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 */ 50