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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#include "debug_new.h"
#include "win.h" //includes "windows.h"
#include "DbgHelp.h" //available for MSC only
#pragma comment(lib, "Dbghelp.lib")
namespace
{
LONG WINAPI writeDumpOnException(EXCEPTION_POINTERS* pExceptionInfo)
{
HANDLE hFile = ::CreateFile(L"exception.dmp", GENERIC_READ | GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
if (hFile != INVALID_HANDLE_VALUE)
{
MINIDUMP_EXCEPTION_INFORMATION exInfo = {};
exInfo.ThreadId = ::GetCurrentThreadId();
exInfo.ExceptionPointers = pExceptionInfo;
exInfo.ClientPointers = FALSE;
MINIDUMP_EXCEPTION_INFORMATION* exceptParam = pExceptionInfo ? &exInfo : nullptr;
/*bool rv = */
::MiniDumpWriteDump(::GetCurrentProcess(), //__in HANDLE hProcess,
::GetCurrentProcessId(), //__in DWORD ProcessId,
hFile, //__in HANDLE hFile,
MiniDumpWithDataSegs, //__in MINIDUMP_TYPE DumpType, ->Standard: MiniDumpNormal, Medium: MiniDumpWithDataSegs, Full: MiniDumpWithFullMemory
exceptParam, //__in PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
nullptr, //__in PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
nullptr); //__in PMINIDUMP_CALLBACK_INFORMATION CallbackParam
::CloseHandle(hFile);
}
return EXCEPTION_EXECUTE_HANDLER;
}
//ensure that a dump-file is written for uncaught exceptions
struct Dummy { Dummy() { ::SetUnhandledExceptionFilter(writeDumpOnException); }} dummy;
}
void mem_check::writeMinidump()
{
//force exception to catch the state of this thread and hopefully get a valid call stack
__try
{
::RaiseException(EXCEPTION_BREAKPOINT, 0, 0, nullptr);
}
__except (writeDumpOnException(GetExceptionInformation()), EXCEPTION_CONTINUE_EXECUTION) {}
}
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