/* $Id: signalhandler.cpp,v 1.5 2005/06/28 13:55:23 chfreund Exp $ */

#include "signalhandler.hpp"

#include <csignal>

SignalHandler* SignalHandler::m_handler = 0;
bool SignalHandler::m_signal = false;
bool SignalHandler::m_quit   = false;
bool SignalHandler::m_pause  = false;

SignalHandler::SignalHandler() {
	signal( SIGINT , &SignalHandler::handler );
#ifndef WIN32
	signal( SIGTSTP, &SignalHandler::handler );
#endif
}


SignalHandler* SignalHandler::getInstance() {
	if ( !m_handler ) {
		m_handler = new SignalHandler();
	}
	return m_handler;
}


void SignalHandler::deleteInstance() {
	delete m_handler;
	m_handler = 0x0;
}


void SignalHandler::handler( const int sig ) {
	m_signal = true;
	switch( sig ) {
		case SIGINT:
			m_quit = true;
			break;
#ifndef WIN32
		case SIGTSTP:
			m_pause = !m_pause;
			break;
#endif
	}
}