p9.6.c

linux编程源代码,其中是由大量的实例

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

void sigusr1(int sig)
{
	printf("got the SIGUSR1 signal...\n");
	exit(0);
}

int main(void)
{
	if(signal(SIGINT,SIG_IGN)==SIG_ERR){
		perror("cannot reset the SIGINT signal handler");
		return 1;	
	}

	if(signal(SIGUSR1,sigusr1)==SIG_ERR){
		perror("cannot reset the SIGUSR1 signal handler");
		return 1;
	}

	pause();

	return 0;
}