1 /* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 #ifndef _BITS_PTHREADTYPES_H
20 #define _BITS_PTHREADTYPES_H 1
24 #define __SIZEOF_PTHREAD_ATTR_T 36
25 #define __SIZEOF_PTHREAD_MUTEX_T 24
26 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
27 #define __SIZEOF_PTHREAD_COND_T 48
28 #define __SIZEOF_PTHREAD_COND_COMPAT_T 12
29 #define __SIZEOF_PTHREAD_CONDATTR_T 4
30 #define __SIZEOF_PTHREAD_RWLOCK_T 32
31 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
32 #define __SIZEOF_PTHREAD_BARRIER_T 20
33 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
36 /* Thread identifiers. The structure of the attribute type is not
37 exposed on purpose. */
38 typedef unsigned long int pthread_t;
43 char __size[__SIZEOF_PTHREAD_ATTR_T];
48 typedef struct __pthread_internal_slist
50 struct __pthread_internal_slist *__next;
54 /* Data structures for mutex handling. The structure of the attribute
55 type is not exposed on purpose. */
58 struct __pthread_mutex_s
63 /* KIND must stay at this position in the structure to maintain
64 binary compatibility. */
66 unsigned int __nusers;
70 __pthread_slist_t __list;
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 __extension__ unsigned long long int __total_seq;
93 __extension__ unsigned long long int __wakeup_seq;
94 __extension__ unsigned long long int __woken_seq;
96 unsigned int __nwaiters;
97 unsigned int __broadcast_seq;
99 char __size[__SIZEOF_PTHREAD_COND_T];
100 __extension__ long long int __align;
105 char __size[__SIZEOF_PTHREAD_CONDATTR_T];
107 } pthread_condattr_t;
110 /* Keys for thread-specific data */
111 typedef unsigned int pthread_key_t;
114 /* Once-only execution */
115 typedef int pthread_once_t;
118 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
119 /* Data structure for read-write lock variable handling. The
120 structure of the attribute type is not exposed on purpose. */
126 unsigned int __nr_readers;
127 unsigned int __readers_wakeup;
128 unsigned int __writer_wakeup;
129 unsigned int __nr_readers_queued;
130 unsigned int __nr_writers_queued;
131 #if __BYTE_ORDER == __BIG_ENDIAN
132 unsigned char __pad1;
133 unsigned char __pad2;
134 unsigned char __shared;
135 /* FLAGS must stay at this position in the structure to maintain
136 binary compatibility. */
137 unsigned char __flags;
139 /* FLAGS must stay at this position in the structure to maintain
140 binary compatibility. */
141 unsigned char __flags;
142 unsigned char __shared;
143 unsigned char __pad1;
144 unsigned char __pad2;
148 char __size[__SIZEOF_PTHREAD_RWLOCK_T];
154 char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
156 } pthread_rwlockattr_t;
161 /* POSIX spinlock data type. */
162 typedef volatile int pthread_spinlock_t;
165 /* POSIX barriers data type. The structure of the type is
166 deliberately not exposed. */
169 char __size[__SIZEOF_PTHREAD_BARRIER_T];
175 char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
177 } pthread_barrierattr_t;
181 #endif /* bits/pthreadtypes.h */