Lines Matching defs:base
718 ipc_port_t base;
725 base = dest;
753 ip_lock(base);
755 if (!ip_active(base) ||
756 (base->ip_receiver_name != MACH_PORT_NULL) ||
757 (base->ip_destination == IP_NULL))
760 base = base->ip_destination;
763 /* all ports in chain from dest to base, inclusive, are locked */
765 if (port == base) {
770 /* port (== base) is in limbo */
814 while (port != base) {
828 /* base is not in transit */
830 assert(!ip_active(base) ||
831 (base->ip_receiver_name != MACH_PORT_NULL) ||
832 (base->ip_destination == IP_NULL));
833 ip_unlock(base);