1 /* Copyright (C) 2003-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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.
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.
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 <http://www.gnu.org/licenses/>. */
19 #ifndef _BITS_PTHREADTYPES_H
20 #define _BITS_PTHREADTYPES_H 1
22 #define __SIZEOF_PTHREAD_ATTR_T 56
23 #define __SIZEOF_PTHREAD_MUTEX_T 40
24 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
25 #define __SIZEOF_PTHREAD_COND_T 48
26 #define __SIZEOF_PTHREAD_CONDATTR_T 4
27 #define __SIZEOF_PTHREAD_RWLOCK_T 56
28 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
29 #define __SIZEOF_PTHREAD_BARRIER_T 32
30 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
33 /* Thread identifiers. The structure of the attribute type is not
34 exposed on purpose. */
35 typedef unsigned long int pthread_t
;
40 char __size
[__SIZEOF_PTHREAD_ATTR_T
];
43 #ifndef __have_pthread_attr_t
44 typedef union pthread_attr_t pthread_attr_t
;
45 # define __have_pthread_attr_t 1
49 typedef struct __pthread_internal_list
51 struct __pthread_internal_list
*__prev
;
52 struct __pthread_internal_list
*__next
;
56 /* Data structures for mutex handling. The structure of the attribute
57 type is not exposed on purpose. */
60 struct __pthread_mutex_s
65 unsigned int __nusers
;
66 /* KIND must stay at this position in the structure to maintain
67 binary compatibility. */
70 __pthread_list_t __list
;
71 #define __PTHREAD_MUTEX_HAVE_PREV 1
73 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
77 /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */
78 #define __PTHREAD_SPINS 0
82 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
84 } pthread_mutexattr_t
;
87 /* Data structure for conditional variable handling. The structure of
88 the attribute type is not exposed on purpose. */
95 __extension__
unsigned long long int __total_seq
;
96 __extension__
unsigned long long int __wakeup_seq
;
97 __extension__
unsigned long long int __woken_seq
;
99 unsigned int __nwaiters
;
100 unsigned int __broadcast_seq
;
102 char __size
[__SIZEOF_PTHREAD_COND_T
];
108 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
110 } pthread_condattr_t
;
113 /* Keys for thread-specific data */
114 typedef unsigned int pthread_key_t
;
117 /* Once-only execution */
118 typedef int pthread_once_t
;
121 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
122 /* Data structure for read-write lock variable handling. The
123 structure of the attribute type is not exposed on purpose. */
129 unsigned int __nr_readers
;
130 unsigned int __readers_wakeup
;
131 unsigned int __writer_wakeup
;
132 unsigned int __nr_readers_queued
;
133 unsigned int __nr_writers_queued
;
136 unsigned long int __pad1
;
137 unsigned long int __pad2
;
138 /* FLAGS must stay at this position in the structure to maintain
139 binary compatibility. */
140 unsigned int __flags
;
142 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
146 #define __PTHREAD_RWLOCK_ELISION_EXTRA 0
150 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
152 } pthread_rwlockattr_t
;
157 /* POSIX spinlock data type. */
158 typedef volatile int pthread_spinlock_t
;
161 /* POSIX barriers data type. The structure of the type is
162 deliberately not exposed. */
165 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
171 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
173 } pthread_barrierattr_t
;
177 #endif /* bits/pthreadtypes.h */