61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
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/* Copyright (C) 2015-2022 Free Software Foundation, Inc.
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Contributed by Sebastian Huber <sebastian.huber@embedded-brains.de>.
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This file is part of the GNU OpenMP Library (libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp 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 FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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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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/* This is the RTEMS implementation of a semaphore synchronization
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mechanism for libgomp. This type is private to the library. */
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#ifndef GOMP_SEM_H
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#define GOMP_SEM_H 1
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#include <sys/lock.h>
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typedef struct _Semaphore_Control gomp_sem_t;
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static inline void gomp_sem_init (gomp_sem_t *sem, int value)
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{
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_Semaphore_Initialize (sem, (unsigned int) value);
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}
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static inline void gomp_sem_wait (gomp_sem_t *sem)
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{
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_Semaphore_Wait (sem);
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}
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static inline void gomp_sem_post (gomp_sem_t *sem)
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{
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_Semaphore_Post (sem);
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}
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static inline int gomp_sem_getcount (gomp_sem_t *sem)
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{
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return (int) __atomic_load_n (&sem->_count, MEMMODEL_RELAXED);
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}
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static inline void gomp_sem_destroy (gomp_sem_t *sem)
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{
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_Semaphore_Destroy (sem);
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}
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#endif /* GOMP_SEM_H */
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