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Diffstat (limited to 'linuxthreads/semaphore.h')
| -rw-r--r-- | linuxthreads/semaphore.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/linuxthreads/semaphore.h b/linuxthreads/semaphore.h new file mode 100644 index 0000000000..9f01a7f4fa --- /dev/null +++ b/linuxthreads/semaphore.h @@ -0,0 +1,38 @@ +/* Linuxthreads - a simple clone()-based implementation of Posix */ +/* threads for Linux. */ +/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU Library General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* This program 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 Library General Public License for more details. */ + +#ifndef _SEMAPHORE_H +#define _SEMAPHORE_H 1 + +#include <features.h> + +#include <limits.h> + +#define SEM_VALUE_MAX INT_MAX + +/* Get the semaphore structure definition. */ +#include <bits/semaphore.h> + +__BEGIN_DECLS + +extern int sem_init __P((sem_t *__sem, int __pshared, unsigned int __value)); +extern int sem_destroy __P((sem_t *__sem)); +extern int sem_wait __P((sem_t *__sem)); +extern int sem_trywait __P((sem_t *__sem)); +extern int sem_post __P((sem_t *__sem)); +extern int sem_getvalue __P((sem_t *__sem, int *__sval)); + +__END_DECLS + +#endif /* semaphore.h */ |