428 			.msgh_local_port  = MACH_PORT_NULL,  in send_reply()
439 	    MACH_PORT_NULL,  in send_reply()
897 	if (msg_port == MACH_PORT_NULL) {  in send()
908 	    0, MACH_PORT_NULL, 10000, priority);  in send()
922 			.msgh_remote_port = MACH_PORT_NULL,  in receive()
993 	send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,  in qos_client_send_to_intransit()
1000 	send(qos_send_port, MACH_PORT_NULL, msg_port,  in qos_client_send_to_intransit()
1005 		send(msg_port, MACH_PORT_NULL, MACH_PORT_NULL,  in qos_client_send_to_intransit()
1011 	send(msg_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_to_intransit()
1067 	send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,  in qos_send_and_sync_rcv()
1070 	send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,  in qos_send_and_sync_rcv()
1101 	send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,  in qos_sync_rcv()
1181 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_sync_msg_and_test_link()
1227 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_2sync_msg_and_test_link()
1235 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_2sync_msg_and_test_link()
1325 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_sync_msg()
1421 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_two_sync_msg_high_qos()
1448 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_send_two_sync_msg_low_qos()
1470 static mach_port_t other_thread_reply_port = MACH_PORT_NULL;
1503 	send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,  in qos_client_create_sepcial_reply_and_spawn_thread()
1507 	send(qos_send_port, special_reply_port, MACH_PORT_NULL,  in qos_client_create_sepcial_reply_and_spawn_thread()
1529 static mach_port_t send_complex_connection_port = MACH_PORT_NULL;
1575 	send(conn_port, tsr_port, MACH_PORT_NULL,  in qos_client_send_to_connection_then_service_port()
1758 			.msgh_remote_port = MACH_PORT_NULL,  in special_reply_port_thread()
1765 	    rcv_msg.header.msgh_size, rcv_port, 1000, MACH_PORT_NULL);  in special_reply_port_thread()
1769 	*(mach_port_t *)ctxt = MACH_PORT_NULL;  in special_reply_port_thread()
1774 	    rcv_msg.header.msgh_size, rcv_port, 1000, MACH_PORT_NULL);  in special_reply_port_thread()