added GPL copyrights

[physics.git] / src / handleSignal.cpp

/*
 *  Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com.
 *
 *  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 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "handleSignal.h"

#include <iostream>
#include <signal.h>

/// ***** Private Method Headers *****

void sighandler( int sig );

/// ***** Public Methods *****

void installSignal()
{
    // register signal handler
    struct sigaction sa;
    sigemptyset( &sa.sa_mask );
    sa.sa_handler = sighandler;
    sa.sa_flags = 0;

    if ( sigaction( SIGINT, &sa, NULL ) < 0 )
    {
        std::cerr << "could not install SIGINT handler" << std::endl;
    }
}

/// ***** Private Methods *****

// signal handler function
void sighandler( int sig )
{
    switch(sig)
    {
        case SIGINT:
            std::cerr << "SIGINT caught" << std::endl;
            break;
        default:
            std::cout << "UNKNOWN caught";
    }

    // normally an abort is better ... but this is just SIGINT
    exit(sig);
}