prt-get/src/signaldispatcher.cpp

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////////////////////////////////////////////////////////////////////////
// FILE: signaldispatcher.cpp
// AUTHOR: Johannes Winkelmann, jw@tks6.net
// COPYRIGHT: (c) 2002 by Johannes Winkelmann
// ---------------------------------------------------------------------
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
////////////////////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
#include "signaldispatcher.h"
SignalDispatcher* SignalDispatcher::m_instance = 0;
SignalDispatcher::SignalDispatcher()
{
}
SignalDispatcher* SignalDispatcher::instance()
{
if ( m_instance == 0 ) {
m_instance = new SignalDispatcher();
}
return m_instance;
}
void SignalDispatcher::dispatch( int signalNumber )
{
map<int, SignalHandler*>::iterator it =
SignalDispatcher::instance()->m_signalHandlers.find( signalNumber );
if ( it != SignalDispatcher::instance()->m_signalHandlers.end() ) {
it->second->handleSignal( signalNumber );
} else {
cerr << "prt-get: caught signal " << signalNumber << endl;
}
exit( signalNumber );
}
void SignalDispatcher::registerHandler( SignalHandler* handler,
int signalNumber )
{
m_signalHandlers[signalNumber] = handler;
}
void SignalDispatcher::unregisterHandler( int signalNumber )
{
m_signalHandlers.erase( signalNumber );
}