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7ba6eb7c | 1 | /* Copyright (C) 2002-2012 Free Software Foundation, Inc. |
02a9f771 DJ |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
02a9f771 DJ |
17 | |
18 | #ifndef _BITS_PTHREADTYPES_H | |
19 | #define _BITS_PTHREADTYPES_H 1 | |
20 | ||
30efab51 DJ |
21 | #include <endian.h> |
22 | ||
02a9f771 DJ |
23 | #define __SIZEOF_PTHREAD_ATTR_T 36 |
24 | #define __SIZEOF_PTHREAD_MUTEX_T 24 | |
25 | #define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
26 | #define __SIZEOF_PTHREAD_COND_T 48 | |
27 | #define __SIZEOF_PTHREAD_COND_COMPAT_T 12 | |
28 | #define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
29 | #define __SIZEOF_PTHREAD_RWLOCK_T 32 | |
30 | #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
31 | #define __SIZEOF_PTHREAD_BARRIER_T 20 | |
32 | #define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
33 | ||
34 | ||
35 | /* Thread identifiers. The structure of the attribute type is not | |
36 | exposed on purpose. */ | |
37 | typedef unsigned long int pthread_t; | |
38 | ||
39 | ||
e7c0dc24 | 40 | union pthread_attr_t |
02a9f771 DJ |
41 | { |
42 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
43 | long int __align; | |
e7c0dc24 JM |
44 | }; |
45 | #ifndef __have_pthread_attr_t | |
46 | typedef union pthread_attr_t pthread_attr_t; | |
47 | # define __have_pthread_attr_t 1 | |
48 | #endif | |
02a9f771 DJ |
49 | |
50 | ||
a8839787 DJ |
51 | typedef struct __pthread_internal_slist |
52 | { | |
53 | struct __pthread_internal_slist *__next; | |
54 | } __pthread_slist_t; | |
55 | ||
56 | ||
02a9f771 DJ |
57 | /* Data structures for mutex handling. The structure of the attribute |
58 | type is not exposed on purpose. */ | |
59 | typedef union | |
60 | { | |
a8839787 | 61 | struct __pthread_mutex_s |
02a9f771 DJ |
62 | { |
63 | int __lock; | |
64 | unsigned int __count; | |
65 | int __owner; | |
66 | /* KIND must stay at this position in the structure to maintain | |
67 | binary compatibility. */ | |
68 | int __kind; | |
69 | unsigned int __nusers; | |
a8839787 DJ |
70 | __extension__ union |
71 | { | |
72 | int __spins; | |
73 | __pthread_slist_t __list; | |
74 | }; | |
02a9f771 DJ |
75 | } __data; |
76 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
77 | long int __align; | |
78 | } pthread_mutex_t; | |
79 | ||
80 | typedef union | |
81 | { | |
82 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
83 | long int __align; | |
84 | } pthread_mutexattr_t; | |
85 | ||
86 | ||
87 | /* Data structure for conditional variable handling. The structure of | |
88 | the attribute type is not exposed on purpose. */ | |
89 | typedef union | |
90 | { | |
91 | struct | |
92 | { | |
93 | int __lock; | |
94 | unsigned int __futex; | |
a8839787 DJ |
95 | __extension__ unsigned long long int __total_seq; |
96 | __extension__ unsigned long long int __wakeup_seq; | |
97 | __extension__ unsigned long long int __woken_seq; | |
02a9f771 DJ |
98 | void *__mutex; |
99 | unsigned int __nwaiters; | |
100 | unsigned int __broadcast_seq; | |
101 | } __data; | |
102 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
a8839787 | 103 | __extension__ long long int __align; |
02a9f771 DJ |
104 | } pthread_cond_t; |
105 | ||
106 | typedef union | |
107 | { | |
108 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
109 | long int __align; | |
110 | } pthread_condattr_t; | |
111 | ||
112 | ||
113 | /* Keys for thread-specific data */ | |
114 | typedef unsigned int pthread_key_t; | |
115 | ||
116 | ||
117 | /* Once-only execution */ | |
118 | typedef int pthread_once_t; | |
119 | ||
120 | ||
121 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K | |
122 | /* Data structure for read-write lock variable handling. The | |
123 | structure of the attribute type is not exposed on purpose. */ | |
124 | typedef union | |
125 | { | |
126 | struct | |
127 | { | |
128 | int __lock; | |
129 | unsigned int __nr_readers; | |
130 | unsigned int __readers_wakeup; | |
131 | unsigned int __writer_wakeup; | |
132 | unsigned int __nr_readers_queued; | |
133 | unsigned int __nr_writers_queued; | |
30efab51 DJ |
134 | #if __BYTE_ORDER == __BIG_ENDIAN |
135 | unsigned char __pad1; | |
136 | unsigned char __pad2; | |
137 | unsigned char __shared; | |
138 | /* FLAGS must stay at this position in the structure to maintain | |
139 | binary compatibility. */ | |
140 | unsigned char __flags; | |
141 | #else | |
02a9f771 DJ |
142 | /* FLAGS must stay at this position in the structure to maintain |
143 | binary compatibility. */ | |
30efab51 DJ |
144 | unsigned char __flags; |
145 | unsigned char __shared; | |
146 | unsigned char __pad1; | |
147 | unsigned char __pad2; | |
148 | #endif | |
02a9f771 DJ |
149 | int __writer; |
150 | } __data; | |
151 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; | |
152 | long int __align; | |
153 | } pthread_rwlock_t; | |
154 | ||
155 | typedef union | |
156 | { | |
157 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
158 | long int __align; | |
159 | } pthread_rwlockattr_t; | |
160 | #endif | |
161 | ||
162 | ||
163 | #ifdef __USE_XOPEN2K | |
164 | /* POSIX spinlock data type. */ | |
165 | typedef volatile int pthread_spinlock_t; | |
166 | ||
167 | ||
168 | /* POSIX barriers data type. The structure of the type is | |
169 | deliberately not exposed. */ | |
170 | typedef union | |
171 | { | |
172 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
173 | long int __align; | |
174 | } pthread_barrier_t; | |
175 | ||
176 | typedef union | |
177 | { | |
178 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
179 | int __align; | |
180 | } pthread_barrierattr_t; | |
181 | #endif | |
182 | ||
183 | ||
184 | #endif /* bits/pthreadtypes.h */ |