59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
////////////////////////////////////////////////////////////////////////
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// FILE: signaldispatcher.h
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// AUTHOR: Johannes Winkelmann, jw@tks6.net
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// COPYRIGHT: (c) 2002 by Johannes Winkelmann
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// ---------------------------------------------------------------------
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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////////////////////////////////////////////////////////////////////////
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#ifndef _SIGNALDISPATCHER_H_
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#define _SIGNALDISPATCHER_H_
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#include <map>
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/*!
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signal handler for the SignalDispatcher class. Implement this class to
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receive signals
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\brief SignalHandler for SignalDispatcher
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*/
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class SignalHandler
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{
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public:
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/*! Result of a handlSignal() call */
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enum HandlerResult {
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SIGNAL_NOT_HANDLED, /*!< not handled */
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EXIT, /*!< signal handled, exit now */
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CONTINUE /*!< signal handled, don't exit */
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};
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virtual HandlerResult handleSignal() = 0;
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};
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/*!
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dispatches signals. Singleton, use the instance() method to access
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the instance of this class. Register your SignalHandler to handle signals
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\brief Dispatch unix signals
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*/
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class SignalDispatcher
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{
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public:
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static SignalDispatcher* instance();
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static void dispatch( int signalNumber );
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void registerHandler( SignalHandler* handler, int signalNumber );
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void unregisterHandler( int signalNumber );
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protected:
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SignalDispatcher();
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private:
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static SignalDispatcher* m_instance;
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std::map<int, SignalHandler*> m_signalHandlers;
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};
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#endif /* _SIGNALDISPATCHER_H_ */
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