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87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/**
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* @file
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* @brief Header file for CrashHandler class
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @section LICENSE
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*
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* Copyright (c) 2008-2014 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENSHOT_CRASH_HANDLER_H
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#define OPENSHOT_CRASH_HANDLER_H
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#include <cstdlib>
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#include <stdio.h>
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#include <signal.h>
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#ifdef __MINGW32__
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#include <winsock2.h>
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#include <windows.h>
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#include <DbgHelp.h>
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#else
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#include <execinfo.h>
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#endif
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#include <errno.h>
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#include <cxxabi.h>
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#include "ZmqLogger.h"
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namespace openshot {
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/**
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* @brief This class is designed to catch exceptions thrown by libc (SIGABRT, SIGSEGV, SIGILL, SIGFPE)
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*
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* This class is a singleton which only needs to be instantiated 1 time, and it will register as a signal
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* handler with libc, and log errors using the ZmqLogger class.
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*/
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class CrashHandler {
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private:
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/// Default constructor
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CrashHandler(){}; // Don't allow user to create an instance of this singleton
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/// Default copy method
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CrashHandler(CrashHandler const&){}; // Don't allow the user to copy this instance
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/// Default assignment operator
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CrashHandler & operator=(CrashHandler const&){}; // Don't allow the user to assign this instance
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/// Private variable to keep track of singleton instance
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static CrashHandler *m_pInstance;
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public:
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/// Create or get an instance of this crash handler singleton (invoke the class with this method). This also
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/// registers the instance as a signal handler for libc
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static CrashHandler *Instance();
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#ifdef __MINGW32__
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// TODO: Windows exception handling methods
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static void abortHandler(int signum);
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#else
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/// Method which handles crashes and logs error
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static void abortHandler(int signum, siginfo_t* si, void* unused);
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#endif
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/// Method which prints a stacktrace
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static void printStackTrace(FILE *out, unsigned int max_frames);
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};
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}
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#endif
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