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2b778ceb | 1 | /* Copyright (C) 2002-2021 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 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
76a50749 | 18 | |
e29ef647 UD |
19 | #include <errno.h> |
20 | #include <pthreadP.h> | |
a2f0363f | 21 | #include <futex-internal.h> |
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22 | |
23 | int | |
9d46370c | 24 | pthread_condattr_setpshared (pthread_condattr_t *attr, int pshared) |
76a50749 | 25 | { |
a2f0363f TR |
26 | int err = futex_supports_pshared (pshared); |
27 | if (err != 0) | |
28 | return err; | |
e29ef647 | 29 | |
86a9ee5e UD |
30 | int *valuep = &((struct pthread_condattr *) attr)->value; |
31 | ||
e29ef647 | 32 | *valuep = (*valuep & ~1) | (pshared != PTHREAD_PROCESS_PRIVATE); |
76a50749 UD |
33 | |
34 | return 0; | |
35 | } |