1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Based on work contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <http://www.gnu.org/licenses/>. */
20 #ifndef _BITS_PTHREADTYPES_H
21 #define _BITS_PTHREADTYPES_H 1
23 #include <bits/wordsize.h>
26 # define __SIZEOF_PTHREAD_ATTR_T 56
27 # define __SIZEOF_PTHREAD_MUTEX_T 40
28 # define __SIZEOF_PTHREAD_MUTEXATTR_T 4
29 # define __SIZEOF_PTHREAD_COND_T 48
30 # define __SIZEOF_PTHREAD_CONDATTR_T 4
31 # define __SIZEOF_PTHREAD_RWLOCK_T 56
32 # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
33 # define __SIZEOF_PTHREAD_BARRIER_T 32
34 # define __SIZEOF_PTHREAD_BARRIERATTR_T 4
36 # define __SIZEOF_PTHREAD_ATTR_T 36
37 # define __SIZEOF_PTHREAD_MUTEX_T 24
38 # define __SIZEOF_PTHREAD_MUTEXATTR_T 4
39 # define __SIZEOF_PTHREAD_COND_T 48
40 # define __SIZEOF_PTHREAD_CONDATTR_T 4
41 # define __SIZEOF_PTHREAD_RWLOCK_T 32
42 # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
43 # define __SIZEOF_PTHREAD_BARRIER_T 20
44 # define __SIZEOF_PTHREAD_BARRIERATTR_T 4
48 /* Thread identifiers. The structure of the attribute type is not
49 exposed on purpose. */
50 typedef unsigned long int pthread_t
;
55 char __size
[__SIZEOF_PTHREAD_ATTR_T
];
58 #ifndef __have_pthread_attr_t
59 typedef union pthread_attr_t pthread_attr_t
;
60 # define __have_pthread_attr_t 1
64 typedef struct __pthread_internal_list
66 struct __pthread_internal_list
*__prev
;
67 struct __pthread_internal_list
*__next
;
70 typedef struct __pthread_internal_slist
72 struct __pthread_internal_slist
*__next
;
77 /* Data structures for mutex handling. The structure of the attribute
78 type is not exposed on purpose. */
81 struct __pthread_mutex_s
87 unsigned int __nusers
;
89 /* KIND must stay at this position in the structure to maintain
90 binary compatibility. */
94 __pthread_list_t __list
;
95 # define __PTHREAD_MUTEX_HAVE_PREV 1
97 unsigned int __nusers
;
101 __pthread_slist_t __list
;
105 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
111 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
113 } pthread_mutexattr_t
;
115 /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */
116 #define __PTHREAD_SPINS 0
119 /* Data structure for conditional variable handling. The structure of
120 the attribute type is not exposed on purpose. */
126 unsigned int __futex
;
127 __extension__
unsigned long long int __total_seq
;
128 __extension__
unsigned long long int __wakeup_seq
;
129 __extension__
unsigned long long int __woken_seq
;
131 unsigned int __nwaiters
;
132 unsigned int __broadcast_seq
;
134 char __size
[__SIZEOF_PTHREAD_COND_T
];
135 __extension__
long long int __align
;
140 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
142 } pthread_condattr_t
;
145 /* Keys for thread-specific data */
146 typedef unsigned int pthread_key_t
;
149 /* Once-only execution */
150 typedef int pthread_once_t
;
153 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
154 /* Data structure for read-write lock variable handling. The
155 structure of the attribute type is not exposed on purpose. */
158 # if __WORDSIZE == 64
162 unsigned int __nr_readers
;
163 unsigned int __readers_wakeup
;
164 unsigned int __writer_wakeup
;
165 unsigned int __nr_readers_queued
;
166 unsigned int __nr_writers_queued
;
169 unsigned long int __pad1
;
170 unsigned long int __pad2
;
171 /* FLAGS must stay at this position in the structure to maintain
172 binary compatibility. */
173 unsigned int __flags
;
179 unsigned int __nr_readers
;
180 unsigned int __readers_wakeup
;
181 unsigned int __writer_wakeup
;
182 unsigned int __nr_readers_queued
;
183 unsigned int __nr_writers_queued
;
184 /* FLAGS must stay at this position in the structure to maintain
185 binary compatibility. */
186 unsigned char __flags
;
187 unsigned char __shared
;
188 unsigned char __pad1
;
189 unsigned char __pad2
;
193 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
199 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
201 } pthread_rwlockattr_t
;
206 /* POSIX spinlock data type. */
207 typedef volatile int pthread_spinlock_t
;
210 /* POSIX barriers data type. The structure of the type is
211 deliberately not exposed. */
214 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
220 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
222 } pthread_barrierattr_t
;
226 #endif /* bits/pthreadtypes.h */