File: tick.c

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freesweep 0.88-4.1
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/**********************************************************************
*  This source code is copyright 1999 by Gus Hartmann & Peter Keller  *
*  It may be distributed under the terms of the GNU General Purpose   *
*  License, version 2 or above; see the file COPYING for more         *
*  information.                                                       *
*                                                                     *
*  $Id: tick.c,v 1.8 1999/08/09 05:25:36 hartmann Exp $
*                                                                     *
**********************************************************************/

#include "sweep.h"

volatile unsigned int g_tick = 0;

RETSIGTYPE sighandler(int signo)
{
	switch(signo)
	{
		case SIGALRM:
			g_tick++;
			signal(SIGALRM, sighandler);
			alarm(1);
			return;
			break;
		case SIGSEGV:
            clear();
            refresh();
            endwin();
			printf("\n\t***Segmentation Fault detected. Cleaning up....\n\n");
            exit(EXIT_FAILURE);
			break;
		case SIGBUS:
            clear();
            refresh();
            endwin();
			printf("\n\t***Bus Error detected. Cleaning up....\n\n");
            exit(EXIT_FAILURE);
			break;
		case SIGILL:
            clear();
            refresh();
            endwin();
			printf("\n\t***Illegal Instruction detected. Cleaning up....\n\n");
            exit(EXIT_FAILURE);
			break;
		default:
			break;
	}
	signal(SIGALRM, sighandler);
}