808 		if (timevalisset(&aitv->it_value)) {  in kern_getitimer()
810 			if (timevalcmp(&aitv->it_value, &ctv, <))  in kern_getitimer()
811 				timevalclear(&aitv->it_value);  in kern_getitimer()
813 				timevalsub(&aitv->it_value, &ctv);  in kern_getitimer()
869 	if (itimerfix(&aitv->it_value) ||  in kern_setitimer()
870 	    aitv->it_value.tv_sec > INT32_MAX / 2)  in kern_setitimer()
872 	if (!timevalisset(&aitv->it_value))  in kern_setitimer()
880 		if (timevalisset(&p->p_realtimer.it_value))  in kern_setitimer()
883 		if (timevalisset(&aitv->it_value)) {  in kern_setitimer()
884 			pr = tvtosbt(aitv->it_value) >> tc_precexp;  in kern_setitimer()
885 			timevaladd(&aitv->it_value, &ctv);  in kern_setitimer()
886 			sbt = tvtosbt(aitv->it_value);  in kern_setitimer()
893 		if (timevalisset(&oitv->it_value)) {  in kern_setitimer()
894 			if (timevalcmp(&oitv->it_value, &ctv, <))  in kern_setitimer()
895 				timevalclear(&oitv->it_value);  in kern_setitimer()
897 				timevalsub(&oitv->it_value, &ctv);  in kern_setitimer()
904 		if (aitv->it_value.tv_sec == 0 &&  in kern_setitimer()
905 		    aitv->it_value.tv_usec != 0 &&  in kern_setitimer()
906 		    aitv->it_value.tv_usec < tick)  in kern_setitimer()
907 			aitv->it_value.tv_usec = tick;  in kern_setitimer()
928 	callout_reset_sbt(&p->p_itcallout, tvtosbt(p->p_realtimer.it_value),  in realitexpire_reset_callout()
944 		if (timevalcmp(&p->p_realtimer.it_value, &ctv, >=))  in itimer_proc_continue()
990 		timevalclear(&p->p_realtimer.it_value);  in realitexpire()
1000 		timevaladd(&p->p_realtimer.it_value,  in realitexpire()
1002 	} while (timevalcmp(&p->p_realtimer.it_value, &ctv, <=));  in realitexpire()
1045 	if (itp->it_value.tv_usec < usec) {  in itimerdecr()
1046 		if (itp->it_value.tv_sec == 0) {  in itimerdecr()
1048 			usec -= itp->it_value.tv_usec;  in itimerdecr()
1051 		itp->it_value.tv_usec += 1000000;  in itimerdecr()
1052 		itp->it_value.tv_sec--;  in itimerdecr()
1054 	itp->it_value.tv_usec -= usec;  in itimerdecr()
1056 	if (timevalisset(&itp->it_value))  in itimerdecr()
1061 		itp->it_value = itp->it_interval;  in itimerdecr()
1062 		itp->it_value.tv_usec -= usec;  in itimerdecr()
1063 		if (itp->it_value.tv_usec < 0) {  in itimerdecr()
1064 			itp->it_value.tv_usec += 1000000;  in itimerdecr()
1065 			itp->it_value.tv_sec--;  in itimerdecr()
1068 		itp->it_value.tv_usec = 0;		/* sec is already 0 */  in itimerdecr()
1304 	timespecclear(&it->it_time.it_value);  in kern_ktimer_create()
1579 	timespecclear(&it->it_time.it_value);  in realtimer_delete()
1600 	if (ovalue->it_value.tv_sec != 0 || ovalue->it_value.tv_nsec != 0) {  in realtimer_gettime()
1601 		timespecsub(&ovalue->it_value, &cts, &ovalue->it_value);  in realtimer_gettime()
1602 		if (ovalue->it_value.tv_sec < 0 ||  in realtimer_gettime()
1603 		    (ovalue->it_value.tv_sec == 0 &&  in realtimer_gettime()
1604 		     ovalue->it_value.tv_nsec == 0)) {  in realtimer_gettime()
1605 			ovalue->it_value.tv_sec  = 0;  in realtimer_gettime()
1606 			ovalue->it_value.tv_nsec = 1;  in realtimer_gettime()
1624 	if (itimespecfix(&val.it_value))  in realtimer_settime()
1627 	if (timespecisset(&val.it_value)) {  in realtimer_settime()
1638 	if (timespecisset(&val.it_value)) {  in realtimer_settime()
1643 		ts = val.it_value;  in realtimer_settime()
1646 			timespecadd(&it->it_time.it_value, &cts,  in realtimer_settime()
1647 			    &it->it_time.it_value);  in realtimer_settime()
1714 	if (error == 0 && timespeccmp(&cts, &it->it_time.it_value, >=)) {  in realtimer_expire_l()
1716 			timespecadd(&it->it_time.it_value,  in realtimer_expire_l()
1718 			    &it->it_time.it_value);  in realtimer_expire_l()
1721 			value = timespectons(&it->it_time.it_value);  in realtimer_expire_l()
1739 				it->it_time.it_value = timespecfromns(value);  in realtimer_expire_l()
1743 			timespecclear(&it->it_time.it_value);  in realtimer_expire_l()
1747 		if (timespecisset(&it->it_time.it_value)) {  in realtimer_expire_l()
1751 				timespecsub(&it->it_time.it_value, &cts, &ts);  in realtimer_expire_l()
1767 	} else if (timespecisset(&it->it_time.it_value)) {  in realtimer_expire_l()
1772 			ts = it->it_time.it_value;  in realtimer_expire_l()
1798 			timespecclear(&it->it_time.it_value);  in itimer_fire()