signals.c

/*
*  MIT License

*  Copyright (c) 2013  Krzysztow

*  Permission is hereby granted, free of charge, to any person obtaining a copy
*  of this software and associated documentation files (the "Software"), to deal
*  in the Software without restriction, including without limitation the rights
*  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
*  copies of the Software, and to permit persons to whom the Software is
*  furnished to do so, subject to the following conditions:

*  The above copyright notice and this permission notice shall be included in all
*  copies or substantial portions of the Software.

*  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
*  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
*  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
*  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
*  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
*  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
*  SOFTWARE.
*/
#include <stdio.h>
#include <signal.h>

int toExitCtr = 0;

void sig_func(int sig)
{
	toExitCtr++;
 	printf("Caught signal SIGINT (%d)\n", toExitCtr);
}

int main()
{
 	signal(SIGINT, sig_func);
	
	for (;;) {
		printf("loop \n");
		sleep(1);

		if (3 <= toExitCtr) {
			printf("Exitting...\n"); 
			break;
		}
	}

	return 0;
}