SetUnhandledExceptionFilter 错误地址到日志

风中的流沙 — Wed, 09 Sep 2009 05:23:00 GMT

LONG WINAPI MyUnFilterA (struct _EXCEPTION_POINTERS *lpExceptionInfo)
{
static int s_SigCount = 0;

DWORD dwExceptCode = lpExceptionInfo -> ExceptionRecord ->
ExceptionCode;
LONG lResult;

if (dwExceptCode == EXCEPTION_ACCESS_VIOLATION)
{
printf ("access violation caught by MyUnFilter\n");

DWORD nThreadId = GetCurrentThreadId();
DWORD nProcessId = GetCurrentProcessId();

  _EXCEPTION_POINTERS *p = lpExceptionInfo;
  CString err;
  err.Format( "Unknown WIN32 exception:%d at address 0x%.8x <ThreadId:%d, ProcessId:%d>",
   p->ExceptionRecord->ExceptionCode,
   p->ExceptionRecord->ExceptionAddress,
   nThreadId,
   nProcessId );
  //MessageBox( 0,err,_T("error"),MB_OK ); //test only
  //WriteLogFile(...)

++s_SigCount;

  // test case to keep this from going on forever (since we're not
  // fixing the AV)
  if (s_SigCount < 5)
     lResult = EXCEPTION_CONTINUE_EXECUTION;
  else
     lResult = EXCEPTION_EXECUTE_HANDLER;

}
else
lResult = EXCEPTION_CONTINUE_SEARCH;

return lResult;

}

void CDlgDlg::OnButton1()
{
//编译后直接运行 EXE 有效果
SetUnhandledExceptionFilter (MyUnFilterA);

char* p = NULL;

strcpy( p, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" );

}