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7adcbafe | 1 | /* Copyright (C) 2015-2022 Free Software Foundation, Inc. |
13c41b2e SH |
2 | Contributed by Sebastian Huber <sebastian.huber@embedded-brains.de>. |
3 | ||
4 | This file is part of the GNU OpenMP Library (libgomp). | |
5 | ||
6 | Libgomp is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3, or (at your option) | |
9 | any later version. | |
10 | ||
11 | Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | more details. | |
15 | ||
16 | Under Section 7 of GPL version 3, you are granted additional | |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
24 | ||
25 | /* This is the RTEMS implementation of a semaphore synchronization | |
26 | mechanism for libgomp. This type is private to the library. */ | |
27 | ||
28 | #ifndef GOMP_SEM_H | |
29 | #define GOMP_SEM_H 1 | |
30 | ||
31 | #include <sys/lock.h> | |
32 | ||
33 | typedef struct _Semaphore_Control gomp_sem_t; | |
34 | ||
35 | static inline void gomp_sem_init (gomp_sem_t *sem, int value) | |
36 | { | |
37 | _Semaphore_Initialize (sem, (unsigned int) value); | |
38 | } | |
39 | ||
40 | static inline void gomp_sem_wait (gomp_sem_t *sem) | |
41 | { | |
42 | _Semaphore_Wait (sem); | |
43 | } | |
44 | ||
45 | static inline void gomp_sem_post (gomp_sem_t *sem) | |
46 | { | |
47 | _Semaphore_Post (sem); | |
48 | } | |
49 | ||
0f951b3d SH |
50 | static inline int gomp_sem_getcount (gomp_sem_t *sem) |
51 | { | |
52 | return (int) __atomic_load_n (&sem->_count, MEMMODEL_RELAXED); | |
53 | } | |
54 | ||
13c41b2e SH |
55 | static inline void gomp_sem_destroy (gomp_sem_t *sem) |
56 | { | |
57 | _Semaphore_Destroy (sem); | |
58 | } | |
59 | ||
60 | #endif /* GOMP_SEM_H */ |