CrashHandler.h

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// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef OPENSHOT_CRASH_HANDLER_H
#define OPENSHOT_CRASH_HANDLER_H
 
#include <cstdlib>
#include <stdio.h>
#include <signal.h>
#ifdef __MINGW32__
    #include <winsock2.h>
    #include <windows.h>
    #include <DbgHelp.h>
#else
    #include <execinfo.h>
#endif
#include <errno.h>
#include <cxxabi.h>
#include "ZmqLogger.h"
 
namespace openshot {

    class CrashHandler {
    private:
        CrashHandler(){return;};                         // Don't allow user to create an instance of this singleton

        //CrashHandler(CrashHandler const&){};             // Don't allow the user to copy this instance
        CrashHandler(CrashHandler const&) = delete;             // Don't allow the user to copy this instance

        CrashHandler & operator=(CrashHandler const&) = delete;  // Don't allow the user to assign this instance

        static CrashHandler *m_pInstance;
 
    public:
        static CrashHandler *Instance();
 
#ifdef __MINGW32__
        // TODO: Windows exception handling methods
        static void abortHandler(int signum);
#else
        static void abortHandler(int signum, siginfo_t* si, void* unused);
#endif

        static void printStackTrace(FILE *out, unsigned int max_frames);
    };
 
}
 
#endif