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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <stdlib.h>
#include <config_features.h>
#include <signalshared.hxx>
#include <systools/win32/uwinapi.h>
#include <errorrep.h>
#include <werapi.h>
namespace
{
long WINAPI signalHandlerFunction(LPEXCEPTION_POINTERS lpEP);
// Similar to SIGINT handler in sal/osl/unx/signal.cxx
BOOL WINAPI CtrlHandlerFunction(DWORD dwCtrlType)
{
switch (dwCtrlType)
{
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
case CTRL_CLOSE_EVENT:
switch (oslSignalInfo Info{ osl_Signal_Terminate, 0, nullptr };
callSignalHandler(&Info))
{
case osl_Signal_ActCallNextHdl:
break; // Fall through to call the next handler
case osl_Signal_ActAbortApp:
abort();
break;
case osl_Signal_ActKillApp:
_exit(255);
break;
default:
return TRUE; // do not call the next handler
}
[[fallthrough]];
default:
return FALSE; // call the next handler
}
}
LPTOP_LEVEL_EXCEPTION_FILTER pPreviousHandler = nullptr;
}
bool onInitSignal()
{
pPreviousHandler = SetUnhandledExceptionFilter(signalHandlerFunction);
SetConsoleCtrlHandler(CtrlHandlerFunction, TRUE);
WerAddExcludedApplication(L"SOFFICE.EXE", FALSE);
return true;
}
bool onDeInitSignal()
{
SetConsoleCtrlHandler(CtrlHandlerFunction, FALSE);
SetUnhandledExceptionFilter(pPreviousHandler);
return false;
}
namespace
{
/* magic Microsoft C++ compiler exception constant */
#define EXCEPTION_MSC_CPP_EXCEPTION 0xe06d7363
long WINAPI signalHandlerFunction(LPEXCEPTION_POINTERS lpEP)
{
#if HAVE_FEATURE_BREAKPAD
// we should make sure to call the breakpad handler as
// first step when we hit a problem
if (pPreviousHandler)
pPreviousHandler(lpEP);
#endif
static bool bNested = false;
oslSignalInfo info;
info.UserSignal = lpEP->ExceptionRecord->ExceptionCode;
info.UserData = nullptr;
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;
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
info.Signal = osl_Signal_IntegerDivideByZero;
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
info.Signal = osl_Signal_FloatDivideByZero;
break;
case EXCEPTION_BREAKPOINT:
info.Signal = osl_Signal_DebugBreak;
break;
default:
info.Signal = osl_Signal_System;
break;
}
oslSignalAction action;
if (!bNested)
{
bNested = true;
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;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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