[unix-history] / usr / src / lib / libc / gen / alarm.c

/*	alarm.c	4.1	83/06/10	*/

/*
 * Backwards compatible alarm.
 */
#include <sys/time.h>

alarm(secs)
	int secs;
{
	struct itimerval it, oitv;
	register struct itimerval *itp = &it;

	timerclear(&itp->it_interval);
	itp->it_value.tv_sec = secs;
	itp->it_value.tv_usec = 0;
	if (setitimer(ITIMER_REAL, itp, &oitv) < 0)
		return (-1);
	return (oitv.it_value.tv_sec);
}
Commit	Line	Data
30e720bf SL	1	/* alarm.c 4.1 83/06/10 */
	2
	3	/*
	4	* Backwards compatible alarm.
	5	*/
	6	#include <sys/time.h>
	7
	8	alarm(secs)
	9	int secs;
	10	{
	11	struct itimerval it, oitv;
	12	register struct itimerval *itp = ⁢
	13
	14	timerclear(&itp->it_interval);
	15	itp->it_value.tv_sec = secs;
	16	itp->it_value.tv_usec = 0;
	17	if (setitimer(ITIMER_REAL, itp, &oitv) < 0)
	18	return (-1);
	19	return (oitv.it_value.tv_sec);
	20	}