sys/kern/kern_umtx.c

261 static void abs_timeout_update(struct abs_timeout *timo);
772 abs_timeout_init(struct abs_timeout *timo, int clockid, int absolute,
776 	timo->clockid = clockid;
778 		timo->is_abs_real = false;
779 		abs_timeout_update(timo);
780 		timo->end = timo->cur;
781 		timespecadd(&timo->end, timeout);
783 		timo->end = *timeout;
784 		timo->is_abs_real = clockid == CLOCK_REALTIME ||
791 		if (!timo->is_abs_real) {
792 			abs_timeout_update(timo);
798 abs_timeout_init2(struct abs_timeout *timo, const struct _umtx_time *umtxtime)
801 	abs_timeout_init(timo, umtxtime->_clockid,
806 abs_timeout_update(struct abs_timeout *timo)
809 	kern_clock_gettime(curthread, timo->clockid, &timo->cur);
813 abs_timeout_gethz(struct abs_timeout *timo)
817 	if (timespeccmp(&timo->end, &timo->cur, <=))
819 	tts = timo->end;
820 	timespecsub(&tts, &timo->cur);
845 	int error, timo;
860 			timo = abs_timeout_gethz(abstime);
861 			if (timo < 0) {
866 			timo = 0;
867 		error = msleep(uq, &uc->uc_lock, PCATCH | PDROP, wmesg, timo);
948 	struct abs_timeout timo;
960 		abs_timeout_init2(&timo, timeout);
980 			    NULL : &timo);
1021 	struct abs_timeout timo;
1030 		abs_timeout_init2(&timo, timeout);
1157 			    NULL : &timo);
1660     const char *wmesg, struct abs_timeout *timo, bool shared)
1705 	error = umtxq_sleep(uq, wmesg, timo);
1798 	struct abs_timeout timo;
1813 		abs_timeout_init2(&timo, timeout);
1953 			    "umtxpi", timeout == NULL ? NULL : &timo,
2102 	struct abs_timeout timo;
2117 		abs_timeout_init2(&timo, timeout);
2196 		    NULL : &timo);
2488 	struct abs_timeout timo;
2535 		abs_timeout_init(&timo, clockid, (wflags & CVWAIT_ABSTIME) != 0,
2541 		    NULL : &timo);
2636 	struct abs_timeout timo;
2652 		abs_timeout_init2(&timo, timeout);
2754 			    NULL : &timo);
2816 	struct abs_timeout timo;
2833 		abs_timeout_init2(&timo, timeout);
2932 			    NULL : &timo);
3104 	struct abs_timeout timo;
3118 		abs_timeout_init2(&timo, timeout);
3138 	error = umtxq_sleep(uq, "usem", timeout == NULL ? NULL : &timo);
3197 	struct abs_timeout timo;
3209 		abs_timeout_init2(&timo, timeout);
3250 	error = umtxq_sleep(uq, "usem", timeout == NULL ? NULL : &timo);
3261 				abs_timeout_update(&timo);
3262 				timeout->_timeout = timo.end;
3263 				timespecsub(&timeout->_timeout, &timo.cur);