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- /* Copyright (C) 2002, 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
- #ifndef _SEMAPHORE_H
- # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
- #endif
-
- #include <bits/wordsize.h>
-
- #if __WORDSIZE == 64
- # define __SIZEOF_SEM_T 32
- #else
- # define __SIZEOF_SEM_T 16
- #endif
-
-
- /* Value returned if `sem_open' failed. */
- #define SEM_FAILED ((sem_t *) 0)
-
-
- typedef union
- {
- char __size[__SIZEOF_SEM_T];
- long int __align;
- } sem_t;
-