1 /* Copyright (C) 2003 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 struct __opaque_pthread *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. */
68 struct pthread *__owner;
69 /* KIND must stay at this position in the structure to maintain
70 binary compatibility. */
73 char __size[__SIZEOF_PTHREAD_MUTEX_T];
79 char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
81 } pthread_mutexattr_t;
84 /* Data structure for conditional variable handling. The structure of
85 the attribute type is not exposed on purpose. */
92 unsigned long long int __total_seq;
93 unsigned long long int __wakeup_seq;
94 unsigned long long int __woken_seq;
96 char __size[__SIZEOF_PTHREAD_COND_T];
97 long long int __align;
102 char __size[__SIZEOF_PTHREAD_CONDATTR_T];
104 } pthread_condattr_t;
107 /* Keys for thread-specific data */
108 typedef unsigned int pthread_key_t;
111 /* Once-only execution */
112 typedef int pthread_once_t;
116 /* Data structure for read-write lock variable handling. The
117 structure of the attribute type is not exposed on purpose. */
120 # if __WORDSIZE == 64
124 unsigned int __nr_readers;
125 unsigned int __readers_wakeup;
126 unsigned int __writer_wakeup;
127 unsigned int __nr_readers_queued;
128 unsigned int __nr_writers_queued;
130 unsigned long int __pad1;
131 unsigned long int __pad2;
132 /* FLAGS must stay at this position in the structure to maintain
133 binary compatibility. */
134 unsigned int __flags;
140 unsigned int __nr_readers;
141 unsigned int __readers_wakeup;
142 unsigned int __writer_wakeup;
143 unsigned int __nr_readers_queued;
144 unsigned int __nr_writers_queued;
145 /* FLAGS must stay at this position in the structure to maintain
146 binary compatibility. */
147 unsigned int __flags;
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 */