#include <cstdio>
#include <signal.h>
#include <unistd.h>

static bool loop;
static void sigfunc(int);

static void sigfunc(int signo) {
	printf("SIGINT received!\n");
	loop = false;
}

int main(int argc, char** argv) {
	loop = true;
	if (signal(SIGINT, sigfunc) == SIG_ERR) {
		printf("Could not setup signal handler for SIGINT!\n");
		return -1;
	}
	pid_t pid = getpid();

	printf("Waiting for SIGINT, pid: %d Press Ctrl+C to exit.\n", pid );
	printf("kill -2 %d \n", pid);

	while (loop) {
                 ;
	}
	return 0;
}