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d4697bc9 | 1 | /* Copyright (C) 2002-2014 Free Software Foundation, Inc. |
76a50749 UD |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
76a50749 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthreadP.h> | |
21 | ||
22 | ||
23 | int | |
24 | pthread_mutexattr_setpshared (attr, pshared) | |
25 | pthread_mutexattr_t *attr; | |
26 | int pshared; | |
27 | { | |
28 | struct pthread_mutexattr *iattr; | |
29 | ||
30 | if (pshared != PTHREAD_PROCESS_PRIVATE | |
31 | && __builtin_expect (pshared != PTHREAD_PROCESS_SHARED, 0)) | |
32 | return EINVAL; | |
33 | ||
34 | iattr = (struct pthread_mutexattr *) attr; | |
35 | ||
76a50749 | 36 | if (pshared == PTHREAD_PROCESS_PRIVATE) |
1bcfb5a5 | 37 | iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_PSHARED; |
76a50749 | 38 | else |
1bcfb5a5 | 39 | iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_PSHARED; |
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40 | |
41 | return 0; | |
42 | } |