vlMiniDumper.h

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/****************************************************************************
 * Copyright (c) 2014 VT MAK
 * All rights reserved.
 ****************************************************************************/


// Note that this class is based on Andy Pennel's work on Code Project's minidump.
// See http://codeplex.codeplex.com/license for more information

#pragma once

#ifdef WIN32

#include <vlutil/vlMachineTypes.h>

// Preprocessor Directive which allows reuse in MAK RTI applications and VR-Link based applications.
#ifdef DtUSE_UTILITIES_NAMESPACE
#define DtMiniDumper Dt ## MAKRti ## MiniDumper
#endif

#if _MSC_VER < 1300
#  define DECLSPEC_DEPRECATED
// VC6: change this path to your Platform SDK headers
#  include "M:\\dev7\\vs\\devtools\\common\\win32sdk\\include\\dbghelp.h"         // must be XP version of file
#else
// VC7: ships with updated headers
#define _WINSOCKAPI_
#include <windows.h>
#  include "dbghelp.h"
#endif

// based on dbghelp.h
typedef BOOL (WINAPI* MINIDUMPWRITEDUMP)( HANDLE hProcess, DWORD dwPid, HANDLE hFile,
   MINIDUMP_TYPE DumpType, CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
   CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
   CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam );

class DT_DLL_VLUTIL DtMiniDumper
{
public:

   DtMiniDumper( const char* szAppName );

private:

   static LONG WINAPI TopLevelFilter( struct _EXCEPTION_POINTERS* pExceptionInfo );

   static char* m_szAppName;

};

#define DtINIT_MINIDUMPER( execName ) DtMiniDumper miniDump( execName );

#else // WIN32

#include <stdio.h>
#include <execinfo.h>
#include <signal.h>
#include <stdlib.h>

void DtErrorHandler( int sig )
{
   void* array[50];
   size_t size;

   // get void*'s for all entries on the stack
   size = backtrace( array, 50 );

   // print out all the frames to stderr
   fprintf( stderr, "Error: signal %d:\n", sig );
   backtrace_symbols_fd( array, size, 2 );
   exit( 1 );
}

#define DtINIT_MINIDUMPER( unused ) signal( SIGSEGV, DtErrorHandler );

#endif