1 /* Lock elision tunable parameters.
2    Copyright (C) 2014-2021 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 _ELISION_CONF_H
19 #define _ELISION_CONF_H 1
20 
21 #include <pthread.h>
22 #include <time.h>
23 
24 #define ENABLE_ELISION_SUPPORT 1
25 #define ELISION_UNLOCK_NEEDS_ADAPT_COUNT 1
26 
27 /* Should make sure there is no false sharing on this.  */
28 
29 struct elision_config
30 {
31   int skip_lock_busy;
32   int skip_lock_internal_abort;
33   int skip_lock_out_of_tbegin_retries;
34   int try_tbegin;
35   int skip_trylock_internal_abort;
36 };
37 
38 extern struct elision_config __elision_aconf attribute_hidden;
39 
40 #endif
41