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| 1 | /* elision-conf.h: Lock elision tunable parameters. |
|---|---|
| 2 | Copyright (C) 2015-2022 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 | |
| 19 | #ifndef _ELISION_CONF_H |
| 20 | #define _ELISION_CONF_H 1 |
| 21 | |
| 22 | #include <pthread.h> |
| 23 | #include <time.h> |
| 24 | |
| 25 | #define ENABLE_ELISION_SUPPORT 1 |
| 26 | #define ELISION_UNLOCK_NEEDS_ADAPT_COUNT 1 |
| 27 | |
| 28 | /* Should make sure there is no false sharing on this. */ |
| 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 | } __attribute__ ((__aligned__ (128))); |
| 37 | |
| 38 | extern struct elision_config __elision_aconf attribute_hidden; |
| 39 | |
| 40 | #endif |
| 41 |
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