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/* 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, 2005, 2008, 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/>.  */

#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_FUNCTION  rtems_gxx_mutex_init

#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION  rtems_gxx_recursive_mutex_init

/* Avoid dependency on rtems specific headers.  */

typedef void *__gthread_key_t;

typedef int   __gthread_once_t;

typedef void *__gthread_mutex_t;

typedef void *__gthread_recursive_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_destroy (__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);

/* recursive mutex support */

extern void rtems_gxx_recursive_mutex_init (__gthread_recursive_mutex_t *__mutex);

extern int rtems_gxx_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex);

extern int rtems_gxx_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex);

extern int rtems_gxx_recursive_mutex_unlock (__gthread_recursive_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_destroy (__gthread_mutex_t *__mutex)

{

  return rtems_gxx_mutex_destroy (__mutex);

}

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 );

}

static inline int

__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)

{

    return rtems_gxx_recursive_mutex_lock (__mutex);

}

static inline int

__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)

{

    return rtems_gxx_recursive_mutex_trylock (__mutex);

}

static inline int

__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)

{

    return rtems_gxx_recursive_mutex_unlock( __mutex );

}

#ifdef __cplusplus

}

#endif

#endif /* ! GCC_GTHR_RTEMS_H */