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/* Copyright (C) 2015-2022 Free Software Foundation, Inc.
Contributed by Sebastian Huber <sebastian.huber@embedded-brains.de>.
This file is part of the GNU OpenMP Library (libgomp).
Libgomp 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.
Libgomp 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/>. */
/* This is the RTEMS implementation of a semaphore synchronization
mechanism for libgomp. This type is private to the library. */
#ifndef GOMP_SEM_H
#define GOMP_SEM_H 1
#include <sys/lock.h>
typedef struct _Semaphore_Control gomp_sem_t;
static inline void gomp_sem_init (gomp_sem_t *sem, int value)
{
_Semaphore_Initialize (sem, (unsigned int) value);
}
static inline void gomp_sem_wait (gomp_sem_t *sem)
{
_Semaphore_Wait (sem);
}
static inline void gomp_sem_post (gomp_sem_t *sem)
{
_Semaphore_Post (sem);
}
static inline int gomp_sem_getcount (gomp_sem_t *sem)
{
return (int) __atomic_load_n (&sem->_count, MEMMODEL_RELAXED);
}
static inline void gomp_sem_destroy (gomp_sem_t *sem)
{
_Semaphore_Destroy (sem);
}
#endif /* GOMP_SEM_H */
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