Cross Reference: /src/sys/kern/subr_time

Lines Matching defs:it
107 	 * fit in an unsigned long.  Compute the total and convert it to
116 	 * case, but it is slightly slower and assumes that hz is integral.
140 		 * and callers need to check for it.
189  * fix it to have at least minimal value (i.e. if it is less
190  * than the resolution of the clock, round it up.). We don't
223  *	True if tsp + usp can be computed without overflow, i.e., if it
250 	 * Break it into two mutually exclusive and exhaustive cases:
319 		 * timespecadd, so to avoid overflow it is not enough
336  *	True if tsp - usp can be computed without overflow, i.e., if it
362 	 * Break it into two mutually exclusive and exhaustive cases:
437 		 * timespecsub, so to avoid overflow it is not enough
460  * itimer_transition(it, now, next, &overruns)
464  *	- it: the current state of an itimer (it_value = last expiry
478 itimer_transition(const struct itimerspec *restrict it,
496 	if (!timespecisset(&it->it_interval)) {
502 	backwards = (timespeccmp(&it->it_value, now, >));
505 	KASSERT(it->it_value.tv_sec >= 0);
506 	KASSERT(it->it_value.tv_nsec < 1000000000);
507 	KASSERT(it->it_interval.tv_sec >= 0);
508 	KASSERT(it->it_interval.tv_nsec < 1000000000);
511 	KASSERT(it->it_interval.tv_sec >= 0);
512 	KASSERT(it->it_interval.tv_nsec >= 0);
516 		if (__predict_false(!timespecaddok(&it->it_value,
517 			    &it->it_interval)))
519 		timespecadd(&it->it_value, &it->it_interval, next);
530 	    __predict_false(!timespec2nsok(&it->it_value)) ||
531 	    __predict_false(!timespec2nsok(&it->it_interval)))
535 	last_val = timespec2ns(&it->it_value);
536 	interval = timespec2ns(&it->it_interval);
560 	 *   negative, so subtracting it stays in place or moves
573 	 * (now_ns == last_val is not possible at this point because it