[완료]시그널 관련 질문입니다..

#include <signal.h>
#include <stdio.h>
#include <unistd.h>
 
void ouch(int sig)
{
	printf("\nOUCH! - I got signal %d\n", sig);
}
 
int main()
{
	struct sigaction act;
	act.sa_handler = ouch;
	sigemptyset(&act.sa_mask);
	act.sa_flags = 0;
	sigaction(SIGINT, &act, 0);
	while(1)
	{
		printf("Hello World!\n");
		sleep(1);
	}
}