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d614a753 | 1 | /* Copyright (C) 2002-2020 Free Software Foundation, Inc. |
554066b8 MS |
2 | |
3 | This file is part of the GNU C Library. | |
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 | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
554066b8 MS |
18 | |
19 | #ifndef _SEMAPHORE_H | |
20 | # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." | |
21 | #endif | |
22 | ||
23 | ||
389d1f1b SE |
24 | #ifdef __ILP32__ |
25 | # define __SIZEOF_SEM_T 16 | |
26 | #else | |
27 | # define __SIZEOF_SEM_T 32 | |
28 | #endif | |
554066b8 MS |
29 | |
30 | ||
31 | /* Value returned if `sem_open' failed. */ | |
32 | #define SEM_FAILED ((sem_t *) 0) | |
33 | ||
34 | ||
35 | typedef union | |
36 | { | |
37 | char __size[__SIZEOF_SEM_T]; | |
389d1f1b | 38 | long long int __align; |
554066b8 | 39 | } sem_t; |