165 lines
4.7 KiB
C
165 lines
4.7 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) 1997-2014 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 3, 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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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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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_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_destroy (__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_destroy (__gthread_mutex_t *__mutex)
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{
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return rtems_gxx_mutex_destroy (__mutex);
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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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static inline int
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__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
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{
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/* This requires that recursive and non-recursive mutexes have the same
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representation. */
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return rtems_gxx_mutex_destroy (__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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