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Just cleaning up a dump(er)

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git-svn-id: https://svn.eduke32.com/eduke32@7158 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2018-11-18 18:06:38 +00:00
parent 3cfda9858d
commit 22e1c21f47
1 changed files with 39 additions and 55 deletions
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94
source/duke3d/src/mdump.cpp
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@ -7,96 +7,80 @@ LPCSTR MiniDumper::m_szAppName;
MiniDumper g_dumper("eduke32"); MiniDumper g_dumper("eduke32");
MiniDumper::MiniDumper( LPCSTR szAppName ) MiniDumper::MiniDumper(LPCSTR szAppName)
{ {
// if this assert fires then you have two instances of MiniDumper // if this assert fires then you have two instances of MiniDumper
// which is not allowed // which is not allowed
assert( m_szAppName==NULL ); assert(m_szAppName == NULL);
m_szAppName = szAppName ? _strdup(szAppName) : "Application"; m_szAppName = szAppName ? _strdup(szAppName) : "Application";
::SetUnhandledExceptionFilter( TopLevelFilter ); ::SetUnhandledExceptionFilter(TopLevelFilter);
} }
LONG MiniDumper::TopLevelFilter( struct _EXCEPTION_POINTERS *pExceptionInfo ) LONG MiniDumper::TopLevelFilter(struct _EXCEPTION_POINTERS *pExceptionInfo)
{ {
LONG retval = EXCEPTION_CONTINUE_SEARCH;
//HWND hParent = NULL; // find a better value for your app
// firstly see if dbghelp.dll is around and has the function we need
// look next to the EXE first, as the one in System32 might be old
// (e.g. Windows 2000)
HMODULE hDll = NULL; HMODULE hDll = NULL;
char szDbgHelpPath[_MAX_PATH]; char szDbgHelpPath[_MAX_PATH];
if (GetModuleFileName( NULL, szDbgHelpPath, _MAX_PATH )) if (GetModuleFileName(NULL, szDbgHelpPath, _MAX_PATH))
{ {
char *pSlash = _tcsrchr( szDbgHelpPath, '\\' ); auto pSlash = _tcsrchr(szDbgHelpPath, '\\');
if (pSlash) if (pSlash)
{ {
_tcscpy( pSlash+1, "DBGHELP.DLL" ); _tcscpy(pSlash + 1, "DBGHELP.DLL");
hDll = ::LoadLibrary( szDbgHelpPath ); hDll = ::LoadLibrary(szDbgHelpPath);
} }
} }
if (hDll==NULL) if (hDll == NULL)
{ {
// load any version we can // load any version we can
hDll = ::LoadLibrary( "DBGHELP.DLL" ); hDll = ::LoadLibrary("DBGHELP.DLL");
} }
LPCTSTR szResult = "DBGHELP.DLL not found";; LONG retval = EXCEPTION_CONTINUE_SEARCH;
char szScratch [_MAX_PATH]; LPCTSTR szResult = "DBGHELP.DLL not found";
char szScratch[_MAX_PATH];
if (hDll) if (hDll)
{ {
MINIDUMPWRITEDUMP pDump = (MINIDUMPWRITEDUMP)::GetProcAddress( hDll, "MiniDumpWriteDump" ); auto pDump = MINIDUMPWRITEDUMP(::GetProcAddress(hDll, "MiniDumpWriteDump"));
if (pDump) if (pDump)
{ {
char szDumpPath[_MAX_PATH]; char szDumpPath[_MAX_PATH];
// work out a good place for the dump file sprintf(szDumpPath, "%s_%u.dmp", m_szAppName, timeGetTime());
/*if (!GetTempPath( _MAX_PATH, szDumpPath ))
_tcscpy( szDumpPath, "c:\\temp\\" );
*/
sprintf(szDumpPath,"%s_%u",m_szAppName,timeGetTime());
_tcscat( szDumpPath, ".dmp" );
// ask the user if they want to save a dump file HANDLE hFile = ::CreateFile(szDumpPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, NULL);
//if (::MessageBox( NULL, "Something bad happened in your program, would you like to save a diagnostic file?", m_szAppName, MB_YESNO )==IDYES)
if (hFile != INVALID_HANDLE_VALUE)
{ {
// create the file _MINIDUMP_EXCEPTION_INFORMATION ExInfo = { ::GetCurrentThreadId(), pExceptionInfo, NULL };
HANDLE hFile = ::CreateFile( szDumpPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL );
if (hFile!=INVALID_HANDLE_VALUE) // take a dump
BOOL bOK = pDump(GetCurrentProcess(), GetCurrentProcessId(), hFile, MiniDumpNormal, &ExInfo, NULL, NULL);
if (bOK)
{ {
_MINIDUMP_EXCEPTION_INFORMATION ExInfo; sprintf(szScratch, "Saved dump file to \"%s\"", szDumpPath);
szResult = szScratch;
ExInfo.ThreadId = ::GetCurrentThreadId(); retval = EXCEPTION_EXECUTE_HANDLER;
ExInfo.ExceptionPointers = pExceptionInfo;
ExInfo.ClientPointers = NULL;
// write the dump
BOOL bOK = pDump( GetCurrentProcess(), GetCurrentProcessId(), hFile, MiniDumpNormal, &ExInfo, NULL, NULL );
if (bOK)
{
sprintf( szScratch, "Saved dump file to \"%s\"", szDumpPath );
szResult = szScratch;
retval = EXCEPTION_EXECUTE_HANDLER;
}
else
{
sprintf( szScratch, "Failed to save dump file to \"%s\" (error %d)", szDumpPath, GetLastError() );
szResult = szScratch;
}
::CloseHandle(hFile);
} }
else else
{ {
sprintf( szScratch, "Failed to create dump file \"%s\" (error %d)", szDumpPath, GetLastError() ); sprintf(szScratch, "Failed to save dump file to \"%s\" (error %d)", szDumpPath, GetLastError());
szResult = szScratch; szResult = szScratch;
} }
::CloseHandle(hFile);
}
else
{
sprintf(szScratch, "Failed to create dump file \"%s\" (error %d)", szDumpPath, GetLastError());
szResult = szScratch;
} }
} }
else else
@ -107,7 +91,7 @@ LONG MiniDumper::TopLevelFilter( struct _EXCEPTION_POINTERS *pExceptionInfo )
::FreeLibrary(hDll); ::FreeLibrary(hDll);
} }
::MessageBox( NULL, szResult, m_szAppName, MB_OK ); ::MessageBox(NULL, szResult, m_szAppName, MB_OK);
return retval; return retval;
} }