diff options
Diffstat (limited to 'src/mongo/util/exception_filter_win32.cpp')
| -rw-r--r-- | src/mongo/util/exception_filter_win32.cpp | 266 |
1 files changed, 132 insertions, 134 deletions
diff --git a/src/mongo/util/exception_filter_win32.cpp b/src/mongo/util/exception_filter_win32.cpp index cedb1b9d3dd..93167567339 100644 --- a/src/mongo/util/exception_filter_win32.cpp +++ b/src/mongo/util/exception_filter_win32.cpp @@ -45,152 +45,150 @@ namespace mongo { - namespace { - /* create a process dump. - To use, load up windbg. Set your symbol and source path. - Open the crash dump file. To see the crashing context, use .ecxr in windbg - TODO: consider using WER local dumps in the future - */ - void doMinidumpWithException(struct _EXCEPTION_POINTERS* exceptionInfo) { - WCHAR moduleFileName[MAX_PATH]; - - DWORD ret = GetModuleFileNameW(NULL, &moduleFileName[0], ARRAYSIZE(moduleFileName)); - if (ret == 0) { - int gle = GetLastError(); - log() << "GetModuleFileName failed " << errnoWithDescription(gle); - - // Fallback name - wcscpy_s(moduleFileName, L"mongo"); - } - else { - WCHAR* dotStr = wcschr(&moduleFileName[0], L'.'); - if (dotStr != NULL) { - *dotStr = L'\0'; - } - } - - std::wstring dumpName(moduleFileName); - - std::string currentTime = terseCurrentTime(false); - - dumpName += L"."; - - dumpName += toWideString(currentTime.c_str()); - - dumpName += L".mdmp"; - - HANDLE hFile = CreateFileW(dumpName.c_str(), - GENERIC_WRITE, - 0, - NULL, - CREATE_ALWAYS, - FILE_ATTRIBUTE_NORMAL, - NULL); - if ( INVALID_HANDLE_VALUE == hFile ) { - DWORD lasterr = GetLastError(); - log() << "failed to open minidump file " << toUtf8String(dumpName.c_str()) << " : " - << errnoWithDescription( lasterr ) << std::endl; - return; - } - - MINIDUMP_EXCEPTION_INFORMATION aMiniDumpInfo; - aMiniDumpInfo.ThreadId = GetCurrentThreadId(); - aMiniDumpInfo.ExceptionPointers = exceptionInfo; - aMiniDumpInfo.ClientPointers = FALSE; - - MINIDUMP_TYPE miniDumpType = - #ifdef MONGO_CONFIG_DEBUG_BUILD - MiniDumpWithFullMemory; - #else - static_cast<MINIDUMP_TYPE>( - MiniDumpNormal - | MiniDumpWithIndirectlyReferencedMemory - | MiniDumpWithProcessThreadData); - #endif - log() << "writing minidump diagnostic file " << toUtf8String(dumpName.c_str()) << std::endl; - - BOOL bstatus = MiniDumpWriteDump(GetCurrentProcess(), - GetCurrentProcessId(), - hFile, - miniDumpType, - exceptionInfo != NULL ? &aMiniDumpInfo : NULL, - NULL, - NULL); - if ( FALSE == bstatus ) { - DWORD lasterr = GetLastError(); - log() << "failed to create minidump : " - << errnoWithDescription( lasterr ) << std::endl; - } - - CloseHandle(hFile); +namespace { +/* create a process dump. + To use, load up windbg. Set your symbol and source path. + Open the crash dump file. To see the crashing context, use .ecxr in windbg + TODO: consider using WER local dumps in the future + */ +void doMinidumpWithException(struct _EXCEPTION_POINTERS* exceptionInfo) { + WCHAR moduleFileName[MAX_PATH]; + + DWORD ret = GetModuleFileNameW(NULL, &moduleFileName[0], ARRAYSIZE(moduleFileName)); + if (ret == 0) { + int gle = GetLastError(); + log() << "GetModuleFileName failed " << errnoWithDescription(gle); + + // Fallback name + wcscpy_s(moduleFileName, L"mongo"); + } else { + WCHAR* dotStr = wcschr(&moduleFileName[0], L'.'); + if (dotStr != NULL) { + *dotStr = L'\0'; } + } - LONG WINAPI exceptionFilter( struct _EXCEPTION_POINTERS *excPointers ) { - char exceptionString[128]; - sprintf_s( exceptionString, sizeof( exceptionString ), - ( excPointers->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ) ? - "(access violation)" : "0x%08X", excPointers->ExceptionRecord->ExceptionCode ); - char addressString[32]; - sprintf_s( addressString, sizeof( addressString ), "0x%p", - excPointers->ExceptionRecord->ExceptionAddress ); - log() << "*** unhandled exception " << exceptionString - << " at " << addressString << ", terminating" << std::endl; - if ( excPointers->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ) { - ULONG acType = excPointers->ExceptionRecord->ExceptionInformation[0]; - const char* acTypeString; - switch ( acType ) { - case 0: - acTypeString = "read from"; - break; - case 1: - acTypeString = "write to"; - break; - case 8: - acTypeString = "DEP violation at"; - break; - default: - acTypeString = "unknown violation at"; - break; - } - sprintf_s( addressString, sizeof( addressString ), " 0x%p", - excPointers->ExceptionRecord->ExceptionInformation[1] ); - log() << "*** access violation was a " << acTypeString << addressString << std::endl; - } - - log() << "*** stack trace for unhandled exception:" << std::endl; - - // Create a copy of context record because printWindowsStackTrace will mutate it. - CONTEXT contextCopy(*(excPointers->ContextRecord)); - - printWindowsStackTrace( contextCopy ); - - doMinidumpWithException(excPointers); - - // Don't go through normal shutdown procedure. It may make things worse. - log() << "*** immediate exit due to unhandled exception" << std::endl; - quickExit(EXIT_ABRUPT); - - // We won't reach here - return EXCEPTION_EXECUTE_HANDLER; - } + std::wstring dumpName(moduleFileName); + + std::string currentTime = terseCurrentTime(false); + + dumpName += L"."; + + dumpName += toWideString(currentTime.c_str()); + + dumpName += L".mdmp"; + + HANDLE hFile = CreateFileW( + dumpName.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); + if (INVALID_HANDLE_VALUE == hFile) { + DWORD lasterr = GetLastError(); + log() << "failed to open minidump file " << toUtf8String(dumpName.c_str()) << " : " + << errnoWithDescription(lasterr) << std::endl; + return; } - void doMinidump() { - doMinidumpWithException(NULL); + MINIDUMP_EXCEPTION_INFORMATION aMiniDumpInfo; + aMiniDumpInfo.ThreadId = GetCurrentThreadId(); + aMiniDumpInfo.ExceptionPointers = exceptionInfo; + aMiniDumpInfo.ClientPointers = FALSE; + + MINIDUMP_TYPE miniDumpType = +#ifdef MONGO_CONFIG_DEBUG_BUILD + MiniDumpWithFullMemory; +#else + static_cast<MINIDUMP_TYPE>(MiniDumpNormal | MiniDumpWithIndirectlyReferencedMemory | + MiniDumpWithProcessThreadData); +#endif + log() << "writing minidump diagnostic file " << toUtf8String(dumpName.c_str()) << std::endl; + + BOOL bstatus = MiniDumpWriteDump(GetCurrentProcess(), + GetCurrentProcessId(), + hFile, + miniDumpType, + exceptionInfo != NULL ? &aMiniDumpInfo : NULL, + NULL, + NULL); + if (FALSE == bstatus) { + DWORD lasterr = GetLastError(); + log() << "failed to create minidump : " << errnoWithDescription(lasterr) << std::endl; } - LPTOP_LEVEL_EXCEPTION_FILTER filtLast = 0; + CloseHandle(hFile); +} - void setWindowsUnhandledExceptionFilter() { - filtLast = SetUnhandledExceptionFilter(exceptionFilter); +LONG WINAPI exceptionFilter(struct _EXCEPTION_POINTERS* excPointers) { + char exceptionString[128]; + sprintf_s(exceptionString, + sizeof(exceptionString), + (excPointers->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) + ? "(access violation)" + : "0x%08X", + excPointers->ExceptionRecord->ExceptionCode); + char addressString[32]; + sprintf_s(addressString, + sizeof(addressString), + "0x%p", + excPointers->ExceptionRecord->ExceptionAddress); + log() << "*** unhandled exception " << exceptionString << " at " << addressString + << ", terminating" << std::endl; + if (excPointers->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) { + ULONG acType = excPointers->ExceptionRecord->ExceptionInformation[0]; + const char* acTypeString; + switch (acType) { + case 0: + acTypeString = "read from"; + break; + case 1: + acTypeString = "write to"; + break; + case 8: + acTypeString = "DEP violation at"; + break; + default: + acTypeString = "unknown violation at"; + break; + } + sprintf_s(addressString, + sizeof(addressString), + " 0x%p", + excPointers->ExceptionRecord->ExceptionInformation[1]); + log() << "*** access violation was a " << acTypeString << addressString << std::endl; } -} // namespace mongo + log() << "*** stack trace for unhandled exception:" << std::endl; + + // Create a copy of context record because printWindowsStackTrace will mutate it. + CONTEXT contextCopy(*(excPointers->ContextRecord)); + + printWindowsStackTrace(contextCopy); + + doMinidumpWithException(excPointers); + + // Don't go through normal shutdown procedure. It may make things worse. + log() << "*** immediate exit due to unhandled exception" << std::endl; + quickExit(EXIT_ABRUPT); + + // We won't reach here + return EXCEPTION_EXECUTE_HANDLER; +} +} + +void doMinidump() { + doMinidumpWithException(NULL); +} + +LPTOP_LEVEL_EXCEPTION_FILTER filtLast = 0; + +void setWindowsUnhandledExceptionFilter() { + filtLast = SetUnhandledExceptionFilter(exceptionFilter); +} + +} // namespace mongo #else namespace mongo { - void setWindowsUnhandledExceptionFilter() { } +void setWindowsUnhandledExceptionFilter() {} } -#endif // _WIN32 +#endif // _WIN32 |