/* Mutex type.  Generic version.
   Copyright (C) 2000-2024 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 _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H
#define _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H	1

#include <bits/types/struct___pthread_mutexattr.h>

/* User visible part of a mutex.  */
struct __pthread_mutex
{
  unsigned int __lock;
  unsigned int __owner_id;
  unsigned int __cnt;
  int __shpid;
  int __type;
  int __flags;
  union
  {
    unsigned int __reserved[2];
    void *__pointer_aligned;
  };
};

/* Static mutex initializers. */
#define __PTHREAD_MUTEX_INITIALIZER   \
  { 0, 0, 0, 0, __PTHREAD_MUTEX_TIMED, 0, { { 0, 0 } } }

/* The +1 is to maintain binary compatibility with the old
 * libpthread implementation. */
#define __PTHREAD_ERRORCHECK_MUTEX_INITIALIZER   \
  { 0, 0, 0, 0, __PTHREAD_MUTEX_ERRORCHECK + 1, 0, { { 0, 0 } } }

#define __PTHREAD_RECURSIVE_MUTEX_INITIALIZER   \
  { 0, 0, 0, 0, __PTHREAD_MUTEX_RECURSIVE + 1, 0, { { 0, 0 } } }

#endif /* bits/types/struct___pthread_mutex.h */
