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f3c13160 | 1 | /* Machine-specific POSIX semaphore type layouts. PowerPC version. |
d614a753 | 2 | Copyright (C) 2003-2020 Free Software Foundation, Inc. |
f3c13160 RM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 17 | License along with the GNU C Library; if not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
f3c13160 RM |
19 | |
20 | #ifndef _SEMAPHORE_H | |
21 | # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." | |
22 | #endif | |
23 | ||
24 | #include <bits/wordsize.h> | |
25 | ||
26 | #if __WORDSIZE == 64 | |
27 | # define __SIZEOF_SEM_T 32 | |
28 | #else | |
29 | # define __SIZEOF_SEM_T 16 | |
30 | #endif | |
31 | ||
32 | /* Value returned if `sem_open' failed. */ | |
33 | #define SEM_FAILED ((sem_t *) 0) | |
34 | ||
f3c13160 RM |
35 | |
36 | typedef union | |
37 | { | |
38 | char __size[__SIZEOF_SEM_T]; | |
39 | long int __align; | |
40 | } sem_t; |