libobjc/thr-objc.c

/* GNU Objective C Runtime Thread Interface.
   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2009
   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 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/>.  */


#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 */