155 lines
4.5 KiB
C
155 lines
4.5 KiB
C
/* RTEMS threads compatibility routines for libgcc2 and libobjc.
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by: Rosimildo da Silva( rdasilva@connecttel.com ) */
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/* Compile this one with gcc. */
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/* Copyright (C) 1997, 1999, 2000, 2002, 2003, 2005
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#ifndef GCC_GTHR_RTEMS_H
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#define GCC_GTHR_RTEMS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define __GTHREADS 1
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#define __GTHREAD_ONCE_INIT 0
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#define __GTHREAD_MUTEX_INIT 0
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#define __GTHREAD_MUTEX_INIT_FUNCTION rtems_gxx_mutex_init
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#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION rtems_gxx_recursive_mutex_init
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/* Avoid dependency on rtems specific headers. */
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typedef void *__gthread_key_t;
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typedef int __gthread_once_t;
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typedef void *__gthread_mutex_t;
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typedef void *__gthread_recursive_mutex_t;
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/*
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* External functions provided by RTEMS. They are very similar to their POSIX
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* counterparts. A "Wrapper API" is being use to avoid dependency on any RTEMS
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* header files.
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*/
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/* generic per task variables */
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extern int rtems_gxx_once (__gthread_once_t *once, void (*func) (void));
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extern int rtems_gxx_key_create (__gthread_key_t *key, void (*dtor) (void *));
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extern int rtems_gxx_key_delete (__gthread_key_t key);
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extern void *rtems_gxx_getspecific (__gthread_key_t key);
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extern int rtems_gxx_setspecific (__gthread_key_t key, const void *ptr);
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/* mutex support */
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extern void rtems_gxx_mutex_init (__gthread_mutex_t *mutex);
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extern int rtems_gxx_mutex_lock (__gthread_mutex_t *mutex);
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extern int rtems_gxx_mutex_trylock (__gthread_mutex_t *mutex);
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extern int rtems_gxx_mutex_unlock (__gthread_mutex_t *mutex);
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/* recursive mutex support */
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extern void rtems_gxx_recursive_mutex_init (__gthread_recursive_mutex_t *mutex);
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extern int rtems_gxx_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex);
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extern int rtems_gxx_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex);
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extern int rtems_gxx_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex);
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/* RTEMS threading is always active */
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static inline int
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__gthread_active_p (void)
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{
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return 1;
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}
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/* Wrapper calls */
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static inline int
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__gthread_once (__gthread_once_t *once, void (*func) (void))
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{
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return rtems_gxx_once( once, func );
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}
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static inline int
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__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
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{
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return rtems_gxx_key_create( key, dtor );
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}
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static inline int
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__gthread_key_delete (__gthread_key_t key)
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{
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return rtems_gxx_key_delete (key);
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}
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static inline void *
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__gthread_getspecific (__gthread_key_t key)
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{
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return rtems_gxx_getspecific (key);
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}
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static inline int
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__gthread_setspecific (__gthread_key_t key, const void *ptr)
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{
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return rtems_gxx_setspecific (key, ptr);
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}
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static inline int
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__gthread_mutex_lock (__gthread_mutex_t *mutex)
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{
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return rtems_gxx_mutex_lock (mutex);
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}
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static inline int
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__gthread_mutex_trylock (__gthread_mutex_t *mutex)
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{
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return rtems_gxx_mutex_trylock (mutex);
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}
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static inline int
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__gthread_mutex_unlock (__gthread_mutex_t *mutex)
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{
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return rtems_gxx_mutex_unlock( mutex );
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}
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static inline int
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__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
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{
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return rtems_gxx_recursive_mutex_lock (mutex);
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}
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static inline int
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__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
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{
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return rtems_gxx_recursive_mutex_trylock (mutex);
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}
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static inline int
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__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
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{
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return rtems_gxx_recursive_mutex_unlock( mutex );
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* ! GCC_GTHR_RTEMS_H */
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