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33574c17 1/* Mutex type. Generic version.
2b778ceb 2 Copyright (C) 2000-2021 Free Software Foundation, Inc.
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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
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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.
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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
ad2b41bf 13 Lesser General Public License for more details.
33574c17 14
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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/>. */
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18
19#ifndef _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H
20#define _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H 1
21
22#include <bits/types/struct___pthread_mutexattr.h>
23
24/* User visible part of a mutex. */
25struct __pthread_mutex
26{
27 unsigned int __lock;
28 unsigned int __owner_id;
29 unsigned int __cnt;
30 int __shpid;
31 int __type;
32 int __flags;
33 unsigned int __reserved1;
34 unsigned int __reserved2;
35};
36
37/* Static mutex initializers. */
38#define __PTHREAD_MUTEX_INITIALIZER \
39 { 0, 0, 0, 0, __PTHREAD_MUTEX_TIMED, 0, 0, 0 }
40
41/* The +1 is to mantain binary compatibility with the old
42 * libpthread implementation. */
43#define __PTHREAD_ERRORCHECK_MUTEX_INITIALIZER \
44 { 0, 0, 0, 0, __PTHREAD_MUTEX_ERRORCHECK + 1, 0, 0, 0 }
45
46#define __PTHREAD_RECURSIVE_MUTEX_INITIALIZER \
47 { 0, 0, 0, 0, __PTHREAD_MUTEX_RECURSIVE + 1, 0, 0, 0 }
48
49#endif /* bits/types/struct___pthread_mutex.h */