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60bb0e61 | 1 | /* Machine-specific pthread type layouts. MIPS version. |
397c66b4 | 2 | Copyright (C) 2005-2012 Free Software Foundation, Inc. |
60bb0e61 AJ |
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 | |
ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
60bb0e61 AJ |
18 | |
19 | #ifndef _BITS_PTHREADTYPES_H | |
20 | #define _BITS_PTHREADTYPES_H 1 | |
21 | ||
30efab51 DJ |
22 | #include <endian.h> |
23 | ||
60bb0e61 AJ |
24 | #if _MIPS_SIM == _ABI64 |
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 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 | |
44 | #endif | |
45 | ||
46 | ||
47 | /* Thread identifiers. The structure of the attribute type is | |
48 | deliberately not exposed. */ | |
49 | typedef unsigned long int pthread_t; | |
50 | ||
51 | ||
7bb9ccad | 52 | union pthread_attr_t |
60bb0e61 AJ |
53 | { |
54 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
55 | long int __align; | |
7bb9ccad JM |
56 | }; |
57 | #ifndef __have_pthread_attr_t | |
58 | typedef union pthread_attr_t pthread_attr_t; | |
59 | # define __have_pthread_attr_t 1 | |
60 | #endif | |
60bb0e61 AJ |
61 | |
62 | ||
13d7881a DJ |
63 | #if _MIPS_SIM == _ABI64 |
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 | ||
60bb0e61 AJ |
77 | /* Data structures for mutex handling. The structure of the attribute |
78 | type is deliberately not exposed. */ | |
79 | typedef union | |
80 | { | |
3398852b | 81 | struct __pthread_mutex_s |
60bb0e61 AJ |
82 | { |
83 | int __lock; | |
84 | unsigned int __count; | |
85 | int __owner; | |
86 | #if _MIPS_SIM == _ABI64 | |
87 | unsigned int __nusers; | |
88 | #endif | |
89 | /* KIND must stay at this position in the structure to maintain | |
90 | binary compatibility. */ | |
91 | int __kind; | |
3398852b AJ |
92 | #if _MIPS_SIM == _ABI64 |
93 | int __spins; | |
13d7881a | 94 | __pthread_list_t __list; |
3398852b AJ |
95 | # define __PTHREAD_MUTEX_HAVE_PREV 1 |
96 | #else | |
60bb0e61 | 97 | unsigned int __nusers; |
3398852b AJ |
98 | __extension__ union |
99 | { | |
100 | int __spins; | |
13d7881a | 101 | __pthread_slist_t __list; |
3398852b | 102 | }; |
60bb0e61 | 103 | #endif |
60bb0e61 AJ |
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 | ||
115 | ||
116 | /* Data structure for conditional variable handling. The structure of | |
117 | the attribute type is deliberately not exposed. */ | |
118 | typedef union | |
119 | { | |
120 | struct | |
121 | { | |
122 | int __lock; | |
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; | |
127 | void *__mutex; | |
128 | unsigned int __nwaiters; | |
129 | unsigned int __broadcast_seq; | |
130 | } __data; | |
131 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
132 | __extension__ long long int __align; | |
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 deliberately not exposed. */ | |
153 | typedef union | |
154 | { | |
155 | # if _MIPS_SIM == _ABI64 | |
156 | struct | |
157 | { | |
158 | int __lock; | |
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; | |
164 | int __writer; | |
30efab51 DJ |
165 | int __shared; |
166 | unsigned long int __pad1; | |
60bb0e61 | 167 | unsigned long int __pad2; |
60bb0e61 AJ |
168 | /* FLAGS must stay at this position in the structure to maintain |
169 | binary compatibility. */ | |
170 | unsigned int __flags; | |
171 | } __data; | |
172 | # else | |
173 | struct | |
174 | { | |
175 | int __lock; | |
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; | |
30efab51 DJ |
181 | #if __BYTE_ORDER == __BIG_ENDIAN |
182 | unsigned char __pad1; | |
183 | unsigned char __pad2; | |
184 | unsigned char __shared; | |
60bb0e61 AJ |
185 | /* FLAGS must stay at this position in the structure to maintain |
186 | binary compatibility. */ | |
30efab51 DJ |
187 | unsigned char __flags; |
188 | #else | |
189 | /* FLAGS must stay at this position in the structure to maintain | |
190 | binary compatibility. */ | |
191 | unsigned char __flags; | |
192 | unsigned char __shared; | |
193 | unsigned char __pad1; | |
194 | unsigned char __pad2; | |
195 | #endif | |
60bb0e61 AJ |
196 | int __writer; |
197 | } __data; | |
198 | # endif | |
199 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; | |
200 | long int __align; | |
201 | } pthread_rwlock_t; | |
202 | ||
203 | typedef union | |
204 | { | |
205 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
206 | long int __align; | |
207 | } pthread_rwlockattr_t; | |
208 | #endif | |
209 | ||
210 | ||
211 | #ifdef __USE_XOPEN2K | |
212 | /* POSIX spinlock data type. */ | |
213 | typedef volatile int pthread_spinlock_t; | |
214 | ||
215 | ||
216 | /* POSIX barriers data type. The structure of the type is | |
217 | deliberately not exposed. */ | |
218 | typedef union | |
219 | { | |
220 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
221 | long int __align; | |
222 | } pthread_barrier_t; | |
223 | ||
224 | typedef union | |
225 | { | |
226 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
227 | int __align; | |
228 | } pthread_barrierattr_t; | |
229 | #endif | |
230 | ||
231 | ||
232 | #endif /* bits/pthreadtypes.h */ |