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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Lock elision tunable parameters.
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Copyright (C) 2014-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifdef ENABLE_LOCK_ELISION
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#ifndef _ELISION_CONF_H
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#define _ELISION_CONF_H 1
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#include <pthread.h>
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#include <time.h>
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/* Should make sure there is no false sharing on this. */
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struct elision_config
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{
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int skip_lock_busy;
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int skip_lock_internal_abort;
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int skip_lock_out_of_tbegin_retries;
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int try_tbegin;
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int skip_trylock_internal_abort;
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};
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extern struct elision_config __elision_aconf attribute_hidden;
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extern int __pthread_force_elision attribute_hidden;
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/* Tell the test suite to test elision for this architecture. */
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#define HAVE_ELISION 1
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#endif
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#endif
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