1 /* Copyright (C) 2003, 2004 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #ifndef _BITS_PTHREADTYPES_H
21 #define _BITS_PTHREADTYPES_H 1
23 #define __SIZEOF_PTHREAD_ATTR_T 56
24 #define __SIZEOF_PTHREAD_MUTEX_T 40
25 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
26 #define __SIZEOF_PTHREAD_COND_T 48
27 #define __SIZEOF_PTHREAD_CONDATTR_T 4
28 #define __SIZEOF_PTHREAD_RWLOCK_T 56
29 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
30 #define __SIZEOF_PTHREAD_BARRIER_T 32
31 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
34 /* Thread identifiers. The structure of the attribute type is not
35 exposed on purpose. */
36 typedef unsigned long int pthread_t;
41 char __size[__SIZEOF_PTHREAD_ATTR_T];
46 /* Data structures for mutex handling. The structure of the attribute
47 type is not exposed on purpose. */
55 unsigned int __nusers;
56 /* KIND must stay at this position in the structure to maintain
57 binary compatibility. */
61 char __size[__SIZEOF_PTHREAD_MUTEX_T];
67 char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
69 } pthread_mutexattr_t;
72 /* Data structure for conditional variable handling. The structure of
73 the attribute type is not exposed on purpose. */
80 unsigned long long int __total_seq;
81 unsigned long long int __wakeup_seq;
82 unsigned long long int __woken_seq;
84 unsigned int __broadcast_seq;
86 char __size[__SIZEOF_PTHREAD_COND_T];
92 char __size[__SIZEOF_PTHREAD_CONDATTR_T];
97 /* Keys for thread-specific data */
98 typedef unsigned int pthread_key_t;
101 /* Once-only execution */
102 typedef int pthread_once_t;
106 /* Data structure for read-write lock variable handling. The
107 structure of the attribute type is not exposed on purpose. */
113 unsigned int __nr_readers;
114 unsigned int __readers_wakeup;
115 unsigned int __writer_wakeup;
116 unsigned int __nr_readers_queued;
117 unsigned int __nr_writers_queued;
120 unsigned long int __pad2;
121 unsigned long int __pad3;
122 /* FLAGS must stay at this position in the structure to maintain
123 binary compatibility. */
124 unsigned int __flags;
126 char __size[__SIZEOF_PTHREAD_RWLOCK_T];
132 char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
134 } pthread_rwlockattr_t;
139 /* POSIX spinlock data type. */
140 typedef volatile int pthread_spinlock_t;
143 /* POSIX barriers data type. The structure of the type is
144 deliberately not exposed. */
147 char __size[__SIZEOF_PTHREAD_BARRIER_T];
153 char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
155 } pthread_barrierattr_t;
159 #endif /* bits/pthreadtypes.h */