1/* Pthread mutex tunable parameters.
2 Copyright (C) 2018-2023 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#ifndef _PTHREAD_MUTEX_CONF_H
19#define _PTHREAD_MUTEX_CONF_H 1
20
21#include <adaptive_spin_count.h>
22
23#if HAVE_TUNABLES
24struct mutex_config
25{
26 int spin_count;
27};
28
29extern struct mutex_config __mutex_aconf;
30libc_hidden_proto (__mutex_aconf)
31
32extern void __pthread_tunables_init (void) attribute_hidden;
33#else
34static inline void
35__pthread_tunables_init (void)
36{
37 /* No tunables to initialize. */
38}
39#endif
40
41#endif
42