1 /* Machine-specific pthread type layouts. PowerPC version.
2 Copyright (C) 2003-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 #include <bits/wordsize.h>
25 # define __SIZEOF_PTHREAD_ATTR_T 56
26 # define __SIZEOF_PTHREAD_MUTEX_T 40
27 # define __SIZEOF_PTHREAD_MUTEXATTR_T 4
28 # define __SIZEOF_PTHREAD_COND_T 48
29 # define __SIZEOF_PTHREAD_CONDATTR_T 4
30 # define __SIZEOF_PTHREAD_RWLOCK_T 56
31 # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
32 # define __SIZEOF_PTHREAD_BARRIER_T 32
33 # define __SIZEOF_PTHREAD_BARRIERATTR_T 4
35 # define __SIZEOF_PTHREAD_ATTR_T 36
36 # define __SIZEOF_PTHREAD_MUTEX_T 24
37 # define __SIZEOF_PTHREAD_MUTEXATTR_T 4
38 # define __SIZEOF_PTHREAD_COND_T 48
39 # define __SIZEOF_PTHREAD_CONDATTR_T 4
40 # define __SIZEOF_PTHREAD_RWLOCK_T 32
41 # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
42 # define __SIZEOF_PTHREAD_BARRIER_T 20
43 # define __SIZEOF_PTHREAD_BARRIERATTR_T 4
47 /* Thread identifiers. The structure of the attribute type is
48 deliberately not exposed. */
49 typedef unsigned long int pthread_t
;
54 char __size
[__SIZEOF_PTHREAD_ATTR_T
];
57 #ifndef __have_pthread_attr_t
58 typedef union pthread_attr_t pthread_attr_t
;
59 # define __have_pthread_attr_t 1
64 typedef struct __pthread_internal_list
66 struct __pthread_internal_list
*__prev
;
67 struct __pthread_internal_list
*__next
;
70 typedef struct __pthread_internal_slist
72 struct __pthread_internal_slist
*__next
;
77 /* Data structures for mutex handling. The structure of the attribute
78 type is deliberately not exposed. */
81 struct __pthread_mutex_s
87 unsigned int __nusers
;
89 /* KIND must stay at this position in the structure to maintain
90 binary compatibility. */
94 __pthread_list_t __list
;
95 # define __PTHREAD_MUTEX_HAVE_PREV 1
97 unsigned int __nusers
;
101 __pthread_slist_t __list
;
105 char __size
[__SIZEOF_PTHREAD_MUTEX_T
];
109 /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */
110 #define __PTHREAD_SPINS 0
114 char __size
[__SIZEOF_PTHREAD_MUTEXATTR_T
];
116 } pthread_mutexattr_t
;
119 /* Data structure for conditional variable handling. The structure of
120 the attribute type is deliberately not exposed. */
126 unsigned int __futex
;
127 __extension__
unsigned long long int __total_seq
;
128 __extension__
unsigned long long int __wakeup_seq
;
129 __extension__
unsigned long long int __woken_seq
;
131 unsigned int __nwaiters
;
132 unsigned int __broadcast_seq
;
134 char __size
[__SIZEOF_PTHREAD_COND_T
];
135 __extension__
long long int __align
;
140 char __size
[__SIZEOF_PTHREAD_CONDATTR_T
];
142 } pthread_condattr_t
;
145 /* Keys for thread-specific data */
146 typedef unsigned int pthread_key_t
;
149 /* Once-only execution */
150 typedef int pthread_once_t
;
153 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
154 /* Data structure for read-write lock variable handling. The
155 structure of the attribute type is deliberately not exposed. */
158 # if __WORDSIZE == 64
162 unsigned int __nr_readers
;
163 unsigned int __readers_wakeup
;
164 unsigned int __writer_wakeup
;
165 unsigned int __nr_readers_queued
;
166 unsigned int __nr_writers_queued
;
169 unsigned long int __pad1
;
170 unsigned long int __pad2
;
171 /* FLAGS must stay at this position in the structure to maintain
172 binary compatibility. */
173 unsigned int __flags
;
179 unsigned int __nr_readers
;
180 unsigned int __readers_wakeup
;
181 unsigned int __writer_wakeup
;
182 unsigned int __nr_readers_queued
;
183 unsigned int __nr_writers_queued
;
184 unsigned char __pad1
;
185 unsigned char __pad2
;
186 unsigned char __shared
;
187 /* FLAGS must stay at this position in the structure to maintain
188 binary compatibility. */
189 unsigned char __flags
;
193 char __size
[__SIZEOF_PTHREAD_RWLOCK_T
];
197 #define __PTHREAD_RWLOCK_ELISION_EXTRA 0
201 char __size
[__SIZEOF_PTHREAD_RWLOCKATTR_T
];
203 } pthread_rwlockattr_t
;
208 /* POSIX spinlock data type. */
209 typedef volatile int pthread_spinlock_t
;
212 /* POSIX barriers data type. The structure of the type is
213 deliberately not exposed. */
216 char __size
[__SIZEOF_PTHREAD_BARRIER_T
];
222 char __size
[__SIZEOF_PTHREAD_BARRIERATTR_T
];
224 } pthread_barrierattr_t
;
228 #endif /* bits/pthreadtypes.h */