// CRT unexpected() call handler
void __cdecl CCrashHandler::UnexpectedHandler()
{
// Unexpected error (unexpected() function was called)
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
}
// CRT SIGTERM signal handler
void CCrashHandler::SigtermHandler(int)
{
// Termination request (SIGTERM)
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
}
// CRT sigill signal handler
void CCrashHandler::SigillHandler(int)
{
// Illegal instruction (SIGILL)
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
}
// CRT SIGABRT signal handler
void CCrashHandler::SigabrtHandler(int)
{
// Caught SIGABRT C++ signal
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
}
// CRT Pure virtual method call handler
void __cdecl CCrashHandler::PureCallHandler()
{
// Pure virtual function call
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
}
// CRT new operator fault handler
int __cdecl CCrashHandler::NewHandler(size_t)
{
// 'new' operator memory allocation exception
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
// Unreacheable code
return 0;
}
// CRT invalid parameter handler
void __cdecl CCrashHandler::InvalidParameterHandler(
const wchar_t* expression,
const wchar_t* function,
const wchar_t* file,
unsigned int line,
uintptr_t pReserved)
{
pReserved;
// Invalid parameter exception
// Retrieve exception information
EXCEPTION_POINTERS* pExceptionPtrs = NULL;
GetExceptionPointers(0, &pExceptionPtrs);
// Write minidump file
CreateMiniDump(pExceptionPtrs);
// Terminate process
TerminateProcess(GetCurrentProcess(), 1);
}
int CCrashHandler::GenerateErrorReport(
PCR_EXCEPTION_INFO pExceptionInfo)
{
crSetErrorMsg(_T("Unspecified error."));
// Validate input parameters
if(pExceptionInfo==NULL)
{
crSetErrorMsg(_T("Exception info is NULL."));
return 1;
}
// Get exception pointers if not provided.
if(pExceptionInfo->pexcptrs==NULL)
{
GetExceptionPointers(pExceptionInfo->code, &pExceptionInfo->pexcptrs);
}
// Collect miscellaneous crash info (current time etc.)
CollectMiscCrashInfo();
// If error report is being generated manually, disable app restart.
if(pExceptionInfo->bManual)
m_bAppRestart = FALSE;
// Let client add application-specific files / desktop screenshot
// to the report via the crash callback function.
if (m_lpfnCallback!=NULL && m_lpfnCallback(NULL)==FALSE)
{
crSetErrorMsg(_T("The operation was cancelled by client application."));
return 2;
}
if(m_bAddScreenshot)
{
m_rcAppWnd.SetRectEmpty();
// Find main app window
HWND hWndMain = Utility::FindAppWindow();
if(hWndMain)
{
GetWindowRect(hWndMain, &m_rcAppWnd);
}
}
// Create directory for the error report.
BOOL bCreateDir = Utility::CreateFolder(m_sReportFolderName);
if(!bCreateDir)
{
ATLASSERT(bCreateDir);
CString szCaption;
szCaption.Format(_T("%s has stopped working"), Utility::getAppName());
CString szMessage;
// Try notify user about crash using message box.
szMessage.Format(_T("Couldn't save error report."));
MessageBox(NULL, szMessage, szCaption, MB_OK|MB_ICONERROR);
return 1; // Failed to create directory
}
// Create crash description file in XML format.
CString sFileName;
sFileName.Format(_T("%s\\crashrpt.xml"), m_sReportFolderName);
AddFile(sFileName, NULL, _T("Crash Log"), CR_AF_MISSING_FILE_OK);
int result = CreateCrashDescriptionXML(sFileName.GetBuffer(0), pExceptionInfo);
ATLASSERT(result==0);
// Write internal crash info to file. This info is required by
// CrashSender.exe only and will not be sent anywhere.
sFileName = m_sReportFolderName + _T("\\~CrashRptInternal.xml");
result = CreateInternalCrashInfoFile(sFileName, pExceptionInfo->pexcptrs);
ATLASSERT(result==0);
SetFileAttributes(sFileName, FILE_ATTRIBUTE_HIDDEN);
// Start the CrashSender process which will take the dekstop screenshot,
// copy user-specified files to the error report folder, create minidump,
// notify user about crash, compress the report into ZIP archive and send
// the error report.
result = LaunchCrashSender(sFileName, TRUE);
if(result!=0)
{
ATLASSERT(result==0);
crSetErrorMsg(_T("Error launching CrashSender.exe"));
// Failed to launch crash sender process.
// Try notify user about crash using message box.
CString szCaption;
szCaption.Format(_T("%s has stopped working"), Utility::getAppName());
CString szMessage;
szMessage.Format(_T("Error launching CrashSender.exe"));
MessageBox(NULL, szMessage, szCaption, MB_OK|MB_ICONERROR);
return 3;
}
// OK
crSetErrorMsg(_T("Success."));
return 0;
}
