sysdeps/unix/sysv/linux/powerpc/lowlevellock.h

   1 /* PowerPC specific lock definitions.
   2    Copyright (C) 2015-2017 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _POWERPC_LOWLEVELLOCK_H
  20 #define _POWERPC_LOWLEVELLOCK_H 1
  21
  22 #include <sysdeps/nptl/lowlevellock.h>
  23
  24 /* Transactional lock elision definitions.  */
  25 extern int __lll_timedlock_elision
  26   (int *futex, short *adapt_count, const struct timespec *timeout, int private)
  27   attribute_hidden;
  28
  29 #define lll_timedlock_elision(futex, adapt_count, timeout, private)           \
  30   __lll_timedlock_elision(&(futex), &(adapt_count), timeout, private)
  31
  32 extern int __lll_lock_elision (int *futex, short *adapt_count, int private)
  33   attribute_hidden;
  34
  35 extern int __lll_unlock_elision (int *lock, short *adapt_count, int private)
  36   attribute_hidden;
  37
  38 extern int __lll_trylock_elision(int *lock, short *adapt_count)
  39   attribute_hidden;
  40
  41 #define lll_lock_elision(futex, adapt_count, private) \
  42   __lll_lock_elision (&(futex), &(adapt_count), private)
  43 #define lll_unlock_elision(futex, adapt_count, private) \
  44   __lll_unlock_elision (&(futex), &(adapt_count), private)
  45 #define lll_trylock_elision(futex, adapt_count) \
  46   __lll_trylock_elision (&(futex), &(adapt_count))
  47
  48 #endif