1 /* Copyright (C) 2003 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, 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 #define __SIZEOF_PTHREAD_ATTR_T 56
24 #define __SIZEOF_PTHREAD_MUTEX_T 40
25 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
26 #define __SIZEOF_PTHREAD_COND_T 48
27 #define __SIZEOF_PTHREAD_CONDATTR_T 4
28 #define __SIZEOF_PTHREAD_RWLOCK_T 56
29 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
30 #define __SIZEOF_PTHREAD_BARRIER_T 32
31 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
34 /* Thread identifiers. The structure of the attribute type is not
35 exposed on purpose. */
36 typedef struct __opaque_pthread
*pthread_t
;
41 char __size
[__SIZEOF_PTHREAD_ATTR_T
];
46 /* Data structures for mutex handling. The structure of the attribute
47 type is not exposed on purpose. */
54 struct pthread
*__owner
;
55 /* KIND must stay at this position in the structure to maintain
56 binary compatibility. */
59 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
65 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
67 } pthread_mutexattr_t
;
70 /* Data structure for conditional variable handling. The structure of
71 the attribute type is not exposed on purpose. */
78 unsigned long long int __total_seq
;
79 unsigned long long int __wakeup_seq
;
80 unsigned long long int __woken_seq
;
82 char __size
[__SIZEOF_PTHREAD_COND_T
];
88 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
93 /* Keys for thread-specific data */
94 typedef unsigned int pthread_key_t
;
97 /* Once-only execution */
98 typedef int pthread_once_t
;
102 /* Data structure for read-write lock variable handling. The
103 structure of the attribute type is not exposed on purpose. */
109 unsigned int __nr_readers
;
110 unsigned int __readers_wakeup
;
111 unsigned int __writer_wakeup
;
112 unsigned int __nr_readers_queued
;
113 unsigned int __nr_writers_queued
;
115 unsigned long int __pad1
;
116 unsigned long int __pad2
;
117 /* FLAGS must stay at this position in the structure to maintain
118 binary compatibility. */
119 unsigned int __flags
;
121 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
127 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
129 } pthread_rwlockattr_t
;
134 /* POSIX spinlock data type. */
135 typedef volatile int pthread_spinlock_t
;
138 /* POSIX barriers data type. The structure of the type is
139 deliberately not exposed. */
142 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
148 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
150 } pthread_barrierattr_t
;
154 #endif /* bits/pthreadtypes.h */