1 /* Machine-specific pthread type layouts. PowerPC version.
2 Copyright (C) 2003, 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #ifndef _BITS_PTHREADTYPES_H
22 #define _BITS_PTHREADTYPES_H 1
24 #include <bits/wordsize.h>
27 # define __SIZEOF_PTHREAD_ATTR_T 56
28 # define __SIZEOF_PTHREAD_MUTEX_T 40
29 # define __SIZEOF_PTHREAD_MUTEXATTR_T 4
30 # define __SIZEOF_PTHREAD_COND_T 48
31 # define __SIZEOF_PTHREAD_CONDATTR_T 4
32 # define __SIZEOF_PTHREAD_RWLOCK_T 56
33 # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
34 # define __SIZEOF_PTHREAD_BARRIER_T 32
35 # define __SIZEOF_PTHREAD_BARRIERATTR_T 4
37 # define __SIZEOF_PTHREAD_ATTR_T 36
38 # define __SIZEOF_PTHREAD_MUTEX_T 24
39 # define __SIZEOF_PTHREAD_MUTEXATTR_T 4
40 # define __SIZEOF_PTHREAD_COND_T 48
41 # define __SIZEOF_PTHREAD_CONDATTR_T 4
42 # define __SIZEOF_PTHREAD_RWLOCK_T 32
43 # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
44 # define __SIZEOF_PTHREAD_BARRIER_T 20
45 # define __SIZEOF_PTHREAD_BARRIERATTR_T 4
49 /* Thread identifiers. The structure of the attribute type is
50 deliberately not exposed. */
51 typedef unsigned long int pthread_t
;
56 char __size
[__SIZEOF_PTHREAD_ATTR_T
];
61 /* Data structures for mutex handling. The structure of the attribute
62 type is deliberately not exposed. */
71 unsigned int __nusers
;
73 /* KIND must stay at this position in the structure to maintain
74 binary compatibility. */
77 unsigned int __nusers
;
81 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
87 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
89 } pthread_mutexattr_t
;
92 /* Data structure for conditional variable handling. The structure of
93 the attribute type is deliberately not exposed. */
100 __extension__
unsigned long long int __total_seq
;
101 __extension__
unsigned long long int __wakeup_seq
;
102 __extension__
unsigned long long int __woken_seq
;
104 unsigned int __nwaiters
;
105 unsigned int __broadcast_seq
;
107 char __size
[__SIZEOF_PTHREAD_COND_T
];
108 __extension__
long long int __align
;
113 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
115 } pthread_condattr_t
;
118 /* Keys for thread-specific data */
119 typedef unsigned int pthread_key_t
;
122 /* Once-only execution */
123 typedef int pthread_once_t
;
126 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
127 /* Data structure for read-write lock variable handling. The
128 structure of the attribute type is deliberately not exposed. */
131 # if __WORDSIZE == 64
135 unsigned int __nr_readers
;
136 unsigned int __readers_wakeup
;
137 unsigned int __writer_wakeup
;
138 unsigned int __nr_readers_queued
;
139 unsigned int __nr_writers_queued
;
142 unsigned long int __pad2
;
143 unsigned long int __pad3
;
144 /* FLAGS must stay at this position in the structure to maintain
145 binary compatibility. */
146 unsigned int __flags
;
152 unsigned int __nr_readers
;
153 unsigned int __readers_wakeup
;
154 unsigned int __writer_wakeup
;
155 unsigned int __nr_readers_queued
;
156 unsigned int __nr_writers_queued
;
157 /* FLAGS must stay at this position in the structure to maintain
158 binary compatibility. */
159 unsigned int __flags
;
163 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
169 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
171 } pthread_rwlockattr_t
;
176 /* POSIX spinlock data type. */
177 typedef volatile int pthread_spinlock_t
;
180 /* POSIX barriers data type. The structure of the type is
181 deliberately not exposed. */
184 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
190 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
192 } pthread_barrierattr_t
;
196 #endif /* bits/pthreadtypes.h */