << "Logging the entire forest.."; LOG(INFO) << "Logging the entire forest..."; } // The purpose of the following test is to verify that intercepting logging // continues to work properly if a LOG statement is executed within the scope // of a mocked call. TEST(ScopedMockLogTest, LogDuringIntercept) { ScopedMockLog log; InSequence s; EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "Logging a branch...")) .WillOnce(InvokeWithoutArgs(LogTree)); EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "Logging the whole tree...")) .WillOnce(InvokeWithoutArgs(LogForest)); EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "Logging the entire forest.")); EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "Logging the entire forest..")); EXPECT_CALL(log, Log(GLOG_INFO, __FILE__, "Logging the entire forest...")); LogBranch(); } } // namespace int main(int argc, char **argv) { GOOGLE_NAMESPACE::InitGoogleLogging(argv[0]); testing::InitGoogleTest(&argc, argv); testing::InitGoogleMock(&argc, argv); return RUN_ALL_TESTS(); } glog-0.6.0/src/package_config_unittest/000077500000000000000000000000001422266545700201305ustar00rootroot00000000000000glog-0.6.0/src/package_config_unittest/working_config/000077500000000000000000000000001422266545700231355ustar00rootroot00000000000000glog-0.6.0/src/package_config_unittest/working_config/CMakeLists.txt000066400000000000000000000003671422266545700257030ustar00rootroot00000000000000cmake_minimum_required (VERSION 3.16) project (glog_package_config LANGUAGES CXX) find_package (glog REQUIRED NO_MODULE) add_executable (glog_package_config glog_package_config.cc) target_link_libraries (glog_package_config PRIVATE glog::glog) glog-0.6.0/src/package_config_unittest/working_config/glog_package_config.cc000066400000000000000000000001531422266545700273730ustar00rootroot00000000000000#include int main(int /*argc*/, char** argv) { google::InitGoogleLogging(argv[0]); } glog-0.6.0/src/raw_logging.cc000066400000000000000000000144641422266545700160700ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Maxim Lifantsev // // logging_unittest.cc covers the functionality herein #include "utilities.h" #include #include #include #ifdef HAVE_UNISTD_H # include // for close() and write() #endif #include // for open() #include #include "config.h" #include // To pick up flag settings etc. #include #include "base/commandlineflags.h" #ifdef HAVE_STACKTRACE # include "stacktrace.h" #endif #if defined(HAVE_SYSCALL_H) #include // for syscall() #elif defined(HAVE_SYS_SYSCALL_H) #include // for syscall() #endif #ifdef HAVE_UNISTD_H # include #endif #if (defined(HAVE_SYSCALL_H) || defined(HAVE_SYS_SYSCALL_H)) && (!(defined(GLOG_OS_MACOSX))) # define safe_write(fd, s, len) syscall(SYS_write, fd, s, len) #else // Not so safe, but what can you do? # define safe_write(fd, s, len) write(fd, s, len) #endif _START_GOOGLE_NAMESPACE_ #if defined(__GNUC__) #define GLOG_ATTRIBUTE_FORMAT(archetype, stringIndex, firstToCheck) \ __attribute__((format(archetype, stringIndex, firstToCheck))) #define GLOG_ATTRIBUTE_FORMAT_ARG(stringIndex) \ __attribute__((format_arg(stringIndex))) #else #define GLOG_ATTRIBUTE_FORMAT(archetype, stringIndex, firstToCheck) #define GLOG_ATTRIBUTE_FORMAT_ARG(stringIndex) #endif // CAVEAT: vsnprintf called from *DoRawLog below has some (exotic) code paths // that invoke malloc() and getenv() that might acquire some locks. // If this becomes a problem we should reimplement a subset of vsnprintf // that does not need locks and malloc. // Helper for RawLog__ below. // *DoRawLog writes to *buf of *size and move them past the written portion. // It returns true iff there was no overflow or error. GLOG_ATTRIBUTE_FORMAT(printf, 3, 4) static bool DoRawLog(char** buf, size_t* size, const char* format, ...) { va_list ap; va_start(ap, format); int n = vsnprintf(*buf, *size, format, ap); va_end(ap); if (n < 0 || static_cast(n) > *size) return false; *size -= static_cast(n); *buf += n; return true; } // Helper for RawLog__ below. inline static bool VADoRawLog(char** buf, size_t* size, const char* format, va_list ap) { #if defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wformat-nonliteral" #endif int n = vsnprintf(*buf, *size, format, ap); #if defined(__GNUC__) #pragma GCC diagnostic pop #endif if (n < 0 || static_cast(n) > *size) return false; *size -= static_cast(n); *buf += n; return true; } static const int kLogBufSize = 3000; static bool crashed = false; static CrashReason crash_reason; static char crash_buf[kLogBufSize + 1] = { 0 }; // Will end in '\0' GLOG_ATTRIBUTE_FORMAT(printf, 4, 5) void RawLog__(LogSeverity severity, const char* file, int line, const char* format, ...) { if (!(FLAGS_logtostdout || FLAGS_logtostderr || severity >= FLAGS_stderrthreshold || FLAGS_alsologtostderr || !IsGoogleLoggingInitialized())) { return; // this stderr log message is suppressed } // can't call localtime_r here: it can allocate char buffer[kLogBufSize]; char* buf = buffer; size_t size = sizeof(buffer); // NOTE: this format should match the specification in base/logging.h DoRawLog(&buf, &size, "%c00000000 00:00:00.000000 %5u %s:%d] RAW: ", LogSeverityNames[severity][0], static_cast(GetTID()), const_basename(const_cast(file)), line); // Record the position and size of the buffer after the prefix const char* msg_start = buf; const size_t msg_size = size; va_list ap; va_start(ap, format); bool no_chop = VADoRawLog(&buf, &size, format, ap); va_end(ap); if (no_chop) { DoRawLog(&buf, &size, "\n"); } else { DoRawLog(&buf, &size, "RAW_LOG ERROR: The Message was too long!\n"); } // We make a raw syscall to write directly to the stderr file descriptor, // avoiding FILE buffering (to avoid invoking malloc()), and bypassing // libc (to side-step any libc interception). // We write just once to avoid races with other invocations of RawLog__. safe_write(STDERR_FILENO, buffer, strlen(buffer)); if (severity == GLOG_FATAL) { if (!sync_val_compare_and_swap(&crashed, false, true)) { crash_reason.filename = file; crash_reason.line_number = line; memcpy(crash_buf, msg_start, msg_size); // Don't include prefix crash_reason.message = crash_buf; #ifdef HAVE_STACKTRACE crash_reason.depth = GetStackTrace(crash_reason.stack, ARRAYSIZE(crash_reason.stack), 1); #else crash_reason.depth = 0; #endif SetCrashReason(&crash_reason); } LogMessage::Fail(); // abort() } } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/signalhandler.cc000066400000000000000000000332751422266545700164050ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // Implementation of InstallFailureSignalHandler(). #include "utilities.h" #include "stacktrace.h" #include "symbolize.h" #include #include #include #ifdef HAVE_UCONTEXT_H # include #endif #ifdef HAVE_SYS_UCONTEXT_H # include #endif #include _START_GOOGLE_NAMESPACE_ namespace { // We'll install the failure signal handler for these signals. We could // use strsignal() to get signal names, but we don't use it to avoid // introducing yet another #ifdef complication. // // The list should be synced with the comment in signalhandler.h. const struct { int number; const char *name; } kFailureSignals[] = { { SIGSEGV, "SIGSEGV" }, { SIGILL, "SIGILL" }, { SIGFPE, "SIGFPE" }, { SIGABRT, "SIGABRT" }, #if !defined(GLOG_OS_WINDOWS) { SIGBUS, "SIGBUS" }, #endif { SIGTERM, "SIGTERM" }, }; static bool kFailureSignalHandlerInstalled = false; #if !defined(GLOG_OS_WINDOWS) // Returns the program counter from signal context, NULL if unknown. void* GetPC(void* ucontext_in_void) { #if (defined(HAVE_UCONTEXT_H) || defined(HAVE_SYS_UCONTEXT_H)) && defined(PC_FROM_UCONTEXT) if (ucontext_in_void != NULL) { ucontext_t *context = reinterpret_cast(ucontext_in_void); return (void*)context->PC_FROM_UCONTEXT; } #else (void)ucontext_in_void; #endif return NULL; } #endif // The class is used for formatting error messages. We don't use printf() // as it's not async signal safe. class MinimalFormatter { public: MinimalFormatter(char *buffer, size_t size) : buffer_(buffer), cursor_(buffer), end_(buffer + size) { } // Returns the number of bytes written in the buffer. std::size_t num_bytes_written() const { return static_cast(cursor_ - buffer_); } // Appends string from "str" and updates the internal cursor. void AppendString(const char* str) { ptrdiff_t i = 0; while (str[i] != '\0' && cursor_ + i < end_) { cursor_[i] = str[i]; ++i; } cursor_ += i; } // Formats "number" in "radix" and updates the internal cursor. // Lowercase letters are used for 'a' - 'z'. void AppendUint64(uint64 number, unsigned radix) { unsigned i = 0; while (cursor_ + i < end_) { const uint64 tmp = number % radix; number /= radix; cursor_[i] = static_cast(tmp < 10 ? '0' + tmp : 'a' + tmp - 10); ++i; if (number == 0) { break; } } // Reverse the bytes written. std::reverse(cursor_, cursor_ + i); cursor_ += i; } // Formats "number" as hexadecimal number, and updates the internal // cursor. Padding will be added in front if needed. void AppendHexWithPadding(uint64 number, int width) { char* start = cursor_; AppendString("0x"); AppendUint64(number, 16); // Move to right and add padding in front if needed. if (cursor_ < start + width) { const int64 delta = start + width - cursor_; std::copy(start, cursor_, start + delta); std::fill(start, start + delta, ' '); cursor_ = start + width; } } private: char *buffer_; char *cursor_; const char * const end_; }; // Writes the given data with the size to the standard error. void WriteToStderr(const char* data, size_t size) { if (write(STDERR_FILENO, data, size) < 0) { // Ignore errors. } } // The writer function can be changed by InstallFailureWriter(). void (*g_failure_writer)(const char* data, size_t size) = WriteToStderr; // Dumps time information. We don't dump human-readable time information // as localtime() is not guaranteed to be async signal safe. void DumpTimeInfo() { time_t time_in_sec = time(NULL); char buf[256]; // Big enough for time info. MinimalFormatter formatter(buf, sizeof(buf)); formatter.AppendString("*** Aborted at "); formatter.AppendUint64(static_cast(time_in_sec), 10); formatter.AppendString(" (unix time)"); formatter.AppendString(" try \"date -d @"); formatter.AppendUint64(static_cast(time_in_sec), 10); formatter.AppendString("\" if you are using GNU date ***\n"); g_failure_writer(buf, formatter.num_bytes_written()); } // TODO(hamaji): Use signal instead of sigaction? #ifdef HAVE_SIGACTION // Dumps information about the signal to STDERR. void DumpSignalInfo(int signal_number, siginfo_t *siginfo) { // Get the signal name. const char* signal_name = NULL; for (size_t i = 0; i < ARRAYSIZE(kFailureSignals); ++i) { if (signal_number == kFailureSignals[i].number) { signal_name = kFailureSignals[i].name; } } char buf[256]; // Big enough for signal info. MinimalFormatter formatter(buf, sizeof(buf)); formatter.AppendString("*** "); if (signal_name) { formatter.AppendString(signal_name); } else { // Use the signal number if the name is unknown. The signal name // should be known, but just in case. formatter.AppendString("Signal "); formatter.AppendUint64(static_cast(signal_number), 10); } formatter.AppendString(" (@0x"); formatter.AppendUint64(reinterpret_cast(siginfo->si_addr), 16); formatter.AppendString(")"); formatter.AppendString(" received by PID "); formatter.AppendUint64(static_cast(getpid()), 10); formatter.AppendString(" (TID 0x"); // We assume pthread_t is an integral number or a pointer, rather // than a complex struct. In some environments, pthread_self() // returns an uint64 but in some other environments pthread_self() // returns a pointer. pthread_t id = pthread_self(); formatter.AppendUint64( reinterpret_cast(reinterpret_cast(id)), 16); formatter.AppendString(") "); // Only linux has the PID of the signal sender in si_pid. #ifdef GLOG_OS_LINUX formatter.AppendString("from PID "); formatter.AppendUint64(static_cast(siginfo->si_pid), 10); formatter.AppendString("; "); #endif formatter.AppendString("stack trace: ***\n"); g_failure_writer(buf, formatter.num_bytes_written()); } #endif // HAVE_SIGACTION // Dumps information about the stack frame to STDERR. void DumpStackFrameInfo(const char* prefix, void* pc) { // Get the symbol name. const char *symbol = "(unknown)"; char symbolized[1024]; // Big enough for a sane symbol. // Symbolizes the previous address of pc because pc may be in the // next function. if (Symbolize(reinterpret_cast(pc) - 1, symbolized, sizeof(symbolized))) { symbol = symbolized; } char buf[1024]; // Big enough for stack frame info. MinimalFormatter formatter(buf, sizeof(buf)); formatter.AppendString(prefix); formatter.AppendString("@ "); const int width = 2 * sizeof(void*) + 2; // + 2 for "0x". formatter.AppendHexWithPadding(reinterpret_cast(pc), width); formatter.AppendString(" "); formatter.AppendString(symbol); formatter.AppendString("\n"); g_failure_writer(buf, formatter.num_bytes_written()); } // Invoke the default signal handler. void InvokeDefaultSignalHandler(int signal_number) { #ifdef HAVE_SIGACTION struct sigaction sig_action; memset(&sig_action, 0, sizeof(sig_action)); sigemptyset(&sig_action.sa_mask); sig_action.sa_handler = SIG_DFL; sigaction(signal_number, &sig_action, NULL); kill(getpid(), signal_number); #elif defined(GLOG_OS_WINDOWS) signal(signal_number, SIG_DFL); raise(signal_number); #endif } // This variable is used for protecting FailureSignalHandler() from // dumping stuff while another thread is doing it. Our policy is to let // the first thread dump stuff and let other threads wait. // See also comments in FailureSignalHandler(). static pthread_t* g_entered_thread_id_pointer = NULL; // Dumps signal and stack frame information, and invokes the default // signal handler once our job is done. #if defined(GLOG_OS_WINDOWS) void FailureSignalHandler(int signal_number) #else void FailureSignalHandler(int signal_number, siginfo_t *signal_info, void *ucontext) #endif { // First check if we've already entered the function. We use an atomic // compare and swap operation for platforms that support it. For other // platforms, we use a naive method that could lead to a subtle race. // We assume pthread_self() is async signal safe, though it's not // officially guaranteed. pthread_t my_thread_id = pthread_self(); // NOTE: We could simply use pthread_t rather than pthread_t* for this, // if pthread_self() is guaranteed to return non-zero value for thread // ids, but there is no such guarantee. We need to distinguish if the // old value (value returned from __sync_val_compare_and_swap) is // different from the original value (in this case NULL). pthread_t* old_thread_id_pointer = glog_internal_namespace_::sync_val_compare_and_swap( &g_entered_thread_id_pointer, static_cast(NULL), &my_thread_id); if (old_thread_id_pointer != NULL) { // We've already entered the signal handler. What should we do? if (pthread_equal(my_thread_id, *g_entered_thread_id_pointer)) { // It looks the current thread is reentering the signal handler. // Something must be going wrong (maybe we are reentering by another // type of signal?). Kill ourself by the default signal handler. InvokeDefaultSignalHandler(signal_number); } // Another thread is dumping stuff. Let's wait until that thread // finishes the job and kills the process. while (true) { sleep(1); } } // This is the first time we enter the signal handler. We are going to // do some interesting stuff from here. // TODO(satorux): We might want to set timeout here using alarm(), but // mixing alarm() and sleep() can be a bad idea. // First dump time info. DumpTimeInfo(); #if !defined(GLOG_OS_WINDOWS) // Get the program counter from ucontext. void *pc = GetPC(ucontext); DumpStackFrameInfo("PC: ", pc); #endif #ifdef HAVE_STACKTRACE // Get the stack traces. void *stack[32]; // +1 to exclude this function. const int depth = GetStackTrace(stack, ARRAYSIZE(stack), 1); # ifdef HAVE_SIGACTION DumpSignalInfo(signal_number, signal_info); # endif // Dump the stack traces. for (int i = 0; i < depth; ++i) { DumpStackFrameInfo(" ", stack[i]); } #endif // *** TRANSITION *** // // BEFORE this point, all code must be async-termination-safe! // (See WARNING above.) // // AFTER this point, we do unsafe things, like using LOG()! // The process could be terminated or hung at any time. We try to // do more useful things first and riskier things later. // Flush the logs before we do anything in case 'anything' // causes problems. FlushLogFilesUnsafe(0); // Kill ourself by the default signal handler. InvokeDefaultSignalHandler(signal_number); } } // namespace namespace glog_internal_namespace_ { bool IsFailureSignalHandlerInstalled() { #ifdef HAVE_SIGACTION // TODO(andschwa): Return kFailureSignalHandlerInstalled? struct sigaction sig_action; memset(&sig_action, 0, sizeof(sig_action)); sigemptyset(&sig_action.sa_mask); sigaction(SIGABRT, NULL, &sig_action); if (sig_action.sa_sigaction == &FailureSignalHandler) { return true; } #elif defined(GLOG_OS_WINDOWS) return kFailureSignalHandlerInstalled; #endif // HAVE_SIGACTION return false; } } // namespace glog_internal_namespace_ void InstallFailureSignalHandler() { #ifdef HAVE_SIGACTION // Build the sigaction struct. struct sigaction sig_action; memset(&sig_action, 0, sizeof(sig_action)); sigemptyset(&sig_action.sa_mask); sig_action.sa_flags |= SA_SIGINFO; sig_action.sa_sigaction = &FailureSignalHandler; for (size_t i = 0; i < ARRAYSIZE(kFailureSignals); ++i) { CHECK_ERR(sigaction(kFailureSignals[i].number, &sig_action, NULL)); } kFailureSignalHandlerInstalled = true; #elif defined(GLOG_OS_WINDOWS) for (size_t i = 0; i < ARRAYSIZE(kFailureSignals); ++i) { CHECK_NE(signal(kFailureSignals[i].number, &FailureSignalHandler), SIG_ERR); } kFailureSignalHandlerInstalled = true; #endif // HAVE_SIGACTION } void InstallFailureWriter(void (*writer)(const char* data, size_t size)) { #if defined(HAVE_SIGACTION) || defined(GLOG_OS_WINDOWS) g_failure_writer = writer; #endif // HAVE_SIGACTION } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/signalhandler_unittest.cc000066400000000000000000000074741422266545700203460ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // This is a helper binary for testing signalhandler.cc. The actual test // is done in signalhandler_unittest.sh. #include "utilities.h" #if defined(HAVE_PTHREAD) # include #endif #include #include #include #include #include #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif using namespace GOOGLE_NAMESPACE; static void* DieInThread(void*) { // We assume pthread_t is an integral number or a pointer, rather // than a complex struct. In some environments, pthread_self() // returns an uint64 but in some other environments pthread_self() // returns a pointer. fprintf( stderr, "0x%px is dying\n", static_cast(reinterpret_cast(pthread_self()))); // Use volatile to prevent from these to be optimized away. volatile int a = 0; volatile int b = 1 / a; fprintf(stderr, "We should have died: b=%d\n", b); return NULL; } static void WriteToStdout(const char* data, size_t size) { if (write(STDOUT_FILENO, data, size) < 0) { // Ignore errors. } } int main(int argc, char **argv) { #if defined(HAVE_STACKTRACE) && defined(HAVE_SYMBOLIZE) InitGoogleLogging(argv[0]); #ifdef HAVE_LIB_GFLAGS ParseCommandLineFlags(&argc, &argv, true); #endif InstallFailureSignalHandler(); const std::string command = argc > 1 ? argv[1] : "none"; if (command == "segv") { // We'll check if this is outputted. LOG(INFO) << "create the log file"; LOG(INFO) << "a message before segv"; // We assume 0xDEAD is not writable. int *a = (int*)0xDEAD; *a = 0; } else if (command == "loop") { fprintf(stderr, "looping\n"); while (true); } else if (command == "die_in_thread") { #if defined(HAVE_PTHREAD) pthread_t thread; pthread_create(&thread, NULL, &DieInThread, NULL); pthread_join(thread, NULL); #else fprintf(stderr, "no pthread\n"); return 1; #endif } else if (command == "dump_to_stdout") { InstallFailureWriter(WriteToStdout); abort(); } else if (command == "installed") { fprintf(stderr, "signal handler installed: %s\n", IsFailureSignalHandlerInstalled() ? "true" : "false"); } else { // Tell the shell script puts("OK"); } #endif return 0; } glog-0.6.0/src/signalhandler_unittest.sh000077500000000000000000000102661422266545700203670ustar00rootroot00000000000000#! /bin/sh # # Copyright (c) 2008, Google Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Author: Satoru Takabayashi # # Unit tests for signalhandler.cc. die () { echo $1 exit 1 } BINDIR=".libs" LIBGLOG="$BINDIR/libglog.so" BINARY="$BINDIR/signalhandler_unittest" LOG_INFO="./signalhandler_unittest.INFO" # Remove temporary files. rm -f signalhandler.out* if test -e "$BINARY"; then # We need shared object. export LD_LIBRARY_PATH=$BINDIR export DYLD_LIBRARY_PATH=$BINDIR else # For windows BINARY="./signalhandler_unittest.exe" if ! test -e "$BINARY"; then echo "We coundn't find demangle_unittest binary." exit 1 fi fi if [ x`$BINARY` != 'xOK' ]; then echo "PASS (No stacktrace support. We don't run this test.)" exit 0 fi # The PC cannot be obtained in signal handlers on PowerPC correctly. # We just skip the test for PowerPC. if [ x`uname -p` = x"powerpc" ]; then echo "PASS (We don't test the signal handler on PowerPC.)" exit 0 fi # Test for a case the program kills itself by SIGSEGV. GOOGLE_LOG_DIR=. $BINARY segv 2> signalhandler.out1 for pattern in SIGSEGV 0xdead main "Aborted at [0-9]"; do if ! grep --quiet "$pattern" signalhandler.out1; then die "'$pattern' should appear in the output" fi done if ! grep --quiet "a message before segv" $LOG_INFO; then die "'a message before segv' should appear in the INFO log" fi rm -f $LOG_INFO # Test for a case the program is killed by this shell script. # $! = the process id of the last command run in the background. # $$ = the process id of this shell. $BINARY loop 2> signalhandler.out2 & # Wait until "looping" is written in the file. This indicates the program # is ready to accept signals. while true; do if grep --quiet looping signalhandler.out2; then break fi done kill -TERM $! wait $! from_pid='' # Only linux has the process ID of the signal sender. if [ x`uname` = "xLinux" ]; then from_pid="from PID $$" fi for pattern in SIGTERM "by PID $!" "$from_pid" main "Aborted at [0-9]"; do if ! grep --quiet "$pattern" signalhandler.out2; then die "'$pattern' should appear in the output" fi done # Test for a case the program dies in a non-main thread. $BINARY die_in_thread 2> signalhandler.out3 EXPECTED_TID="`sed 's/ .*//; q' signalhandler.out3`" for pattern in SIGFPE DieInThread "TID $EXPECTED_TID" "Aborted at [0-9]"; do if ! grep --quiet "$pattern" signalhandler.out3; then die "'$pattern' should appear in the output" fi done # Test for a case the program installs a custom failure writer that writes # stuff to stdout instead of stderr. $BINARY dump_to_stdout 1> signalhandler.out4 for pattern in SIGABRT main "Aborted at [0-9]"; do if ! grep --quiet "$pattern" signalhandler.out4; then die "'$pattern' should appear in the output" fi done echo PASS glog-0.6.0/src/stacktrace.h000066400000000000000000000044721422266545700155550ustar00rootroot00000000000000// Copyright (c) 2000 - 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Routines to extract the current stack trace. These functions are // thread-safe. #ifndef BASE_STACKTRACE_H_ #define BASE_STACKTRACE_H_ #include "config.h" #include _START_GOOGLE_NAMESPACE_ // This is similar to the GetStackFrames routine, except that it returns // the stack trace only, and not the stack frame sizes as well. // Example: // main() { foo(); } // foo() { bar(); } // bar() { // void* result[10]; // int depth = GetStackFrames(result, 10, 1); // } // // This produces: // result[0] foo // result[1] main // .... ... // // "result" must not be NULL. GLOG_EXPORT int GetStackTrace(void** result, int max_depth, int skip_count); _END_GOOGLE_NAMESPACE_ #endif // BASE_STACKTRACE_H_ glog-0.6.0/src/stacktrace_generic-inl.h000066400000000000000000000045771422266545700200370ustar00rootroot00000000000000// Copyright (c) 2000 - 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Portable implementation - just use glibc // // Note: The glibc implementation may cause a call to malloc. // This can cause a deadlock in HeapProfiler. #include #include #include "stacktrace.h" _START_GOOGLE_NAMESPACE_ // If you change this function, also change GetStackFrames below. int GetStackTrace(void** result, int max_depth, int skip_count) { static const int kStackLength = 64; void * stack[kStackLength]; int size; size = backtrace(stack, kStackLength); skip_count++; // we want to skip the current frame as well int result_count = size - skip_count; if (result_count < 0) { result_count = 0; } if (result_count > max_depth) { result_count = max_depth; } for (int i = 0; i < result_count; i++) { result[i] = stack[i + skip_count]; } return result_count; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/stacktrace_libunwind-inl.h000066400000000000000000000062241422266545700204050ustar00rootroot00000000000000// Copyright (c) 2005 - 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Arun Sharma // // Produce stack trace using libunwind #include "utilities.h" extern "C" { #define UNW_LOCAL_ONLY #include } #include #include "stacktrace.h" _START_GOOGLE_NAMESPACE_ // Sometimes, we can try to get a stack trace from within a stack // trace, because libunwind can call mmap (maybe indirectly via an // internal mmap based memory allocator), and that mmap gets trapped // and causes a stack-trace request. If were to try to honor that // recursive request, we'd end up with infinite recursion or deadlock. // Luckily, it's safe to ignore those subsequent traces. In such // cases, we return 0 to indicate the situation. // We can use the GCC __thread syntax here since libunwind is not supported on // Windows. static __thread bool g_tl_entered; // Initialized to false. // If you change this function, also change GetStackFrames below. int GetStackTrace(void** result, int max_depth, int skip_count) { void *ip; int n = 0; unw_cursor_t cursor; unw_context_t uc; if (g_tl_entered) { return 0; } g_tl_entered = true; unw_getcontext(&uc); RAW_CHECK(unw_init_local(&cursor, &uc) >= 0, "unw_init_local failed"); skip_count++; // Do not include the "GetStackTrace" frame while (n < max_depth) { int ret = unw_get_reg(&cursor, UNW_REG_IP, reinterpret_cast(&ip)); if (ret < 0) { break; } if (skip_count > 0) { skip_count--; } else { result[n++] = ip; } ret = unw_step(&cursor); if (ret <= 0) { break; } } g_tl_entered = false; return n; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/stacktrace_powerpc-inl.h000066400000000000000000000130541422266545700200700ustar00rootroot00000000000000// Copyright (c) 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Craig Silverstein // // Produce stack trace. I'm guessing (hoping!) the code is much like // for x86. For apple machines, at least, it seems to be; see // http://developer.apple.com/documentation/mac/runtimehtml/RTArch-59.html // http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK // Linux has similar code: http://patchwork.ozlabs.org/linuxppc/patch?id=8882 #include #include // for uintptr_t #include "stacktrace.h" _START_GOOGLE_NAMESPACE_ // Given a pointer to a stack frame, locate and return the calling // stackframe, or return NULL if no stackframe can be found. Perform sanity // checks (the strictness of which is controlled by the boolean parameter // "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned. template static void **NextStackFrame(void **old_sp) { void **new_sp = static_cast(*old_sp); // Check that the transition from frame pointer old_sp to frame // pointer new_sp isn't clearly bogus if (STRICT_UNWINDING) { // With the stack growing downwards, older stack frame must be // at a greater address that the current one. if (new_sp <= old_sp) return NULL; // Assume stack frames larger than 100,000 bytes are bogus. if ((uintptr_t)new_sp - (uintptr_t)old_sp > 100000) return NULL; } else { // In the non-strict mode, allow discontiguous stack frames. // (alternate-signal-stacks for example). if (new_sp == old_sp) return NULL; // And allow frames upto about 1MB. if ((new_sp > old_sp) && ((uintptr_t)new_sp - (uintptr_t)old_sp > 1000000)) return NULL; } if ((uintptr_t)new_sp & (sizeof(void *) - 1)) return NULL; return new_sp; } // This ensures that GetStackTrace stes up the Link Register properly. void StacktracePowerPCDummyFunction() __attribute__((noinline)); void StacktracePowerPCDummyFunction() { __asm__ volatile(""); } // If you change this function, also change GetStackFrames below. int GetStackTrace(void** result, int max_depth, int skip_count) { void **sp; // Apple OS X uses an old version of gnu as -- both Darwin 7.9.0 (Panther) // and Darwin 8.8.1 (Tiger) use as 1.38. This means we have to use a // different asm syntax. I don't know quite the best way to discriminate // systems using the old as from the new one; I've gone with __APPLE__. #ifdef __APPLE__ __asm__ volatile ("mr %0,r1" : "=r" (sp)); #else __asm__ volatile ("mr %0,1" : "=r" (sp)); #endif // On PowerPC, the "Link Register" or "Link Record" (LR), is a stack // entry that holds the return address of the subroutine call (what // instruction we run after our function finishes). This is the // same as the stack-pointer of our parent routine, which is what we // want here. While the compiler will always(?) set up LR for // subroutine calls, it may not for leaf functions (such as this one). // This routine forces the compiler (at least gcc) to push it anyway. StacktracePowerPCDummyFunction(); // The LR save area is used by the callee, so the top entry is bogus. skip_count++; int n = 0; while (sp && n < max_depth) { if (skip_count > 0) { skip_count--; } else { // PowerPC has 3 main ABIs, which say where in the stack the // Link Register is. For DARWIN and AIX (used by apple and // linux ppc64), it's in sp[2]. For SYSV (used by linux ppc), // it's in sp[1]. #if defined(_CALL_AIX) || defined(_CALL_DARWIN) result[n++] = *(sp+2); #elif defined(_CALL_SYSV) result[n++] = *(sp+1); #elif defined(__APPLE__) || ((defined(__linux) || defined(__linux__)) && defined(__PPC64__)) // This check is in case the compiler doesn't define _CALL_AIX/etc. result[n++] = *(sp+2); #elif defined(__linux) || defined(__OpenBSD__) // This check is in case the compiler doesn't define _CALL_SYSV. result[n++] = *(sp+1); #else #error Need to specify the PPC ABI for your archiecture. #endif } // Use strict unwinding rules. sp = NextStackFrame(sp); } return n; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/stacktrace_unittest.cc000066400000000000000000000211111422266545700176370ustar00rootroot00000000000000// Copyright (c) 2004, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "utilities.h" #include #include #include "config.h" #include "base/commandlineflags.h" #include #include "stacktrace.h" #ifdef HAVE_EXECINFO_H # include #endif using namespace GOOGLE_NAMESPACE; #ifdef HAVE_STACKTRACE // Obtain a backtrace, verify that the expected callers are present in the // backtrace, and maybe print the backtrace to stdout. // The sequence of functions whose return addresses we expect to see in the // backtrace. const int BACKTRACE_STEPS = 6; struct AddressRange { const void *start, *end; }; // Expected function [start,end] range. AddressRange expected_range[BACKTRACE_STEPS]; #if __GNUC__ // Using GCC extension: address of a label can be taken with '&&label'. // Start should be a label somewhere before recursive call, end somewhere // after it. #define INIT_ADDRESS_RANGE(fn, start_label, end_label, prange) \ do { \ (prange)->start = &&start_label; \ (prange)->end = &&end_label; \ CHECK_LT((prange)->start, (prange)->end); \ } while (0) // This macro expands into "unmovable" code (opaque to GCC), and that // prevents GCC from moving a_label up or down in the code. // Without it, there is no code following the 'end' label, and GCC // (4.3.1, 4.4.0) thinks it safe to assign &&end an address that is before // the recursive call. #define DECLARE_ADDRESS_LABEL(a_label) \ a_label: do { __asm__ __volatile__(""); } while (0) // Gcc 4.4.0 may split function into multiple chunks, and the chunk // performing recursive call may end up later in the code then the return // instruction (this actually happens with FDO). // Adjust function range from __builtin_return_address. #define ADJUST_ADDRESS_RANGE_FROM_RA(prange) \ do { \ void *ra = __builtin_return_address(0); \ CHECK_LT((prange)->start, ra); \ if (ra > (prange)->end) { \ printf("Adjusting range from %p..%p to %p..%p\n", \ (prange)->start, (prange)->end, \ (prange)->start, ra); \ (prange)->end = ra; \ } \ } while (0) #else // Assume the Check* functions below are not longer than 256 bytes. #define INIT_ADDRESS_RANGE(fn, start_label, end_label, prange) \ do { \ (prange)->start = reinterpret_cast(&fn); \ (prange)->end = reinterpret_cast(&fn) + 256; \ } while (0) #define DECLARE_ADDRESS_LABEL(a_label) do { } while (0) #define ADJUST_ADDRESS_RANGE_FROM_RA(prange) do { } while (0) #endif // __GNUC__ //-----------------------------------------------------------------------// static void CheckRetAddrIsInFunction(void *ret_addr, const AddressRange &range) { CHECK_GE(ret_addr, range.start); CHECK_LE(ret_addr, range.end); } //-----------------------------------------------------------------------// #if defined(__clang__) #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wgnu-label-as-value" #endif void ATTRIBUTE_NOINLINE CheckStackTrace(int); static void ATTRIBUTE_NOINLINE CheckStackTraceLeaf(void) { const int STACK_LEN = 10; void *stack[STACK_LEN]; int size; ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[1]); INIT_ADDRESS_RANGE(CheckStackTraceLeaf, start, end, &expected_range[0]); DECLARE_ADDRESS_LABEL(start); size = GetStackTrace(stack, STACK_LEN, 0); printf("Obtained %d stack frames.\n", size); CHECK_GE(size, 1); CHECK_LE(size, STACK_LEN); if (1) { #ifdef HAVE_EXECINFO_H char **strings = backtrace_symbols(stack, size); printf("Obtained %d stack frames.\n", size); for (int i = 0; i < size; i++) { printf("%s %p\n", strings[i], stack[i]); } union { void (*p1)(int); void* p2; } p = {&CheckStackTrace}; printf("CheckStackTrace() addr: %p\n", p.p2); free(strings); #endif } for (int i = 0; i < BACKTRACE_STEPS; i++) { printf("Backtrace %d: expected: %p..%p actual: %p ... ", i, expected_range[i].start, expected_range[i].end, stack[i]); fflush(stdout); CheckRetAddrIsInFunction(stack[i], expected_range[i]); printf("OK\n"); } DECLARE_ADDRESS_LABEL(end); } //-----------------------------------------------------------------------// /* Dummy functions to make the backtrace more interesting. */ static void ATTRIBUTE_NOINLINE CheckStackTrace4(int i) { ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[2]); INIT_ADDRESS_RANGE(CheckStackTrace4, start, end, &expected_range[1]); DECLARE_ADDRESS_LABEL(start); for (int j = i; j >= 0; j--) { CheckStackTraceLeaf(); } DECLARE_ADDRESS_LABEL(end); } static void ATTRIBUTE_NOINLINE CheckStackTrace3(int i) { ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[3]); INIT_ADDRESS_RANGE(CheckStackTrace3, start, end, &expected_range[2]); DECLARE_ADDRESS_LABEL(start); for (int j = i; j >= 0; j--) { CheckStackTrace4(j); } DECLARE_ADDRESS_LABEL(end); } static void ATTRIBUTE_NOINLINE CheckStackTrace2(int i) { ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[4]); INIT_ADDRESS_RANGE(CheckStackTrace2, start, end, &expected_range[3]); DECLARE_ADDRESS_LABEL(start); for (int j = i; j >= 0; j--) { CheckStackTrace3(j); } DECLARE_ADDRESS_LABEL(end); } static void ATTRIBUTE_NOINLINE CheckStackTrace1(int i) { ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[5]); INIT_ADDRESS_RANGE(CheckStackTrace1, start, end, &expected_range[4]); DECLARE_ADDRESS_LABEL(start); for (int j = i; j >= 0; j--) { CheckStackTrace2(j); } DECLARE_ADDRESS_LABEL(end); } #ifndef __GNUC__ // On non-GNU environment, we use the address of `CheckStackTrace` to // guess the address range of this function. This guess is wrong for // non-static function on Windows. This is probably because // `&CheckStackTrace` returns the address of a trampoline like PLT, // not the actual address of `CheckStackTrace`. // See https://github.com/google/glog/issues/421 for the detail. static #endif void ATTRIBUTE_NOINLINE CheckStackTrace(int i) { INIT_ADDRESS_RANGE(CheckStackTrace, start, end, &expected_range[5]); DECLARE_ADDRESS_LABEL(start); for (int j = i; j >= 0; j--) { CheckStackTrace1(j); } DECLARE_ADDRESS_LABEL(end); } #if defined(__clang__) #pragma clang diagnostic pop #endif //-----------------------------------------------------------------------// int main(int, char ** argv) { FLAGS_logtostderr = true; InitGoogleLogging(argv[0]); CheckStackTrace(0); printf("PASS\n"); return 0; } #else int main() { printf("PASS (no stacktrace support)\n"); return 0; } #endif // HAVE_STACKTRACE glog-0.6.0/src/stacktrace_unwind-inl.h000066400000000000000000000063501422266545700177160ustar00rootroot00000000000000// Copyright (c) 2005 - 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Arun Sharma // // Produce stack trace using libgcc #include // for NULL #include // ABI defined unwinder #include "stacktrace.h" _START_GOOGLE_NAMESPACE_ typedef struct { void **result; int max_depth; int skip_count; int count; } trace_arg_t; // Workaround for the malloc() in _Unwind_Backtrace() issue. static _Unwind_Reason_Code nop_backtrace(struct _Unwind_Context */*uc*/, void */*opq*/) { return _URC_NO_REASON; } // This code is not considered ready to run until // static initializers run so that we are guaranteed // that any malloc-related initialization is done. static bool ready_to_run = false; class StackTraceInit { public: StackTraceInit() { // Extra call to force initialization _Unwind_Backtrace(nop_backtrace, NULL); ready_to_run = true; } }; static StackTraceInit module_initializer; // Force initialization static _Unwind_Reason_Code GetOneFrame(struct _Unwind_Context *uc, void *opq) { trace_arg_t *targ = static_cast(opq); if (targ->skip_count > 0) { targ->skip_count--; } else { targ->result[targ->count++] = (void *) _Unwind_GetIP(uc); } if (targ->count == targ->max_depth) { return _URC_END_OF_STACK; } return _URC_NO_REASON; } // If you change this function, also change GetStackFrames below. int GetStackTrace(void** result, int max_depth, int skip_count) { if (!ready_to_run) { return 0; } trace_arg_t targ; skip_count += 1; // Do not include the "GetStackTrace" frame targ.result = result; targ.max_depth = max_depth; targ.skip_count = skip_count; targ.count = 0; _Unwind_Backtrace(GetOneFrame, &targ); return targ.count; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/stacktrace_windows-inl.h000066400000000000000000000041601422266545700201010ustar00rootroot00000000000000// Copyright (c) 2000 - 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Andrew Schwartzmeyer // // Windows implementation - just use CaptureStackBackTrace #include "config.h" #include "port.h" #include "stacktrace.h" #include _START_GOOGLE_NAMESPACE_ int GetStackTrace(void** result, int max_depth, int skip_count) { if (max_depth > 64) { max_depth = 64; } skip_count++; // we want to skip the current frame as well // This API is thread-safe (moreover it walks only the current thread). return CaptureStackBackTrace(static_cast(skip_count), static_cast(max_depth), result, NULL); } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/stacktrace_x86-inl.h000066400000000000000000000130011422266545700170260ustar00rootroot00000000000000// Copyright (c) 2000 - 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Produce stack trace #include // for uintptr_t #include "utilities.h" // for OS_* macros #if !defined(GLOG_OS_WINDOWS) #include #include #endif #include // for NULL #include "stacktrace.h" _START_GOOGLE_NAMESPACE_ // Given a pointer to a stack frame, locate and return the calling // stackframe, or return NULL if no stackframe can be found. Perform sanity // checks (the strictness of which is controlled by the boolean parameter // "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned. template static void **NextStackFrame(void **old_sp) { void **new_sp = static_cast(*old_sp); // Check that the transition from frame pointer old_sp to frame // pointer new_sp isn't clearly bogus if (STRICT_UNWINDING) { // With the stack growing downwards, older stack frame must be // at a greater address that the current one. if (new_sp <= old_sp) return NULL; // Assume stack frames larger than 100,000 bytes are bogus. if ((uintptr_t)new_sp - (uintptr_t)old_sp > 100000) return NULL; } else { // In the non-strict mode, allow discontiguous stack frames. // (alternate-signal-stacks for example). if (new_sp == old_sp) return NULL; // And allow frames upto about 1MB. if ((new_sp > old_sp) && ((uintptr_t)new_sp - (uintptr_t)old_sp > 1000000)) return NULL; } if ((uintptr_t)new_sp & (sizeof(void *) - 1)) return NULL; #ifdef __i386__ // On 64-bit machines, the stack pointer can be very close to // 0xffffffff, so we explicitly check for a pointer into the // last two pages in the address space if ((uintptr_t)new_sp >= 0xffffe000) return NULL; #endif #if !defined(GLOG_OS_WINDOWS) if (!STRICT_UNWINDING) { // Lax sanity checks cause a crash in 32-bit tcmalloc/crash_reason_test // on AMD-based machines with VDSO-enabled kernels. // Make an extra sanity check to insure new_sp is readable. // Note: NextStackFrame() is only called while the program // is already on its last leg, so it's ok to be slow here. static int page_size = getpagesize(); void *new_sp_aligned = (void *)((uintptr_t)new_sp & ~(page_size - 1)); if (msync(new_sp_aligned, page_size, MS_ASYNC) == -1) { return NULL; } } #endif return new_sp; } // If you change this function, also change GetStackFrames below. int GetStackTrace(void** result, int max_depth, int skip_count) { void **sp; #ifdef __GNUC__ #if __GNUC__ * 100 + __GNUC_MINOR__ >= 402 #define USE_BUILTIN_FRAME_ADDRESS #endif #endif #ifdef USE_BUILTIN_FRAME_ADDRESS sp = reinterpret_cast(__builtin_frame_address(0)); #elif defined(__i386__) // Stack frame format: // sp[0] pointer to previous frame // sp[1] caller address // sp[2] first argument // ... sp = (void **)&result - 2; #elif defined(__x86_64__) // __builtin_frame_address(0) can return the wrong address on gcc-4.1.0-k8 unsigned long rbp; // Move the value of the register %rbp into the local variable rbp. // We need 'volatile' to prevent this instruction from getting moved // around during optimization to before function prologue is done. // An alternative way to achieve this // would be (before this __asm__ instruction) to call Noop() defined as // static void Noop() __attribute__ ((noinline)); // prevent inlining // static void Noop() { asm(""); } // prevent optimizing-away __asm__ volatile ("mov %%rbp, %0" : "=r" (rbp)); // Arguments are passed in registers on x86-64, so we can't just // offset from &result sp = (void **) rbp; #endif int n = 0; while (sp && n < max_depth) { if (*(sp+1) == (void *)0) { // In 64-bit code, we often see a frame that // points to itself and has a return address of 0. break; } if (skip_count > 0) { skip_count--; } else { result[n++] = *(sp+1); } // Use strict unwinding rules. sp = NextStackFrame(sp); } return n; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/stl_logging_unittest.cc000066400000000000000000000135171422266545700200360ustar00rootroot00000000000000// Copyright (c) 2003, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "config.h" #ifdef HAVE_USING_OPERATOR #include #include #include #include #include #include #ifdef __GNUC__ // C++0x isn't enabled by default in GCC and libc++ does not have // non-standard ext/* and tr1/unordered_*. # if defined(_LIBCPP_VERSION) # ifndef GLOG_STL_LOGGING_FOR_UNORDERED # define GLOG_STL_LOGGING_FOR_UNORDERED # endif # else # ifndef GLOG_STL_LOGGING_FOR_EXT_HASH # define GLOG_STL_LOGGING_FOR_EXT_HASH # endif # ifndef GLOG_STL_LOGGING_FOR_EXT_SLIST # define GLOG_STL_LOGGING_FOR_EXT_SLIST # endif # ifndef GLOG_STL_LOGGING_FOR_TR1_UNORDERED # define GLOG_STL_LOGGING_FOR_TR1_UNORDERED # endif # endif #endif #include #include #include "googletest.h" using namespace std; #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH using namespace __gnu_cxx; #endif struct user_hash { size_t operator()(int x) const { return static_cast(x); } }; static void TestSTLLogging() { { // Test a sequence. vector v; v.push_back(10); v.push_back(20); v.push_back(30); ostringstream ss; ss << v; EXPECT_EQ(ss.str(), "10 20 30"); vector copied_v(v); CHECK_EQ(v, copied_v); // This must compile. } { // Test a sorted pair associative container. map< int, string > m; m[20] = "twenty"; m[10] = "ten"; m[30] = "thirty"; ostringstream ss; ss << m; EXPECT_EQ(ss.str(), "(10, ten) (20, twenty) (30, thirty)"); map< int, string > copied_m(m); CHECK_EQ(m, copied_m); // This must compile. } #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH { // Test a hashed simple associative container. hash_set hs; hs.insert(10); hs.insert(20); hs.insert(30); ostringstream ss; ss << hs; EXPECT_EQ(ss.str().size(), 8); EXPECT_TRUE(ss.str().find("10") != string::npos); EXPECT_TRUE(ss.str().find("20") != string::npos); EXPECT_TRUE(ss.str().find("30") != string::npos); hash_set copied_hs(hs); CHECK_EQ(hs, copied_hs); // This must compile. } #endif #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH { // Test a hashed pair associative container. hash_map hm; hm[10] = "ten"; hm[20] = "twenty"; hm[30] = "thirty"; ostringstream ss; ss << hm; EXPECT_EQ(ss.str().size(), 35); EXPECT_TRUE(ss.str().find("(10, ten)") != string::npos); EXPECT_TRUE(ss.str().find("(20, twenty)") != string::npos); EXPECT_TRUE(ss.str().find("(30, thirty)") != string::npos); hash_map copied_hm(hm); CHECK_EQ(hm, copied_hm); // this must compile } #endif { // Test a long sequence. vector v; string expected; for (int i = 0; i < 100; i++) { v.push_back(i); if (i > 0) expected += ' '; const size_t buf_size = 256; char buf[buf_size]; snprintf(buf, buf_size, "%d", i); expected += buf; } v.push_back(100); expected += " ..."; ostringstream ss; ss << v; CHECK_EQ(ss.str(), expected.c_str()); } { // Test a sorted pair associative container. // Use a non-default comparison functor. map< int, string, greater > m; m[20] = "twenty"; m[10] = "ten"; m[30] = "thirty"; ostringstream ss; ss << m; EXPECT_EQ(ss.str(), "(30, thirty) (20, twenty) (10, ten)"); map< int, string, greater > copied_m(m); CHECK_EQ(m, copied_m); // This must compile. } #ifdef GLOG_STL_LOGGING_FOR_EXT_HASH { // Test a hashed simple associative container. // Use a user defined hash function. hash_set hs; hs.insert(10); hs.insert(20); hs.insert(30); ostringstream ss; ss << hs; EXPECT_EQ(ss.str().size(), 8); EXPECT_TRUE(ss.str().find("10") != string::npos); EXPECT_TRUE(ss.str().find("20") != string::npos); EXPECT_TRUE(ss.str().find("30") != string::npos); hash_set copied_hs(hs); CHECK_EQ(hs, copied_hs); // This must compile. } #endif } int main(int, char**) { TestSTLLogging(); std::cout << "PASS\n"; return 0; } #else #include int main(int, char**) { std::cout << "We don't support stl_logging for this compiler.\n" << "(we need compiler support of 'using ::operator<<' " << "for this feature.)\n"; return 0; } #endif // HAVE_USING_OPERATOR glog-0.6.0/src/symbolize.cc000066400000000000000000001000671422266545700156010ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // Stack-footprint reduction work done by Raksit Ashok // // Implementation note: // // We don't use heaps but only use stacks. We want to reduce the // stack consumption so that the symbolizer can run on small stacks. // // Here are some numbers collected with GCC 4.1.0 on x86: // - sizeof(Elf32_Sym) = 16 // - sizeof(Elf32_Shdr) = 40 // - sizeof(Elf64_Sym) = 24 // - sizeof(Elf64_Shdr) = 64 // // This implementation is intended to be async-signal-safe but uses // some functions which are not guaranteed to be so, such as memchr() // and memmove(). We assume they are async-signal-safe. // // Additional header can be specified by the GLOG_BUILD_CONFIG_INCLUDE // macro to add platform specific defines (e.g. GLOG_OS_OPENBSD). #ifdef GLOG_BUILD_CONFIG_INCLUDE #include GLOG_BUILD_CONFIG_INCLUDE #endif // GLOG_BUILD_CONFIG_INCLUDE #include "utilities.h" #if defined(HAVE_SYMBOLIZE) #include #include #include #include "symbolize.h" #include "demangle.h" _START_GOOGLE_NAMESPACE_ // We don't use assert() since it's not guaranteed to be // async-signal-safe. Instead we define a minimal assertion // macro. So far, we don't need pretty printing for __FILE__, etc. // A wrapper for abort() to make it callable in ? :. static int AssertFail() { abort(); return 0; // Should not reach. } #define SAFE_ASSERT(expr) ((expr) ? 0 : AssertFail()) static SymbolizeCallback g_symbolize_callback = NULL; void InstallSymbolizeCallback(SymbolizeCallback callback) { g_symbolize_callback = callback; } static SymbolizeOpenObjectFileCallback g_symbolize_open_object_file_callback = NULL; void InstallSymbolizeOpenObjectFileCallback( SymbolizeOpenObjectFileCallback callback) { g_symbolize_open_object_file_callback = callback; } // This function wraps the Demangle function to provide an interface // where the input symbol is demangled in-place. // To keep stack consumption low, we would like this function to not // get inlined. static ATTRIBUTE_NOINLINE void DemangleInplace(char *out, int out_size) { char demangled[256]; // Big enough for sane demangled symbols. if (Demangle(out, demangled, sizeof(demangled))) { // Demangling succeeded. Copy to out if the space allows. size_t len = strlen(demangled); if (len + 1 <= static_cast(out_size)) { // +1 for '\0'. SAFE_ASSERT(len < sizeof(demangled)); memmove(out, demangled, len + 1); } } } _END_GOOGLE_NAMESPACE_ #if defined(__ELF__) #if defined(HAVE_DLFCN_H) #include #endif #if defined(GLOG_OS_OPENBSD) #include #else #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "symbolize.h" #include "config.h" #include // Re-runs fn until it doesn't cause EINTR. #define NO_INTR(fn) do {} while ((fn) < 0 && errno == EINTR) _START_GOOGLE_NAMESPACE_ // Read up to "count" bytes from "offset" in the file pointed by file // descriptor "fd" into the buffer starting at "buf" while handling short reads // and EINTR. On success, return the number of bytes read. Otherwise, return // -1. static ssize_t ReadFromOffset(const int fd, void *buf, const size_t count, const size_t offset) { SAFE_ASSERT(fd >= 0); SAFE_ASSERT(count <= static_cast(std::numeric_limits::max())); char *buf0 = reinterpret_cast(buf); size_t num_bytes = 0; while (num_bytes < count) { ssize_t len; NO_INTR(len = pread(fd, buf0 + num_bytes, count - num_bytes, static_cast(offset + num_bytes))); if (len < 0) { // There was an error other than EINTR. return -1; } if (len == 0) { // Reached EOF. break; } num_bytes += static_cast(len); } SAFE_ASSERT(num_bytes <= count); return static_cast(num_bytes); } // Try reading exactly "count" bytes from "offset" bytes in a file // pointed by "fd" into the buffer starting at "buf" while handling // short reads and EINTR. On success, return true. Otherwise, return // false. static bool ReadFromOffsetExact(const int fd, void *buf, const size_t count, const size_t offset) { ssize_t len = ReadFromOffset(fd, buf, count, offset); return static_cast(len) == count; } // Returns elf_header.e_type if the file pointed by fd is an ELF binary. static int FileGetElfType(const int fd) { ElfW(Ehdr) elf_header; if (!ReadFromOffsetExact(fd, &elf_header, sizeof(elf_header), 0)) { return -1; } if (memcmp(elf_header.e_ident, ELFMAG, SELFMAG) != 0) { return -1; } return elf_header.e_type; } // Read the section headers in the given ELF binary, and if a section // of the specified type is found, set the output to this section header // and return true. Otherwise, return false. // To keep stack consumption low, we would like this function to not get // inlined. static ATTRIBUTE_NOINLINE bool GetSectionHeaderByType(const int fd, ElfW(Half) sh_num, const size_t sh_offset, ElfW(Word) type, ElfW(Shdr) *out) { // Read at most 16 section headers at a time to save read calls. ElfW(Shdr) buf[16]; for (size_t i = 0; i < sh_num;) { const size_t num_bytes_left = (sh_num - i) * sizeof(buf[0]); const size_t num_bytes_to_read = (sizeof(buf) > num_bytes_left) ? num_bytes_left : sizeof(buf); const ssize_t len = ReadFromOffset(fd, buf, num_bytes_to_read, sh_offset + i * sizeof(buf[0])); if (len == -1) { return false; } SAFE_ASSERT(static_cast(len) % sizeof(buf[0]) == 0); const size_t num_headers_in_buf = static_cast(len) / sizeof(buf[0]); SAFE_ASSERT(num_headers_in_buf <= sizeof(buf) / sizeof(buf[0])); for (size_t j = 0; j < num_headers_in_buf; ++j) { if (buf[j].sh_type == type) { *out = buf[j]; return true; } } i += num_headers_in_buf; } return false; } // There is no particular reason to limit section name to 63 characters, // but there has (as yet) been no need for anything longer either. const int kMaxSectionNameLen = 64; // name_len should include terminating '\0'. bool GetSectionHeaderByName(int fd, const char *name, size_t name_len, ElfW(Shdr) *out) { ElfW(Ehdr) elf_header; if (!ReadFromOffsetExact(fd, &elf_header, sizeof(elf_header), 0)) { return false; } ElfW(Shdr) shstrtab; size_t shstrtab_offset = (elf_header.e_shoff + static_cast(elf_header.e_shentsize) * static_cast(elf_header.e_shstrndx)); if (!ReadFromOffsetExact(fd, &shstrtab, sizeof(shstrtab), shstrtab_offset)) { return false; } for (size_t i = 0; i < elf_header.e_shnum; ++i) { size_t section_header_offset = (elf_header.e_shoff + elf_header.e_shentsize * i); if (!ReadFromOffsetExact(fd, out, sizeof(*out), section_header_offset)) { return false; } char header_name[kMaxSectionNameLen]; if (sizeof(header_name) < name_len) { RAW_LOG(WARNING, "Section name '%s' is too long (%" PRIuS "); " "section will not be found (even if present).", name, name_len); // No point in even trying. return false; } size_t name_offset = shstrtab.sh_offset + out->sh_name; ssize_t n_read = ReadFromOffset(fd, &header_name, name_len, name_offset); if (n_read == -1) { return false; } else if (static_cast(n_read) != name_len) { // Short read -- name could be at end of file. continue; } if (memcmp(header_name, name, name_len) == 0) { return true; } } return false; } // Read a symbol table and look for the symbol containing the // pc. Iterate over symbols in a symbol table and look for the symbol // containing "pc". On success, return true and write the symbol name // to out. Otherwise, return false. // To keep stack consumption low, we would like this function to not get // inlined. static ATTRIBUTE_NOINLINE bool FindSymbol(uint64_t pc, const int fd, char *out, size_t out_size, uint64_t symbol_offset, const ElfW(Shdr) *strtab, const ElfW(Shdr) *symtab) { if (symtab == NULL) { return false; } const size_t num_symbols = symtab->sh_size / symtab->sh_entsize; for (unsigned i = 0; i < num_symbols;) { size_t offset = symtab->sh_offset + i * symtab->sh_entsize; // If we are reading Elf64_Sym's, we want to limit this array to // 32 elements (to keep stack consumption low), otherwise we can // have a 64 element Elf32_Sym array. #if defined(__WORDSIZE) && __WORDSIZE == 64 const size_t NUM_SYMBOLS = 32U; #else const size_t NUM_SYMBOLS = 64U; #endif // Read at most NUM_SYMBOLS symbols at once to save read() calls. ElfW(Sym) buf[NUM_SYMBOLS]; size_t num_symbols_to_read = std::min(NUM_SYMBOLS, num_symbols - i); const ssize_t len = ReadFromOffset(fd, &buf, sizeof(buf[0]) * num_symbols_to_read, offset); SAFE_ASSERT(static_cast(len) % sizeof(buf[0]) == 0); const size_t num_symbols_in_buf = static_cast(len) / sizeof(buf[0]); SAFE_ASSERT(num_symbols_in_buf <= num_symbols_to_read); for (unsigned j = 0; j < num_symbols_in_buf; ++j) { const ElfW(Sym)& symbol = buf[j]; uint64_t start_address = symbol.st_value; start_address += symbol_offset; uint64_t end_address = start_address + symbol.st_size; if (symbol.st_value != 0 && // Skip null value symbols. symbol.st_shndx != 0 && // Skip undefined symbols. start_address <= pc && pc < end_address) { ssize_t len1 = ReadFromOffset(fd, out, out_size, strtab->sh_offset + symbol.st_name); if (len1 <= 0 || memchr(out, '\0', out_size) == NULL) { memset(out, 0, out_size); return false; } return true; // Obtained the symbol name. } } i += num_symbols_in_buf; } return false; } // Get the symbol name of "pc" from the file pointed by "fd". Process // both regular and dynamic symbol tables if necessary. On success, // write the symbol name to "out" and return true. Otherwise, return // false. static bool GetSymbolFromObjectFile(const int fd, uint64_t pc, char* out, size_t out_size, uint64_t base_address) { // Read the ELF header. ElfW(Ehdr) elf_header; if (!ReadFromOffsetExact(fd, &elf_header, sizeof(elf_header), 0)) { return false; } ElfW(Shdr) symtab, strtab; // Consult a regular symbol table first. if (GetSectionHeaderByType(fd, elf_header.e_shnum, elf_header.e_shoff, SHT_SYMTAB, &symtab)) { if (!ReadFromOffsetExact(fd, &strtab, sizeof(strtab), elf_header.e_shoff + symtab.sh_link * sizeof(symtab))) { return false; } if (FindSymbol(pc, fd, out, out_size, base_address, &strtab, &symtab)) { return true; // Found the symbol in a regular symbol table. } } // If the symbol is not found, then consult a dynamic symbol table. if (GetSectionHeaderByType(fd, elf_header.e_shnum, elf_header.e_shoff, SHT_DYNSYM, &symtab)) { if (!ReadFromOffsetExact(fd, &strtab, sizeof(strtab), elf_header.e_shoff + symtab.sh_link * sizeof(symtab))) { return false; } if (FindSymbol(pc, fd, out, out_size, base_address, &strtab, &symtab)) { return true; // Found the symbol in a dynamic symbol table. } } return false; } namespace { // Thin wrapper around a file descriptor so that the file descriptor // gets closed for sure. struct FileDescriptor { const int fd_; explicit FileDescriptor(int fd) : fd_(fd) {} ~FileDescriptor() { if (fd_ >= 0) { close(fd_); } } int get() { return fd_; } private: FileDescriptor(const FileDescriptor &); void operator=(const FileDescriptor&); }; // Helper class for reading lines from file. // // Note: we don't use ProcMapsIterator since the object is big (it has // a 5k array member) and uses async-unsafe functions such as sscanf() // and snprintf(). class LineReader { public: explicit LineReader(int fd, char *buf, size_t buf_len, size_t offset) : fd_(fd), buf_(buf), buf_len_(buf_len), offset_(offset), bol_(buf), eol_(buf), eod_(buf) {} // Read '\n'-terminated line from file. On success, modify "bol" // and "eol", then return true. Otherwise, return false. // // Note: if the last line doesn't end with '\n', the line will be // dropped. It's an intentional behavior to make the code simple. bool ReadLine(const char **bol, const char **eol) { if (BufferIsEmpty()) { // First time. const ssize_t num_bytes = ReadFromOffset(fd_, buf_, buf_len_, offset_); if (num_bytes <= 0) { // EOF or error. return false; } offset_ += static_cast(num_bytes); eod_ = buf_ + num_bytes; bol_ = buf_; } else { bol_ = eol_ + 1; // Advance to the next line in the buffer. SAFE_ASSERT(bol_ <= eod_); // "bol_" can point to "eod_". if (!HasCompleteLine()) { const size_t incomplete_line_length = static_cast(eod_ - bol_); // Move the trailing incomplete line to the beginning. memmove(buf_, bol_, incomplete_line_length); // Read text from file and append it. char * const append_pos = buf_ + incomplete_line_length; const size_t capacity_left = buf_len_ - incomplete_line_length; const ssize_t num_bytes = ReadFromOffset(fd_, append_pos, capacity_left, offset_); if (num_bytes <= 0) { // EOF or error. return false; } offset_ += static_cast(num_bytes); eod_ = append_pos + num_bytes; bol_ = buf_; } } eol_ = FindLineFeed(); if (eol_ == NULL) { // '\n' not found. Malformed line. return false; } *eol_ = '\0'; // Replace '\n' with '\0'. *bol = bol_; *eol = eol_; return true; } // Beginning of line. const char *bol() { return bol_; } // End of line. const char *eol() { return eol_; } private: LineReader(const LineReader &); void operator=(const LineReader&); char *FindLineFeed() { return reinterpret_cast(memchr(bol_, '\n', static_cast(eod_ - bol_))); } bool BufferIsEmpty() { return buf_ == eod_; } bool HasCompleteLine() { return !BufferIsEmpty() && FindLineFeed() != NULL; } const int fd_; char * const buf_; const size_t buf_len_; size_t offset_; char *bol_; char *eol_; const char *eod_; // End of data in "buf_". }; } // namespace // Place the hex number read from "start" into "*hex". The pointer to // the first non-hex character or "end" is returned. static char *GetHex(const char *start, const char *end, uint64_t *hex) { *hex = 0; const char *p; for (p = start; p < end; ++p) { int ch = *p; if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f')) { *hex = (*hex << 4U) | (ch < 'A' ? static_cast(ch - '0') : (ch & 0xF) + 9U); } else { // Encountered the first non-hex character. break; } } SAFE_ASSERT(p <= end); return const_cast(p); } // Searches for the object file (from /proc/self/maps) that contains // the specified pc. If found, sets |start_address| to the start address // of where this object file is mapped in memory, sets the module base // address into |base_address|, copies the object file name into // |out_file_name|, and attempts to open the object file. If the object // file is opened successfully, returns the file descriptor. Otherwise, // returns -1. |out_file_name_size| is the size of the file name buffer // (including the null-terminator). static ATTRIBUTE_NOINLINE int OpenObjectFileContainingPcAndGetStartAddress(uint64_t pc, uint64_t &start_address, uint64_t &base_address, char *out_file_name, size_t out_file_name_size) { int object_fd; int maps_fd; NO_INTR(maps_fd = open("/proc/self/maps", O_RDONLY)); FileDescriptor wrapped_maps_fd(maps_fd); if (wrapped_maps_fd.get() < 0) { return -1; } int mem_fd; NO_INTR(mem_fd = open("/proc/self/mem", O_RDONLY)); FileDescriptor wrapped_mem_fd(mem_fd); if (wrapped_mem_fd.get() < 0) { return -1; } // Iterate over maps and look for the map containing the pc. Then // look into the symbol tables inside. char buf[1024]; // Big enough for line of sane /proc/self/maps unsigned num_maps = 0; LineReader reader(wrapped_maps_fd.get(), buf, sizeof(buf), 0); while (true) { num_maps++; const char *cursor; const char *eol; if (!reader.ReadLine(&cursor, &eol)) { // EOF or malformed line. return -1; } // Start parsing line in /proc/self/maps. Here is an example: // // 08048000-0804c000 r-xp 00000000 08:01 2142121 /bin/cat // // We want start address (08048000), end address (0804c000), flags // (r-xp) and file name (/bin/cat). // Read start address. cursor = GetHex(cursor, eol, &start_address); if (cursor == eol || *cursor != '-') { return -1; // Malformed line. } ++cursor; // Skip '-'. // Read end address. uint64_t end_address; cursor = GetHex(cursor, eol, &end_address); if (cursor == eol || *cursor != ' ') { return -1; // Malformed line. } ++cursor; // Skip ' '. // Read flags. Skip flags until we encounter a space or eol. const char * const flags_start = cursor; while (cursor < eol && *cursor != ' ') { ++cursor; } // We expect at least four letters for flags (ex. "r-xp"). if (cursor == eol || cursor < flags_start + 4) { return -1; // Malformed line. } // Determine the base address by reading ELF headers in process memory. ElfW(Ehdr) ehdr; // Skip non-readable maps. if (flags_start[0] == 'r' && ReadFromOffsetExact(mem_fd, &ehdr, sizeof(ElfW(Ehdr)), start_address) && memcmp(ehdr.e_ident, ELFMAG, SELFMAG) == 0) { switch (ehdr.e_type) { case ET_EXEC: base_address = 0; break; case ET_DYN: // Find the segment containing file offset 0. This will correspond // to the ELF header that we just read. Normally this will have // virtual address 0, but this is not guaranteed. We must subtract // the virtual address from the address where the ELF header was // mapped to get the base address. // // If we fail to find a segment for file offset 0, use the address // of the ELF header as the base address. base_address = start_address; for (unsigned i = 0; i != ehdr.e_phnum; ++i) { ElfW(Phdr) phdr; if (ReadFromOffsetExact( mem_fd, &phdr, sizeof(phdr), start_address + ehdr.e_phoff + i * sizeof(phdr)) && phdr.p_type == PT_LOAD && phdr.p_offset == 0) { base_address = start_address - phdr.p_vaddr; break; } } break; default: // ET_REL or ET_CORE. These aren't directly executable, so they don't // affect the base address. break; } } // Check start and end addresses. if (!(start_address <= pc && pc < end_address)) { continue; // We skip this map. PC isn't in this map. } // Check flags. We are only interested in "r*x" maps. if (flags_start[0] != 'r' || flags_start[2] != 'x') { continue; // We skip this map. } ++cursor; // Skip ' '. // Read file offset. uint64_t file_offset; cursor = GetHex(cursor, eol, &file_offset); if (cursor == eol || *cursor != ' ') { return -1; // Malformed line. } ++cursor; // Skip ' '. // Skip to file name. "cursor" now points to dev. We need to // skip at least two spaces for dev and inode. int num_spaces = 0; while (cursor < eol) { if (*cursor == ' ') { ++num_spaces; } else if (num_spaces >= 2) { // The first non-space character after skipping two spaces // is the beginning of the file name. break; } ++cursor; } if (cursor == eol) { return -1; // Malformed line. } // Finally, "cursor" now points to file name of our interest. NO_INTR(object_fd = open(cursor, O_RDONLY)); if (object_fd < 0) { // Failed to open object file. Copy the object file name to // |out_file_name|. strncpy(out_file_name, cursor, out_file_name_size); // Making sure |out_file_name| is always null-terminated. out_file_name[out_file_name_size - 1] = '\0'; return -1; } return object_fd; } } // POSIX doesn't define any async-signal safe function for converting // an integer to ASCII. We'll have to define our own version. // itoa_r() converts an (unsigned) integer to ASCII. It returns "buf", if the // conversion was successful or NULL otherwise. It never writes more than "sz" // bytes. Output will be truncated as needed, and a NUL character is always // appended. // NOTE: code from sandbox/linux/seccomp-bpf/demo.cc. static char *itoa_r(uintptr_t i, char *buf, size_t sz, unsigned base, size_t padding) { // Make sure we can write at least one NUL byte. size_t n = 1; if (n > sz) { return NULL; } if (base < 2 || base > 16) { buf[0] = '\000'; return NULL; } char *start = buf; // Loop until we have converted the entire number. Output at least one // character (i.e. '0'). char *ptr = start; do { // Make sure there is still enough space left in our output buffer. if (++n > sz) { buf[0] = '\000'; return NULL; } // Output the next digit. *ptr++ = "0123456789abcdef"[i % base]; i /= base; if (padding > 0) { padding--; } } while (i > 0 || padding > 0); // Terminate the output with a NUL character. *ptr = '\000'; // Conversion to ASCII actually resulted in the digits being in reverse // order. We can't easily generate them in forward order, as we can't tell // the number of characters needed until we are done converting. // So, now, we reverse the string (except for the possible "-" sign). while (--ptr > start) { char ch = *ptr; *ptr = *start; *start++ = ch; } return buf; } // Safely appends string |source| to string |dest|. Never writes past the // buffer size |dest_size| and guarantees that |dest| is null-terminated. static void SafeAppendString(const char* source, char* dest, size_t dest_size) { size_t dest_string_length = strlen(dest); SAFE_ASSERT(dest_string_length < dest_size); dest += dest_string_length; dest_size -= dest_string_length; strncpy(dest, source, dest_size); // Making sure |dest| is always null-terminated. dest[dest_size - 1] = '\0'; } // Converts a 64-bit value into a hex string, and safely appends it to |dest|. // Never writes past the buffer size |dest_size| and guarantees that |dest| is // null-terminated. static void SafeAppendHexNumber(uint64_t value, char* dest, size_t dest_size) { // 64-bit numbers in hex can have up to 16 digits. char buf[17] = {'\0'}; SafeAppendString(itoa_r(value, buf, sizeof(buf), 16, 0), dest, dest_size); } // The implementation of our symbolization routine. If it // successfully finds the symbol containing "pc" and obtains the // symbol name, returns true and write the symbol name to "out". // Otherwise, returns false. If Callback function is installed via // InstallSymbolizeCallback(), the function is also called in this function, // and "out" is used as its output. // To keep stack consumption low, we would like this function to not // get inlined. static ATTRIBUTE_NOINLINE bool SymbolizeAndDemangle(void *pc, char *out, size_t out_size) { uint64_t pc0 = reinterpret_cast(pc); uint64_t start_address = 0; uint64_t base_address = 0; int object_fd = -1; if (out_size < 1) { return false; } out[0] = '\0'; SafeAppendString("(", out, out_size); if (g_symbolize_open_object_file_callback) { object_fd = g_symbolize_open_object_file_callback(pc0, start_address, base_address, out + 1, out_size - 1); } else { object_fd = OpenObjectFileContainingPcAndGetStartAddress(pc0, start_address, base_address, out + 1, out_size - 1); } FileDescriptor wrapped_object_fd(object_fd); #if defined(PRINT_UNSYMBOLIZED_STACK_TRACES) { #else // Check whether a file name was returned. if (object_fd < 0) { #endif if (out[1]) { // The object file containing PC was determined successfully however the // object file was not opened successfully. This is still considered // success because the object file name and offset are known and tools // like asan_symbolize.py can be used for the symbolization. out[out_size - 1] = '\0'; // Making sure |out| is always null-terminated. SafeAppendString("+0x", out, out_size); SafeAppendHexNumber(pc0 - base_address, out, out_size); SafeAppendString(")", out, out_size); return true; } // Failed to determine the object file containing PC. Bail out. return false; } int elf_type = FileGetElfType(wrapped_object_fd.get()); if (elf_type == -1) { return false; } if (g_symbolize_callback) { // Run the call back if it's installed. // Note: relocation (and much of the rest of this code) will be // wrong for prelinked shared libraries and PIE executables. uint64_t relocation = (elf_type == ET_DYN) ? start_address : 0; int num_bytes_written = g_symbolize_callback(wrapped_object_fd.get(), pc, out, out_size, relocation); if (num_bytes_written > 0) { out += static_cast(num_bytes_written); out_size -= static_cast(num_bytes_written); } } if (!GetSymbolFromObjectFile(wrapped_object_fd.get(), pc0, out, out_size, base_address)) { if (out[1] && !g_symbolize_callback) { // The object file containing PC was opened successfully however the // symbol was not found. The object may have been stripped. This is still // considered success because the object file name and offset are known // and tools like asan_symbolize.py can be used for the symbolization. out[out_size - 1] = '\0'; // Making sure |out| is always null-terminated. SafeAppendString("+0x", out, out_size); SafeAppendHexNumber(pc0 - base_address, out, out_size); SafeAppendString(")", out, out_size); return true; } return false; } // Symbolization succeeded. Now we try to demangle the symbol. DemangleInplace(out, out_size); return true; } _END_GOOGLE_NAMESPACE_ #elif defined(GLOG_OS_MACOSX) && defined(HAVE_DLADDR) #include #include _START_GOOGLE_NAMESPACE_ static ATTRIBUTE_NOINLINE bool SymbolizeAndDemangle(void *pc, char *out, size_t out_size) { Dl_info info; if (dladdr(pc, &info)) { if (info.dli_sname) { if (strlen(info.dli_sname) < out_size) { strcpy(out, info.dli_sname); // Symbolization succeeded. Now we try to demangle the symbol. DemangleInplace(out, out_size); return true; } } } return false; } _END_GOOGLE_NAMESPACE_ #elif defined(GLOG_OS_WINDOWS) || defined(GLOG_OS_CYGWIN) #include #include #ifdef _MSC_VER #pragma comment(lib, "dbghelp") #endif _START_GOOGLE_NAMESPACE_ class SymInitializer { public: HANDLE process; bool ready; SymInitializer() : process(NULL), ready(false) { // Initialize the symbol handler. // https://msdn.microsoft.com/en-us/library/windows/desktop/ms680344(v=vs.85).aspx process = GetCurrentProcess(); // Defer symbol loading. // We do not request undecorated symbols with SYMOPT_UNDNAME // because the mangling library calls UnDecorateSymbolName. SymSetOptions(SYMOPT_DEFERRED_LOADS); if (SymInitialize(process, NULL, true)) { ready = true; } } ~SymInitializer() { SymCleanup(process); // We do not need to close `HANDLE process` because it's a "pseudo handle." } private: SymInitializer(const SymInitializer&); SymInitializer& operator=(const SymInitializer&); }; static ATTRIBUTE_NOINLINE bool SymbolizeAndDemangle(void *pc, char *out, int out_size) { const static SymInitializer symInitializer; if (!symInitializer.ready) { return false; } // Resolve symbol information from address. // https://msdn.microsoft.com/en-us/library/windows/desktop/ms680578(v=vs.85).aspx char buf[sizeof(SYMBOL_INFO) + MAX_SYM_NAME]; SYMBOL_INFO *symbol = reinterpret_cast(buf); symbol->SizeOfStruct = sizeof(SYMBOL_INFO); symbol->MaxNameLen = MAX_SYM_NAME; // We use the ANSI version to ensure the string type is always `char *`. // This could break if a symbol has Unicode in it. BOOL ret = SymFromAddr(symInitializer.process, reinterpret_cast(pc), 0, symbol); if (ret == 1 && static_cast(symbol->NameLen) < out_size) { // `NameLen` does not include the null terminating character. strncpy(out, symbol->Name, static_cast(symbol->NameLen) + 1); out[static_cast(symbol->NameLen)] = '\0'; // Symbolization succeeded. Now we try to demangle the symbol. DemangleInplace(out, out_size); return true; } return false; } _END_GOOGLE_NAMESPACE_ #else # error BUG: HAVE_SYMBOLIZE was wrongly set #endif _START_GOOGLE_NAMESPACE_ bool Symbolize(void *pc, char *out, size_t out_size) { return SymbolizeAndDemangle(pc, out, out_size); } _END_GOOGLE_NAMESPACE_ #else /* HAVE_SYMBOLIZE */ #include #include "config.h" _START_GOOGLE_NAMESPACE_ // TODO: Support other environments. bool Symbolize(void* /*pc*/, char* /*out*/, size_t /*out_size*/) { assert(0); return false; } _END_GOOGLE_NAMESPACE_ #endif glog-0.6.0/src/symbolize.h000066400000000000000000000141361422266545700154440ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // This library provides Symbolize() function that symbolizes program // counters to their corresponding symbol names on linux platforms. // This library has a minimal implementation of an ELF symbol table // reader (i.e. it doesn't depend on libelf, etc.). // // The algorithm used in Symbolize() is as follows. // // 1. Go through a list of maps in /proc/self/maps and find the map // containing the program counter. // // 2. Open the mapped file and find a regular symbol table inside. // Iterate over symbols in the symbol table and look for the symbol // containing the program counter. If such a symbol is found, // obtain the symbol name, and demangle the symbol if possible. // If the symbol isn't found in the regular symbol table (binary is // stripped), try the same thing with a dynamic symbol table. // // Note that Symbolize() is originally implemented to be used in // FailureSignalHandler() in base/google.cc. Hence it doesn't use // malloc() and other unsafe operations. It should be both // thread-safe and async-signal-safe. #ifndef BASE_SYMBOLIZE_H_ #define BASE_SYMBOLIZE_H_ #include "utilities.h" #include "config.h" #include #ifdef HAVE_SYMBOLIZE #if defined(__ELF__) // defined by gcc #if defined(__OpenBSD__) #include #else #include #endif #if !defined(ANDROID) #include // For ElfW() macro. #endif // For systems where SIZEOF_VOID_P is not defined, determine it // based on __LP64__ (defined by gcc on 64-bit systems) #if !defined(SIZEOF_VOID_P) # if defined(__LP64__) # define SIZEOF_VOID_P 8 # else # define SIZEOF_VOID_P 4 # endif #endif // If there is no ElfW macro, let's define it by ourself. #ifndef ElfW # if SIZEOF_VOID_P == 4 # define ElfW(type) Elf32_##type # elif SIZEOF_VOID_P == 8 # define ElfW(type) Elf64_##type # else # error "Unknown sizeof(void *)" # endif #endif _START_GOOGLE_NAMESPACE_ // Gets the section header for the given name, if it exists. Returns true on // success. Otherwise, returns false. bool GetSectionHeaderByName(int fd, const char *name, size_t name_len, ElfW(Shdr) *out); _END_GOOGLE_NAMESPACE_ #endif /* __ELF__ */ _START_GOOGLE_NAMESPACE_ // Restrictions on the callbacks that follow: // - The callbacks must not use heaps but only use stacks. // - The callbacks must be async-signal-safe. // Installs a callback function, which will be called right before a symbol name // is printed. The callback is intended to be used for showing a file name and a // line number preceding a symbol name. // "fd" is a file descriptor of the object file containing the program // counter "pc". The callback function should write output to "out" // and return the size of the output written. On error, the callback // function should return -1. typedef int (*SymbolizeCallback)(int fd, void* pc, char* out, size_t out_size, uint64_t relocation); GLOG_EXPORT void InstallSymbolizeCallback(SymbolizeCallback callback); // Installs a callback function, which will be called instead of // OpenObjectFileContainingPcAndGetStartAddress. The callback is expected // to searches for the object file (from /proc/self/maps) that contains // the specified pc. If found, sets |start_address| to the start address // of where this object file is mapped in memory, sets the module base // address into |base_address|, copies the object file name into // |out_file_name|, and attempts to open the object file. If the object // file is opened successfully, returns the file descriptor. Otherwise, // returns -1. |out_file_name_size| is the size of the file name buffer // (including the null-terminator). typedef int (*SymbolizeOpenObjectFileCallback)(uint64_t pc, uint64_t& start_address, uint64_t& base_address, char* out_file_name, size_t out_file_name_size); void InstallSymbolizeOpenObjectFileCallback( SymbolizeOpenObjectFileCallback callback); _END_GOOGLE_NAMESPACE_ #endif _START_GOOGLE_NAMESPACE_ // Symbolizes a program counter. On success, returns true and write the // symbol name to "out". The symbol name is demangled if possible // (supports symbols generated by GCC 3.x or newer). Otherwise, // returns false. GLOG_EXPORT bool Symbolize(void* pc, char* out, size_t out_size); _END_GOOGLE_NAMESPACE_ #endif // BASE_SYMBOLIZE_H_ glog-0.6.0/src/symbolize_unittest.cc000066400000000000000000000333701422266545700175420ustar00rootroot00000000000000// Copyright (c) 2006, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Satoru Takabayashi // // Unit tests for functions in symbolize.cc. #include #include #include "config.h" #include #include "googletest.h" #include "symbolize.h" #include "utilities.h" #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif using namespace std; using namespace GOOGLE_NAMESPACE; #if defined(HAVE_STACKTRACE) #define always_inline #if defined(__ELF__) || defined(GLOG_OS_WINDOWS) || defined(GLOG_OS_CYGWIN) // A wrapper function for Symbolize() to make the unit test simple. static const char *TrySymbolize(void *pc) { static char symbol[4096]; if (Symbolize(pc, symbol, sizeof(symbol))) { return symbol; } else { return NULL; } } #endif # if defined(__ELF__) // This unit tests make sense only with GCC. // Uses lots of GCC specific features. #if defined(__GNUC__) && !defined(__OPENCC__) # if __GNUC__ >= 4 # define TEST_WITH_MODERN_GCC # if defined(__i386__) && __i386__ // always_inline isn't supported for x86_64 with GCC 4.1.0. # undef always_inline # define always_inline __attribute__((always_inline)) # define HAVE_ALWAYS_INLINE # endif // __i386__ # else # endif // __GNUC__ >= 4 # if defined(__i386__) || defined(__x86_64__) # define TEST_X86_32_AND_64 1 # endif // defined(__i386__) || defined(__x86_64__) #endif // Make them C linkage to avoid mangled names. extern "C" { void nonstatic_func(); void nonstatic_func() { volatile int a = 0; ++a; } static void static_func() { volatile int a = 0; ++a; } } TEST(Symbolize, Symbolize) { // We do C-style cast since GCC 2.95.3 doesn't allow // reinterpret_cast(&func). // Compilers should give us pointers to them. EXPECT_STREQ("nonstatic_func", TrySymbolize((void *)(&nonstatic_func))); // The name of an internal linkage symbol is not specified; allow either a // mangled or an unmangled name here. const char *static_func_symbol = TrySymbolize(reinterpret_cast(&static_func)); #if !defined(_MSC_VER) || !defined(NDEBUG) CHECK(NULL != static_func_symbol); EXPECT_TRUE(strcmp("static_func", static_func_symbol) == 0 || strcmp("static_func()", static_func_symbol) == 0); #endif EXPECT_TRUE(NULL == TrySymbolize(NULL)); } struct Foo { static void func(int x); }; void ATTRIBUTE_NOINLINE Foo::func(int x) { volatile int a = x; ++a; } // With a modern GCC, Symbolize() should return demangled symbol // names. Function parameters should be omitted. #ifdef TEST_WITH_MODERN_GCC TEST(Symbolize, SymbolizeWithDemangling) { Foo::func(100); #if !defined(_MSC_VER) || !defined(NDEBUG) EXPECT_STREQ("Foo::func()", TrySymbolize((void *)(&Foo::func))); #endif } #endif // Tests that verify that Symbolize footprint is within some limit. // To measure the stack footprint of the Symbolize function, we create // a signal handler (for SIGUSR1 say) that calls the Symbolize function // on an alternate stack. This alternate stack is initialized to some // known pattern (0x55, 0x55, 0x55, ...). We then self-send this signal, // and after the signal handler returns, look at the alternate stack // buffer to see what portion has been touched. // // This trick gives us the the stack footprint of the signal handler. // But the signal handler, even before the call to Symbolize, consumes // some stack already. We however only want the stack usage of the // Symbolize function. To measure this accurately, we install two signal // handlers: one that does nothing and just returns, and another that // calls Symbolize. The difference between the stack consumption of these // two signals handlers should give us the Symbolize stack foorprint. static void *g_pc_to_symbolize; static char g_symbolize_buffer[4096]; static char *g_symbolize_result; static void EmptySignalHandler(int /*signo*/) {} static void SymbolizeSignalHandler(int /*signo*/) { if (Symbolize(g_pc_to_symbolize, g_symbolize_buffer, sizeof(g_symbolize_buffer))) { g_symbolize_result = g_symbolize_buffer; } else { g_symbolize_result = NULL; } } const int kAlternateStackSize = 8096; const char kAlternateStackFillValue = 0x55; // These helper functions look at the alternate stack buffer, and figure // out what portion of this buffer has been touched - this is the stack // consumption of the signal handler running on this alternate stack. static ATTRIBUTE_NOINLINE bool StackGrowsDown(int *x) { int y; return &y < x; } static int GetStackConsumption(const char* alt_stack) { int x; if (StackGrowsDown(&x)) { for (int i = 0; i < kAlternateStackSize; i++) { if (alt_stack[i] != kAlternateStackFillValue) { return (kAlternateStackSize - i); } } } else { for (int i = (kAlternateStackSize - 1); i >= 0; i--) { if (alt_stack[i] != kAlternateStackFillValue) { return i; } } } return -1; } #ifdef HAVE_SIGALTSTACK // Call Symbolize and figure out the stack footprint of this call. static const char *SymbolizeStackConsumption(void *pc, int *stack_consumed) { g_pc_to_symbolize = pc; // The alt-signal-stack cannot be heap allocated because there is a // bug in glibc-2.2 where some signal handler setup code looks at the // current stack pointer to figure out what thread is currently running. // Therefore, the alternate stack must be allocated from the main stack // itself. char altstack[kAlternateStackSize]; memset(altstack, kAlternateStackFillValue, kAlternateStackSize); // Set up the alt-signal-stack (and save the older one). stack_t sigstk; memset(&sigstk, 0, sizeof(stack_t)); stack_t old_sigstk; sigstk.ss_sp = altstack; sigstk.ss_size = kAlternateStackSize; sigstk.ss_flags = 0; CHECK_ERR(sigaltstack(&sigstk, &old_sigstk)); // Set up SIGUSR1 and SIGUSR2 signal handlers (and save the older ones). struct sigaction sa; memset(&sa, 0, sizeof(struct sigaction)); struct sigaction old_sa1, old_sa2; sigemptyset(&sa.sa_mask); sa.sa_flags = SA_ONSTACK; // SIGUSR1 maps to EmptySignalHandler. sa.sa_handler = EmptySignalHandler; CHECK_ERR(sigaction(SIGUSR1, &sa, &old_sa1)); // SIGUSR2 maps to SymbolizeSignalHanlder. sa.sa_handler = SymbolizeSignalHandler; CHECK_ERR(sigaction(SIGUSR2, &sa, &old_sa2)); // Send SIGUSR1 signal and measure the stack consumption of the empty // signal handler. CHECK_ERR(kill(getpid(), SIGUSR1)); int stack_consumption1 = GetStackConsumption(altstack); // Send SIGUSR2 signal and measure the stack consumption of the symbolize // signal handler. CHECK_ERR(kill(getpid(), SIGUSR2)); int stack_consumption2 = GetStackConsumption(altstack); // The difference between the two stack consumption values is the // stack footprint of the Symbolize function. if (stack_consumption1 != -1 && stack_consumption2 != -1) { *stack_consumed = stack_consumption2 - stack_consumption1; } else { *stack_consumed = -1; } // Log the stack consumption values. LOG(INFO) << "Stack consumption of empty signal handler: " << stack_consumption1; LOG(INFO) << "Stack consumption of symbolize signal handler: " << stack_consumption2; LOG(INFO) << "Stack consumption of Symbolize: " << *stack_consumed; // Now restore the old alt-signal-stack and signal handlers. CHECK_ERR(sigaltstack(&old_sigstk, NULL)); CHECK_ERR(sigaction(SIGUSR1, &old_sa1, NULL)); CHECK_ERR(sigaction(SIGUSR2, &old_sa2, NULL)); return g_symbolize_result; } #ifdef __ppc64__ // Symbolize stack consumption should be within 4kB. const int kStackConsumptionUpperLimit = 4096; #else // Symbolize stack consumption should be within 2kB. const int kStackConsumptionUpperLimit = 2048; #endif TEST(Symbolize, SymbolizeStackConsumption) { int stack_consumed; const char* symbol; symbol = SymbolizeStackConsumption(reinterpret_cast(&nonstatic_func), &stack_consumed); EXPECT_STREQ("nonstatic_func", symbol); EXPECT_GT(stack_consumed, 0); EXPECT_LT(stack_consumed, kStackConsumptionUpperLimit); // The name of an internal linkage symbol is not specified; allow either a // mangled or an unmangled name here. symbol = SymbolizeStackConsumption(reinterpret_cast(&static_func), &stack_consumed); CHECK(NULL != symbol); EXPECT_TRUE(strcmp("static_func", symbol) == 0 || strcmp("static_func()", symbol) == 0); EXPECT_GT(stack_consumed, 0); EXPECT_LT(stack_consumed, kStackConsumptionUpperLimit); } #ifdef TEST_WITH_MODERN_GCC TEST(Symbolize, SymbolizeWithDemanglingStackConsumption) { Foo::func(100); int stack_consumed; const char* symbol; symbol = SymbolizeStackConsumption(reinterpret_cast(&Foo::func), &stack_consumed); EXPECT_STREQ("Foo::func()", symbol); EXPECT_GT(stack_consumed, 0); EXPECT_LT(stack_consumed, kStackConsumptionUpperLimit); } #endif #endif // HAVE_SIGALTSTACK // x86 specific tests. Uses some inline assembler. extern "C" { inline void* always_inline inline_func() { void *pc = NULL; #ifdef TEST_X86_32_AND_64 __asm__ __volatile__("call 1f; 1: pop %0" : "=r"(pc)); #endif return pc; } void* ATTRIBUTE_NOINLINE non_inline_func(); void* ATTRIBUTE_NOINLINE non_inline_func() { void *pc = NULL; #ifdef TEST_X86_32_AND_64 __asm__ __volatile__("call 1f; 1: pop %0" : "=r"(pc)); #endif return pc; } static void ATTRIBUTE_NOINLINE TestWithPCInsideNonInlineFunction() { #if defined(TEST_X86_32_AND_64) && defined(HAVE_ATTRIBUTE_NOINLINE) void *pc = non_inline_func(); const char *symbol = TrySymbolize(pc); #if !defined(_MSC_VER) || !defined(NDEBUG) CHECK(symbol != NULL); CHECK_STREQ(symbol, "non_inline_func"); #endif cout << "Test case TestWithPCInsideNonInlineFunction passed." << endl; #endif } static void ATTRIBUTE_NOINLINE TestWithPCInsideInlineFunction() { #if defined(TEST_X86_32_AND_64) && defined(HAVE_ALWAYS_INLINE) void *pc = inline_func(); // Must be inlined. const char *symbol = TrySymbolize(pc); #if !defined(_MSC_VER) || !defined(NDEBUG) CHECK(symbol != NULL); CHECK_STREQ(symbol, __FUNCTION__); #endif cout << "Test case TestWithPCInsideInlineFunction passed." << endl; #endif } } // Test with a return address. static void ATTRIBUTE_NOINLINE TestWithReturnAddress() { #if defined(HAVE_ATTRIBUTE_NOINLINE) void *return_address = __builtin_return_address(0); const char *symbol = TrySymbolize(return_address); #if !defined(_MSC_VER) || !defined(NDEBUG) CHECK(symbol != NULL); CHECK_STREQ(symbol, "main"); #endif cout << "Test case TestWithReturnAddress passed." << endl; #endif } # elif defined(GLOG_OS_WINDOWS) || defined(GLOG_OS_CYGWIN) #ifdef _MSC_VER #include #pragma intrinsic(_ReturnAddress) #endif struct Foo { static void func(int x); }; __declspec(noinline) void Foo::func(int x) { volatile int a = x; ++a; } TEST(Symbolize, SymbolizeWithDemangling) { Foo::func(100); const char* ret = TrySymbolize((void *)(&Foo::func)); #if defined(HAVE_DBGHELP) && !defined(NDEBUG) EXPECT_STREQ("public: static void __cdecl Foo::func(int)", ret); #endif } __declspec(noinline) void TestWithReturnAddress() { void *return_address = #ifdef __GNUC__ // Cygwin and MinGW support __builtin_return_address(0) #else _ReturnAddress() #endif ; const char *symbol = TrySymbolize(return_address); #if !defined(_MSC_VER) || !defined(NDEBUG) CHECK(symbol != NULL); CHECK_STREQ(symbol, "main"); #endif cout << "Test case TestWithReturnAddress passed." << endl; } # endif // __ELF__ #endif // HAVE_STACKTRACE int main(int argc, char **argv) { FLAGS_logtostderr = true; InitGoogleLogging(argv[0]); InitGoogleTest(&argc, argv); #if defined(HAVE_SYMBOLIZE) && defined(HAVE_STACKTRACE) # if defined(__ELF__) // We don't want to get affected by the callback interface, that may be // used to install some callback function at InitGoogle() time. InstallSymbolizeCallback(NULL); TestWithPCInsideInlineFunction(); TestWithPCInsideNonInlineFunction(); TestWithReturnAddress(); return RUN_ALL_TESTS(); # elif defined(GLOG_OS_WINDOWS) || defined(GLOG_OS_CYGWIN) TestWithReturnAddress(); return RUN_ALL_TESTS(); # else // GLOG_OS_WINDOWS printf("PASS (no symbolize_unittest support)\n"); return 0; # endif // __ELF__ #else printf("PASS (no symbolize support)\n"); return 0; #endif // HAVE_SYMBOLIZE } glog-0.6.0/src/utilities.cc000066400000000000000000000267001422266545700156000ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Shinichiro Hamaji #include "config.h" #include "utilities.h" #include #include #include #ifdef HAVE_SYS_TIME_H # include #endif #include #if defined(HAVE_SYSCALL_H) #include // for syscall() #elif defined(HAVE_SYS_SYSCALL_H) #include // for syscall() #endif #ifdef HAVE_SYSLOG_H # include #endif #ifdef HAVE_UNISTD_H # include // For geteuid. #endif #ifdef HAVE_PWD_H # include #endif #ifdef __ANDROID__ #include #endif #include "base/googleinit.h" using std::string; _START_GOOGLE_NAMESPACE_ static const char* g_program_invocation_short_name = NULL; bool IsGoogleLoggingInitialized() { return g_program_invocation_short_name != NULL; } _END_GOOGLE_NAMESPACE_ // The following APIs are all internal. #ifdef HAVE_STACKTRACE #include "stacktrace.h" #include "symbolize.h" #include "base/commandlineflags.h" GLOG_DEFINE_bool(symbolize_stacktrace, true, "Symbolize the stack trace in the tombstone"); _START_GOOGLE_NAMESPACE_ typedef void DebugWriter(const char*, void*); // The %p field width for printf() functions is two characters per byte. // For some environments, add two extra bytes for the leading "0x". static const int kPrintfPointerFieldWidth = 2 + 2 * sizeof(void*); static void DebugWriteToStderr(const char* data, void *) { // This one is signal-safe. if (write(STDERR_FILENO, data, strlen(data)) < 0) { // Ignore errors. } #if defined(__ANDROID__) // ANDROID_LOG_FATAL as fatal error occurred and now is dumping call stack. __android_log_write(ANDROID_LOG_FATAL, glog_internal_namespace_::ProgramInvocationShortName(), data); #endif } static void DebugWriteToString(const char* data, void *arg) { reinterpret_cast(arg)->append(data); } #ifdef HAVE_SYMBOLIZE // Print a program counter and its symbol name. static void DumpPCAndSymbol(DebugWriter *writerfn, void *arg, void *pc, const char * const prefix) { char tmp[1024]; const char *symbol = "(unknown)"; // Symbolizes the previous address of pc because pc may be in the // next function. The overrun happens when the function ends with // a call to a function annotated noreturn (e.g. CHECK). if (Symbolize(reinterpret_cast(pc) - 1, tmp, sizeof(tmp))) { symbol = tmp; } char buf[1024]; snprintf(buf, sizeof(buf), "%s@ %*p %s\n", prefix, kPrintfPointerFieldWidth, pc, symbol); writerfn(buf, arg); } #endif static void DumpPC(DebugWriter *writerfn, void *arg, void *pc, const char * const prefix) { char buf[100]; snprintf(buf, sizeof(buf), "%s@ %*p\n", prefix, kPrintfPointerFieldWidth, pc); writerfn(buf, arg); } // Dump current stack trace as directed by writerfn static void DumpStackTrace(int skip_count, DebugWriter *writerfn, void *arg) { // Print stack trace void* stack[32]; int depth = GetStackTrace(stack, ARRAYSIZE(stack), skip_count+1); for (int i = 0; i < depth; i++) { #if defined(HAVE_SYMBOLIZE) if (FLAGS_symbolize_stacktrace) { DumpPCAndSymbol(writerfn, arg, stack[i], " "); } else { DumpPC(writerfn, arg, stack[i], " "); } #else DumpPC(writerfn, arg, stack[i], " "); #endif } } #if defined(__GNUC__) __attribute__((noreturn)) #elif defined(_MSC_VER) __declspec(noreturn) #endif static void DumpStackTraceAndExit() { DumpStackTrace(1, DebugWriteToStderr, NULL); // TODO(hamaji): Use signal instead of sigaction? if (IsFailureSignalHandlerInstalled()) { // Set the default signal handler for SIGABRT, to avoid invoking our // own signal handler installed by InstallFailureSignalHandler(). #ifdef HAVE_SIGACTION struct sigaction sig_action; memset(&sig_action, 0, sizeof(sig_action)); sigemptyset(&sig_action.sa_mask); sig_action.sa_handler = SIG_DFL; sigaction(SIGABRT, &sig_action, NULL); #elif defined(GLOG_OS_WINDOWS) signal(SIGABRT, SIG_DFL); #endif // HAVE_SIGACTION } abort(); } _END_GOOGLE_NAMESPACE_ #endif // HAVE_STACKTRACE _START_GOOGLE_NAMESPACE_ namespace glog_internal_namespace_ { const char* ProgramInvocationShortName() { if (g_program_invocation_short_name != NULL) { return g_program_invocation_short_name; } else { // TODO(hamaji): Use /proc/self/cmdline and so? return "UNKNOWN"; } } #ifdef GLOG_OS_WINDOWS struct timeval { long tv_sec, tv_usec; }; // Based on: http://www.google.com/codesearch/p?hl=en#dR3YEbitojA/os_win32.c&q=GetSystemTimeAsFileTime%20license:bsd // See COPYING for copyright information. static int gettimeofday(struct timeval *tv, void* /*tz*/) { #ifdef __GNUC__ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wlong-long" #endif #define EPOCHFILETIME (116444736000000000ULL) FILETIME ft; ULARGE_INTEGER li; uint64 tt; GetSystemTimeAsFileTime(&ft); li.LowPart = ft.dwLowDateTime; li.HighPart = ft.dwHighDateTime; tt = (li.QuadPart - EPOCHFILETIME) / 10; tv->tv_sec = tt / 1000000; tv->tv_usec = tt % 1000000; #ifdef __GNUC__ #pragma GCC diagnostic pop #endif return 0; } #endif int64 CycleClock_Now() { // TODO(hamaji): temporary impementation - it might be too slow. struct timeval tv; gettimeofday(&tv, NULL); return static_cast(tv.tv_sec) * 1000000 + tv.tv_usec; } int64 UsecToCycles(int64 usec) { return usec; } WallTime WallTime_Now() { // Now, cycle clock is retuning microseconds since the epoch. return CycleClock_Now() * 0.000001; } static int32 g_main_thread_pid = getpid(); int32 GetMainThreadPid() { return g_main_thread_pid; } bool PidHasChanged() { int32 pid = getpid(); if (g_main_thread_pid == pid) { return false; } g_main_thread_pid = pid; return true; } pid_t GetTID() { // On Linux and MacOSX, we try to use gettid(). #if defined GLOG_OS_LINUX || defined GLOG_OS_MACOSX #ifndef __NR_gettid #ifdef GLOG_OS_MACOSX #define __NR_gettid SYS_gettid #elif ! defined __i386__ #error "Must define __NR_gettid for non-x86 platforms" #else #define __NR_gettid 224 #endif #endif static bool lacks_gettid = false; if (!lacks_gettid) { #if (defined(GLOG_OS_MACOSX) && defined(HAVE_PTHREAD_THREADID_NP)) uint64_t tid64; const int error = pthread_threadid_np(NULL, &tid64); pid_t tid = error ? -1 : static_cast(tid64); #else pid_t tid = static_cast(syscall(__NR_gettid)); #endif if (tid != -1) { return tid; } // Technically, this variable has to be volatile, but there is a small // performance penalty in accessing volatile variables and there should // not be any serious adverse effect if a thread does not immediately see // the value change to "true". lacks_gettid = true; } #endif // GLOG_OS_LINUX || GLOG_OS_MACOSX // If gettid() could not be used, we use one of the following. #if defined GLOG_OS_LINUX return getpid(); // Linux: getpid returns thread ID when gettid is absent #elif defined GLOG_OS_WINDOWS && !defined GLOG_OS_CYGWIN return static_cast(GetCurrentThreadId()); #elif defined(HAVE_PTHREAD) // If none of the techniques above worked, we use pthread_self(). return (pid_t)(uintptr_t)pthread_self(); #else return -1; #endif } const char* const_basename(const char* filepath) { const char* base = strrchr(filepath, '/'); #ifdef GLOG_OS_WINDOWS // Look for either path separator in Windows if (!base) base = strrchr(filepath, '\\'); #endif return base ? (base+1) : filepath; } static string g_my_user_name; const string& MyUserName() { return g_my_user_name; } static void MyUserNameInitializer() { // TODO(hamaji): Probably this is not portable. #if defined(GLOG_OS_WINDOWS) const char* user = getenv("USERNAME"); #else const char* user = getenv("USER"); #endif if (user != NULL) { g_my_user_name = user; } else { #if defined(HAVE_PWD_H) && defined(HAVE_UNISTD_H) struct passwd pwd; struct passwd* result = NULL; char buffer[1024] = {'\0'}; uid_t uid = geteuid(); int pwuid_res = getpwuid_r(uid, &pwd, buffer, sizeof(buffer), &result); if (pwuid_res == 0 && result) { g_my_user_name = pwd.pw_name; } else { snprintf(buffer, sizeof(buffer), "uid%d", uid); g_my_user_name = buffer; } #endif if (g_my_user_name.empty()) { g_my_user_name = "invalid-user"; } } } REGISTER_MODULE_INITIALIZER(utilities, MyUserNameInitializer()) #ifdef HAVE_STACKTRACE void DumpStackTraceToString(string* stacktrace) { DumpStackTrace(1, DebugWriteToString, stacktrace); } #endif // We use an atomic operation to prevent problems with calling CrashReason // from inside the Mutex implementation (potentially through RAW_CHECK). static const CrashReason* g_reason = 0; void SetCrashReason(const CrashReason* r) { sync_val_compare_and_swap(&g_reason, reinterpret_cast(0), r); } void InitGoogleLoggingUtilities(const char* argv0) { CHECK(!IsGoogleLoggingInitialized()) << "You called InitGoogleLogging() twice!"; const char* slash = strrchr(argv0, '/'); #ifdef GLOG_OS_WINDOWS if (!slash) slash = strrchr(argv0, '\\'); #endif g_program_invocation_short_name = slash ? slash + 1 : argv0; #ifdef HAVE_STACKTRACE InstallFailureFunction(&DumpStackTraceAndExit); #endif } void ShutdownGoogleLoggingUtilities() { CHECK(IsGoogleLoggingInitialized()) << "You called ShutdownGoogleLogging() without calling InitGoogleLogging() first!"; g_program_invocation_short_name = NULL; #ifdef HAVE_SYSLOG_H closelog(); #endif } } // namespace glog_internal_namespace_ _END_GOOGLE_NAMESPACE_ // Make an implementation of stacktrace compiled. #ifdef STACKTRACE_H # include STACKTRACE_H # if 0 // For include scanners which can't handle macro expansions. # include "stacktrace_libunwind-inl.h" # include "stacktrace_x86-inl.h" # include "stacktrace_x86_64-inl.h" # include "stacktrace_powerpc-inl.h" # include "stacktrace_generic-inl.h" # endif #endif glog-0.6.0/src/utilities.h000066400000000000000000000155101422266545700154370ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Shinichiro Hamaji // // Define utilties for glog internal usage. #ifndef UTILITIES_H__ #define UTILITIES_H__ // printf macros for size_t, in the style of inttypes.h #ifdef _LP64 #define __PRIS_PREFIX "z" #else #define __PRIS_PREFIX #endif // Use these macros after a % in a printf format string // to get correct 32/64 bit behavior, like this: // size_t size = records.size(); // printf("%"PRIuS"\n", size); #define PRIdS __PRIS_PREFIX "d" #define PRIxS __PRIS_PREFIX "x" #define PRIuS __PRIS_PREFIX "u" #define PRIXS __PRIS_PREFIX "X" #define PRIoS __PRIS_PREFIX "o" #include "base/mutex.h" // This must go first so we get _XOPEN_SOURCE #include #include #if defined(GLOG_OS_WINDOWS) # include "port.h" #endif #include "config.h" // There are three different ways we can try to get the stack trace: // // 1) The libunwind library. This is still in development, and as a // separate library adds a new dependency, but doesn't need a frame // pointer. It also doesn't call malloc. // // 2) Our hand-coded stack-unwinder. This depends on a certain stack // layout, which is used by gcc (and those systems using a // gcc-compatible ABI) on x86 systems, at least since gcc 2.95. // It uses the frame pointer to do its work. // // 3) The gdb unwinder -- also the one used by the c++ exception code. // It's obviously well-tested, but has a fatal flaw: it can call // malloc() from the unwinder. This is a problem because we're // trying to use the unwinder to instrument malloc(). // // 4) The Windows API CaptureStackTrace. // // Note: if you add a new implementation here, make sure it works // correctly when GetStackTrace() is called with max_depth == 0. // Some code may do that. #if defined(HAVE_LIB_UNWIND) # define STACKTRACE_H "stacktrace_libunwind-inl.h" #elif defined(HAVE__UNWIND_BACKTRACE) # define STACKTRACE_H "stacktrace_unwind-inl.h" #elif !defined(NO_FRAME_POINTER) # if defined(__i386__) && __GNUC__ >= 2 # define STACKTRACE_H "stacktrace_x86-inl.h" # elif (defined(__ppc__) || defined(__PPC__)) && __GNUC__ >= 2 # define STACKTRACE_H "stacktrace_powerpc-inl.h" # elif defined(GLOG_OS_WINDOWS) # define STACKTRACE_H "stacktrace_windows-inl.h" # endif #endif #if !defined(STACKTRACE_H) && defined(HAVE_EXECINFO_H) # define STACKTRACE_H "stacktrace_generic-inl.h" #endif #if defined(STACKTRACE_H) # define HAVE_STACKTRACE #endif #ifndef GLOG_NO_SYMBOLIZE_DETECTION #ifndef HAVE_SYMBOLIZE // defined by gcc #if defined(__ELF__) && defined(GLOG_OS_LINUX) # define HAVE_SYMBOLIZE #elif defined(GLOG_OS_MACOSX) && defined(HAVE_DLADDR) // Use dladdr to symbolize. # define HAVE_SYMBOLIZE #elif defined(GLOG_OS_WINDOWS) // Use DbgHelp to symbolize # define HAVE_SYMBOLIZE #endif #endif // !defined(HAVE_SYMBOLIZE) #endif // !defined(GLOG_NO_SYMBOLIZE_DETECTION) #ifndef ARRAYSIZE // There is a better way, but this is good enough for our purpose. # define ARRAYSIZE(a) (sizeof(a) / sizeof(*(a))) #endif _START_GOOGLE_NAMESPACE_ namespace glog_internal_namespace_ { #ifdef HAVE___ATTRIBUTE__ # define ATTRIBUTE_NOINLINE __attribute__ ((noinline)) # define HAVE_ATTRIBUTE_NOINLINE #elif defined(GLOG_OS_WINDOWS) # define ATTRIBUTE_NOINLINE __declspec(noinline) # define HAVE_ATTRIBUTE_NOINLINE #else # define ATTRIBUTE_NOINLINE #endif const char* ProgramInvocationShortName(); int64 CycleClock_Now(); int64 UsecToCycles(int64 usec); WallTime WallTime_Now(); int32 GetMainThreadPid(); bool PidHasChanged(); pid_t GetTID(); const std::string& MyUserName(); // Get the part of filepath after the last path separator. // (Doesn't modify filepath, contrary to basename() in libgen.h.) const char* const_basename(const char* filepath); // Wrapper of __sync_val_compare_and_swap. If the GCC extension isn't // defined, we try the CPU specific logics (we only support x86 and // x86_64 for now) first, then use a naive implementation, which has a // race condition. template inline T sync_val_compare_and_swap(T* ptr, T oldval, T newval) { #if defined(HAVE___SYNC_VAL_COMPARE_AND_SWAP) return __sync_val_compare_and_swap(ptr, oldval, newval); #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) T ret; __asm__ __volatile__("lock; cmpxchg %1, (%2);" :"=a"(ret) // GCC may produces %sil or %dil for // constraint "r", but some of apple's gas // dosn't know the 8 bit registers. // We use "q" to avoid these registers. :"q"(newval), "q"(ptr), "a"(oldval) :"memory", "cc"); return ret; #else T ret = *ptr; if (ret == oldval) { *ptr = newval; } return ret; #endif } void DumpStackTraceToString(std::string* stacktrace); struct CrashReason { CrashReason() : filename(0), line_number(0), message(0), depth(0) {} const char* filename; int line_number; const char* message; // We'll also store a bit of stack trace context at the time of crash as // it may not be available later on. void* stack[32]; int depth; }; void SetCrashReason(const CrashReason* r); void InitGoogleLoggingUtilities(const char* argv0); void ShutdownGoogleLoggingUtilities(); } // namespace glog_internal_namespace_ _END_GOOGLE_NAMESPACE_ using namespace GOOGLE_NAMESPACE::glog_internal_namespace_; #endif // UTILITIES_H__ glog-0.6.0/src/utilities_unittest.cc000066400000000000000000000044051422266545700175350ustar00rootroot00000000000000// Copyright (c) 2008, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Shinichiro Hamaji #include "utilities.h" #include "googletest.h" #include #ifdef HAVE_LIB_GFLAGS #include using namespace GFLAGS_NAMESPACE; #endif using namespace GOOGLE_NAMESPACE; TEST(utilities, sync_val_compare_and_swap) { bool now_entering = false; EXPECT_FALSE(sync_val_compare_and_swap(&now_entering, false, true)); EXPECT_TRUE(sync_val_compare_and_swap(&now_entering, false, true)); EXPECT_TRUE(sync_val_compare_and_swap(&now_entering, false, true)); } TEST(utilities, InitGoogleLoggingDeathTest) { ASSERT_DEATH(InitGoogleLogging("foobar"), ""); } int main(int argc, char **argv) { InitGoogleLogging(argv[0]); InitGoogleTest(&argc, argv); CHECK_EQ(RUN_ALL_TESTS(), 0); } glog-0.6.0/src/vlog_is_on.cc000066400000000000000000000241221422266545700157170ustar00rootroot00000000000000// Copyright (c) 1999, 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Ray Sidney and many others // // Broken out from logging.cc by Soren Lassen // logging_unittest.cc covers the functionality herein #include "utilities.h" #include #include #include #include #include #include "base/commandlineflags.h" #include #include #include "base/googleinit.h" // glog doesn't have annotation #define ANNOTATE_BENIGN_RACE(address, description) using std::string; GLOG_DEFINE_int32(v, 0, "Show all VLOG(m) messages for m <= this." " Overridable by --vmodule."); GLOG_DEFINE_string(vmodule, "", "per-module verbose level." " Argument is a comma-separated list of =." " is a glob pattern, matched against the filename base" " (that is, name ignoring .cc/.h./-inl.h)." " overrides any value given by --v."); _START_GOOGLE_NAMESPACE_ namespace glog_internal_namespace_ { // Used by logging_unittests.cc so can't make it static here. GLOG_EXPORT bool SafeFNMatch_(const char* pattern, size_t patt_len, const char* str, size_t str_len); // Implementation of fnmatch that does not need 0-termination // of arguments and does not allocate any memory, // but we only support "*" and "?" wildcards, not the "[...]" patterns. // It's not a static function for the unittest. GLOG_EXPORT bool SafeFNMatch_(const char* pattern, size_t patt_len, const char* str, size_t str_len) { size_t p = 0; size_t s = 0; while (1) { if (p == patt_len && s == str_len) return true; if (p == patt_len) return false; if (s == str_len) return p+1 == patt_len && pattern[p] == '*'; if (pattern[p] == str[s] || pattern[p] == '?') { p += 1; s += 1; continue; } if (pattern[p] == '*') { if (p+1 == patt_len) return true; do { if (SafeFNMatch_(pattern+(p+1), patt_len-(p+1), str+s, str_len-s)) { return true; } s += 1; } while (s != str_len); return false; } return false; } } } // namespace glog_internal_namespace_ using glog_internal_namespace_::SafeFNMatch_; // List of per-module log levels from FLAGS_vmodule. // Once created each element is never deleted/modified // except for the vlog_level: other threads will read VModuleInfo blobs // w/o locks and we'll store pointers to vlog_level at VLOG locations // that will never go away. // We can't use an STL struct here as we wouldn't know // when it's safe to delete/update it: other threads need to use it w/o locks. struct VModuleInfo { string module_pattern; mutable int32 vlog_level; // Conceptually this is an AtomicWord, but it's // too much work to use AtomicWord type here // w/o much actual benefit. const VModuleInfo* next; }; // This protects the following global variables. static Mutex vmodule_lock; // Pointer to head of the VModuleInfo list. // It's a map from module pattern to logging level for those module(s). static VModuleInfo* vmodule_list = 0; static SiteFlag* cached_site_list = 0; // Boolean initialization flag. static bool inited_vmodule = false; // L >= vmodule_lock. static void VLOG2Initializer() { vmodule_lock.AssertHeld(); // Can now parse --vmodule flag and initialize mapping of module-specific // logging levels. inited_vmodule = false; const char* vmodule = FLAGS_vmodule.c_str(); const char* sep; VModuleInfo* head = NULL; VModuleInfo* tail = NULL; while ((sep = strchr(vmodule, '=')) != NULL) { string pattern(vmodule, static_cast(sep - vmodule)); int module_level; if (sscanf(sep, "=%d", &module_level) == 1) { VModuleInfo* info = new VModuleInfo; info->module_pattern = pattern; info->vlog_level = module_level; if (head) { tail->next = info; } else { head = info; } tail = info; } // Skip past this entry vmodule = strchr(sep, ','); if (vmodule == NULL) break; vmodule++; // Skip past "," } if (head) { // Put them into the list at the head: tail->next = vmodule_list; vmodule_list = head; } inited_vmodule = true; } // This can be called very early, so we use SpinLock and RAW_VLOG here. int SetVLOGLevel(const char* module_pattern, int log_level) { int result = FLAGS_v; size_t const pattern_len = strlen(module_pattern); bool found = false; { MutexLock l(&vmodule_lock); // protect whole read-modify-write for (const VModuleInfo* info = vmodule_list; info != NULL; info = info->next) { if (info->module_pattern == module_pattern) { if (!found) { result = info->vlog_level; found = true; } info->vlog_level = log_level; } else if (!found && SafeFNMatch_(info->module_pattern.c_str(), info->module_pattern.size(), module_pattern, pattern_len)) { result = info->vlog_level; found = true; } } if (!found) { VModuleInfo* info = new VModuleInfo; info->module_pattern = module_pattern; info->vlog_level = log_level; info->next = vmodule_list; vmodule_list = info; SiteFlag** item_ptr = &cached_site_list; SiteFlag* item = cached_site_list; // We traverse the list fully because the pattern can match several items // from the list. while (item) { if (SafeFNMatch_(module_pattern, pattern_len, item->base_name, item->base_len)) { // Redirect the cached value to its module override. item->level = &info->vlog_level; *item_ptr = item->next; // Remove the item from the list. } else { item_ptr = &item->next; } item = *item_ptr; } } } RAW_VLOG(1, "Set VLOG level for \"%s\" to %d", module_pattern, log_level); return result; } // NOTE: Individual VLOG statements cache the integer log level pointers. // NOTE: This function must not allocate memory or require any locks. bool InitVLOG3__(SiteFlag* site_flag, int32* level_default, const char* fname, int32 verbose_level) { MutexLock l(&vmodule_lock); bool read_vmodule_flag = inited_vmodule; if (!read_vmodule_flag) { VLOG2Initializer(); } // protect the errno global in case someone writes: // VLOG(..) << "The last error was " << strerror(errno) int old_errno = errno; // site_default normally points to FLAGS_v int32* site_flag_value = level_default; // Get basename for file const char* base = strrchr(fname, '/'); #ifdef _WIN32 if (!base) { base = strrchr(fname, '\\'); } #endif base = base ? (base+1) : fname; const char* base_end = strchr(base, '.'); size_t base_length = base_end ? size_t(base_end - base) : strlen(base); // Trim out trailing "-inl" if any if (base_length >= 4 && (memcmp(base+base_length-4, "-inl", 4) == 0)) { base_length -= 4; } // TODO: Trim out _unittest suffix? Perhaps it is better to have // the extra control and just leave it there. // find target in vector of modules, replace site_flag_value with // a module-specific verbose level, if any. for (const VModuleInfo* info = vmodule_list; info != NULL; info = info->next) { if (SafeFNMatch_(info->module_pattern.c_str(), info->module_pattern.size(), base, base_length)) { site_flag_value = &info->vlog_level; // value at info->vlog_level is now what controls // the VLOG at the caller site forever break; } } // Cache the vlog value pointer if --vmodule flag has been parsed. ANNOTATE_BENIGN_RACE(site_flag, "*site_flag may be written by several threads," " but the value will be the same"); if (read_vmodule_flag) { site_flag->level = site_flag_value; // If VLOG flag has been cached to the default site pointer, // we want to add to the cached list in order to invalidate in case // SetVModule is called afterwards with new modules. // The performance penalty here is neglible, because InitVLOG3__ is called // once per site. if (site_flag_value == level_default && !site_flag->base_name) { site_flag->base_name = base; site_flag->base_len = base_length; site_flag->next = cached_site_list; cached_site_list = site_flag; } } // restore the errno in case something recoverable went wrong during // the initialization of the VLOG mechanism (see above note "protect the..") errno = old_errno; return *site_flag_value >= verbose_level; } _END_GOOGLE_NAMESPACE_ glog-0.6.0/src/windows/000077500000000000000000000000001422266545700147435ustar00rootroot00000000000000glog-0.6.0/src/windows/dirent.h000066400000000000000000000642271422266545700164140ustar00rootroot00000000000000/* * Dirent interface for Microsoft Visual Studio * * Copyright (C) 1998-2019 Toni Ronkko * This file is part of dirent. Dirent may be freely distributed * under the MIT license. For all details and documentation, see * https://github.com/tronkko/dirent */ #ifndef DIRENT_H #define DIRENT_H /* Hide warnings about unreferenced local functions */ #if defined(__clang__) # pragma clang diagnostic ignored "-Wunused-function" #elif defined(_MSC_VER) # pragma warning(disable:4505) #elif defined(__GNUC__) # pragma GCC diagnostic ignored "-Wunused-function" #endif /* * Include windows.h without Windows Sockets 1.1 to prevent conflicts with * Windows Sockets 2.0. */ #ifndef WIN32_LEAN_AND_MEAN # define WIN32_LEAN_AND_MEAN #endif #include #include #include #include #include #include #include #include #include /* Indicates that d_type field is available in dirent structure */ #define _DIRENT_HAVE_D_TYPE /* Indicates that d_namlen field is available in dirent structure */ #define _DIRENT_HAVE_D_NAMLEN /* Entries missing from MSVC 6.0 */ #if !defined(FILE_ATTRIBUTE_DEVICE) # define FILE_ATTRIBUTE_DEVICE 0x40 #endif /* File type and permission flags for stat(), general mask */ #if !defined(S_IFMT) # define S_IFMT _S_IFMT #endif /* Directory bit */ #if !defined(S_IFDIR) # define S_IFDIR _S_IFDIR #endif /* Character device bit */ #if !defined(S_IFCHR) # define S_IFCHR _S_IFCHR #endif /* Pipe bit */ #if !defined(S_IFFIFO) # define S_IFFIFO _S_IFFIFO #endif /* Regular file bit */ #if !defined(S_IFREG) # define S_IFREG _S_IFREG #endif /* Read permission */ #if !defined(S_IREAD) # define S_IREAD _S_IREAD #endif /* Write permission */ #if !defined(S_IWRITE) # define S_IWRITE _S_IWRITE #endif /* Execute permission */ #if !defined(S_IEXEC) # define S_IEXEC _S_IEXEC #endif /* Pipe */ #if !defined(S_IFIFO) # define S_IFIFO _S_IFIFO #endif /* Block device */ #if !defined(S_IFBLK) # define S_IFBLK 0 #endif /* Link */ #if !defined(S_IFLNK) # define S_IFLNK 0 #endif /* Socket */ #if !defined(S_IFSOCK) # define S_IFSOCK 0 #endif /* Read user permission */ #if !defined(S_IRUSR) # define S_IRUSR S_IREAD #endif /* Write user permission */ #if !defined(S_IWUSR) # define S_IWUSR S_IWRITE #endif /* Execute user permission */ #if !defined(S_IXUSR) # define S_IXUSR 0 #endif /* Read group permission */ #if !defined(S_IRGRP) # define S_IRGRP 0 #endif /* Write group permission */ #if !defined(S_IWGRP) # define S_IWGRP 0 #endif /* Execute group permission */ #if !defined(S_IXGRP) # define S_IXGRP 0 #endif /* Read others permission */ #if !defined(S_IROTH) # define S_IROTH 0 #endif /* Write others permission */ #if !defined(S_IWOTH) # define S_IWOTH 0 #endif /* Execute others permission */ #if !defined(S_IXOTH) # define S_IXOTH 0 #endif /* Maximum length of file name */ #if !defined(PATH_MAX) # define PATH_MAX MAX_PATH #endif #if !defined(FILENAME_MAX) # define FILENAME_MAX MAX_PATH #endif #if !defined(NAME_MAX) # define NAME_MAX FILENAME_MAX #endif /* File type flags for d_type */ #define DT_UNKNOWN 0 #define DT_REG S_IFREG #define DT_DIR S_IFDIR #define DT_FIFO S_IFIFO #define DT_SOCK S_IFSOCK #define DT_CHR S_IFCHR #define DT_BLK S_IFBLK #define DT_LNK S_IFLNK /* Macros for converting between st_mode and d_type */ #define IFTODT(mode) ((mode) & S_IFMT) #define DTTOIF(type) (type) /* * File type macros. Note that block devices, sockets and links cannot be * distinguished on Windows and the macros S_ISBLK, S_ISSOCK and S_ISLNK are * only defined for compatibility. These macros should always return false * on Windows. */ #if !defined(S_ISFIFO) # define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO) #endif #if !defined(S_ISDIR) # define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) #endif #if !defined(S_ISREG) # define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG) #endif #if !defined(S_ISLNK) # define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) #endif #if !defined(S_ISSOCK) # define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK) #endif #if !defined(S_ISCHR) # define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR) #endif #if !defined(S_ISBLK) # define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK) #endif /* Return the exact length of the file name without zero terminator */ #define _D_EXACT_NAMLEN(p) ((p)->d_namlen) /* Return the maximum size of a file name */ #define _D_ALLOC_NAMLEN(p) ((PATH_MAX)+1) #ifdef __cplusplus extern "C" { #endif /* Wide-character version */ struct _wdirent { /* Always zero */ long d_ino; /* File position within stream */ long d_off; /* Structure size */ unsigned short d_reclen; /* Length of name without \0 */ size_t d_namlen; /* File type */ int d_type; /* File name */ wchar_t d_name[PATH_MAX+1]; }; typedef struct _wdirent _wdirent; struct _WDIR { /* Current directory entry */ struct _wdirent ent; /* Private file data */ WIN32_FIND_DATAW data; /* True if data is valid */ int cached; /* Win32 search handle */ HANDLE handle; /* Initial directory name */ wchar_t *patt; }; typedef struct _WDIR _WDIR; /* Multi-byte character version */ struct dirent { /* Always zero */ long d_ino; /* File position within stream */ long d_off; /* Structure size */ unsigned short d_reclen; /* Length of name without \0 */ size_t d_namlen; /* File type */ int d_type; /* File name */ char d_name[PATH_MAX+1]; }; typedef struct dirent dirent; struct DIR { struct dirent ent; struct _WDIR *wdirp; }; typedef struct DIR DIR; /* Dirent functions */ static DIR *opendir (const char *dirname); static _WDIR *_wopendir (const wchar_t *dirname); static struct dirent *readdir (DIR *dirp); static struct _wdirent *_wreaddir (_WDIR *dirp); static int readdir_r( DIR *dirp, struct dirent *entry, struct dirent **result); static int _wreaddir_r( _WDIR *dirp, struct _wdirent *entry, struct _wdirent **result); static int closedir (DIR *dirp); static int _wclosedir (_WDIR *dirp); static void rewinddir (DIR* dirp); static void _wrewinddir (_WDIR* dirp); static int scandir (const char *dirname, struct dirent ***namelist, int (*filter)(const struct dirent*), int (*compare)(const struct dirent**, const struct dirent**)); static int alphasort (const struct dirent **a, const struct dirent **b); static int versionsort (const struct dirent **a, const struct dirent **b); /* For compatibility with Symbian */ #define wdirent _wdirent #define WDIR _WDIR #define wopendir _wopendir #define wreaddir _wreaddir #define wclosedir _wclosedir #define wrewinddir _wrewinddir /* Internal utility functions */ static WIN32_FIND_DATAW *dirent_first (_WDIR *dirp); static WIN32_FIND_DATAW *dirent_next (_WDIR *dirp); static int dirent_mbstowcs_s( size_t *pReturnValue, wchar_t *wcstr, size_t sizeInWords, const char *mbstr, size_t count); static int dirent_wcstombs_s( size_t *pReturnValue, char *mbstr, size_t sizeInBytes, const wchar_t *wcstr, size_t count); static void dirent_set_errno (int error); /* * Open directory stream DIRNAME for read and return a pointer to the * internal working area that is used to retrieve individual directory * entries. */ static _WDIR* _wopendir( const wchar_t *dirname) { _WDIR *dirp; DWORD n; wchar_t *p; /* Must have directory name */ if (dirname == NULL || dirname[0] == '\0') { dirent_set_errno (ENOENT); return NULL; } /* Allocate new _WDIR structure */ dirp = (_WDIR*) malloc (sizeof (struct _WDIR)); if (!dirp) { return NULL; } /* Reset _WDIR structure */ dirp->handle = INVALID_HANDLE_VALUE; dirp->patt = NULL; dirp->cached = 0; /* * Compute the length of full path plus zero terminator * * Note that on WinRT there's no way to convert relative paths * into absolute paths, so just assume it is an absolute path. */ #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) /* Desktop */ n = GetFullPathNameW (dirname, 0, NULL, NULL); #else /* WinRT */ n = wcslen (dirname); #endif /* Allocate room for absolute directory name and search pattern */ dirp->patt = (wchar_t*) malloc (sizeof (wchar_t) * n + 16); if (dirp->patt == NULL) { goto exit_closedir; } /* * Convert relative directory name to an absolute one. This * allows rewinddir() to function correctly even when current * working directory is changed between opendir() and rewinddir(). * * Note that on WinRT there's no way to convert relative paths * into absolute paths, so just assume it is an absolute path. */ #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) /* Desktop */ n = GetFullPathNameW (dirname, n, dirp->patt, NULL); if (n <= 0) { goto exit_closedir; } #else /* WinRT */ wcsncpy_s (dirp->patt, n+1, dirname, n); #endif /* Append search pattern \* to the directory name */ p = dirp->patt + n; switch (p[-1]) { case '\\': case '/': case ':': /* Directory ends in path separator, e.g. c:\temp\ */ /*NOP*/; break; default: /* Directory name doesn't end in path separator */ *p++ = '\\'; } *p++ = '*'; *p = '\0'; /* Open directory stream and retrieve the first entry */ if (!dirent_first (dirp)) { goto exit_closedir; } /* Success */ return dirp; /* Failure */ exit_closedir: _wclosedir (dirp); return NULL; } /* * Read next directory entry. * * Returns pointer to static directory entry which may be overwritten by * subsequent calls to _wreaddir(). */ static struct _wdirent* _wreaddir( _WDIR *dirp) { struct _wdirent *entry; /* * Read directory entry to buffer. We can safely ignore the return value * as entry will be set to NULL in case of error. */ (void) _wreaddir_r (dirp, &dirp->ent, &entry); /* Return pointer to statically allocated directory entry */ return entry; } /* * Read next directory entry. * * Returns zero on success. If end of directory stream is reached, then sets * result to NULL and returns zero. */ static int _wreaddir_r( _WDIR *dirp, struct _wdirent *entry, struct _wdirent **result) { WIN32_FIND_DATAW *datap; /* Read next directory entry */ datap = dirent_next (dirp); if (datap) { size_t n; DWORD attr; /* * Copy file name as wide-character string. If the file name is too * long to fit in to the destination buffer, then truncate file name * to PATH_MAX characters and zero-terminate the buffer. */ n = 0; while (n < PATH_MAX && datap->cFileName[n] != 0) { entry->d_name[n] = datap->cFileName[n]; n++; } entry->d_name[n] = 0; /* Length of file name excluding zero terminator */ entry->d_namlen = n; /* File type */ attr = datap->dwFileAttributes; if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) { entry->d_type = DT_CHR; } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) { entry->d_type = DT_DIR; } else { entry->d_type = DT_REG; } /* Reset dummy fields */ entry->d_ino = 0; entry->d_off = 0; entry->d_reclen = sizeof (struct _wdirent); /* Set result address */ *result = entry; } else { /* Return NULL to indicate end of directory */ *result = NULL; } return /*OK*/0; } /* * Close directory stream opened by opendir() function. This invalidates the * DIR structure as well as any directory entry read previously by * _wreaddir(). */ static int _wclosedir( _WDIR *dirp) { int ok; if (dirp) { /* Release search handle */ if (dirp->handle != INVALID_HANDLE_VALUE) { FindClose (dirp->handle); } /* Release search pattern */ free (dirp->patt); /* Release directory structure */ free (dirp); ok = /*success*/0; } else { /* Invalid directory stream */ dirent_set_errno (EBADF); ok = /*failure*/-1; } return ok; } /* * Rewind directory stream such that _wreaddir() returns the very first * file name again. */ static void _wrewinddir( _WDIR* dirp) { if (dirp) { /* Release existing search handle */ if (dirp->handle != INVALID_HANDLE_VALUE) { FindClose (dirp->handle); } /* Open new search handle */ dirent_first (dirp); } } /* Get first directory entry (internal) */ static WIN32_FIND_DATAW* dirent_first( _WDIR *dirp) { WIN32_FIND_DATAW *datap; DWORD error; /* Open directory and retrieve the first entry */ dirp->handle = FindFirstFileExW( dirp->patt, FindExInfoStandard, &dirp->data, FindExSearchNameMatch, NULL, 0); if (dirp->handle != INVALID_HANDLE_VALUE) { /* a directory entry is now waiting in memory */ datap = &dirp->data; dirp->cached = 1; } else { /* Failed to open directory: no directory entry in memory */ dirp->cached = 0; datap = NULL; /* Set error code */ error = GetLastError (); switch (error) { case ERROR_ACCESS_DENIED: /* No read access to directory */ dirent_set_errno (EACCES); break; case ERROR_DIRECTORY: /* Directory name is invalid */ dirent_set_errno (ENOTDIR); break; case ERROR_PATH_NOT_FOUND: default: /* Cannot find the file */ dirent_set_errno (ENOENT); } } return datap; } /* * Get next directory entry (internal). * * Returns */ static WIN32_FIND_DATAW* dirent_next( _WDIR *dirp) { WIN32_FIND_DATAW *p; /* Get next directory entry */ if (dirp->cached != 0) { /* A valid directory entry already in memory */ p = &dirp->data; dirp->cached = 0; } else if (dirp->handle != INVALID_HANDLE_VALUE) { /* Get the next directory entry from stream */ if (FindNextFileW (dirp->handle, &dirp->data) != FALSE) { /* Got a file */ p = &dirp->data; } else { /* The very last entry has been processed or an error occurred */ FindClose (dirp->handle); dirp->handle = INVALID_HANDLE_VALUE; p = NULL; } } else { /* End of directory stream reached */ p = NULL; } return p; } /* * Open directory stream using plain old C-string. */ static DIR* opendir( const char *dirname) { struct DIR *dirp; /* Must have directory name */ if (dirname == NULL || dirname[0] == '\0') { dirent_set_errno (ENOENT); return NULL; } /* Allocate memory for DIR structure */ dirp = (DIR*) malloc (sizeof (struct DIR)); if (!dirp) { return NULL; } { int error; wchar_t wname[PATH_MAX + 1]; size_t n; /* Convert directory name to wide-character string */ error = dirent_mbstowcs_s( &n, wname, PATH_MAX + 1, dirname, PATH_MAX + 1); if (error) { /* * Cannot convert file name to wide-character string. This * occurs if the string contains invalid multi-byte sequences or * the output buffer is too small to contain the resulting * string. */ goto exit_free; } /* Open directory stream using wide-character name */ dirp->wdirp = _wopendir (wname); if (!dirp->wdirp) { goto exit_free; } } /* Success */ return dirp; /* Failure */ exit_free: free (dirp); return NULL; } /* * Read next directory entry. */ static struct dirent* readdir( DIR *dirp) { struct dirent *entry; /* * Read directory entry to buffer. We can safely ignore the return value * as entry will be set to NULL in case of error. */ (void) readdir_r (dirp, &dirp->ent, &entry); /* Return pointer to statically allocated directory entry */ return entry; } /* * Read next directory entry into called-allocated buffer. * * Returns zero on success. If the end of directory stream is reached, then * sets result to NULL and returns zero. */ static int readdir_r( DIR *dirp, struct dirent *entry, struct dirent **result) { WIN32_FIND_DATAW *datap; /* Read next directory entry */ datap = dirent_next (dirp->wdirp); if (datap) { size_t n; int error; /* Attempt to convert file name to multi-byte string */ error = dirent_wcstombs_s( &n, entry->d_name, PATH_MAX + 1, datap->cFileName, PATH_MAX + 1); /* * If the file name cannot be represented by a multi-byte string, * then attempt to use old 8+3 file name. This allows traditional * Unix-code to access some file names despite of unicode * characters, although file names may seem unfamiliar to the user. * * Be ware that the code below cannot come up with a short file * name unless the file system provides one. At least * VirtualBox shared folders fail to do this. */ if (error && datap->cAlternateFileName[0] != '\0') { error = dirent_wcstombs_s( &n, entry->d_name, PATH_MAX + 1, datap->cAlternateFileName, PATH_MAX + 1); } if (!error) { DWORD attr; /* Length of file name excluding zero terminator */ entry->d_namlen = n - 1; /* File attributes */ attr = datap->dwFileAttributes; if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) { entry->d_type = DT_CHR; } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) { entry->d_type = DT_DIR; } else { entry->d_type = DT_REG; } /* Reset dummy fields */ entry->d_ino = 0; entry->d_off = 0; entry->d_reclen = sizeof (struct dirent); } else { /* * Cannot convert file name to multi-byte string so construct * an erroneous directory entry and return that. Note that * we cannot return NULL as that would stop the processing * of directory entries completely. */ entry->d_name[0] = '?'; entry->d_name[1] = '\0'; entry->d_namlen = 1; entry->d_type = DT_UNKNOWN; entry->d_ino = 0; entry->d_off = -1; entry->d_reclen = 0; } /* Return pointer to directory entry */ *result = entry; } else { /* No more directory entries */ *result = NULL; } return /*OK*/0; } /* * Close directory stream. */ static int closedir( DIR *dirp) { int ok; if (dirp) { /* Close wide-character directory stream */ ok = _wclosedir (dirp->wdirp); dirp->wdirp = NULL; /* Release multi-byte character version */ free (dirp); } else { /* Invalid directory stream */ dirent_set_errno (EBADF); ok = /*failure*/-1; } return ok; } /* * Rewind directory stream to beginning. */ static void rewinddir( DIR* dirp) { /* Rewind wide-character string directory stream */ _wrewinddir (dirp->wdirp); } /* * Scan directory for entries. */ static int scandir( const char *dirname, struct dirent ***namelist, int (*filter)(const struct dirent*), int (*compare)(const struct dirent**, const struct dirent**)) { struct dirent **files = NULL; size_t size = 0; size_t allocated = 0; const size_t init_size = 1; DIR *dir = NULL; struct dirent *entry; struct dirent *tmp = NULL; size_t i; int result = 0; /* Open directory stream */ dir = opendir (dirname); if (dir) { /* Read directory entries to memory */ while (1) { /* Enlarge pointer table to make room for another pointer */ if (size >= allocated) { void *p; size_t num_entries; /* Compute number of entries in the enlarged pointer table */ if (size < init_size) { /* Allocate initial pointer table */ num_entries = init_size; } else { /* Double the size */ num_entries = size * 2; } /* Allocate first pointer table or enlarge existing table */ p = realloc (files, sizeof (void*) * num_entries); if (p != NULL) { /* Got the memory */ files = (dirent**) p; allocated = num_entries; } else { /* Out of memory */ result = -1; break; } } /* Allocate room for temporary directory entry */ if (tmp == NULL) { tmp = (struct dirent*) malloc (sizeof (struct dirent)); if (tmp == NULL) { /* Cannot allocate temporary directory entry */ result = -1; break; } } /* Read directory entry to temporary area */ if (readdir_r (dir, tmp, &entry) == /*OK*/0) { /* Did we get an entry? */ if (entry != NULL) { int pass; /* Determine whether to include the entry in result */ if (filter) { /* Let the filter function decide */ pass = filter (tmp); } else { /* No filter function, include everything */ pass = 1; } if (pass) { /* Store the temporary entry to pointer table */ files[size++] = tmp; tmp = NULL; /* Keep up with the number of files */ result++; } } else { /* * End of directory stream reached => sort entries and * exit. */ qsort (files, size, sizeof (void*), (int (*) (const void*, const void*)) compare); break; } } else { /* Error reading directory entry */ result = /*Error*/ -1; break; } } } else { /* Cannot open directory */ result = /*Error*/ -1; } /* Release temporary directory entry */ free (tmp); /* Release allocated memory on error */ if (result < 0) { for (i = 0; i < size; i++) { free (files[i]); } free (files); files = NULL; } /* Close directory stream */ if (dir) { closedir (dir); } /* Pass pointer table to caller */ if (namelist) { *namelist = files; } return result; } /* Alphabetical sorting */ static int alphasort( const struct dirent **a, const struct dirent **b) { return strcoll ((*a)->d_name, (*b)->d_name); } /* Sort versions */ static int versionsort( const struct dirent **a, const struct dirent **b) { /* FIXME: implement strverscmp and use that */ return alphasort (a, b); } /* Convert multi-byte string to wide character string */ static int dirent_mbstowcs_s( size_t *pReturnValue, wchar_t *wcstr, size_t sizeInWords, const char *mbstr, size_t count) { int error; #if defined(_MSC_VER) && _MSC_VER >= 1400 /* Microsoft Visual Studio 2005 or later */ error = mbstowcs_s (pReturnValue, wcstr, sizeInWords, mbstr, count); #else /* Older Visual Studio or non-Microsoft compiler */ size_t n; /* Convert to wide-character string (or count characters) */ n = mbstowcs (wcstr, mbstr, sizeInWords); if (!wcstr || n < count) { /* Zero-terminate output buffer */ if (wcstr && sizeInWords) { if (n >= sizeInWords) { n = sizeInWords - 1; } wcstr[n] = 0; } /* Length of resulting multi-byte string WITH zero terminator */ if (pReturnValue) { *pReturnValue = n + 1; } /* Success */ error = 0; } else { /* Could not convert string */ error = 1; } #endif return error; } /* Convert wide-character string to multi-byte string */ static int dirent_wcstombs_s( size_t *pReturnValue, char *mbstr, size_t sizeInBytes, /* max size of mbstr */ const wchar_t *wcstr, size_t count) { int error; #if defined(_MSC_VER) && _MSC_VER >= 1400 /* Microsoft Visual Studio 2005 or later */ error = wcstombs_s (pReturnValue, mbstr, sizeInBytes, wcstr, count); #else /* Older Visual Studio or non-Microsoft compiler */ size_t n; /* Convert to multi-byte string (or count the number of bytes needed) */ n = wcstombs (mbstr, wcstr, sizeInBytes); if (!mbstr || n < count) { /* Zero-terminate output buffer */ if (mbstr && sizeInBytes) { if (n >= sizeInBytes) { n = sizeInBytes - 1; } mbstr[n] = '\0'; } /* Length of resulting multi-bytes string WITH zero-terminator */ if (pReturnValue) { *pReturnValue = n + 1; } /* Success */ error = 0; } else { /* Cannot convert string */ error = 1; } #endif return error; } /* Set errno variable */ static void dirent_set_errno( int error) { #if defined(_MSC_VER) && _MSC_VER >= 1400 /* Microsoft Visual Studio 2005 and later */ _set_errno (error); #else /* Non-Microsoft compiler or older Microsoft compiler */ errno = error; #endif } #ifdef __cplusplus } #endif #endif /*DIRENT_H*/ glog-0.6.0/src/windows/port.cc000077500000000000000000000052701422266545700162450ustar00rootroot00000000000000/* Copyright (c) 2008, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * --- * Author: Craig Silverstein * Copied from google-perftools and modified by Shinichiro Hamaji */ #ifndef _WIN32 # error You should only be including windows/port.cc in a windows environment! #endif #include "config.h" #include // for va_list, va_start, va_end #include "port.h" // These call the windows _vsnprintf, but always NUL-terminate. int safe_vsnprintf(char *str, size_t size, const char *format, va_list ap) { if (size == 0) // not even room for a \0? return -1; // not what C99 says to do, but what windows does str[size-1] = '\0'; return _vsnprintf(str, size-1, format, ap); } #ifndef HAVE_LOCALTIME_R struct tm* localtime_r(const time_t* timep, struct tm* result) { localtime_s(result, timep); return result; } #endif // not HAVE_LOCALTIME_R #ifndef HAVE_GMTIME_R struct tm* gmtime_r(const time_t* timep, struct tm* result) { gmtime_s(result, timep); return result; } #endif // not HAVE_GMTIME_R #ifndef HAVE_SNPRINTF int snprintf(char *str, size_t size, const char *format, ...) { va_list ap; va_start(ap, format); const int r = vsnprintf(str, size, format, ap); va_end(ap); return r; } #endif glog-0.6.0/src/windows/port.h000077500000000000000000000145471422266545700161160ustar00rootroot00000000000000/* Copyright (c) 2008, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * --- * Author: Craig Silverstein * Copied from google-perftools and modified by Shinichiro Hamaji * * These are some portability typedefs and defines to make it a bit * easier to compile this code under VC++. * * Several of these are taken from glib: * http://developer.gnome.org/doc/API/glib/glib-windows-compatability-functions.html */ #ifndef CTEMPLATE_WINDOWS_PORT_H_ #define CTEMPLATE_WINDOWS_PORT_H_ #include "config.h" #ifdef _WIN32 #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN /* We always want minimal includes */ #endif #include #include /* for gethostname */ #include /* because we so often use open/close/etc */ #include /* for _getcwd() */ #include /* for _getpid() */ #include /* template_dictionary.cc uses va_copy */ #include /* read in vsnprintf decl. before redifining it */ #include /* for _strnicmp(), strerror_s() */ #include /* for localtime_s() */ /* Note: the C++ #includes are all together at the bottom. This file is * used by both C and C++ code, so we put all the C++ together. */ #include #ifdef _MSC_VER /* 4244: otherwise we get problems when substracting two size_t's to an int * 4251: it's complaining about a private struct I've chosen not to dllexport * 4355: we use this in a constructor, but we do it safely * 4715: for some reason VC++ stopped realizing you can't return after abort() * 4800: we know we're casting ints/char*'s to bools, and we're ok with that * 4996: Yes, we're ok using "unsafe" functions like fopen() and strerror() * 4312: Converting uint32_t to a pointer when testing %p * 4267: also subtracting two size_t to int * 4722: Destructor never returns due to abort() */ #pragma warning(disable:4244 4251 4355 4715 4800 4996 4267 4312 4722) /* file I/O */ #define PATH_MAX 1024 #define access _access #define getcwd _getcwd #define open _open #define read _read #define write _write #define lseek _lseek #define close _close #define popen _popen #define pclose _pclose #define R_OK 04 /* read-only (for access()) */ #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR) #define O_WRONLY _O_WRONLY #define O_CREAT _O_CREAT #define O_EXCL _O_EXCL #ifndef __MINGW32__ enum { STDIN_FILENO = 0, STDOUT_FILENO = 1, STDERR_FILENO = 2 }; #endif #define S_IRUSR S_IREAD #define S_IWUSR S_IWRITE /* Not quite as lightweight as a hard-link, but more than good enough for us. */ #define link(oldpath, newpath) CopyFileA(oldpath, newpath, false) #define strcasecmp _stricmp #define strncasecmp _strnicmp /* In windows-land, hash<> is called hash_compare<> (from xhash.h) */ /* VC11 provides std::hash */ #if defined(_MSC_VER) && (_MSC_VER < 1700) #define hash hash_compare #endif /* Sleep is in ms, on windows */ #define sleep(secs) Sleep((secs) * 1000) /* We can't just use _vsnprintf and _snprintf as drop-in-replacements, * because they don't always NUL-terminate. :-( We also can't use the * name vsnprintf, since windows defines that (but not snprintf (!)). */ #ifndef HAVE_SNPRINTF extern int GLOG_EXPORT snprintf(char* str, size_t size, const char* format, ...); #endif extern int GLOG_EXPORT safe_vsnprintf(char* str, size_t size, const char* format, va_list ap); #define vsnprintf(str, size, format, ap) safe_vsnprintf(str, size, format, ap) #ifndef va_copy #define va_copy(dst, src) (dst) = (src) #endif /* Windows doesn't support specifying the number of buckets as a * hash_map constructor arg, so we leave this blank. */ #define CTEMPLATE_SMALL_HASHTABLE #define DEFAULT_TEMPLATE_ROOTDIR ".." // ----------------------------------- SYSTEM/PROCESS typedef int pid_t; #define getpid _getpid #endif // _MSC_VER // ----------------------------------- THREADS #if defined(HAVE_PTHREAD) # include #else // no PTHREAD typedef DWORD pthread_t; typedef DWORD pthread_key_t; typedef LONG pthread_once_t; enum { PTHREAD_ONCE_INIT = 0 }; // important that this be 0! for SpinLock #define pthread_self GetCurrentThreadId #define pthread_equal(pthread_t_1, pthread_t_2) ((pthread_t_1)==(pthread_t_2)) #endif // HAVE_PTHREAD #ifndef HAVE_LOCALTIME_R extern GLOG_EXPORT struct tm* localtime_r(const time_t* timep, struct tm* result); #endif // not HAVE_LOCALTIME_R #ifndef HAVE_GMTIME_R extern GLOG_EXPORT struct tm* gmtime_r(const time_t* timep, struct tm* result); #endif // not HAVE_GMTIME_R inline char* strerror_r(int errnum, char* buf, size_t buflen) { strerror_s(buf, buflen, errnum); return buf; } #ifndef __cplusplus /* I don't see how to get inlining for C code in MSVC. Ah well. */ #define inline #endif #endif /* _WIN32 */ #endif /* CTEMPLATE_WINDOWS_PORT_H_ */