1497 	sbintime_t sbt, precision, tmp;  in kern_poll_kfds()  local
1507 			sbt = 0;  in kern_poll_kfds()
1518 			if (TIMESEL(&sbt, tmp))  in kern_poll_kfds()
1519 				sbt += tc_tick_sbt;  in kern_poll_kfds()
1520 			sbt += tmp;  in kern_poll_kfds()
1523 		sbt = -1;  in kern_poll_kfds()
1545 		error = seltdwait(td, sbt, precision);  in kern_poll_kfds()
1989 seltdwait(struct thread *td, sbintime_t sbt, sbintime_t precision)  in seltdwait()  argument
2008 	if (sbt == 0)  in seltdwait()
2010 	else if (sbt != -1)  in seltdwait()
2012 		    sbt, precision, C_ABSOLUTE);  in seltdwait()