| /* Declaration of common pthread types for all architectures. |
| Copyright (C) 2017-2021 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_PTHREADTYPES_COMMON_H |
| # define _BITS_PTHREADTYPES_COMMON_H 1 |
| |
| /* For internal mutex and condition variable definitions. */ |
| #include <bits/thread-shared-types.h> |
| |
| /* Thread identifiers. The structure of the attribute type is not |
| exposed on purpose. */ |
| typedef unsigned long int pthread_t; |
| |
| |
| /* Data structures for mutex handling. The structure of the attribute |
| type is not exposed on purpose. */ |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; |
| int __align; |
| } pthread_mutexattr_t; |
| |
| |
| /* Data structure for condition variable handling. The structure of |
| the attribute type is not exposed on purpose. */ |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_CONDATTR_T]; |
| int __align; |
| } pthread_condattr_t; |
| |
| |
| /* Keys for thread-specific data */ |
| typedef unsigned int pthread_key_t; |
| |
| |
| /* Once-only execution */ |
| typedef int __ONCE_ALIGNMENT pthread_once_t; |
| |
| |
| union pthread_attr_t |
| { |
| char __size[__SIZEOF_PTHREAD_ATTR_T]; |
| long int __align; |
| }; |
| #ifndef __have_pthread_attr_t |
| typedef union pthread_attr_t pthread_attr_t; |
| # define __have_pthread_attr_t 1 |
| #endif |
| |
| |
| typedef union |
| { |
| struct __pthread_mutex_s __data; |
| char __size[__SIZEOF_PTHREAD_MUTEX_T]; |
| long int __align; |
| } pthread_mutex_t; |
| |
| |
| typedef union |
| { |
| struct __pthread_cond_s __data; |
| char __size[__SIZEOF_PTHREAD_COND_T]; |
| __extension__ long long int __align; |
| } pthread_cond_t; |
| |
| |
| #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
| /* Data structure for reader-writer lock variable handling. The |
| structure of the attribute type is deliberately not exposed. */ |
| typedef union |
| { |
| struct __pthread_rwlock_arch_t __data; |
| char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
| long int __align; |
| } pthread_rwlock_t; |
| |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; |
| long int __align; |
| } pthread_rwlockattr_t; |
| #endif |
| |
| |
| #ifdef __USE_XOPEN2K |
| /* POSIX spinlock data type. */ |
| typedef volatile int pthread_spinlock_t; |
| |
| |
| /* POSIX barriers data type. The structure of the type is |
| deliberately not exposed. */ |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_BARRIER_T]; |
| long int __align; |
| } pthread_barrier_t; |
| |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; |
| int __align; |
| } pthread_barrierattr_t; |
| #endif |
| |
| #endif |