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 unsigned long long int __total_seq;
101 unsigned long long int __wakeup_seq;
102 unsigned long long int __woken_seq;
104 unsigned int __broadcast_seq;
106 char __size[__SIZEOF_PTHREAD_COND_T];
107 long long int __align;
112 char __size[__SIZEOF_PTHREAD_CONDATTR_T];
114 } pthread_condattr_t;
117 /* Keys for thread-specific data */
118 typedef unsigned int pthread_key_t;
121 /* Once-only execution */
122 typedef int pthread_once_t;
126 /* Data structure for read-write lock variable handling. The
127 structure of the attribute type is deliberately not exposed. */
130 # if __WORDSIZE == 64
134 unsigned int __nr_readers;
135 unsigned int __readers_wakeup;
136 unsigned int __writer_wakeup;
137 unsigned int __nr_readers_queued;
138 unsigned int __nr_writers_queued;
141 unsigned long int __pad2;
142 unsigned long int __pad3;
143 /* FLAGS must stay at this position in the structure to maintain
144 binary compatibility. */
145 unsigned int __flags;
151 unsigned int __nr_readers;
152 unsigned int __readers_wakeup;
153 unsigned int __writer_wakeup;
154 unsigned int __nr_readers_queued;
155 unsigned int __nr_writers_queued;
156 /* FLAGS must stay at this position in the structure to maintain
157 binary compatibility. */
158 unsigned int __flags;
162 char __size[__SIZEOF_PTHREAD_RWLOCK_T];
168 char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
170 } pthread_rwlockattr_t;
175 /* POSIX spinlock data type. */
176 typedef volatile int pthread_spinlock_t;
179 /* POSIX barriers data type. The structure of the type is
180 deliberately not exposed. */
183 char __size[__SIZEOF_PTHREAD_BARRIER_T];
189 char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
191 } pthread_barrierattr_t;
195 #endif /* bits/pthreadtypes.h */