about summary refs log tree commit diff
path: root/sysdeps/csky/nptl/bits/semaphore.h
blob: 69b37249f5e334f77545b58dadd51ca328f18937 (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
/* Machine-specific POSIX semaphore type layouts.  C-SKY version.
   Copyright (C) 2018-2020 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   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 _SEMAPHORE_H
# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
#endif


#define __SIZEOF_SEM_T	16


/* Value returned if `sem_open' failed.  */
#define SEM_FAILED	((sem_t *) 0)


typedef union
{
  char __size[__SIZEOF_SEM_T];
  long int __align;
} sem_t;