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b168057a | 1 | /* Copyright (C) 2002-2015 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
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 | #include <string.h> | |
20 | #include <pthreadP.h> | |
21 | ||
22 | ||
23 | int | |
9d46370c | 24 | __pthread_mutexattr_init (pthread_mutexattr_t *attr) |
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25 | { |
26 | if (sizeof (struct pthread_mutexattr) != sizeof (pthread_mutexattr_t)) | |
27 | memset (attr, '\0', sizeof (*attr)); | |
28 | ||
a9e526e7 | 29 | /* We use bit 31 to signal whether the mutex is going to be |
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30 | process-shared or not. By default it is zero, i.e., the mutex is |
31 | not process-shared. */ | |
32 | ((struct pthread_mutexattr *) attr)->mutexkind = PTHREAD_MUTEX_NORMAL; | |
33 | ||
34 | return 0; | |
35 | } | |
36 | strong_alias (__pthread_mutexattr_init, pthread_mutexattr_init) |