| /* GNU Objective C Runtime Thread Interface. |
| Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005, 2006 |
| Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under the |
| terms of the GNU General Public License as published by the Free Software |
| Foundation; either version 2, or (at your option) any later version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
| details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| /* As a special exception, if you link this library with files compiled with |
| GCC to produce an executable, this does not cause the resulting executable |
| to be covered by the GNU General Public License. This exception does not |
| however invalidate any other reasons why the executable file might be |
| covered by the GNU General Public License. */ |
| |
| #define _LIBOBJC |
| /* The line below is needed for declarations of functions such as |
| pthread_mutexattr_settype, without which gthr-posix.h may fail to |
| compile within libobjc. Unfortunately, this breaks compilation on |
| Tru64 UNIX V4.0F, so disable it there. */ |
| #ifndef __osf__ |
| #define _XOPEN_SOURCE 500 |
| #endif |
| #include "config.h" |
| #include "tconfig.h" |
| #include "coretypes.h" |
| #include "tm.h" |
| #include "defaults.h" |
| #include "objc/thr.h" |
| #include "objc/runtime.h" |
| #include <gthr.h> |
| |
| /* Backend initialization functions */ |
| |
| /* Initialize the threads subsystem. */ |
| int |
| __objc_init_thread_system(void) |
| { |
| return __gthread_objc_init_thread_system (); |
| } |
| |
| /* Close the threads subsystem. */ |
| int |
| __objc_close_thread_system(void) |
| { |
| return __gthread_objc_close_thread_system (); |
| } |
| |
| /* Backend thread functions */ |
| |
| /* Create a new thread of execution. */ |
| objc_thread_t |
| __objc_thread_detach(void (*func)(void *), void *arg) |
| { |
| return __gthread_objc_thread_detach (func, arg); |
| } |
| |
| /* Set the current thread's priority. */ |
| int |
| __objc_thread_set_priority(int priority) |
| { |
| return __gthread_objc_thread_set_priority (priority); |
| } |
| |
| /* Return the current thread's priority. */ |
| int |
| __objc_thread_get_priority(void) |
| { |
| return __gthread_objc_thread_get_priority (); |
| } |
| |
| /* Yield our process time to another thread. */ |
| void |
| __objc_thread_yield(void) |
| { |
| __gthread_objc_thread_yield (); |
| } |
| |
| /* Terminate the current thread. */ |
| int |
| __objc_thread_exit(void) |
| { |
| return __gthread_objc_thread_exit (); |
| } |
| |
| /* Returns an integer value which uniquely describes a thread. */ |
| objc_thread_t |
| __objc_thread_id(void) |
| { |
| return __gthread_objc_thread_id (); |
| } |
| |
| /* Sets the thread's local storage pointer. */ |
| int |
| __objc_thread_set_data(void *value) |
| { |
| return __gthread_objc_thread_set_data (value); |
| } |
| |
| /* Returns the thread's local storage pointer. */ |
| void * |
| __objc_thread_get_data(void) |
| { |
| return __gthread_objc_thread_get_data (); |
| } |
| |
| /* Backend mutex functions */ |
| |
| /* Allocate a mutex. */ |
| int |
| __objc_mutex_allocate(objc_mutex_t mutex) |
| { |
| return __gthread_objc_mutex_allocate (mutex); |
| } |
| |
| /* Deallocate a mutex. */ |
| int |
| __objc_mutex_deallocate(objc_mutex_t mutex) |
| { |
| return __gthread_objc_mutex_deallocate (mutex); |
| } |
| |
| /* Grab a lock on a mutex. */ |
| int |
| __objc_mutex_lock(objc_mutex_t mutex) |
| { |
| return __gthread_objc_mutex_lock (mutex); |
| } |
| |
| /* Try to grab a lock on a mutex. */ |
| int |
| __objc_mutex_trylock(objc_mutex_t mutex) |
| { |
| return __gthread_objc_mutex_trylock (mutex); |
| } |
| |
| /* Unlock the mutex */ |
| int |
| __objc_mutex_unlock(objc_mutex_t mutex) |
| { |
| return __gthread_objc_mutex_unlock (mutex); |
| } |
| |
| /* Backend condition mutex functions */ |
| |
| /* Allocate a condition. */ |
| int |
| __objc_condition_allocate(objc_condition_t condition) |
| { |
| return __gthread_objc_condition_allocate (condition); |
| } |
| |
| /* Deallocate a condition. */ |
| int |
| __objc_condition_deallocate(objc_condition_t condition) |
| { |
| return __gthread_objc_condition_deallocate (condition); |
| } |
| |
| /* Wait on the condition */ |
| int |
| __objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) |
| { |
| return __gthread_objc_condition_wait (condition, mutex); |
| } |
| |
| /* Wake up all threads waiting on this condition. */ |
| int |
| __objc_condition_broadcast(objc_condition_t condition) |
| { |
| return __gthread_objc_condition_broadcast (condition); |
| } |
| |
| /* Wake up one thread waiting on this condition. */ |
| int |
| __objc_condition_signal(objc_condition_t condition) |
| { |
| return __gthread_objc_condition_signal (condition); |
| } |
| |
| /* End of File */ |