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5a414ff7 1/* Lock elision tunable parameters.
04277e02 2 Copyright (C) 2014-2019 Free Software Foundation, Inc.
5a414ff7
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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
5a82c748 17 <https://www.gnu.org/licenses/>. */
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18#ifndef _ELISION_CONF_H
19#define _ELISION_CONF_H 1
20
21#include <pthread.h>
22#include <time.h>
23
24/* Should make sure there is no false sharing on this. */
25
26struct elision_config
27{
28 int skip_lock_busy;
29 int skip_lock_internal_abort;
30 int skip_lock_out_of_tbegin_retries;
31 int try_tbegin;
32 int skip_trylock_internal_abort;
33};
34
35extern struct elision_config __elision_aconf attribute_hidden;
36
37extern int __pthread_force_elision attribute_hidden;
38
39/* Tell the test suite to test elision for this architecture. */
40#define HAVE_ELISION 1
41
42#endif