1 /* Copyright (C) 2003, 2004, 2005, 2006, 2007 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
];
61 typedef struct __pthread_internal_list
63 struct __pthread_internal_list
*__prev
;
64 struct __pthread_internal_list
*__next
;
67 typedef struct __pthread_internal_slist
69 struct __pthread_internal_slist
*__next
;
74 /* Data structures for mutex handling. The structure of the attribute
75 type is not exposed on purpose. */
78 struct __pthread_mutex_s
84 unsigned int __nusers
;
86 /* KIND must stay at this position in the structure to maintain
87 binary compatibility. */
91 __pthread_list_t __list
;
92 # define __PTHREAD_MUTEX_HAVE_PREV 1
94 unsigned int __nusers
;
98 __pthread_slist_t __list
;
102 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
108 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
110 } pthread_mutexattr_t
;
113 /* Data structure for conditional variable handling. The structure of
114 the attribute type is not exposed on purpose. */
120 unsigned int __futex
;
121 __extension__
unsigned long long int __total_seq
;
122 __extension__
unsigned long long int __wakeup_seq
;
123 __extension__
unsigned long long int __woken_seq
;
125 unsigned int __nwaiters
;
126 unsigned int __broadcast_seq
;
128 char __size
[__SIZEOF_PTHREAD_COND_T
];
129 __extension__
long long int __align
;
134 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
136 } pthread_condattr_t
;
139 /* Keys for thread-specific data */
140 typedef unsigned int pthread_key_t
;
143 /* Once-only execution */
144 typedef int pthread_once_t
;
147 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
148 /* Data structure for read-write lock variable handling. The
149 structure of the attribute type is not exposed on purpose. */
152 # if __WORDSIZE == 64
156 unsigned int __nr_readers
;
157 unsigned int __readers_wakeup
;
158 unsigned int __writer_wakeup
;
159 unsigned int __nr_readers_queued
;
160 unsigned int __nr_writers_queued
;
163 unsigned long int __pad1
;
164 unsigned long int __pad2
;
165 /* FLAGS must stay at this position in the structure to maintain
166 binary compatibility. */
167 unsigned int __flags
;
173 unsigned int __nr_readers
;
174 unsigned int __readers_wakeup
;
175 unsigned int __writer_wakeup
;
176 unsigned int __nr_readers_queued
;
177 unsigned int __nr_writers_queued
;
178 unsigned char __pad1
;
179 unsigned char __pad2
;
180 unsigned char __shared
;
181 /* FLAGS must stay at this position in the structure to maintain
182 binary compatibility. */
183 unsigned char __flags
;
187 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
193 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
195 } pthread_rwlockattr_t
;
200 /* POSIX spinlock data type. */
201 typedef volatile int pthread_spinlock_t
;
204 /* POSIX barriers data type. The structure of the type is
205 deliberately not exposed. */
208 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
214 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
216 } pthread_barrierattr_t
;
220 #endif /* bits/pthreadtypes.h */