1 /* Copyright (C) 2003-2012 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, see
17 <http://www.gnu.org/licenses/>. */
19 #ifndef _BITS_PTHREADTYPES_H
20 #define _BITS_PTHREADTYPES_H 1
22 #define __SIZEOF_PTHREAD_ATTR_T 56
23 #define __SIZEOF_PTHREAD_MUTEX_T 40
24 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
25 #define __SIZEOF_PTHREAD_COND_T 48
26 #define __SIZEOF_PTHREAD_CONDATTR_T 4
27 #define __SIZEOF_PTHREAD_RWLOCK_T 56
28 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
29 #define __SIZEOF_PTHREAD_BARRIER_T 32
30 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
33 /* Thread identifiers. The structure of the attribute type is not
34 exposed on purpose. */
35 typedef unsigned long int pthread_t;
40 char __size[__SIZEOF_PTHREAD_ATTR_T];
43 #ifndef __have_pthread_attr_t
44 typedef union pthread_attr_t pthread_attr_t;
45 # define __have_pthread_attr_t 1
49 typedef struct __pthread_internal_list
51 struct __pthread_internal_list *__prev;
52 struct __pthread_internal_list *__next;
56 /* Data structures for mutex handling. The structure of the attribute
57 type is not exposed on purpose. */
60 struct __pthread_mutex_s
65 unsigned int __nusers;
66 /* KIND must stay at this position in the structure to maintain
67 binary compatibility. */
70 __pthread_list_t __list;
71 #define __PTHREAD_MUTEX_HAVE_PREV 1
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];
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;
133 unsigned long int __pad1;
134 unsigned long int __pad2;
135 /* FLAGS must stay at this position in the structure to maintain
136 binary compatibility. */
137 unsigned int __flags;
139 char __size[__SIZEOF_PTHREAD_RWLOCK_T];
145 char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
147 } pthread_rwlockattr_t;
152 /* POSIX spinlock data type. */
153 typedef volatile int pthread_spinlock_t;
156 /* POSIX barriers data type. The structure of the type is
157 deliberately not exposed. */
160 char __size[__SIZEOF_PTHREAD_BARRIER_T];
166 char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
168 } pthread_barrierattr_t;
172 #endif /* bits/pthreadtypes.h */