Qt开发: 捕获系统异常，产生dmp文件

项目 *.pro里添加

LIBS += -lDbgHelp

main.cpp:

#include "mainWidget.h"

#include "MainForm.h"

#include <QApplication>

#include <QTextCodec>

#include <QDir>

#include <windows.h>

#include <dbghelp.h>

//异常捕获函数

long ApplicationCrashHandler(EXCEPTION_POINTERS *pException){

{

// 在程序exe的上级目录中创建dmp文件夹

QDir *dmp = new QDir;

bool exist = dmp->exists("../dmp/");

if(exist == false)

dmp->mkdir("../dmp/");

}

QDateTime current_date_time = QDateTime::currentDateTime();

QString current_date = current_date_time.toString("yyyy_MM_dd_hh_mm_ss");

QString time =  current_date + ".dmp";

EXCEPTION_RECORD *record = pException->ExceptionRecord;

QString errCode(QString::number(record->ExceptionCode, 16));

QString errAddr(QString::number((uint)record->ExceptionAddress, 16));

QString errFlag(QString::number(record->ExceptionFlags, 16));

QString errPara(QString::number(record->NumberParameters, 16));

qDebug()<<"errCode: "<<errCode;

qDebug()<<"errAddr: "<<errAddr;

qDebug()<<"errFlag: "<<errFlag;

qDebug()<<"errPara: "<<errPara;

HANDLE hDumpFile = CreateFile((LPCWSTR)QString("../dmp/" + time).utf16(),

GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

if(hDumpFile != INVALID_HANDLE_VALUE) {

MINIDUMP_EXCEPTION_INFORMATION dumpInfo;

dumpInfo.ExceptionPointers = pException;

dumpInfo.ThreadId = GetCurrentThreadId();

dumpInfo.ClientPointers = TRUE;

MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(),hDumpFile, MiniDumpNormal, &dumpInfo, NULL, NULL);

CloseHandle(hDumpFile);

  }

else{

qDebug()<<"hDumpFile == null";

  }

return EXCEPTION_EXECUTE_HANDLER;

}

int main(int argc, char *argv[])

{

QApplication a(argc, argv);

QTextCodec::setCodecForLocale(QTextCodec::codecForLocale());

//注冊异常捕获函数

SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)ApplicationCrashHandler);

MainForm mf;

mf.show();

return a.exec();

}