1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include <pthreadP.h>
20 #include <futex-internal.h>
21 #include <shlib-compat.h>
22
23 int
__pthread_condattr_setpshared(pthread_condattr_t * attr,int pshared)24 __pthread_condattr_setpshared (pthread_condattr_t *attr, int pshared)
25 {
26 int err = futex_supports_pshared (pshared);
27 if (err != 0)
28 return err;
29
30 int *valuep = &((struct pthread_condattr *) attr)->value;
31
32 *valuep = (*valuep & ~1) | (pshared != PTHREAD_PROCESS_PRIVATE);
33
34 return 0;
35 }
36 versioned_symbol (libc, __pthread_condattr_setpshared,
37 pthread_condattr_setpshared, GLIBC_2_34);
38
39 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
40 compat_symbol (libpthread, __pthread_condattr_setpshared,
41 pthread_condattr_setpshared, GLIBC_2_2);
42 #endif
43