1/* Copyright (C) 2002-2023 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
23int
24__pthread_mutexattr_setpshared (pthread_mutexattr_t *attr, int pshared)
25{
26 struct pthread_mutexattr *iattr;
27
28 int err = futex_supports_pshared (pshared);
29 if (err != 0)
30 return err;
31
32 iattr = (struct pthread_mutexattr *) attr;
33
34 if (pshared == PTHREAD_PROCESS_PRIVATE)
35 iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_PSHARED;
36 else
37 iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_PSHARED;
38
39 return 0;
40}
41versioned_symbol (libc, __pthread_mutexattr_setpshared,
42 pthread_mutexattr_setpshared, GLIBC_2_34);
43
44#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
45compat_symbol (libpthread, __pthread_mutexattr_setpshared,
46 pthread_mutexattr_setpshared, GLIBC_2_2);
47#endif
48