sal/osl/w32/signal.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <stdlib.h>
  23
  24 #include <config_features.h>
  25
  26 #include <signalshared.hxx>
  27
  28 #include <systools/win32/uwinapi.h>
  29 #include <errorrep.h>
  30
  31 namespace
  32 {
  33 long WINAPI signalHandlerFunction(LPEXCEPTION_POINTERS lpEP);
  34
  35 LPTOP_LEVEL_EXCEPTION_FILTER pPreviousHandler = nullptr;
  36 }
  37
  38 bool onInitSignal()
  39 {
  40     pPreviousHandler = SetUnhandledExceptionFilter(signalHandlerFunction);
  41
  42     HMODULE hFaultRep = LoadLibraryW( L"faultrep.dll" );
  43     if ( hFaultRep )
  44     {
  45         pfn_ADDEREXCLUDEDAPPLICATIONW pfn = reinterpret_cast<pfn_ADDEREXCLUDEDAPPLICATIONW>(GetProcAddress( hFaultRep, "AddERExcludedApplicationW" ));
  46         if ( pfn )
  47             pfn( L"SOFFICE.EXE" );
  48         FreeLibrary( hFaultRep );
  49     }
  50
  51     return true;
  52 }
  53
  54 bool onDeInitSignal()
  55 {
  56     SetUnhandledExceptionFilter(pPreviousHandler);
  57
  58     return false;
  59 }
  60
  61 namespace
  62 {
  63 /* magic Microsoft C++ compiler exception constant */
  64 #define EXCEPTION_MSC_CPP_EXCEPTION 0xe06d7363
  65
  66 long WINAPI signalHandlerFunction(LPEXCEPTION_POINTERS lpEP)
  67 {
  68 #if HAVE_FEATURE_BREAKPAD
  69     // we should make sure to call the breakpad handler as
  70     // first step when we hit a problem
  71     if (pPreviousHandler)
  72         pPreviousHandler(lpEP);
  73 #endif
  74
  75     static bool bNested = false;
  76
  77     oslSignalInfo info;
  78
  79     info.UserSignal = lpEP->ExceptionRecord->ExceptionCode;
  80     info.UserData   = nullptr;
  81
  82     switch (lpEP->ExceptionRecord->ExceptionCode)
  83     {
  84         /* Transform unhandled exceptions into access violations.
  85            Microsoft C++ compiler (add more for other compilers if necessary).
  86          */
  87         case EXCEPTION_MSC_CPP_EXCEPTION:
  88         case EXCEPTION_ACCESS_VIOLATION:
  89             info.Signal = osl_Signal_AccessViolation;
  90             break;
  91
  92         case EXCEPTION_INT_DIVIDE_BY_ZERO:
  93             info.Signal = osl_Signal_IntegerDivideByZero;
  94             break;
  95
  96         case EXCEPTION_FLT_DIVIDE_BY_ZERO:
  97             info.Signal = osl_Signal_FloatDivideByZero;
  98             break;
  99
 100         case EXCEPTION_BREAKPOINT:
 101             info.Signal = osl_Signal_DebugBreak;
 102             break;
 103
 104         default:
 105             info.Signal = osl_Signal_System;
 106             break;
 107     }
 108
 109     oslSignalAction action;
 110
 111     if ( !bNested )
 112     {
 113         bNested = true;
 114         action = callSignalHandler(&info);
 115     }
 116     else
 117         action = osl_Signal_ActKillApp;
 118
 119     switch ( action )
 120     {
 121         case osl_Signal_ActCallNextHdl:
 122             return EXCEPTION_CONTINUE_SEARCH;
 123
 124         case osl_Signal_ActAbortApp:
 125             return EXCEPTION_EXECUTE_HANDLER;
 126
 127         case osl_Signal_ActKillApp:
 128             SetErrorMode(SEM_NOGPFAULTERRORBOX);
 129             exit(255);
 130             break;
 131         default:
 132             break;
 133     }
 134
 135     return EXCEPTION_CONTINUE_EXECUTION;
 136 }
 137
 138 }
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */