1/* Get priority protocol setting from pthread_mutexattr_t.
2 Copyright (C) 2006-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <pthreadP.h>
20#include <shlib-compat.h>
21
22int
23__pthread_mutexattr_getprotocol (const pthread_mutexattr_t *attr, int *protocol)
24{
25 const struct pthread_mutexattr *iattr;
26
27 iattr = (const struct pthread_mutexattr *) attr;
28
29 *protocol = ((iattr->mutexkind & PTHREAD_MUTEXATTR_PROTOCOL_MASK)
30 >> PTHREAD_MUTEXATTR_PROTOCOL_SHIFT);
31
32 return 0;
33}
34versioned_symbol (libc, __pthread_mutexattr_getprotocol,
35 pthread_mutexattr_getprotocol, GLIBC_2_34);
36
37#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_4, GLIBC_2_34)
38compat_symbol (libpthread, __pthread_mutexattr_getprotocol,
39 pthread_mutexattr_getprotocol, GLIBC_2_4);
40#endif
41