/* DF-2680 control: enable FIOASYNC, catch SIGIO, STAY ALIVE. */
#include <fcntl.h>
#include <sys/ioctl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

static void
handler(int sig)
{
	printf("victim2: GOT_SIGIO (live path works) pid=%d\n", getpid());
	fflush(stdout);
	exit(0);
}

int
main(void)
{
	struct sigaction sa;
	int fd, one = 1;

	sa.sa_handler = handler;
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = 0;
	sigaction(SIGIO, &sa, NULL);
	fd = open("/dev/devctl", O_RDWR);
	if (fd < 0) { perror("open"); return (1); }
	if (ioctl(fd, FIOASYNC, &one) != 0) { perror("FIOASYNC"); return (1); }
	printf("victim2: pid=%d armed, sleeping 20\n", getpid());
	fflush(stdout);
	sleep(20);
	printf("victim2: NO SIGIO within 20s\n");
	return (0);
}