mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Lock elision tunable parameters.
|
|
Copyright (C) 2014-2015 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
#ifdef ENABLE_LOCK_ELISION
|
|
#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;
|
|
};
|
|
|
|
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
|
|
#endif
|