新网站怎么快速收录必做,手机视频网站设计,单页手机网站源码,广州sem代运营推广公司windows下程序有时突然崩溃了#xff0c;偶发性的崩溃很难找。于是就需要保存崩溃时的dump信息了。 下面是关于如何生成dmp文件的代码。 头文件 #pragma once
#include windows.h
#include DbgHelp.h
#include stdlib.h
#include string
#pra…windows下程序有时突然崩溃了偶发性的崩溃很难找。于是就需要保存崩溃时的dump信息了。 下面是关于如何生成dmp文件的代码。 头文件 #pragma once
#include windows.h
#include DbgHelp.h
#include stdlib.h
#include string
#pragma comment(lib, dbghelp.lib)namespace FrameworkMiniDump
{std::wstring GetTimeNowString();std::string WStringToString(const std::wstring str);std::wstring StringToWString(const std::string str);std::string getexepath();inline BOOL IsDataSectionNeeded(const WCHAR* pModuleName);inline BOOL CALLBACK MiniDumpCallback(PVOID pParam,const PMINIDUMP_CALLBACK_INPUT pInput,PMINIDUMP_CALLBACK_OUTPUT pOutput);inline void CreateMiniDump(PEXCEPTION_POINTERS pep, LPCTSTR strFileName);LONG __stdcall MyUnhandledExceptionFilter(PEXCEPTION_POINTERS pExceptionInfo);void DisableSetUnhandledExceptionFilter();// 此函数一旦成功调用之后对 SetUnhandledExceptionFilter 的调用将无效void InitMinDump();
} 源文件 #include MiniDump.h
#include iostream
#include ctime
#include stringnamespace FrameworkMiniDump
{std::wstring GetTimeNowString(){time_t rawtime;struct tm * timeinfo;wchar_t buffer[80];time(rawtime);timeinfo localtime(rawtime);//wcsftime(buffer, sizeof(buffer), L%d-%m-%Y %H:%M:%S, timeinfo);wcsftime(buffer, sizeof(buffer), L%d-%m-%Y-%H-%M-%S, timeinfo);std::wstring str(buffer);return str;}std::wstring StringToWString(const std::string str){
#if defined(WIN32)size_t sz str.length();int nd MultiByteToWideChar(CP_ACP, 0, str[0], sz, NULL, 0);std::wstring ret(nd, 0);int w MultiByteToWideChar(CP_ACP, 0, str[0], sz, ret[0], nd);if (str.length() ! sz) {throw std::exception(StringToWString Err);}return ret;
#elseconst char* p str.c_str();size_t len str.length();size_t sz len * sizeof(wchar_t);wchar_t* tp new wchar_t[sz];size_t w mbstowcs(tp, p, sz);if (w ! len) {delete[] tp;throw std::exception(StringToWString Err);}std::wstring ret(tp);delete[] tp;return ret;
#endif}std::string WStringToString(const std::wstring str){size_t sz str.length();
#if defined(WIN32)int nd WideCharToMultiByte(CP_ACP, 0, str[0], sz, NULL, 0, NULL, NULL);std::string ret(nd, 0);int w WideCharToMultiByte(CP_ACP, 0, str[0], sz, ret[0], nd, NULL, NULL);/*if (ret.length() ! sz) {throw std::exception(WStringToString Err);}*/return ret;
#elseconst wchar_t* p str.c_str();char* tp new char[sz];size_t w wcstombs(tp, p, sz);if (w ! sz) {delete[] tp;throw std::exception(WStringToString Err);}std::string ret(tp);delete[] tp;return ret;
#endif}std::string getexepath(){wchar_t result[MAX_PATH];std::wstring wstr std::wstring(result, GetModuleFileName(NULL, result, MAX_PATH));return WStringToString(wstr);}inline BOOL IsDataSectionNeeded(const WCHAR* pModuleName){if (pModuleName 0){return FALSE;}WCHAR szFileName[_MAX_FNAME] L;_wsplitpath(pModuleName, NULL, NULL, szFileName, NULL);if (_wcsicmp(szFileName, std::wstring(Lntdll).c_str()) 0)return TRUE;return FALSE;}inline BOOL CALLBACK MiniDumpCallback(PVOID pParam,const PMINIDUMP_CALLBACK_INPUT pInput,PMINIDUMP_CALLBACK_OUTPUT pOutput){if (pInput 0 || pOutput 0)return FALSE;switch (pInput-CallbackType){case ModuleCallback:if (pOutput-ModuleWriteFlags ModuleWriteDataSeg)if (!IsDataSectionNeeded(pInput-Module.FullPath))pOutput-ModuleWriteFlags (~ModuleWriteDataSeg);case IncludeModuleCallback:case IncludeThreadCallback:case ThreadCallback:case ThreadExCallback:return TRUE;default:;}return FALSE;}inline void CreateMiniDump(PEXCEPTION_POINTERS pep, LPCTSTR strFileName){HANDLE hFile CreateFile(strFileName, GENERIC_READ | GENERIC_WRITE,FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);if ((hFile ! NULL) (hFile ! INVALID_HANDLE_VALUE)){MINIDUMP_EXCEPTION_INFORMATION mdei;mdei.ThreadId GetCurrentThreadId();mdei.ExceptionPointers pep;mdei.ClientPointers NULL;MINIDUMP_CALLBACK_INFORMATION mci;mci.CallbackRoutine (MINIDUMP_CALLBACK_ROUTINE)MiniDumpCallback;mci.CallbackParam 0;::MiniDumpWriteDump(::GetCurrentProcess(), ::GetCurrentProcessId(), hFile, MiniDumpNormal, (pep ! 0) ? mdei : 0, NULL, mci);CloseHandle(hFile);}}LONG __stdcall MyUnhandledExceptionFilter(PEXCEPTION_POINTERS pExceptionInfo){std::string exename Dmp;std::wstring wexename StringToWString(exename);;std::wstring filename wexename L- GetTimeNowString() L.dmp;CreateMiniDump(pExceptionInfo, filename.c_str());return EXCEPTION_EXECUTE_HANDLER;}// 此函数一旦成功调用之后对 SetUnhandledExceptionFilter 的调用将无效void DisableSetUnhandledExceptionFilter(){void* addr (void*)GetProcAddress(LoadLibrary(Lkernel32.dll),SetUnhandledExceptionFilter);if (addr){unsigned char code[16];int size 0;code[size] 0x33;code[size] 0xC0;code[size] 0xC2;code[size] 0x04;code[size] 0x00;DWORD dwOldFlag, dwTempFlag;VirtualProtect(addr, size, PAGE_READWRITE, dwOldFlag);WriteProcessMemory(GetCurrentProcess(), addr, code, size, NULL);VirtualProtect(addr, size, dwOldFlag, dwTempFlag);}}void InitMinDump(){//注册异常处理函数SetUnhandledExceptionFilter(MyUnhandledExceptionFilter);//使SetUnhandledExceptionFilterDisableSetUnhandledExceptionFilter();}
} 使用 int main()
{......FrameworkMiniDump::InitMinDump(); ......
} 调用一下InitMinDump就可以了这里面会注册一个回调崩溃时会保存的dmp文件。 注意需要在debug模式。保存下来的dmp文件需要结合pdb文件和源代码才能定位到哪里崩溃了。具体的我也不懂。 转载于:https://www.cnblogs.com/xcywt/p/10291219.html
