testsig.c

opensolaris操作系统下面的一些练习用源码opensolaris操作系统下面的一些练习用源码

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

void user_func(int,siginfo_t*,void*);

int main(int argc,char**argv)
{
	struct sigaction act;
	int sig;
	sig=SIGINT;

	sigemptyset(&act.sa_mask);
	act.sa_flags=SA_SIGINFO;
	act.sa_sigaction=(void * )user_func;

	if(sigaction(sig,&act,NULL) < 0)
	{
		printf("install sigal error\n");
	}

	while(1)
	{
/*		sleep(2);
		printf("wait for the signal\n");
*/
	}
}
void user_func(int signum,siginfo_t *info,void *myact)
{
	printf("\nSignal %d received\n", signum);
/*	sleep(5); */
}