| 1 | /* GNU Objective C Runtime Thread Interface.
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| 2 | Copyright (C) 1999 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GNU CC.
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| 5 |
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| 6 | GNU CC is free software; you can redistribute it and/or modify it under the
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| 7 | terms of the GNU General Public License as published by the Free Software
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| 8 | Foundation; either version 2, or (at your option) any later version.
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| 9 |
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| 10 | GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
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| 11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 12 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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| 13 | details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with GNU CC; see the file COPYING. If not, write to
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| 17 | the Free Software Foundation, 59 Temple Place - Suite 330,
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| 18 | Boston, MA 02111-1307, USA. */
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| 19 |
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| 20 | /* As a special exception, if you link this library with files compiled with
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| 21 | GCC to produce an executable, this does not cause the resulting executable
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| 22 | to be covered by the GNU General Public License. This exception does not
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| 23 | however invalidate any other reasons why the executable file might be
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| 24 | covered by the GNU General Public License. */
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| 25 |
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| 26 | #define _LIBOBJC
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| 27 | #include "tconfig.h"
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| 28 | #include "defaults.h"
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| 29 | #include <objc/thr.h>
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| 30 | #include "runtime.h"
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| 31 | #include <gthr.h>
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| 32 |
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| 33 | /* Backend initialization functions */
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| 34 |
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| 35 | /* Initialize the threads subsystem. */
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| 36 | int
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| 37 | __objc_init_thread_system(void)
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| 38 | {
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| 39 | return __gthread_objc_init_thread_system ();
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| 40 | }
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| 41 |
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| 42 | /* Close the threads subsystem. */
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| 43 | int
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| 44 | __objc_close_thread_system(void)
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| 45 | {
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| 46 | return __gthread_objc_close_thread_system ();
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| 47 | }
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| 48 |
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| 49 | /* Backend thread functions */
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| 50 |
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| 51 | /* Create a new thread of execution. */
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| 52 | objc_thread_t
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| 53 | __objc_thread_detach(void (*func)(void *), void *arg)
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| 54 | {
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| 55 | return __gthread_objc_thread_detach (func, arg);
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| 56 | }
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| 57 |
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| 58 | /* Set the current thread's priority. */
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| 59 | int
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| 60 | __objc_thread_set_priority(int priority)
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| 61 | {
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| 62 | return __gthread_objc_thread_set_priority (priority);
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| 63 | }
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| 64 |
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| 65 | /* Return the current thread's priority. */
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| 66 | int
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| 67 | __objc_thread_get_priority(void)
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| 68 | {
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| 69 | return __gthread_objc_thread_get_priority ();
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| 70 | }
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| 71 |
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| 72 | /* Yield our process time to another thread. */
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| 73 | void
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| 74 | __objc_thread_yield(void)
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| 75 | {
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| 76 | __gthread_objc_thread_yield ();
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| 77 | }
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| 78 |
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| 79 | /* Terminate the current thread. */
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| 80 | int
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| 81 | __objc_thread_exit(void)
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| 82 | {
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| 83 | return __gthread_objc_thread_exit ();
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| 84 | }
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| 85 |
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| 86 | /* Returns an integer value which uniquely describes a thread. */
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| 87 | objc_thread_t
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| 88 | __objc_thread_id(void)
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| 89 | {
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| 90 | return __gthread_objc_thread_id ();
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| 91 | }
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| 92 |
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| 93 | /* Sets the thread's local storage pointer. */
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| 94 | int
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| 95 | __objc_thread_set_data(void *value)
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| 96 | {
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| 97 | return __gthread_objc_thread_set_data (value);
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| 98 | }
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| 99 |
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| 100 | /* Returns the thread's local storage pointer. */
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| 101 | void *
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| 102 | __objc_thread_get_data(void)
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| 103 | {
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| 104 | return __gthread_objc_thread_get_data ();
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| 105 | }
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| 106 |
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| 107 | /* Backend mutex functions */
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| 108 |
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| 109 | /* Allocate a mutex. */
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| 110 | int
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| 111 | __objc_mutex_allocate(objc_mutex_t mutex)
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| 112 | {
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| 113 | return __gthread_objc_mutex_allocate (mutex);
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| 114 | }
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| 115 |
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| 116 | /* Deallocate a mutex. */
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| 117 | int
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| 118 | __objc_mutex_deallocate(objc_mutex_t mutex)
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| 119 | {
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| 120 | return __gthread_objc_mutex_deallocate (mutex);
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| 121 | }
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| 122 |
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| 123 | /* Grab a lock on a mutex. */
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| 124 | int
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| 125 | __objc_mutex_lock(objc_mutex_t mutex)
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| 126 | {
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| 127 | return __gthread_objc_mutex_lock (mutex);
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| 128 | }
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| 129 |
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| 130 | /* Try to grab a lock on a mutex. */
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| 131 | int
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| 132 | __objc_mutex_trylock(objc_mutex_t mutex)
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| 133 | {
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| 134 | return __gthread_objc_mutex_trylock (mutex);
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| 135 | }
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| 136 |
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| 137 | /* Unlock the mutex */
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| 138 | int
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| 139 | __objc_mutex_unlock(objc_mutex_t mutex)
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| 140 | {
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| 141 | return __gthread_objc_mutex_unlock (mutex);
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| 142 | }
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| 143 |
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| 144 | /* Backend condition mutex functions */
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| 145 |
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| 146 | /* Allocate a condition. */
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| 147 | int
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| 148 | __objc_condition_allocate(objc_condition_t condition)
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| 149 | {
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| 150 | return __gthread_objc_condition_allocate (condition);
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| 151 | }
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| 152 |
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| 153 | /* Deallocate a condition. */
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| 154 | int
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| 155 | __objc_condition_deallocate(objc_condition_t condition)
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| 156 | {
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| 157 | return __gthread_objc_condition_deallocate (condition);
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| 158 | }
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| 159 |
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| 160 | /* Wait on the condition */
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| 161 | int
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| 162 | __objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
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| 163 | {
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| 164 | return __gthread_objc_condition_wait (condition, mutex);
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| 165 | }
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| 166 |
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| 167 | /* Wake up all threads waiting on this condition. */
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| 168 | int
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| 169 | __objc_condition_broadcast(objc_condition_t condition)
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| 170 | {
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| 171 | return __gthread_objc_condition_broadcast (condition);
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| 172 | }
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| 173 |
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| 174 | /* Wake up one thread waiting on this condition. */
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| 175 | int
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| 176 | __objc_condition_signal(objc_condition_t condition)
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| 177 | {
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| 178 | return __gthread_objc_condition_signal (condition);
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| 179 | }
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| 180 |
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| 181 | /* End of File */
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