1 /* Machine-specific pthread type layouts. PowerPC version.
2 Copyright (C) 2003, 2004, 2005, 2006, 2007 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
];
62 typedef struct __pthread_internal_list
64 struct __pthread_internal_list
*__prev
;
65 struct __pthread_internal_list
*__next
;
68 typedef struct __pthread_internal_slist
70 struct __pthread_internal_slist
*__next
;
75 /* Data structures for mutex handling. The structure of the attribute
76 type is deliberately not exposed. */
79 struct __pthread_mutex_s
85 unsigned int __nusers
;
87 /* KIND must stay at this position in the structure to maintain
88 binary compatibility. */
92 __pthread_list_t __list
;
93 # define __PTHREAD_MUTEX_HAVE_PREV 1
95 unsigned int __nusers
;
99 __pthread_slist_t __list
;
103 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
109 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
111 } pthread_mutexattr_t
;
114 /* Data structure for conditional variable handling. The structure of
115 the attribute type is deliberately not exposed. */
121 unsigned int __futex
;
122 __extension__
unsigned long long int __total_seq
;
123 __extension__
unsigned long long int __wakeup_seq
;
124 __extension__
unsigned long long int __woken_seq
;
126 unsigned int __nwaiters
;
127 unsigned int __broadcast_seq
;
129 char __size
[__SIZEOF_PTHREAD_COND_T
];
130 __extension__
long long int __align
;
135 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
137 } pthread_condattr_t
;
140 /* Keys for thread-specific data */
141 typedef unsigned int pthread_key_t
;
144 /* Once-only execution */
145 typedef int pthread_once_t
;
148 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
149 /* Data structure for read-write lock variable handling. The
150 structure of the attribute type is deliberately not exposed. */
153 # if __WORDSIZE == 64
157 unsigned int __nr_readers
;
158 unsigned int __readers_wakeup
;
159 unsigned int __writer_wakeup
;
160 unsigned int __nr_readers_queued
;
161 unsigned int __nr_writers_queued
;
164 unsigned long int __pad1
;
165 unsigned long int __pad2
;
166 /* FLAGS must stay at this position in the structure to maintain
167 binary compatibility. */
168 unsigned int __flags
;
174 unsigned int __nr_readers
;
175 unsigned int __readers_wakeup
;
176 unsigned int __writer_wakeup
;
177 unsigned int __nr_readers_queued
;
178 unsigned int __nr_writers_queued
;
179 unsigned char __pad1
;
180 unsigned char __pad2
;
181 unsigned char __shared
;
182 /* FLAGS must stay at this position in the structure to maintain
183 binary compatibility. */
184 unsigned char __flags
;
188 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
194 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
196 } pthread_rwlockattr_t
;
201 /* POSIX spinlock data type. */
202 typedef volatile int pthread_spinlock_t
;
205 /* POSIX barriers data type. The structure of the type is
206 deliberately not exposed. */
209 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
215 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
217 } pthread_barrierattr_t
;
221 #endif /* bits/pthreadtypes.h */