1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* elision-conf.h: Lock elision tunable parameters.
Copyright (C) 2015-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _ELISION_CONF_H
#define _ELISION_CONF_H 1
#include <pthread.h>
#include <time.h>
/* Should make sure there is no false sharing on this. */
struct elision_config
{
int skip_lock_busy;
int skip_lock_internal_abort;
int skip_lock_out_of_tbegin_retries;
int try_tbegin;
int skip_trylock_internal_abort;
} __attribute__ ((__aligned__ (128)));
extern struct elision_config __elision_aconf attribute_hidden;
extern int __pthread_force_elision attribute_hidden;
/* Tell the test suite to test elision for this architecture. */
#define HAVE_ELISION 1
#endif
|
