1 /* Machine-specific pthread type layouts. PowerPC version.
2 Copyright (C) 2003-2014 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];
111 char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
113 } pthread_mutexattr_t;
116 /* Data structure for conditional variable handling. The structure of
117 the attribute type is deliberately not exposed. */
123 unsigned int __futex;
124 __extension__ unsigned long long int __total_seq;
125 __extension__ unsigned long long int __wakeup_seq;
126 __extension__ unsigned long long int __woken_seq;
128 unsigned int __nwaiters;
129 unsigned int __broadcast_seq;
131 char __size[__SIZEOF_PTHREAD_COND_T];
132 __extension__ long long int __align;
137 char __size[__SIZEOF_PTHREAD_CONDATTR_T];
139 } pthread_condattr_t;
142 /* Keys for thread-specific data */
143 typedef unsigned int pthread_key_t;
146 /* Once-only execution */
147 typedef int pthread_once_t;
150 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
151 /* Data structure for read-write lock variable handling. The
152 structure of the attribute type is deliberately not exposed. */
155 # if __WORDSIZE == 64
159 unsigned int __nr_readers;
160 unsigned int __readers_wakeup;
161 unsigned int __writer_wakeup;
162 unsigned int __nr_readers_queued;
163 unsigned int __nr_writers_queued;
166 unsigned long int __pad1;
167 unsigned long int __pad2;
168 /* FLAGS must stay at this position in the structure to maintain
169 binary compatibility. */
170 unsigned int __flags;
176 unsigned int __nr_readers;
177 unsigned int __readers_wakeup;
178 unsigned int __writer_wakeup;
179 unsigned int __nr_readers_queued;
180 unsigned int __nr_writers_queued;
181 unsigned char __pad1;
182 unsigned char __pad2;
183 unsigned char __shared;
184 /* FLAGS must stay at this position in the structure to maintain
185 binary compatibility. */
186 unsigned char __flags;
190 char __size[__SIZEOF_PTHREAD_RWLOCK_T];
196 char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
198 } pthread_rwlockattr_t;
203 /* POSIX spinlock data type. */
204 typedef volatile int pthread_spinlock_t;
207 /* POSIX barriers data type. The structure of the type is
208 deliberately not exposed. */
211 char __size[__SIZEOF_PTHREAD_BARRIER_T];
217 char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
219 } pthread_barrierattr_t;
223 #endif /* bits/pthreadtypes.h */