bsd/net/ntstat.c

683 			int32_t	oldrtt;
689 				oldrtt = stats->nstat_avg_rtt;
690 				if (oldrtt == 0)
696 					newrtt = oldrtt - (oldrtt - (int32_t)rtt) / factor;
698 				if (oldrtt == newrtt) break;
699 			} while (!OSCompareAndSwap(oldrtt, newrtt, &stats->nstat_avg_rtt));
704 				oldrtt = stats->nstat_min_rtt;
705 				if (oldrtt != 0 && oldrtt < (int32_t)rtt)
709 			} while (!OSCompareAndSwap(oldrtt, rtt, &stats->nstat_min_rtt));
714 				oldrtt = stats->nstat_var_rtt;
715 				if (oldrtt == 0)
721 					newrtt = oldrtt - (oldrtt - (int32_t)rtt_var) / factor;
723 				if (oldrtt == newrtt) break;
724 			} while (!OSCompareAndSwap(oldrtt, newrtt, &stats->nstat_var_rtt));