projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * @OSF_COPYRIGHT@ | |
| 3 | */ | |
| 4 | ||
| 5 | /* | |
| 6 | * Mach Operating System | |
| 7 | * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University | |
| 8 | * All Rights Reserved. | |
| 9 | * | |
| 10 | * Permission to use, copy, modify and distribute this software and its | |
| 11 | * documentation is hereby granted, provided that both the copyright | |
| 12 | * notice and this permission notice appear in all copies of the | |
| 13 | * software, derivative works or modified versions, and any portions | |
| 14 | * thereof, and that both notices appear in supporting documentation. | |
| 15 | * | |
| 16 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 17 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 18 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 19 | * | |
| 20 | * Carnegie Mellon requests users of this software to return to | |
| 21 | * | |
| 22 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 23 | * School of Computer Science | |
| 24 | * Carnegie Mellon University | |
| 25 | * Pittsburgh PA 15213-3890 | |
| 26 | * | |
| 27 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 28 | * the rights to redistribute these changes. | |
| 29 | */ | |
| 30 | ||
| 31 | #include <mach/mach.h> | |
| 32 | #include "externs.h" | |
| 33 | ||
| 34 | mach_port_t bootstrap_port = MACH_PORT_NULL; | |
| 35 | mach_port_t name_server_port = MACH_PORT_NULL; | |
| 36 | mach_port_t environment_port = MACH_PORT_NULL; | |
| 37 | mach_port_t service_port = MACH_PORT_NULL; | |
| 38 | mach_port_t clock_port = MACH_PORT_NULL; | |
| 39 | mach_port_t thread_recycle_port = MACH_PORT_NULL; | |
| 40 | ||
| 41 | void | |
| 42 | mach_init_ports(void) | |
| 43 | { | |
| 44 | mach_port_array_t ports; | |
| 45 | mach_msg_type_number_t ports_count; | |
| 46 | kern_return_t kr; | |
| 47 | ||
| 48 | /* | |
| 49 | * Find those ports important to every task. | |
| 50 | */ | |
| 51 | kr = task_get_special_port(mach_task_self(), | |
| 52 | TASK_BOOTSTRAP_PORT, | |
| 53 | &bootstrap_port); | |
| 54 | if (kr != KERN_SUCCESS) | |
| 55 | return; | |
| 56 | ||
| 57 | kr = mach_ports_lookup(mach_task_self(), &ports, | |
| 58 | &ports_count); | |
| 59 | if ((kr != KERN_SUCCESS) || | |
| 60 | (ports_count < MACH_PORTS_SLOTS_USED)) | |
| 61 | return; | |
| 62 | ||
| 63 | name_server_port = ports[NAME_SERVER_SLOT]; | |
| 64 | environment_port = ports[ENVIRONMENT_SLOT]; | |
| 65 | service_port = ports[SERVICE_SLOT]; | |
| 66 | ||
| 67 | /* get rid of out-of-line data so brk has a chance of working */ | |
| 68 | ||
| 69 | (void) vm_deallocate(mach_task_self(), | |
| 70 | (vm_offset_t) ports, | |
| 71 | (vm_size_t) (ports_count * sizeof *ports)); | |
| 72 | ||
| 73 | /* Get the clock service port for nanosleep */ | |
| 74 | kr = host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &clock_port); | |
| 75 | if (kr != KERN_SUCCESS) { | |
| 76 | abort(); | |
| 77 | } | |
| 78 | kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &thread_recycle_port); | |
| 79 | if (kr != KERN_SUCCESS) { | |
| 80 | abort(); | |
| 81 | } | |
| 82 | kr = mach_port_insert_right(mach_task_self(), thread_recycle_port, thread_recycle_port, MACH_MSG_TYPE_MAKE_SEND); | |
| 83 | if (kr != KERN_SUCCESS) { | |
| 84 | abort(); | |
| 85 | } | |
| 86 | } | |
| 87 | ||
| 88 | #ifdef notdef | |
| 89 | /* will have problems with dylib build --> not needed anyway */ | |
| 90 | #ifndef lint | |
| 91 | /* | |
| 92 | * Routines which our library must suck in, to avoid | |
| 93 | * a later library from referencing them and getting | |
| 94 | * the wrong version. | |
| 95 | */ | |
| 96 | extern void _replacements(void); | |
| 97 | ||
| 98 | void | |
| 99 | _replacements(void) | |
| 100 | { | |
| 101 | (void)sbrk(0); /* Pull in our sbrk/brk */ | |
| 102 | (void)malloc(0); /* Pull in our malloc package */ | |
| 103 | } | |
| 104 | #endif /* lint */ | |
| 105 | #endif /* notdef */ |