让Windows下的应用程序在崩溃的时候写dump文件的代码

#pragma once
#include "shared/util.h"
#include <DbgHelp.h>
#include "util/user.h"

BOOL CALLBACK MyMiniDumpCallback(PVOID, const PMINIDUMP_CALLBACK_INPUT input, PMINIDUMP_CALLBACK_OUTPUT output)
{
if(input == NULL || output == NULL)
return FALSE;

BOOL ret = FALSE;
switch(input->CallbackType)
{
case IncludeModuleCallback:
case IncludeThreadCallback:
case ThreadCallback:
case ThreadExCallback:
ret = TRUE;
break;
case ModuleCallback:
{
if( !(output->ModuleWriteFlags & ModuleReferencedByMemory) )
{
output->ModuleWriteFlags &= ~ModuleWriteModule;
}
ret = TRUE;
}
break;
default:
break;
}

return ret;
}

void WriteDump(EXCEPTION_POINTERS* exp, const std::wstring &path)
{
HANDLE h = ::CreateFile(path.c_str(), GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

MINIDUMP_EXCEPTION_INFORMATION info;
info.ThreadId = ::GetCurrentThreadId();
info.ExceptionPointers = exp;
info.ClientPointers = NULL;

MINIDUMP_CALLBACK_INFORMATION mci;
mci.CallbackRoutine = (MINIDUMP_CALLBACK_ROUTINE)MyMiniDumpCallback;
mci.CallbackParam = 0;

MINIDUMP_TYPE mdt = (MINIDUMP_TYPE)(MiniDumpWithIndirectlyReferencedMemory | MiniDumpScanMemory);

MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), h, mdt, &info, NULL, &mci);
::CloseHandle(h);
}

LONG WINAPI MyUnhandledExceptionFilter(EXCEPTION_POINTERS* exp)
{
nbase::Time::TimeStruct qt = nbase::Time::Now().ToTimeStruct(true);
std::wstring file = nbase::StringPrintf(L"%04d%02d%02d_%02d%02d%02d.dmp",
qt.year_, qt.month_, qt.day_of_month_, qt.hour_, qt.minute_, qt.second_);
std::wstring dir = QPath::GetNimAppDataDir();
dir.append(file);

WriteDump(exp, dir);

std::wstring cmd = nbase::StringPrintf(L" /%s %s ", kCmdAppCrash.c_str(), dir.c_str());
QCommand::RestartApp(cmd);

return EXCEPTION_EXECUTE_HANDLER;
}

::SetUnhandledExceptionFilter(MyUnhandledExceptionFilter);