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Diffstat (limited to 'libobjc/thr-pthreads.c')
-rw-r--r-- | libobjc/thr-pthreads.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/libobjc/thr-pthreads.c b/libobjc/thr-pthreads.c deleted file mode 100644 index d0a46f864cf..00000000000 --- a/libobjc/thr-pthreads.c +++ /dev/null @@ -1,217 +0,0 @@ -/* GNU Objective C Runtime Thread Implementation for PCThreads under GNU/Linux. - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Scott Christley <scottc@net-community.com> - Condition functions added by: Mircea Oancea <mircea@first.elcom.pub.ro> - -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 3, 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. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - - -#include <pcthread.h> -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Key structure for maintaining thread specific storage */ -static pthread_key_t _objc_thread_storage; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - return pthread_key_create(&_objc_thread_storage, NULL); -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* Destroy the thread storage key */ - /* Not implemented yet */ - /* return pthread_key_delete(&_objc_thread_storage); */ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - pthread_t new_thread_handle; - - if ( !(pthread_create(&new_thread_handle, NULL, (void *)func, arg)) ) - thread_id = *(objc_thread_t *)&new_thread_handle; - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - /* Not implemented yet */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - /* Not implemented yet */ - return OBJC_THREAD_INTERACTIVE_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - pthread_yield(NULL); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - pthread_exit(&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - pthread_t self = pthread_self(); - - return *(objc_thread_t *)&self; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - return pthread_setspecific(_objc_thread_storage, value); -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - void *value = NULL; - - if ( !(pthread_getspecific(_objc_thread_storage, &value)) ) - return value; - - return NULL; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (pthread_mutex_init((pthread_mutex_t *)(&(mutex->backend)), NULL)) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - if (pthread_mutex_destroy((pthread_mutex_t *)(&(mutex->backend)))) - return -1; - else - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - return pthread_mutex_lock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - return pthread_mutex_trylock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return pthread_mutex_unlock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - if (pthread_cond_init((pthread_cond_t *)(&(condition->backend)), NULL)) - return -1; - else - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return pthread_cond_destroy((pthread_cond_t *)(&(condition->backend))); -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return pthread_cond_wait((pthread_cond_t *)(&(condition->backend)), - (pthread_mutex_t *)(&(mutex->backend))); -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return pthread_cond_broadcast((pthread_cond_t *)(&(condition->backend))); -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return pthread_cond_signal((pthread_cond_t *)(&(condition->backend))); -} - -/* End of File */ |