1/* MIPS internal mutex struct definitions.
 2   Copyright (C) 2019-2025 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 _THREAD_MUTEX_INTERNAL_H
20#define _THREAD_MUTEX_INTERNAL_H 1
21
22struct __pthread_mutex_s
23{
24  int __lock;
25  unsigned int __count;
26  int __owner;
27#if _MIPS_SIM == _ABI64
28  unsigned int __nusers;
29#endif
30  /* KIND must stay at this position in the structure to maintain
31     binary compatibility with static initializers.  */
32  int __kind;
33#if _MIPS_SIM == _ABI64
34  int __spins;
35  __pthread_list_t __list;
36# define __PTHREAD_MUTEX_HAVE_PREV      1
37#else
38  unsigned int __nusers;
39  __extension__ union
40  {
41    int __spins;
42    __pthread_slist_t __list;
43  };
44# define __PTHREAD_MUTEX_HAVE_PREV      0
45#endif
46};
47
48#if _MIPS_SIM == _ABI64
49# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
50  0, 0, 0, 0, __kind, 0, { 0, 0 }
51#else
52# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
53  0, 0, 0, __kind, 0, { 0 }
54#endif
55
56#endif