about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/s390/lowlevellock.h
blob: c790077a79f08143650b3edee67b36dff82cf8c1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.

   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
   <https://www.gnu.org/licenses/>.  */

#ifndef _S390_LOWLEVELLOCK_H
#define _S390_LOWLEVELLOCK_H	1

#include <sysdeps/nptl/lowlevellock.h>

/* Transactional lock elision definitions.  */
extern int __lll_clocklock_elision
  (int *futex, short *adapt_count,
   clockid_t clockid, const struct timespec *timeout, int private)
  attribute_hidden;

#  define lll_clocklock_elision(futex, adapt_count, clockid, timeout, private) \
  __lll_clocklock_elision (&(futex), &(adapt_count), clockid, timeout, private)

extern int __lll_lock_elision (int *futex, short *adapt_count, int private)
  attribute_hidden;

extern int __lll_unlock_elision(int *futex, short *adapt_count, int private)
  attribute_hidden;

extern int __lll_trylock_elision(int *futex, short *adapt_count)
  attribute_hidden;

#  define lll_lock_elision(futex, adapt_count, private) \
  __lll_lock_elision (&(futex), &(adapt_count), private)
#  define lll_unlock_elision(futex, adapt_count, private) \
  __lll_unlock_elision (&(futex), &(adapt_count), private)
#  define lll_trylock_elision(futex, adapt_count) \
  __lll_trylock_elision(&(futex), &(adapt_count))

#endif	/* lowlevellock.h */