sysdeps/mach/hurd/htl/bits/types/struct___pthread_mutex.h

   1 /* Mutex type.  Generic version.
   2    Copyright (C) 2000-2022 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H
  20 #define _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H    1
  21
  22 #include <bits/types/struct___pthread_mutexattr.h>
  23
  24 /* User visible part of a mutex.  */
  25 struct __pthread_mutex
  26 {
  27   unsigned int __lock;
  28   unsigned int __owner_id;
  29   unsigned int __cnt;
  30   int __shpid;
  31   int __type;
  32   int __flags;
  33   unsigned int __reserved1;
  34   unsigned int __reserved2;
  35 };
  36
  37 /* Static mutex initializers. */
  38 #define __PTHREAD_MUTEX_INITIALIZER   \
  39   { 0, 0, 0, 0, __PTHREAD_MUTEX_TIMED, 0, 0, 0 }
  40
  41 /* The +1 is to mantain binary compatibility with the old
  42  * libpthread implementation. */
  43 #define __PTHREAD_ERRORCHECK_MUTEX_INITIALIZER   \
  44   { 0, 0, 0, 0, __PTHREAD_MUTEX_ERRORCHECK + 1, 0, 0, 0 }
  45
  46 #define __PTHREAD_RECURSIVE_MUTEX_INITIALIZER   \
  47   { 0, 0, 0, 0, __PTHREAD_MUTEX_RECURSIVE + 1, 0, 0, 0 }
  48
  49 #endif /* bits/types/struct___pthread_mutex.h */