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bfff8b1b | 1 | /* Copyright (C) 2002-2017 Free Software Foundation, Inc. |
554066b8 MS |
2 | |
3 | This file is part of the GNU C Library. | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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/>. */ | |
18 | ||
19 | #ifndef _BITS_PTHREADTYPES_H | |
20 | #define _BITS_PTHREADTYPES_H 1 | |
21 | ||
22 | #include <endian.h> | |
23 | ||
389d1f1b SE |
24 | #ifdef __ILP32__ |
25 | # define __SIZEOF_PTHREAD_ATTR_T 32 | |
26 | # define __SIZEOF_PTHREAD_MUTEX_T 32 | |
27 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
28 | # define __SIZEOF_PTHREAD_COND_T 48 | |
29 | # define __SIZEOF_PTHREAD_COND_COMPAT_T 48 | |
30 | # define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
31 | # define __SIZEOF_PTHREAD_RWLOCK_T 48 | |
32 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
33 | # define __SIZEOF_PTHREAD_BARRIER_T 20 | |
34 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
35 | #else | |
36 | # define __SIZEOF_PTHREAD_ATTR_T 64 | |
37 | # define __SIZEOF_PTHREAD_MUTEX_T 48 | |
38 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 8 | |
39 | # define __SIZEOF_PTHREAD_COND_T 48 | |
40 | # define __SIZEOF_PTHREAD_COND_COMPAT_T 48 | |
41 | # define __SIZEOF_PTHREAD_CONDATTR_T 8 | |
42 | # define __SIZEOF_PTHREAD_RWLOCK_T 56 | |
43 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
44 | # define __SIZEOF_PTHREAD_BARRIER_T 32 | |
45 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 8 | |
46 | #endif | |
47 | ||
48 | #define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1 | |
554066b8 MS |
49 | |
50 | /* Thread identifiers. The structure of the attribute type is not | |
51 | exposed on purpose. */ | |
52 | typedef unsigned long int pthread_t; | |
53 | ||
54 | ||
55 | union pthread_attr_t | |
56 | { | |
57 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
58 | long int __align; | |
59 | }; | |
60 | #ifndef __have_pthread_attr_t | |
61 | typedef union pthread_attr_t pthread_attr_t; | |
62 | # define __have_pthread_attr_t1 | |
63 | #endif | |
64 | ||
65 | typedef struct __pthread_internal_list | |
66 | { | |
67 | struct __pthread_internal_list *__prev; | |
68 | struct __pthread_internal_list *__next; | |
69 | } __pthread_list_t; | |
70 | ||
71 | ||
72 | /* Data structures for mutex handling. The structure of the attribute | |
73 | type is not exposed on purpose. */ | |
74 | typedef union | |
75 | { | |
76 | struct __pthread_mutex_s | |
77 | { | |
78 | int __lock; | |
79 | unsigned int __count; | |
80 | int __owner; | |
81 | unsigned int __nusers; | |
c74940f2 FW |
82 | /* KIND must stay at this position in the structure to maintain |
83 | binary compatibility with static initializers. */ | |
554066b8 MS |
84 | int __kind; |
85 | int __spins; | |
86 | __pthread_list_t __list; | |
87 | #define __PTHREAD_MUTEX_HAVE_PREV 1 | |
88 | } __data; | |
89 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
90 | long int __align; | |
91 | } pthread_mutex_t; | |
92 | ||
01f8eac2 AZ |
93 | /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ |
94 | #define __PTHREAD_SPINS 0 | |
95 | ||
554066b8 MS |
96 | typedef union |
97 | { | |
98 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
99 | long int __align; | |
100 | } pthread_mutexattr_t; | |
101 | ||
102 | ||
103 | /* Data structure for conditional variable handling. The structure of | |
104 | the attribute type is not exposed on purpose. */ | |
105 | typedef union | |
106 | { | |
107 | struct | |
108 | { | |
ed19993b TR |
109 | __extension__ union |
110 | { | |
111 | __extension__ unsigned long long int __wseq; | |
112 | struct { | |
113 | unsigned int __low; | |
114 | unsigned int __high; | |
115 | } __wseq32; | |
116 | }; | |
117 | __extension__ union | |
118 | { | |
119 | __extension__ unsigned long long int __g1_start; | |
120 | struct { | |
121 | unsigned int __low; | |
122 | unsigned int __high; | |
123 | } __g1_start32; | |
124 | }; | |
125 | unsigned int __g_refs[2]; | |
126 | unsigned int __g_size[2]; | |
127 | unsigned int __g1_orig_size; | |
128 | unsigned int __wrefs; | |
129 | unsigned int __g_signals[2]; | |
554066b8 MS |
130 | } __data; |
131 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
ed19993b | 132 | __extension__ long long int __align; |
554066b8 MS |
133 | } pthread_cond_t; |
134 | ||
135 | typedef union | |
136 | { | |
137 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
138 | int __align; | |
139 | } pthread_condattr_t; | |
140 | ||
141 | ||
142 | /* Keys for thread-specific data */ | |
143 | typedef unsigned int pthread_key_t; | |
144 | ||
145 | ||
146 | /* Once-only execution */ | |
147 | typedef int pthread_once_t; | |
148 | ||
149 | ||
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 not exposed on purpose. */ | |
153 | typedef union | |
154 | { | |
155 | struct | |
156 | { | |
cc25c8b4 TR |
157 | unsigned int __readers; |
158 | unsigned int __writers; | |
159 | unsigned int __wrphase_futex; | |
160 | unsigned int __writers_futex; | |
161 | unsigned int __pad3; | |
162 | unsigned int __pad4; | |
163 | int __cur_writer; | |
554066b8 MS |
164 | int __shared; |
165 | unsigned long int __pad1; | |
166 | unsigned long int __pad2; | |
167 | unsigned int __flags; | |
168 | } __data; | |
169 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; | |
170 | long int __align; | |
171 | } pthread_rwlock_t; | |
172 | ||
8491ed6d AK |
173 | #define __PTHREAD_RWLOCK_ELISION_EXTRA 0 |
174 | ||
554066b8 MS |
175 | typedef union |
176 | { | |
177 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
178 | long int __align; | |
179 | } pthread_rwlockattr_t; | |
180 | #endif | |
181 | ||
182 | ||
183 | #ifdef __USE_XOPEN2K | |
184 | /* POSIX spinlock data type. */ | |
185 | typedef volatile int pthread_spinlock_t; | |
186 | ||
187 | ||
188 | /* POSIX barriers data type. The structure of the type is | |
189 | deliberately not exposed. */ | |
190 | typedef union | |
191 | { | |
192 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
193 | long int __align; | |
194 | } pthread_barrier_t; | |
195 | ||
196 | typedef union | |
197 | { | |
198 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
199 | int __align; | |
200 | } pthread_barrierattr_t; | |
201 | #endif | |
202 | ||
203 | #endif /* bits/pthreadtypes.h */ |