projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9385eb3d A |
1 | /* |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 9385eb3d A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 12 | * | |
| 13 | * The Original Code and all software distributed under the License are | |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 20 | * | |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| e9ce8d39 A |
23 | /* |
| 24 | * Port and memory management for doing lookups to the lookup server | |
| 25 | * Copyright (C) 1989 by NeXT, Inc. | |
| 26 | */ | |
| 27 | /* | |
| 28 | * HISTORY | |
| 29 | * 27-Mar-90 Gregg Kellogg (gk) at NeXT | |
| 30 | * Changed to use bootstrap port instead of service port. | |
| 31 | * | |
| 32 | */ | |
| 33 | #include <stdio.h> | |
| 9385eb3d A |
34 | #include <stdlib.h> |
| 35 | #include <sys/types.h> | |
| 36 | #include <unistd.h> | |
| e9ce8d39 | 37 | #include <mach/mach.h> |
| 9385eb3d | 38 | #include <mach/error.h> |
| e9ce8d39 A |
39 | #include <servers/bootstrap.h> |
| 40 | ||
| 41 | mach_port_t _lu_port = MACH_PORT_NULL; | |
| 5b2abdfb | 42 | static name_t LOOKUP_NAME = "lookup daemon v2"; |
| e9ce8d39 A |
43 | |
| 44 | mach_port_t _lookupd_port(mach_port_t port) { | |
| 3d9156a7 A |
45 | kern_return_t ret; |
| 46 | ||
| e9ce8d39 | 47 | if (port != MACH_PORT_NULL) { |
| 3d9156a7 | 48 | ret = bootstrap_register(bootstrap_port, LOOKUP_NAME, port); |
| e9ce8d39 A |
49 | if (ret != BOOTSTRAP_SUCCESS) { |
| 50 | mach_error("bootstrap_register() failed", ret); | |
| 51 | abort(); | |
| 52 | } | |
| 53 | return port; | |
| 3d9156a7 A |
54 | } else if ((_lu_port == MACH_PORT_NULL) && (getpid() > 1)) { |
| 55 | ret = bootstrap_look_up(bootstrap_port, LOOKUP_NAME, &_lu_port); | |
| 56 | if (ret != BOOTSTRAP_SUCCESS && ret != BOOTSTRAP_UNKNOWN_SERVICE) { | |
| 57 | mach_error("bootstrap_look_up() failed", ret); | |
| 58 | _lu_port = MACH_PORT_NULL; | |
| 59 | } | |
| e9ce8d39 A |
60 | } |
| 61 | return _lu_port; | |
| 62 | } | |
| 63 | ||
| 64 | /* called as child starts up. mach ports aren't inherited: trash cache */ | |
| 65 | void | |
| 66 | _lu_fork_child() | |
| 67 | { | |
| e9ce8d39 | 68 | _lu_port = MACH_PORT_NULL; |
| e9ce8d39 A |
69 | } |
| 70 | ||
| 71 | void | |
| 72 | _lu_setport(mach_port_t desired) | |
| 73 | { | |
| 74 | if (_lu_port != MACH_PORT_NULL) { | |
| 75 | mach_port_deallocate(mach_task_self(), _lu_port); | |
| 76 | } | |
| 77 | _lu_port = desired; | |
| 78 | } | |
| 79 | ||
| e9ce8d39 A |
80 | int |
| 81 | _lu_running(void) | |
| 82 | { | |
| 3d9156a7 A |
83 | return ((_lu_port != MACH_PORT_NULL) || |
| 84 | (_lookupd_port(MACH_PORT_NULL) != MACH_PORT_NULL)); | |
| e9ce8d39 | 85 | } |