1 /* Copyright (C) 2011 Free Software Foundation, Inc.
3 This file is part of the GNU OpenMP Library (libgomp).
5 Libgomp is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
10 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
24 /* This is a variant of config/posix/sem.h for Tru64 UNIX. The librt
25 sem_init implementation assumes int (4-byte) alignment for sem_t, while
26 the type only requires short (2-byte) alignment. This mismatch causes
27 lots of unaligned access warnings from the kernel, so enforce that
33 #include <semaphore.h>
35 typedef sem_t gomp_sem_t __attribute__((aligned (__alignof__ (int))));
37 static inline void gomp_sem_init (gomp_sem_t *sem, int value)
39 sem_init (sem, 0, value);
42 extern void gomp_sem_wait (gomp_sem_t *sem);
44 static inline void gomp_sem_post (gomp_sem_t *sem)
49 static inline void gomp_sem_destroy (gomp_sem_t *sem)
53 #endif /* GOMP_SEM_H */