| /* Copyright (C) 2002, 2003, 2004, 2005, 2006 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #ifndef _BITS_PTHREADTYPES_H |
| #define _BITS_PTHREADTYPES_H 1 |
| |
| #include <endian.h> |
| |
| #define __SIZEOF_PTHREAD_ATTR_T 36 |
| #define __SIZEOF_PTHREAD_MUTEX_T 24 |
| #define __SIZEOF_PTHREAD_MUTEXATTR_T 4 |
| #define __SIZEOF_PTHREAD_COND_T 48 |
| #define __SIZEOF_PTHREAD_COND_COMPAT_T 12 |
| #define __SIZEOF_PTHREAD_CONDATTR_T 4 |
| #define __SIZEOF_PTHREAD_RWLOCK_T 32 |
| #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 |
| #define __SIZEOF_PTHREAD_BARRIER_T 20 |
| #define __SIZEOF_PTHREAD_BARRIERATTR_T 4 |
| |
| |
| /* Thread identifiers. The structure of the attribute type is not |
| exposed on purpose. */ |
| typedef unsigned long int pthread_t; |
| |
| |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_ATTR_T]; |
| long int __align; |
| } pthread_attr_t; |
| |
| |
| typedef struct __pthread_internal_slist |
| { |
| struct __pthread_internal_slist *__next; |
| } __pthread_slist_t; |
| |
| |
| /* Data structures for mutex handling. The structure of the attribute |
| type is not exposed on purpose. */ |
| typedef union |
| { |
| struct __pthread_mutex_s |
| { |
| int __lock; |
| unsigned int __count; |
| int __owner; |
| /* KIND must stay at this position in the structure to maintain |
| binary compatibility. */ |
| int __kind; |
| unsigned int __nusers; |
| __extension__ union |
| { |
| int __spins; |
| __pthread_slist_t __list; |
| }; |
| } __data; |
| char __size[__SIZEOF_PTHREAD_MUTEX_T]; |
| long int __align; |
| } pthread_mutex_t; |
| |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; |
| long int __align; |
| } pthread_mutexattr_t; |
| |
| |
| /* Data structure for conditional variable handling. The structure of |
| the attribute type is not exposed on purpose. */ |
| typedef union |
| { |
| struct |
| { |
| int __lock; |
| unsigned int __futex; |
| __extension__ unsigned long long int __total_seq; |
| __extension__ unsigned long long int __wakeup_seq; |
| __extension__ unsigned long long int __woken_seq; |
| void *__mutex; |
| unsigned int __nwaiters; |
| unsigned int __broadcast_seq; |
| } __data; |
| char __size[__SIZEOF_PTHREAD_COND_T]; |
| __extension__ long long int __align; |
| } pthread_cond_t; |
| |
| typedef union |
| { |
| char __size[__SIZEOF_PTHREAD_CONDATTR_T]; |
| long int __align; |
| } pthread_condattr_t; |
| |
| |
| /* Keys for thread-specific data */ |
| typedef unsigned int pthread_key_t; |
| |
| |
| /* Once-only execution */ |
| typedef int pthread_once_t; |
| |
| |
| #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
| /* Data structure for read-write lock variable handling. The |
| structure of the attribute type is not exposed on purpose. */ |
| typedef union |
| { |
| struct |
| { |
| int __lock; |
| unsigned int __nr_readers; |
| unsigned int __readers_wakeup; |
| unsigned int __writer_wakeup; |
| unsigned int __nr_readers_queued; |
| unsigned int __nr_writers_queued; |
| #if __BYTE_ORDER == __BIG_ENDIAN |
| unsigned char __pad1; |
| unsigned char __pad2; |
| unsigned char __shared; |
| /* FLAGS must stay at this position in the structure to maintain |
| binary compatibility. */ |
| unsigned char __flags; |
| #else |
| /* FLAGS must stay at this position in the structure to maintain |
| binary compatibility. */ |
| unsigned char __flags; |
| unsigned char __shared; |
| unsigned char __pad1; |
| unsigned char __pad2; |
| #endif |
| int __writer; |
| } __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 /* bits/pthreadtypes.h */ |