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 62mach_port_t bootstrap_port = MACH_PORT_NULL; 63mach_port_t name_server_port = MACH_PORT_NULL; 64mach_port_t environment_port = MACH_PORT_NULL; 65mach_port_t service_port = MACH_PORT_NULL; 66semaphore_t clock_sem = MACH_PORT_NULL; 67mach_port_t clock_port = MACH_PORT_NULL; 68mach_port_t thread_recycle_port = MACH_PORT_NULL; 69 70void 71mach_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 */ 131extern void _replacements(void); 132 133void 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 */ 141