static void
sleeptill(struct timeval sched)
{
int sts;
struct timeval curr; /* current time */
struct timespec delay; /* interval to sleep */
struct timespec left; /* remaining sleep time */
__pmtimevalNow(&curr);
tospec(tsub(sched, curr), &delay);
for (;;) { /* loop to catch early wakeup by nanosleep */
sts = nanosleep(&delay, &left);
if (sts == 0 || (sts < 0 && errno != EINTR))
break;
delay = left;
}
}
/* sleep until given timeval */
void
__pmtimevalPause(struct timeval sched)
{
int sts;
struct timeval curr; /* current time */
struct timespec delay; /* interval to sleep */
struct timespec left; /* remaining sleep time */
__pmtimevalNow(&curr);
__pmtimevalDec(&sched, &curr);
tospec(&sched, &delay);
for (;;) { /* loop to catch early wakeup by nanosleep */
sts = nanosleep(&delay, &left);
if (sts == 0 || (sts < 0 && oserror() != EINTR))
break;
delay = left;
}
}
