1 /* Copyright (C) 2002-2012 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <http://www.gnu.org/licenses/>. */
18 #ifndef _BITS_PTHREADTYPES_H
19 #define _BITS_PTHREADTYPES_H 1
23 #define __SIZEOF_PTHREAD_ATTR_T 36
24 #define __SIZEOF_PTHREAD_MUTEX_T 24
25 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
26 #define __SIZEOF_PTHREAD_COND_T 48
27 #define __SIZEOF_PTHREAD_COND_COMPAT_T 12
28 #define __SIZEOF_PTHREAD_CONDATTR_T 4
29 #define __SIZEOF_PTHREAD_RWLOCK_T 32
30 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
31 #define __SIZEOF_PTHREAD_BARRIER_T 20
32 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
35 /* Thread identifiers. The structure of the attribute type is not
36 exposed on purpose. */
37 typedef unsigned long int pthread_t
;
42 char __size
[__SIZEOF_PTHREAD_ATTR_T
];
45 #ifndef __have_pthread_attr_t
46 typedef union pthread_attr_t pthread_attr_t
;
47 # define __have_pthread_attr_t 1
51 typedef struct __pthread_internal_slist
53 struct __pthread_internal_slist
*__next
;
57 /* Data structures for mutex handling. The structure of the attribute
58 type is not exposed on purpose. */
61 struct __pthread_mutex_s
66 /* KIND must stay at this position in the structure to maintain
67 binary compatibility. */
69 unsigned int __nusers
;
73 __pthread_slist_t __list
;
76 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
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
];
103 __extension__
long long int __align
;
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
;
134 #if __BYTE_ORDER == __BIG_ENDIAN
135 unsigned char __pad1
;
136 unsigned char __pad2
;
137 unsigned char __shared
;
138 /* FLAGS must stay at this position in the structure to maintain
139 binary compatibility. */
140 unsigned char __flags
;
142 /* FLAGS must stay at this position in the structure to maintain
143 binary compatibility. */
144 unsigned char __flags
;
145 unsigned char __shared
;
146 unsigned char __pad1
;
147 unsigned char __pad2
;
151 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
157 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
159 } pthread_rwlockattr_t
;
164 /* POSIX spinlock data type. */
165 typedef volatile int pthread_spinlock_t
;
168 /* POSIX barriers data type. The structure of the type is
169 deliberately not exposed. */
172 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
178 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
180 } pthread_barrierattr_t
;
184 #endif /* bits/pthreadtypes.h */