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f3c13160 | 1 | /* Machine-specific pthread type layouts. PowerPC version. |
bfff8b1b | 2 | Copyright (C) 2003-2017 Free Software Foundation, Inc. |
f3c13160 | 3 | This file is part of the GNU C Library. |
f3c13160 RM |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
f3c13160 RM |
18 | |
19 | #ifndef _BITS_PTHREADTYPES_H | |
20 | #define _BITS_PTHREADTYPES_H 1 | |
21 | ||
22 | #include <bits/wordsize.h> | |
23 | ||
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 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. */ | |
806e4a4a | 49 | typedef unsigned long int pthread_t; |
f3c13160 RM |
50 | |
51 | ||
8da0464f | 52 | union pthread_attr_t |
f3c13160 RM |
53 | { |
54 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
55 | long int __align; | |
4a3dded5 UD |
56 | }; |
57 | #ifndef __have_pthread_attr_t | |
22f9d9df | 58 | typedef union pthread_attr_t pthread_attr_t; |
4a3dded5 UD |
59 | # define __have_pthread_attr_t 1 |
60 | #endif | |
f3c13160 RM |
61 | |
62 | ||
683040c3 UD |
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 | ||
f3c13160 RM |
77 | /* Data structures for mutex handling. The structure of the attribute |
78 | type is deliberately not exposed. */ | |
d804f5df | 79 | typedef union |
f3c13160 | 80 | { |
d804f5df | 81 | struct __pthread_mutex_s |
f3c13160 RM |
82 | { |
83 | int __lock; | |
84 | unsigned int __count; | |
61623643 UD |
85 | int __owner; |
86 | #if __WORDSIZE == 64 | |
87 | unsigned int __nusers; | |
88 | #endif | |
f3c13160 | 89 | /* KIND must stay at this position in the structure to maintain |
c74940f2 | 90 | binary compatibility with static initializers. */ |
f3c13160 | 91 | int __kind; |
bfffffae | 92 | #if __WORDSIZE == 64 |
8d2c0a59 AZ |
93 | short __spins; |
94 | short __elision; | |
683040c3 | 95 | __pthread_list_t __list; |
bfffffae | 96 | # define __PTHREAD_MUTEX_HAVE_PREV 1 |
8d2c0a59 | 97 | # define __PTHREAD_SPINS 0, 0 |
bfffffae | 98 | #else |
61623643 | 99 | unsigned int __nusers; |
01a3f2ef | 100 | __extension__ union |
bfffffae | 101 | { |
8d2c0a59 AZ |
102 | struct |
103 | { | |
104 | short __espins; | |
105 | short __elision; | |
106 | # define __spins __elision_data.__espins | |
107 | # define __elision __elision_data.__elision | |
108 | # define __PTHREAD_SPINS { 0, 0 } | |
109 | } __elision_data; | |
683040c3 | 110 | __pthread_slist_t __list; |
bfffffae | 111 | }; |
61623643 | 112 | #endif |
f3c13160 RM |
113 | } __data; |
114 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
115 | long int __align; | |
116 | } pthread_mutex_t; | |
117 | ||
118 | typedef union | |
119 | { | |
120 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
7da168bf | 121 | int __align; |
f3c13160 RM |
122 | } pthread_mutexattr_t; |
123 | ||
124 | ||
125 | /* Data structure for conditional variable handling. The structure of | |
ed19993b | 126 | the attribute type is not exposed on purpose. */ |
f3c13160 RM |
127 | typedef union |
128 | { | |
129 | struct | |
130 | { | |
ed19993b TR |
131 | __extension__ union |
132 | { | |
133 | __extension__ unsigned long long int __wseq; | |
134 | struct { | |
135 | unsigned int __low; | |
136 | unsigned int __high; | |
137 | } __wseq32; | |
138 | }; | |
139 | __extension__ union | |
140 | { | |
141 | __extension__ unsigned long long int __g1_start; | |
142 | struct { | |
143 | unsigned int __low; | |
144 | unsigned int __high; | |
145 | } __g1_start32; | |
146 | }; | |
147 | unsigned int __g_refs[2]; | |
148 | unsigned int __g_size[2]; | |
149 | unsigned int __g1_orig_size; | |
150 | unsigned int __wrefs; | |
151 | unsigned int __g_signals[2]; | |
f3c13160 RM |
152 | } __data; |
153 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
e9f4e844 | 154 | __extension__ long long int __align; |
f3c13160 RM |
155 | } pthread_cond_t; |
156 | ||
157 | typedef union | |
158 | { | |
159 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
7da168bf | 160 | int __align; |
f3c13160 RM |
161 | } pthread_condattr_t; |
162 | ||
163 | ||
164 | /* Keys for thread-specific data */ | |
165 | typedef unsigned int pthread_key_t; | |
166 | ||
167 | ||
168 | /* Once-only execution */ | |
169 | typedef int pthread_once_t; | |
170 | ||
171 | ||
ccc63b07 | 172 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
f3c13160 RM |
173 | /* Data structure for read-write lock variable handling. The |
174 | structure of the attribute type is deliberately not exposed. */ | |
175 | typedef union | |
176 | { | |
a234e27d | 177 | # if __WORDSIZE == 64 |
f3c13160 RM |
178 | struct |
179 | { | |
cc25c8b4 TR |
180 | unsigned int __readers; |
181 | unsigned int __writers; | |
182 | unsigned int __wrphase_futex; | |
183 | unsigned int __writers_futex; | |
184 | unsigned int __pad3; | |
185 | unsigned int __pad4; | |
186 | int __cur_writer; | |
e59660bc | 187 | int __shared; |
4b45943a AZ |
188 | unsigned char __rwelision; |
189 | unsigned char __pad1[7]; | |
a234e27d UD |
190 | unsigned long int __pad2; |
191 | /* FLAGS must stay at this position in the structure to maintain | |
192 | binary compatibility. */ | |
193 | unsigned int __flags; | |
4b45943a | 194 | # define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 } |
a234e27d UD |
195 | } __data; |
196 | # else | |
197 | struct | |
198 | { | |
cc25c8b4 TR |
199 | unsigned int __readers; |
200 | unsigned int __writers; | |
201 | unsigned int __wrphase_futex; | |
202 | unsigned int __writers_futex; | |
203 | unsigned int __pad3; | |
204 | unsigned int __pad4; | |
4b45943a | 205 | unsigned char __rwelision; |
e59660bc UD |
206 | unsigned char __pad2; |
207 | unsigned char __shared; | |
f3c13160 RM |
208 | /* FLAGS must stay at this position in the structure to maintain |
209 | binary compatibility. */ | |
e59660bc | 210 | unsigned char __flags; |
cc25c8b4 | 211 | int __cur_writer; |
4b45943a | 212 | #define __PTHREAD_RWLOCK_ELISION_EXTRA 0 |
f3c13160 | 213 | } __data; |
a234e27d | 214 | # endif |
f3c13160 RM |
215 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
216 | long int __align; | |
217 | } pthread_rwlock_t; | |
218 | ||
8491ed6d | 219 | |
f3c13160 RM |
220 | typedef union |
221 | { | |
222 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
223 | long int __align; | |
224 | } pthread_rwlockattr_t; | |
225 | #endif | |
226 | ||
227 | ||
228 | #ifdef __USE_XOPEN2K | |
229 | /* POSIX spinlock data type. */ | |
230 | typedef volatile int pthread_spinlock_t; | |
231 | ||
232 | ||
233 | /* POSIX barriers data type. The structure of the type is | |
234 | deliberately not exposed. */ | |
235 | typedef union | |
236 | { | |
237 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
238 | long int __align; | |
239 | } pthread_barrier_t; | |
240 | ||
241 | typedef union | |
242 | { | |
243 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
244 | int __align; | |
245 | } pthread_barrierattr_t; | |
246 | #endif | |
247 | ||
248 | ||
249 | #endif /* bits/pthreadtypes.h */ |