1 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Martin Schwidefsky <schwidefsky@de.ibm.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 #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];
60 /* Data structures for mutex handling. The structure of the attribute
61 type is not exposed on purpose. */
70 unsigned int __nusers;
72 /* KIND must stay at this position in the structure to maintain
73 binary compatibility. */
76 unsigned int __nusers;
80 char __size[__SIZEOF_PTHREAD_MUTEX_T];
86 char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
88 } pthread_mutexattr_t;
91 /* Data structure for conditional variable handling. The structure of
92 the attribute type is not exposed on purpose. */
99 unsigned long long int __total_seq;
100 unsigned long long int __wakeup_seq;
101 unsigned long long int __woken_seq;
103 unsigned int __broadcast_seq;
105 char __size[__SIZEOF_PTHREAD_COND_T];
106 long long int __align;
111 char __size[__SIZEOF_PTHREAD_CONDATTR_T];
113 } pthread_condattr_t;
116 /* Keys for thread-specific data */
117 typedef unsigned int pthread_key_t;
120 /* Once-only execution */
121 typedef int pthread_once_t;
125 /* Data structure for read-write lock variable handling. The
126 structure of the attribute type is not exposed on purpose. */
129 # if __WORDSIZE == 64
133 unsigned int __nr_readers;
134 unsigned int __readers_wakeup;
135 unsigned int __writer_wakeup;
136 unsigned int __nr_readers_queued;
137 unsigned int __nr_writers_queued;
140 unsigned long int __pad2;
141 unsigned long int __pad3;
142 /* FLAGS must stay at this position in the structure to maintain
143 binary compatibility. */
144 unsigned int __flags;
150 unsigned int __nr_readers;
151 unsigned int __readers_wakeup;
152 unsigned int __writer_wakeup;
153 unsigned int __nr_readers_queued;
154 unsigned int __nr_writers_queued;
155 /* FLAGS must stay at this position in the structure to maintain
156 binary compatibility. */
157 unsigned int __flags;
161 char __size[__SIZEOF_PTHREAD_RWLOCK_T];
167 char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
169 } pthread_rwlockattr_t;
174 /* POSIX spinlock data type. */
175 typedef volatile int pthread_spinlock_t;
178 /* POSIX barriers data type. The structure of the type is
179 deliberately not exposed. */
182 char __size[__SIZEOF_PTHREAD_BARRIER_T];
188 char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
190 } pthread_barrierattr_t;
194 #endif /* bits/pthreadtypes.h */