129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/* RTEMS threads compatibility routines for libgcc2 and libobjc.
|
|
by: Rosimildo da Silva( rdasilva@connecttel.com ) */
|
|
/* Compile this one with gcc. */
|
|
/* Copyright (C) 1997, 1999, 2000, 2002, 2003 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, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA. */
|
|
|
|
/* As a special exception, if you link this library with other files,
|
|
some of which are compiled with GCC, to produce an executable,
|
|
this library does not by itself 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. */
|
|
|
|
#ifndef GCC_GTHR_RTEMS_H
|
|
#define GCC_GTHR_RTEMS_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define __GTHREADS 1
|
|
|
|
#define __GTHREAD_ONCE_INIT 0
|
|
#define __GTHREAD_MUTEX_INIT 0
|
|
#define __GTHREAD_MUTEX_INIT_FUNCTION rtems_gxx_mutex_init
|
|
|
|
/* Avoid dependency on rtems specific headers. */
|
|
typedef void *__gthread_key_t;
|
|
typedef int __gthread_once_t;
|
|
typedef void *__gthread_mutex_t;
|
|
|
|
/*
|
|
* External functions provided by RTEMS. They are very similar to their POSIX
|
|
* counterparts. A "Wrapper API" is being use to avoid dependency on any RTEMS
|
|
* header files.
|
|
*/
|
|
|
|
/* generic per task variables */
|
|
extern int rtems_gxx_once (__gthread_once_t *once, void (*func) (void));
|
|
extern int rtems_gxx_key_create (__gthread_key_t *key, void (*dtor) (void *));
|
|
extern int rtems_gxx_key_delete (__gthread_key_t key);
|
|
extern void *rtems_gxx_getspecific (__gthread_key_t key);
|
|
extern int rtems_gxx_setspecific (__gthread_key_t key, const void *ptr);
|
|
|
|
/* mutex support */
|
|
extern void rtems_gxx_mutex_init (__gthread_mutex_t *mutex);
|
|
extern int rtems_gxx_mutex_lock (__gthread_mutex_t *mutex);
|
|
extern int rtems_gxx_mutex_trylock (__gthread_mutex_t *mutex);
|
|
extern int rtems_gxx_mutex_unlock (__gthread_mutex_t *mutex);
|
|
|
|
|
|
/* RTEMS threading is always active */
|
|
static inline int
|
|
__gthread_active_p (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* Wrapper calls */
|
|
static inline int
|
|
__gthread_once (__gthread_once_t *once, void (*func) (void))
|
|
{
|
|
return rtems_gxx_once( once, func );
|
|
}
|
|
|
|
static inline int
|
|
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
|
|
{
|
|
return rtems_gxx_key_create( key, dtor );
|
|
}
|
|
|
|
static inline int
|
|
__gthread_key_delete (__gthread_key_t key)
|
|
{
|
|
return rtems_gxx_key_delete (key);
|
|
}
|
|
|
|
static inline void *
|
|
__gthread_getspecific (__gthread_key_t key)
|
|
{
|
|
return rtems_gxx_getspecific (key);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_setspecific (__gthread_key_t key, const void *ptr)
|
|
{
|
|
return rtems_gxx_setspecific (key, ptr);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_lock (__gthread_mutex_t *mutex)
|
|
{
|
|
return rtems_gxx_mutex_lock (mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
|
|
{
|
|
return rtems_gxx_mutex_trylock (mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
|
{
|
|
return rtems_gxx_mutex_unlock( mutex );
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ! GCC_GTHR_RTEMS_H */
|