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bfff8b1b | 1 | /* Copyright (C) 2011-2017 Free Software Foundation, Inc. |
63d143a2 CM |
2 | This file is part of the GNU C Library. |
3 | Based on work contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
4 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
63d143a2 CM |
19 | |
20 | #ifndef _BITS_PTHREADTYPES_H | |
21 | #define _BITS_PTHREADTYPES_H 1 | |
22 | ||
23 | #include <bits/wordsize.h> | |
24 | ||
25 | #if __WORDSIZE == 64 | |
26 | # define __SIZEOF_PTHREAD_ATTR_T 56 | |
27 | # define __SIZEOF_PTHREAD_MUTEX_T 40 | |
28 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
29 | # define __SIZEOF_PTHREAD_COND_T 48 | |
30 | # define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
31 | # define __SIZEOF_PTHREAD_RWLOCK_T 56 | |
32 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
33 | # define __SIZEOF_PTHREAD_BARRIER_T 32 | |
34 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
35 | #else | |
36 | # define __SIZEOF_PTHREAD_ATTR_T 36 | |
37 | # define __SIZEOF_PTHREAD_MUTEX_T 24 | |
38 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
39 | # define __SIZEOF_PTHREAD_COND_T 48 | |
40 | # define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
41 | # define __SIZEOF_PTHREAD_RWLOCK_T 32 | |
42 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
43 | # define __SIZEOF_PTHREAD_BARRIER_T 20 | |
44 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
45 | #endif | |
46 | ||
47 | ||
48 | /* Thread identifiers. The structure of the attribute type is not | |
49 | exposed on purpose. */ | |
50 | typedef unsigned long int pthread_t; | |
51 | ||
52 | ||
87df4a4b | 53 | union pthread_attr_t |
63d143a2 CM |
54 | { |
55 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
56 | long int __align; | |
87df4a4b CM |
57 | }; |
58 | #ifndef __have_pthread_attr_t | |
59 | typedef union pthread_attr_t pthread_attr_t; | |
60 | # define __have_pthread_attr_t 1 | |
61 | #endif | |
63d143a2 CM |
62 | |
63 | #if __WORDSIZE == 64 | |
64 | typedef struct __pthread_internal_list | |
65 | { | |
66 | struct __pthread_internal_list *__prev; | |
67 | struct __pthread_internal_list *__next; | |
68 | } __pthread_list_t; | |
69 | #else | |
70 | typedef struct __pthread_internal_slist | |
71 | { | |
72 | struct __pthread_internal_slist *__next; | |
73 | } __pthread_slist_t; | |
74 | #endif | |
75 | ||
76 | ||
77 | /* Data structures for mutex handling. The structure of the attribute | |
78 | type is not exposed on purpose. */ | |
79 | typedef union | |
80 | { | |
81 | struct __pthread_mutex_s | |
82 | { | |
83 | int __lock; | |
84 | unsigned int __count; | |
85 | int __owner; | |
86 | #if __WORDSIZE == 64 | |
87 | unsigned int __nusers; | |
88 | #endif | |
89 | /* KIND must stay at this position in the structure to maintain | |
c74940f2 | 90 | binary compatibility with static initializers. */ |
63d143a2 CM |
91 | int __kind; |
92 | #if __WORDSIZE == 64 | |
93 | int __spins; | |
94 | __pthread_list_t __list; | |
95 | # define __PTHREAD_MUTEX_HAVE_PREV 1 | |
96 | #else | |
97 | unsigned int __nusers; | |
98 | __extension__ union | |
99 | { | |
100 | int __spins; | |
101 | __pthread_slist_t __list; | |
102 | }; | |
103 | #endif | |
104 | } __data; | |
105 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
106 | long int __align; | |
107 | } pthread_mutex_t; | |
108 | ||
109 | typedef union | |
110 | { | |
111 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
112 | int __align; | |
113 | } pthread_mutexattr_t; | |
114 | ||
01f8eac2 AZ |
115 | /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ |
116 | #define __PTHREAD_SPINS 0 | |
117 | ||
63d143a2 CM |
118 | |
119 | /* Data structure for conditional variable handling. The structure of | |
120 | the attribute type is not exposed on purpose. */ | |
121 | typedef union | |
122 | { | |
123 | struct | |
124 | { | |
ed19993b TR |
125 | __extension__ union |
126 | { | |
127 | __extension__ unsigned long long int __wseq; | |
128 | struct { | |
129 | unsigned int __low; | |
130 | unsigned int __high; | |
131 | } __wseq32; | |
132 | }; | |
133 | __extension__ union | |
134 | { | |
135 | __extension__ unsigned long long int __g1_start; | |
136 | struct { | |
137 | unsigned int __low; | |
138 | unsigned int __high; | |
139 | } __g1_start32; | |
140 | }; | |
141 | unsigned int __g_refs[2]; | |
142 | unsigned int __g_size[2]; | |
143 | unsigned int __g1_orig_size; | |
144 | unsigned int __wrefs; | |
145 | unsigned int __g_signals[2]; | |
63d143a2 CM |
146 | } __data; |
147 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
148 | __extension__ long long int __align; | |
149 | } pthread_cond_t; | |
150 | ||
151 | typedef union | |
152 | { | |
153 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
154 | int __align; | |
155 | } pthread_condattr_t; | |
156 | ||
157 | ||
158 | /* Keys for thread-specific data */ | |
159 | typedef unsigned int pthread_key_t; | |
160 | ||
161 | ||
162 | /* Once-only execution */ | |
163 | typedef int pthread_once_t; | |
164 | ||
165 | ||
166 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K | |
167 | /* Data structure for read-write lock variable handling. The | |
168 | structure of the attribute type is not exposed on purpose. */ | |
169 | typedef union | |
170 | { | |
171 | # if __WORDSIZE == 64 | |
172 | struct | |
173 | { | |
cc25c8b4 TR |
174 | unsigned int __readers; |
175 | unsigned int __writers; | |
176 | unsigned int __wrphase_futex; | |
177 | unsigned int __writers_futex; | |
178 | unsigned int __pad3; | |
179 | unsigned int __pad4; | |
180 | int __cur_writer; | |
63d143a2 CM |
181 | int __shared; |
182 | unsigned long int __pad1; | |
183 | unsigned long int __pad2; | |
184 | /* FLAGS must stay at this position in the structure to maintain | |
185 | binary compatibility. */ | |
186 | unsigned int __flags; | |
187 | } __data; | |
188 | # else | |
189 | struct | |
190 | { | |
cc25c8b4 TR |
191 | unsigned int __readers; |
192 | unsigned int __writers; | |
193 | unsigned int __wrphase_futex; | |
194 | unsigned int __writers_futex; | |
195 | unsigned int __pad3; | |
196 | unsigned int __pad4; | |
63d143a2 CM |
197 | /* FLAGS must stay at this position in the structure to maintain |
198 | binary compatibility. */ | |
199 | unsigned char __flags; | |
200 | unsigned char __shared; | |
201 | unsigned char __pad1; | |
202 | unsigned char __pad2; | |
cc25c8b4 | 203 | int __cur_writer; |
63d143a2 CM |
204 | } __data; |
205 | # endif | |
206 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; | |
207 | long int __align; | |
208 | } pthread_rwlock_t; | |
209 | ||
8491ed6d AK |
210 | #define __PTHREAD_RWLOCK_ELISION_EXTRA 0 |
211 | ||
63d143a2 CM |
212 | typedef union |
213 | { | |
214 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
215 | long int __align; | |
216 | } pthread_rwlockattr_t; | |
217 | #endif | |
218 | ||
219 | ||
220 | #ifdef __USE_XOPEN2K | |
221 | /* POSIX spinlock data type. */ | |
222 | typedef volatile int pthread_spinlock_t; | |
223 | ||
224 | ||
225 | /* POSIX barriers data type. The structure of the type is | |
226 | deliberately not exposed. */ | |
227 | typedef union | |
228 | { | |
229 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
230 | long int __align; | |
231 | } pthread_barrier_t; | |
232 | ||
233 | typedef union | |
234 | { | |
235 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
236 | int __align; | |
237 | } pthread_barrierattr_t; | |
238 | #endif | |
239 | ||
240 | ||
241 | #endif /* bits/pthreadtypes.h */ |