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f7a9f785 | 1 | /* Copyright (C) 2002-2016 Free Software Foundation, Inc. |
654dff90 | 2 | This file is part of the GNU C Library. |
654dff90 UD |
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 | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
654dff90 UD |
17 | |
18 | #ifndef _BITS_PTHREADTYPES_H | |
19 | #define _BITS_PTHREADTYPES_H 1 | |
20 | ||
6442d5d7 UD |
21 | #include <bits/wordsize.h> |
22 | ||
b8caea2c L |
23 | #ifdef __x86_64__ |
24 | # if __WORDSIZE == 64 | |
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 | |
34 | # else | |
35 | # define __SIZEOF_PTHREAD_ATTR_T 32 | |
36 | # define __SIZEOF_PTHREAD_MUTEX_T 32 | |
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 44 | |
41 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
42 | # define __SIZEOF_PTHREAD_BARRIER_T 20 | |
43 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
44 | # endif | |
6442d5d7 UD |
45 | #else |
46 | # define __SIZEOF_PTHREAD_ATTR_T 36 | |
47 | # define __SIZEOF_PTHREAD_MUTEX_T 24 | |
48 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
49 | # define __SIZEOF_PTHREAD_COND_T 48 | |
50 | # define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
51 | # define __SIZEOF_PTHREAD_RWLOCK_T 32 | |
52 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
53 | # define __SIZEOF_PTHREAD_BARRIER_T 20 | |
54 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
55 | #endif | |
654dff90 UD |
56 | |
57 | ||
58 | /* Thread identifiers. The structure of the attribute type is not | |
59 | exposed on purpose. */ | |
806e4a4a | 60 | typedef unsigned long int pthread_t; |
654dff90 UD |
61 | |
62 | ||
8da0464f | 63 | union pthread_attr_t |
654dff90 UD |
64 | { |
65 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
66 | long int __align; | |
4a3dded5 UD |
67 | }; |
68 | #ifndef __have_pthread_attr_t | |
22f9d9df | 69 | typedef union pthread_attr_t pthread_attr_t; |
4a3dded5 UD |
70 | # define __have_pthread_attr_t 1 |
71 | #endif | |
654dff90 UD |
72 | |
73 | ||
b8caea2c | 74 | #ifdef __x86_64__ |
b007ce7c UD |
75 | typedef struct __pthread_internal_list |
76 | { | |
77 | struct __pthread_internal_list *__prev; | |
78 | struct __pthread_internal_list *__next; | |
79 | } __pthread_list_t; | |
80 | #else | |
81 | typedef struct __pthread_internal_slist | |
82 | { | |
83 | struct __pthread_internal_slist *__next; | |
84 | } __pthread_slist_t; | |
85 | #endif | |
86 | ||
87 | ||
654dff90 UD |
88 | /* Data structures for mutex handling. The structure of the attribute |
89 | type is not exposed on purpose. */ | |
d804f5df | 90 | typedef union |
654dff90 | 91 | { |
d804f5df | 92 | struct __pthread_mutex_s |
654dff90 UD |
93 | { |
94 | int __lock; | |
95 | unsigned int __count; | |
61623643 | 96 | int __owner; |
b8caea2c | 97 | #ifdef __x86_64__ |
61623643 | 98 | unsigned int __nusers; |
6442d5d7 | 99 | #endif |
654dff90 UD |
100 | /* KIND must stay at this position in the structure to maintain |
101 | binary compatibility. */ | |
102 | int __kind; | |
b8caea2c | 103 | #ifdef __x86_64__ |
e8c659d7 AK |
104 | short __spins; |
105 | short __elision; | |
b007ce7c | 106 | __pthread_list_t __list; |
1bcfb5a5 | 107 | # define __PTHREAD_MUTEX_HAVE_PREV 1 |
01f8eac2 AZ |
108 | /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ |
109 | # define __PTHREAD_SPINS 0, 0 | |
1bcfb5a5 | 110 | #else |
6442d5d7 | 111 | unsigned int __nusers; |
01a3f2ef | 112 | __extension__ union |
1bcfb5a5 | 113 | { |
e8c659d7 AK |
114 | struct |
115 | { | |
075b9322 | 116 | short __espins; |
e8c659d7 | 117 | short __elision; |
2307e126 SP |
118 | # define __spins __elision_data.__espins |
119 | # define __elision __elision_data.__elision | |
01f8eac2 | 120 | # define __PTHREAD_SPINS { 0, 0 } |
2307e126 | 121 | } __elision_data; |
b007ce7c | 122 | __pthread_slist_t __list; |
1bcfb5a5 | 123 | }; |
6442d5d7 | 124 | #endif |
654dff90 UD |
125 | } __data; |
126 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
127 | long int __align; | |
128 | } pthread_mutex_t; | |
129 | ||
130 | typedef union | |
131 | { | |
132 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
7da168bf | 133 | int __align; |
654dff90 UD |
134 | } pthread_mutexattr_t; |
135 | ||
136 | ||
137 | /* Data structure for conditional variable handling. The structure of | |
138 | the attribute type is not exposed on purpose. */ | |
139 | typedef union | |
140 | { | |
141 | struct | |
142 | { | |
143 | int __lock; | |
75fccede | 144 | unsigned int __futex; |
e9f4e844 UD |
145 | __extension__ unsigned long long int __total_seq; |
146 | __extension__ unsigned long long int __wakeup_seq; | |
147 | __extension__ unsigned long long int __woken_seq; | |
69431c9a | 148 | void *__mutex; |
c56da3a3 | 149 | unsigned int __nwaiters; |
893a3511 | 150 | unsigned int __broadcast_seq; |
654dff90 UD |
151 | } __data; |
152 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
e9f4e844 | 153 | __extension__ long long int __align; |
654dff90 UD |
154 | } pthread_cond_t; |
155 | ||
156 | typedef union | |
157 | { | |
158 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
7da168bf | 159 | int __align; |
654dff90 UD |
160 | } pthread_condattr_t; |
161 | ||
162 | ||
163 | /* Keys for thread-specific data */ | |
164 | typedef unsigned int pthread_key_t; | |
165 | ||
166 | ||
167 | /* Once-only execution */ | |
168 | typedef int pthread_once_t; | |
169 | ||
170 | ||
ccc63b07 | 171 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
654dff90 UD |
172 | /* Data structure for read-write lock variable handling. The |
173 | structure of the attribute type is not exposed on purpose. */ | |
174 | typedef union | |
175 | { | |
b8caea2c | 176 | # ifdef __x86_64__ |
654dff90 UD |
177 | struct |
178 | { | |
179 | int __lock; | |
180 | unsigned int __nr_readers; | |
181 | unsigned int __readers_wakeup; | |
182 | unsigned int __writer_wakeup; | |
183 | unsigned int __nr_readers_queued; | |
184 | unsigned int __nr_writers_queued; | |
4ad0bbf4 | 185 | int __writer; |
e59660bc | 186 | int __shared; |
8491ed6d | 187 | signed char __rwelision; |
c8daec5c L |
188 | # ifdef __ILP32__ |
189 | unsigned char __pad1[3]; | |
190 | # define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 } | |
191 | # else | |
8491ed6d | 192 | unsigned char __pad1[7]; |
c8daec5c L |
193 | # define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 } |
194 | # endif | |
69278ade | 195 | unsigned long int __pad2; |
654dff90 UD |
196 | /* FLAGS must stay at this position in the structure to maintain |
197 | binary compatibility. */ | |
198 | unsigned int __flags; | |
b8caea2c | 199 | # define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1 |
654dff90 | 200 | } __data; |
6442d5d7 UD |
201 | # else |
202 | struct | |
203 | { | |
204 | int __lock; | |
205 | unsigned int __nr_readers; | |
206 | unsigned int __readers_wakeup; | |
207 | unsigned int __writer_wakeup; | |
208 | unsigned int __nr_readers_queued; | |
209 | unsigned int __nr_writers_queued; | |
210 | /* FLAGS must stay at this position in the structure to maintain | |
211 | binary compatibility. */ | |
e59660bc UD |
212 | unsigned char __flags; |
213 | unsigned char __shared; | |
8491ed6d AK |
214 | signed char __rwelision; |
215 | # define __PTHREAD_RWLOCK_ELISION_EXTRA 0 | |
e59660bc | 216 | unsigned char __pad2; |
6442d5d7 UD |
217 | int __writer; |
218 | } __data; | |
219 | # endif | |
654dff90 UD |
220 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
221 | long int __align; | |
222 | } pthread_rwlock_t; | |
223 | ||
224 | typedef union | |
225 | { | |
226 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
227 | long int __align; | |
228 | } pthread_rwlockattr_t; | |
229 | #endif | |
230 | ||
231 | ||
232 | #ifdef __USE_XOPEN2K | |
233 | /* POSIX spinlock data type. */ | |
234 | typedef volatile int pthread_spinlock_t; | |
235 | ||
236 | ||
237 | /* POSIX barriers data type. The structure of the type is | |
238 | deliberately not exposed. */ | |
239 | typedef union | |
240 | { | |
241 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
242 | long int __align; | |
243 | } pthread_barrier_t; | |
244 | ||
245 | typedef union | |
246 | { | |
247 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
248 | int __align; | |
249 | } pthread_barrierattr_t; | |
250 | #endif | |
251 | ||
252 | ||
c0d2c853 | 253 | #ifndef __x86_64__ |
088f460f UD |
254 | /* Extra attributes for the cleanup functions. */ |
255 | # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1))) | |
256 | #endif | |
257 | ||
654dff90 | 258 | #endif /* bits/pthreadtypes.h */ |