diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/elision-conf.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/elision-conf.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/elision-conf.h b/sysdeps/unix/sysv/linux/x86/elision-conf.h new file mode 100644 index 0000000000..6790b5aa13 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/elision-conf.h @@ -0,0 +1,43 @@ +/* elision-conf.h: Lock elision tunable parameters. + Copyright (C) 2013-2014 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 __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 |