| | 1 | /* |
| | 2 | * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | /* |
| | 29 | * @OSF_COPYRIGHT@ |
| | 30 | */ |
| | 31 | |
| | 32 | /* |
| | 33 | * Mach Operating System |
| | 34 | * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University |
| | 35 | * All Rights Reserved. |
| | 36 | * |
| | 37 | * Permission to use, copy, modify and distribute this software and its |
| | 38 | * documentation is hereby granted, provided that both the copyright |
| | 39 | * notice and this permission notice appear in all copies of the |
| | 40 | * software, derivative works or modified versions, and any portions |
| | 41 | * thereof, and that both notices appear in supporting documentation. |
| | 42 | * |
| | 43 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| | 44 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| | 45 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| | 46 | * |
| | 47 | * Carnegie Mellon requests users of this software to return to |
| | 48 | * |
| | 49 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| | 50 | * School of Computer Science |
| | 51 | * Carnegie Mellon University |
| | 52 | * Pittsburgh PA 15213-3890 |
| | 53 | * |
| | 54 | * any improvements or extensions that they make and grant Carnegie Mellon |
| | 55 | * the rights to redistribute these changes. |
| | 56 | */ |
| | 57 | |
| | 58 | #include <mach/mach.h> |
| | 59 | #include <stdlib.h> |
| | 60 | #include "externs.h" |
| | 61 | |
| | 62 | mach_port_t bootstrap_port = MACH_PORT_NULL; |
| | 63 | mach_port_t name_server_port = MACH_PORT_NULL; |
| | 64 | mach_port_t environment_port = MACH_PORT_NULL; |
| | 65 | mach_port_t service_port = MACH_PORT_NULL; |
| | 66 | semaphore_t clock_sem = MACH_PORT_NULL; |
| | 67 | mach_port_t clock_port = MACH_PORT_NULL; |
| | 68 | mach_port_t thread_recycle_port = MACH_PORT_NULL; |
| | 69 | |
| | 70 | void |
| | 71 | mach_init_ports(void) |
| | 72 | { |
| | 73 | mach_port_array_t ports; |
| | 74 | mach_msg_type_number_t ports_count; |
| | 75 | kern_return_t kr; |
| | 76 | host_t host; |
| | 77 | |
| | 78 | /* |
| | 79 | * Find those ports important to every task. |
| | 80 | */ |
| | 81 | kr = task_get_special_port(mach_task_self(), |
| | 82 | TASK_BOOTSTRAP_PORT, |
| | 83 | &bootstrap_port); |
| | 84 | if (kr != KERN_SUCCESS) |
| | 85 | return; |
| | 86 | |
| | 87 | /* Get the clock service port for nanosleep */ |
| | 88 | host = mach_host_self(); |
| | 89 | kr = host_get_clock_service(host, SYSTEM_CLOCK, &clock_port); |
| | 90 | if (kr != KERN_SUCCESS) { |
| | 91 | abort(); |
| | 92 | } |
| | 93 | kr = semaphore_create(mach_task_self(), &clock_sem, SYNC_POLICY_FIFO, 0); |
| | 94 | if (kr != KERN_SUCCESS) { |
| | 95 | abort(); |
| | 96 | } |
| | 97 | mach_port_deallocate(mach_task_self(), host); |
| | 98 | kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &thread_recycle_port); |
| | 99 | if (kr != KERN_SUCCESS) { |
| | 100 | abort(); |
| | 101 | } |
| | 102 | |
| | 103 | /* |
| | 104 | * Find the options service ports. |
| | 105 | * XXX - Don't need these on Darwin, should go away. |
| | 106 | */ |
| | 107 | kr = mach_ports_lookup(mach_task_self(), &ports, |
| | 108 | &ports_count); |
| | 109 | if (kr == KERN_SUCCESS) { |
| | 110 | if (ports_count >= MACH_PORTS_SLOTS_USED) { |
| | 111 | name_server_port = ports[NAME_SERVER_SLOT]; |
| | 112 | environment_port = ports[ENVIRONMENT_SLOT]; |
| | 113 | service_port = ports[SERVICE_SLOT]; |
| | 114 | } |
| | 115 | |
| | 116 | /* get rid of out-of-line data */ |
| | 117 | (void) vm_deallocate(mach_task_self(), |
| | 118 | (vm_offset_t) ports, |
| | 119 | (vm_size_t) (ports_count * sizeof *ports)); |
| | 120 | } |
| | 121 | } |
| | 122 | |
| | 123 | #ifdef notdef |
| | 124 | /* will have problems with dylib build --> not needed anyway */ |
| | 125 | #ifndef lint |
| | 126 | /* |
| | 127 | * Routines which our library must suck in, to avoid |
| | 128 | * a later library from referencing them and getting |
| | 129 | * the wrong version. |
| | 130 | */ |
| | 131 | extern void _replacements(void); |
| | 132 | |
| | 133 | void |
| | 134 | _replacements(void) |
| | 135 | { |
| | 136 | (void)sbrk(0); /* Pull in our sbrk/brk */ |
| | 137 | (void)malloc(0); /* Pull in our malloc package */ |
| | 138 | } |
| | 139 | #endif /* lint */ |
| | 140 | #endif /* notdef */ |
projects / apple / xnu.git / blame_incremental