Blame sysdeps/unix/sysv/linux/powerpc/force-elision.h

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/* force-elision.h: Automatic enabling of elision for mutexes
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   Copyright (C) 2015-2018 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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/* Automatically enable elision for existing user lock kinds.  */
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#define FORCE_ELISION(m, s)						\
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  if (__pthread_force_elision						\
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      && (m->__data.__kind & PTHREAD_MUTEX_ELISION_FLAGS_NP) == 0)	\
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    {									\
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      mutex->__data.__kind |= PTHREAD_MUTEX_ELISION_NP;			\
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      s;								\
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    }