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d4697bc9 | 1 | /* Copyright (C) 2010-2014 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
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16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #ifndef _SEMAPHORE_H | |
20 | # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." | |
21 | #endif | |
22 | ||
23 | ||
24 | #define __SIZEOF_SEM_T 16 | |
25 | ||
26 | ||
27 | /* Value returned if `sem_open' failed. */ | |
28 | #define SEM_FAILED ((sem_t *) 0) | |
29 | ||
30 | ||
31 | typedef union | |
32 | { | |
33 | char __size[__SIZEOF_SEM_T]; | |
fb88ab40 | 34 | long int __align __attribute__ ((__aligned__ (4))); |
40111cb9 | 35 | } sem_t; |