/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Port and memory management for doing lookups to the lookup server * Copyright (C) 1989 by NeXT, Inc. */ /* * HISTORY * 27-Mar-90 Gregg Kellogg (gk) at NeXT * Changed to use bootstrap port instead of service port. * */ #include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <unistd.h> #include <mach/mach.h> #include <mach/error.h> #include <servers/bootstrap.h> mach_port_t _lu_port = MACH_PORT_NULL; static name_t LOOKUP_NAME = "lookup daemon v2"; mach_port_t _lookupd_port(mach_port_t port) { kern_return_t ret; if (port != MACH_PORT_NULL) { ret = bootstrap_register(bootstrap_port, LOOKUP_NAME, port); if (ret != BOOTSTRAP_SUCCESS) { mach_error("bootstrap_register() failed", ret); abort(); } return port; } else if ((_lu_port == MACH_PORT_NULL) && (getpid() > 1)) { ret = bootstrap_look_up(bootstrap_port, LOOKUP_NAME, &_lu_port); if (ret != BOOTSTRAP_SUCCESS && ret != BOOTSTRAP_UNKNOWN_SERVICE) { mach_error("bootstrap_look_up() failed", ret); _lu_port = MACH_PORT_NULL; } } return _lu_port; } /* called as child starts up. mach ports aren't inherited: trash cache */ void _lu_fork_child() { _lu_port = MACH_PORT_NULL; } void _lu_setport(mach_port_t desired) { if (_lu_port != MACH_PORT_NULL) { mach_port_deallocate(mach_task_self(), _lu_port); } _lu_port = desired; } int _lu_running(void) { return ((_lu_port != MACH_PORT_NULL) || (_lookupd_port(MACH_PORT_NULL) != MACH_PORT_NULL)); }