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 | * @OSF_COPYRIGHT@ | |
| 25 | */ | |
| 26 | ||
| 27 | /* | |
| 28 | * Mach Operating System | |
| 29 | * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University | |
| 30 | * All Rights Reserved. | |
| 31 | * | |
| 32 | * Permission to use, copy, modify and distribute this software and its | |
| 33 | * documentation is hereby granted, provided that both the copyright | |
| 34 | * notice and this permission notice appear in all copies of the | |
| 35 | * software, derivative works or modified versions, and any portions | |
| 36 | * thereof, and that both notices appear in supporting documentation. | |
| 37 | * | |
| 38 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 39 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 40 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 41 | * | |
| 42 | * Carnegie Mellon requests users of this software to return to | |
| 43 | * | |
| 44 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 45 | * School of Computer Science | |
| 46 | * Carnegie Mellon University | |
| 47 | * Pittsburgh PA 15213-3890 | |
| 48 | * | |
| 49 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 50 | * the rights to redistribute these changes. | |
| 51 | */ | |
| 52 | ||
| 53 | #include <mach/mach.h> | |
| 9385eb3d | 54 | #include <stdlib.h> |
| e9ce8d39 A |
55 | #include "externs.h" |
| 56 | ||
| 57 | mach_port_t bootstrap_port = MACH_PORT_NULL; | |
| 58 | mach_port_t name_server_port = MACH_PORT_NULL; | |
| 59 | mach_port_t environment_port = MACH_PORT_NULL; | |
| 60 | mach_port_t service_port = MACH_PORT_NULL; | |
| 61 | mach_port_t clock_port = MACH_PORT_NULL; | |
| 62 | mach_port_t thread_recycle_port = MACH_PORT_NULL; | |
| 63 | ||
| 64 | void | |
| 65 | mach_init_ports(void) | |
| 66 | { | |
| 67 | mach_port_array_t ports; | |
| 68 | mach_msg_type_number_t ports_count; | |
| 69 | kern_return_t kr; | |
| 5b2abdfb | 70 | host_t host; |
| e9ce8d39 A |
71 | |
| 72 | /* | |
| 73 | * Find those ports important to every task. | |
| 74 | */ | |
| 75 | kr = task_get_special_port(mach_task_self(), | |
| 76 | TASK_BOOTSTRAP_PORT, | |
| 77 | &bootstrap_port); | |
| 78 | if (kr != KERN_SUCCESS) | |
| 79 | return; | |
| 80 | ||
| 81 | kr = mach_ports_lookup(mach_task_self(), &ports, | |
| 82 | &ports_count); | |
| 83 | if ((kr != KERN_SUCCESS) || | |
| 84 | (ports_count < MACH_PORTS_SLOTS_USED)) | |
| 85 | return; | |
| 86 | ||
| 87 | name_server_port = ports[NAME_SERVER_SLOT]; | |
| 88 | environment_port = ports[ENVIRONMENT_SLOT]; | |
| 89 | service_port = ports[SERVICE_SLOT]; | |
| 90 | ||
| 91 | /* get rid of out-of-line data so brk has a chance of working */ | |
| 92 | ||
| 93 | (void) vm_deallocate(mach_task_self(), | |
| 94 | (vm_offset_t) ports, | |
| 95 | (vm_size_t) (ports_count * sizeof *ports)); | |
| 96 | ||
| 97 | /* Get the clock service port for nanosleep */ | |
| 5b2abdfb A |
98 | host = mach_host_self(); |
| 99 | kr = host_get_clock_service(host, SYSTEM_CLOCK, &clock_port); | |
| e9ce8d39 A |
100 | if (kr != KERN_SUCCESS) { |
| 101 | abort(); | |
| 102 | } | |
| 5b2abdfb | 103 | mach_port_deallocate(mach_task_self(), host); |
| e9ce8d39 A |
104 | kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &thread_recycle_port); |
| 105 | if (kr != KERN_SUCCESS) { | |
| 106 | abort(); | |
| 107 | } | |
| e9ce8d39 A |
108 | } |
| 109 | ||
| 110 | #ifdef notdef | |
| 111 | /* will have problems with dylib build --> not needed anyway */ | |
| 112 | #ifndef lint | |
| 113 | /* | |
| 114 | * Routines which our library must suck in, to avoid | |
| 115 | * a later library from referencing them and getting | |
| 116 | * the wrong version. | |
| 117 | */ | |
| 118 | extern void _replacements(void); | |
| 119 | ||
| 120 | void | |
| 121 | _replacements(void) | |
| 122 | { | |
| 123 | (void)sbrk(0); /* Pull in our sbrk/brk */ | |
| 124 | (void)malloc(0); /* Pull in our malloc package */ | |
| 125 | } | |
| 126 | #endif /* lint */ | |
| 127 | #endif /* notdef */ |