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glibc/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.h
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/* elision-conf.h: Lock elision tunable parameters. | |
Copyright (C) 2013 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/>. */ | |
#ifndef _ELISION_CONF_H | |
#define _ELISION_CONF_H 1 | |
#include <pthread.h> | |
#include <cpuid.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 retry_try_xbegin; | |
int skip_trylock_internal_abort; | |
}; | |
extern struct elision_config __elision_aconf attribute_hidden; | |
extern int __rwlock_rtm_enabled attribute_hidden; | |
extern int __elision_available attribute_hidden; | |
extern int __pthread_force_elision attribute_hidden; | |
/* Tell the test suite to test elision for this architecture. */ | |
#define HAVE_ELISION 1 | |
#endif |