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Diffstat (limited to 'sal/osl/w32/signal.cxx')
| -rw-r--r-- | sal/osl/w32/signal.cxx | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/sal/osl/w32/signal.cxx b/sal/osl/w32/signal.cxx new file mode 100644 index 000000000000..f893f7520d40 --- /dev/null +++ b/sal/osl/w32/signal.cxx @@ -0,0 +1,436 @@ +/************************************************************************* +* +* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +* +* Copyright 2000, 2010 Oracle and/or its affiliates. +* +* OpenOffice.org - a multi-platform office productivity suite +* +* This file is part of OpenOffice.org. +* +* OpenOffice.org is free software: you can redistribute it and/or modify +* it under the terms of the GNU Lesser General Public License version 3 +* only, as published by the Free Software Foundation. +* +* OpenOffice.org is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Lesser General Public License version 3 for more details +* (a copy is included in the LICENSE file that accompanied this code). +* +* You should have received a copy of the GNU Lesser General Public License +* version 3 along with OpenOffice.org. If not, see +* <http://www.openoffice.org/license.html> +* for a copy of the LGPLv3 License. +* +************************************************************************/ + +/* system headers */ +#include "system.h" +#include <tchar.h> + +#include "file_url.h" +#include "path_helper.hxx" + +#include <osl/diagnose.h> +#include <osl/mutex.h> +#include <osl/signal.h> +#ifndef __MINGW32__ +#include <DbgHelp.h> +#endif +#include <ErrorRep.h> +#include <systools/win32/uwinapi.h> + +typedef struct _oslSignalHandlerImpl +{ + oslSignalHandlerFunction Handler; + void* pData; + struct _oslSignalHandlerImpl* pNext; +} oslSignalHandlerImpl; + +static sal_Bool bErrorReportingEnabled = sal_True; +static sal_Bool bInitSignal = sal_False; +static oslMutex SignalListMutex; +static oslSignalHandlerImpl* SignalList; + +static long WINAPI SignalHandlerFunction(LPEXCEPTION_POINTERS lpEP); + +static sal_Bool InitSignal(void) +{ + HMODULE hFaultRep; + + SignalListMutex = osl_createMutex(); + + SetUnhandledExceptionFilter(SignalHandlerFunction); + + hFaultRep = LoadLibrary( "faultrep.dll" ); + if ( hFaultRep ) + { +#ifdef __MINGW32__ +typedef BOOL (WINAPI *pfn_ADDEREXCLUDEDAPPLICATIONW)(LPCWSTR); +#endif + pfn_ADDEREXCLUDEDAPPLICATIONW pfn = (pfn_ADDEREXCLUDEDAPPLICATIONW)GetProcAddress( hFaultRep, "AddERExcludedApplicationW" ); + if ( pfn ) + pfn( L"SOFFICE.EXE" ); + FreeLibrary( hFaultRep ); + } + + return sal_True; +} + +static sal_Bool DeInitSignal(void) +{ + SetUnhandledExceptionFilter(NULL); + + osl_destroyMutex(SignalListMutex); + + return sal_False; +} + +static oslSignalAction CallSignalHandler(oslSignalInfo *pInfo) +{ + oslSignalHandlerImpl* pHandler = SignalList; + oslSignalAction Action = osl_Signal_ActCallNextHdl; + + while (pHandler != NULL) + { + if ((Action = pHandler->Handler(pHandler->pData, pInfo)) != osl_Signal_ActCallNextHdl) + break; + + pHandler = pHandler->pNext; + } + + return Action; +} + +/*****************************************************************************/ +/* SignalHandlerFunction */ +/*****************************************************************************/ + +#define REPORTENV_PARAM "-crashreportenv:" +#define REPORTENV_PARAM2 "/crashreportenv:" + +static BOOL ReportCrash( LPEXCEPTION_POINTERS lpEP ) +{ + BOOL fSuccess = FALSE; + BOOL fAutoReport = FALSE; + TCHAR szBuffer[1024]; + ::osl::LongPathBuffer< sal_Char > aPath( MAX_LONG_PATH ); + LPTSTR lpFilePart; + PROCESS_INFORMATION ProcessInfo; + STARTUPINFO StartupInfo; + int argi; + + if ( !bErrorReportingEnabled ) + return FALSE; + + /* Check if crash reporter was disabled by command line */ + + for ( argi = 1; argi < __argc; argi++ ) + { + if ( + 0 == stricmp( __argv[argi], "-nocrashreport" ) || + 0 == stricmp( __argv[argi], "/nocrashreport" ) + ) + return FALSE; + else if ( + 0 == stricmp( __argv[argi], "-autocrashreport" ) || + 0 == stricmp( __argv[argi], "/autocrashreport" ) + ) + fAutoReport = TRUE; + else if ( + 0 == strnicmp( __argv[argi], REPORTENV_PARAM, strlen(REPORTENV_PARAM) ) || + 0 == strnicmp( __argv[argi], REPORTENV_PARAM2, strlen(REPORTENV_PARAM2) ) + ) + { + const char *envparam = __argv[argi] + strlen(REPORTENV_PARAM); + const char *delim = strchr(envparam, '=' ); + + if ( delim ) + { + CHAR *lpVariable; + CHAR *lpValue; + const char *variable = envparam; + size_t variable_len = delim - envparam; + const char *value = delim + 1; + size_t value_len = strlen(envparam) - variable_len - 1; + + if ( '\"' == *value ) + { + const char *quote; + + value++; + value_len--; + + quote = strchr( value, '\"' ); + if ( quote ) + value_len = quote - value; + } + + lpVariable = reinterpret_cast< CHAR* >( _alloca( variable_len + 1 ) ); + memcpy( lpVariable, variable, variable_len ); + lpVariable[variable_len] = 0; + + lpValue = reinterpret_cast< CHAR* >( _alloca( value_len + 1) ); + memcpy( lpValue, value, value_len ); + lpValue[value_len] = 0; + + SetEnvironmentVariable( lpVariable, lpValue ); + } + } + } + + if ( SearchPath( NULL, TEXT( "crashrep.exe" ), NULL, aPath.getBufSizeInSymbols(), aPath, &lpFilePart ) ) + { + ZeroMemory( &StartupInfo, sizeof(StartupInfo) ); + StartupInfo.cb = sizeof(StartupInfo.cb); + + + sntprintf( szBuffer, elementsof(szBuffer), + _T("%s -p %u -excp 0x%p -t %u%s"), + aPath, + GetCurrentProcessId(), + lpEP, + GetCurrentThreadId(), + fAutoReport ? _T(" -noui -send") : _T(" -noui") ); + + if ( + CreateProcess( + NULL, + szBuffer, + NULL, + NULL, + FALSE, +#ifdef UNICODE + CREATE_UNICODE_ENVIRONMENT, +#else + 0, +#endif + NULL, NULL, &StartupInfo, &ProcessInfo ) + ) + { + DWORD dwExitCode; + + WaitForSingleObject( ProcessInfo.hProcess, INFINITE ); + if ( GetExitCodeProcess( ProcessInfo.hProcess, &dwExitCode ) && 0 == dwExitCode ) + + fSuccess = TRUE; + + } + } + + return fSuccess; +} + +/*****************************************************************************/ +/* SignalHandlerFunction */ +/*****************************************************************************/ + +static BOOL WINAPI IsWin95A(void) +{ + OSVERSIONINFO ovi; + + ZeroMemory( &ovi, sizeof(ovi) ); + ovi.dwOSVersionInfoSize = sizeof(ovi); + + if ( GetVersionEx( &ovi ) ) + /* See MSDN January 2000 documentation of GetVersionEx */ + return (ovi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && + (ovi.dwMajorVersion <= 4) && + (ovi.dwMinorVersion == 0) && + (ovi.dwBuildNumber == 0x040003B6); + + /* Something wrent wrong. So assume we have an older operating prior Win95 */ + + return TRUE; +} + +/* magic Microsoft C++ compiler exception constant */ +#define EXCEPTION_MSC_CPP_EXCEPTION 0xe06d7363 + +static long WINAPI SignalHandlerFunction(LPEXCEPTION_POINTERS lpEP) +{ + static sal_Bool bNested = sal_False; + sal_Bool bRaiseCrashReporter = sal_False; + oslSignalInfo Info; + oslSignalAction Action; + + Info.UserSignal = lpEP->ExceptionRecord->ExceptionCode; + Info.UserData = NULL; + + switch (lpEP->ExceptionRecord->ExceptionCode) + { + /* Transform unhandled exceptions into access violations. + Microsoft C++ compiler (add more for other compilers if necessary). + */ + case EXCEPTION_MSC_CPP_EXCEPTION: + case EXCEPTION_ACCESS_VIOLATION: + Info.Signal = osl_Signal_AccessViolation; + bRaiseCrashReporter = sal_True; + break; + + case EXCEPTION_INT_DIVIDE_BY_ZERO: + Info.Signal = osl_Signal_IntegerDivideByZero; + bRaiseCrashReporter = sal_True; + break; + + case EXCEPTION_FLT_DIVIDE_BY_ZERO: + Info.Signal = osl_Signal_FloatDivideByZero; + bRaiseCrashReporter = sal_True; + break; + + case EXCEPTION_BREAKPOINT: + Info.Signal = osl_Signal_DebugBreak; + break; + + default: + Info.Signal = osl_Signal_System; + bRaiseCrashReporter = sal_True; + break; + } + + if ( !bNested ) + { + bNested = sal_True; + + if ( bRaiseCrashReporter && ReportCrash( lpEP ) || IsWin95A() ) + { + CallSignalHandler(&Info); + Action = osl_Signal_ActKillApp; + } + else + Action = CallSignalHandler(&Info); + } + else + Action = osl_Signal_ActKillApp; + + + switch ( Action ) + { + case osl_Signal_ActCallNextHdl: + return (EXCEPTION_CONTINUE_SEARCH); + + case osl_Signal_ActAbortApp: + return (EXCEPTION_EXECUTE_HANDLER); + + case osl_Signal_ActKillApp: + SetErrorMode(SEM_NOGPFAULTERRORBOX); + exit(255); + break; + default: + break; + } + + return (EXCEPTION_CONTINUE_EXECUTION); +} + +/*****************************************************************************/ +/* osl_addSignalHandler */ +/*****************************************************************************/ +oslSignalHandler SAL_CALL osl_addSignalHandler(oslSignalHandlerFunction Handler, void* pData) +{ + oslSignalHandlerImpl* pHandler; + + OSL_ASSERT(Handler != NULL); + + if (! bInitSignal) + bInitSignal = InitSignal(); + + pHandler = reinterpret_cast< oslSignalHandlerImpl* >( calloc( 1, sizeof(oslSignalHandlerImpl) ) ); + + if (pHandler != NULL) + { + pHandler->Handler = Handler; + pHandler->pData = pData; + + osl_acquireMutex(SignalListMutex); + + pHandler->pNext = SignalList; + SignalList = pHandler; + + osl_releaseMutex(SignalListMutex); + + return (pHandler); + } + + return (NULL); +} + +/*****************************************************************************/ +/* osl_removeSignalHandler */ +/*****************************************************************************/ +sal_Bool SAL_CALL osl_removeSignalHandler(oslSignalHandler Handler) +{ + oslSignalHandlerImpl *pHandler, *pPrevious = NULL; + + OSL_ASSERT(Handler != NULL); + + if (! bInitSignal) + bInitSignal = InitSignal(); + + osl_acquireMutex(SignalListMutex); + + pHandler = SignalList; + + while (pHandler != NULL) + { + if (pHandler == Handler) + { + if (pPrevious) + pPrevious->pNext = pHandler->pNext; + else + SignalList = pHandler->pNext; + + osl_releaseMutex(SignalListMutex); + + if (SignalList == NULL) + bInitSignal = DeInitSignal(); + + free(pHandler); + + return (sal_True); + } + + pPrevious = pHandler; + pHandler = pHandler->pNext; + } + + osl_releaseMutex(SignalListMutex); + + return (sal_False); +} + +/*****************************************************************************/ +/* osl_raiseSignal */ +/*****************************************************************************/ +oslSignalAction SAL_CALL osl_raiseSignal(sal_Int32 UserSignal, void* UserData) +{ + oslSignalInfo Info; + oslSignalAction Action; + + if (! bInitSignal) + bInitSignal = InitSignal(); + + osl_acquireMutex(SignalListMutex); + + Info.Signal = osl_Signal_User; + Info.UserSignal = UserSignal; + Info.UserData = UserData; + + Action = CallSignalHandler(&Info); + + osl_releaseMutex(SignalListMutex); + + return (Action); +} + +/*****************************************************************************/ +/* osl_setErrorReporting */ +/*****************************************************************************/ +sal_Bool SAL_CALL osl_setErrorReporting( sal_Bool bEnable ) +{ + sal_Bool bOld = bErrorReportingEnabled; + bErrorReportingEnabled = bEnable; + + return bOld; +} |