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f3c13160 | 1 | /* Machine-specific pthread type layouts. PowerPC version. |
0ecb606c | 2 | Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
f3c13160 RM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. | |
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 | |
17 | License along with the GNU C Library; if not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
20 | ||
21 | #ifndef _BITS_PTHREADTYPES_H | |
22 | #define _BITS_PTHREADTYPES_H 1 | |
23 | ||
24 | #include <bits/wordsize.h> | |
25 | ||
26 | #if __WORDSIZE == 64 | |
27 | # define __SIZEOF_PTHREAD_ATTR_T 56 | |
28 | # define __SIZEOF_PTHREAD_MUTEX_T 40 | |
29 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
30 | # define __SIZEOF_PTHREAD_COND_T 48 | |
31 | # define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
32 | # define __SIZEOF_PTHREAD_RWLOCK_T 56 | |
33 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
34 | # define __SIZEOF_PTHREAD_BARRIER_T 32 | |
35 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
36 | #else | |
37 | # define __SIZEOF_PTHREAD_ATTR_T 36 | |
38 | # define __SIZEOF_PTHREAD_MUTEX_T 24 | |
39 | # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
40 | # define __SIZEOF_PTHREAD_COND_T 48 | |
41 | # define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
42 | # define __SIZEOF_PTHREAD_RWLOCK_T 32 | |
43 | # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
44 | # define __SIZEOF_PTHREAD_BARRIER_T 20 | |
45 | # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
46 | #endif | |
47 | ||
48 | ||
49 | /* Thread identifiers. The structure of the attribute type is | |
50 | deliberately not exposed. */ | |
806e4a4a | 51 | typedef unsigned long int pthread_t; |
f3c13160 RM |
52 | |
53 | ||
54 | typedef union | |
55 | { | |
56 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
57 | long int __align; | |
58 | } pthread_attr_t; | |
59 | ||
60 | ||
0ecb606c JJ |
61 | #if __WORDSIZE == 64 |
62 | typedef struct __pthread_internal_list | |
63 | { | |
64 | struct __pthread_internal_list *__prev; | |
65 | struct __pthread_internal_list *__next; | |
66 | } __pthread_list_t; | |
67 | #else | |
68 | typedef struct __pthread_internal_slist | |
69 | { | |
70 | struct __pthread_internal_slist *__next; | |
71 | } __pthread_slist_t; | |
72 | #endif | |
73 | ||
74 | ||
f3c13160 RM |
75 | /* Data structures for mutex handling. The structure of the attribute |
76 | type is deliberately not exposed. */ | |
77 | typedef union | |
78 | { | |
0ecb606c | 79 | struct __pthread_mutex_s |
f3c13160 RM |
80 | { |
81 | int __lock; | |
82 | unsigned int __count; | |
61623643 UD |
83 | int __owner; |
84 | #if __WORDSIZE == 64 | |
85 | unsigned int __nusers; | |
86 | #endif | |
f3c13160 RM |
87 | /* KIND must stay at this position in the structure to maintain |
88 | binary compatibility. */ | |
89 | int __kind; | |
0ecb606c JJ |
90 | #if __WORDSIZE == 64 |
91 | int __spins; | |
92 | __pthread_list_t __list; | |
93 | # define __PTHREAD_MUTEX_HAVE_PREV 1 | |
94 | #else | |
61623643 | 95 | unsigned int __nusers; |
0ecb606c JJ |
96 | __extension__ union |
97 | { | |
98 | int __spins; | |
99 | __pthread_slist_t __list; | |
100 | }; | |
61623643 | 101 | #endif |
f3c13160 RM |
102 | } __data; |
103 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
104 | long int __align; | |
105 | } pthread_mutex_t; | |
106 | ||
107 | typedef union | |
108 | { | |
109 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
7da168bf | 110 | int __align; |
f3c13160 RM |
111 | } pthread_mutexattr_t; |
112 | ||
113 | ||
114 | /* Data structure for conditional variable handling. The structure of | |
115 | the attribute type is deliberately not exposed. */ | |
116 | typedef union | |
117 | { | |
118 | struct | |
119 | { | |
120 | int __lock; | |
75fccede | 121 | unsigned int __futex; |
e9f4e844 UD |
122 | __extension__ unsigned long long int __total_seq; |
123 | __extension__ unsigned long long int __wakeup_seq; | |
124 | __extension__ unsigned long long int __woken_seq; | |
b8ba4a27 | 125 | void *__mutex; |
73f7c32c | 126 | unsigned int __nwaiters; |
893a3511 | 127 | unsigned int __broadcast_seq; |
f3c13160 RM |
128 | } __data; |
129 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
e9f4e844 | 130 | __extension__ long long int __align; |
f3c13160 RM |
131 | } pthread_cond_t; |
132 | ||
133 | typedef union | |
134 | { | |
135 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
7da168bf | 136 | int __align; |
f3c13160 RM |
137 | } pthread_condattr_t; |
138 | ||
139 | ||
140 | /* Keys for thread-specific data */ | |
141 | typedef unsigned int pthread_key_t; | |
142 | ||
143 | ||
144 | /* Once-only execution */ | |
145 | typedef int pthread_once_t; | |
146 | ||
147 | ||
ccc63b07 | 148 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
f3c13160 RM |
149 | /* Data structure for read-write lock variable handling. The |
150 | structure of the attribute type is deliberately not exposed. */ | |
151 | typedef union | |
152 | { | |
a234e27d | 153 | # if __WORDSIZE == 64 |
f3c13160 RM |
154 | struct |
155 | { | |
156 | int __lock; | |
157 | unsigned int __nr_readers; | |
158 | unsigned int __readers_wakeup; | |
159 | unsigned int __writer_wakeup; | |
160 | unsigned int __nr_readers_queued; | |
161 | unsigned int __nr_writers_queued; | |
4ad0bbf4 UD |
162 | int __writer; |
163 | int __pad1; | |
a234e27d | 164 | unsigned long int __pad2; |
4ad0bbf4 | 165 | unsigned long int __pad3; |
a234e27d UD |
166 | /* FLAGS must stay at this position in the structure to maintain |
167 | binary compatibility. */ | |
168 | unsigned int __flags; | |
169 | } __data; | |
170 | # else | |
171 | struct | |
172 | { | |
173 | int __lock; | |
174 | unsigned int __nr_readers; | |
175 | unsigned int __readers_wakeup; | |
176 | unsigned int __writer_wakeup; | |
177 | unsigned int __nr_readers_queued; | |
178 | unsigned int __nr_writers_queued; | |
f3c13160 RM |
179 | /* FLAGS must stay at this position in the structure to maintain |
180 | binary compatibility. */ | |
181 | unsigned int __flags; | |
4ad0bbf4 | 182 | int __writer; |
f3c13160 | 183 | } __data; |
a234e27d | 184 | # endif |
f3c13160 RM |
185 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
186 | long int __align; | |
187 | } pthread_rwlock_t; | |
188 | ||
189 | typedef union | |
190 | { | |
191 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
192 | long int __align; | |
193 | } pthread_rwlockattr_t; | |
194 | #endif | |
195 | ||
196 | ||
197 | #ifdef __USE_XOPEN2K | |
198 | /* POSIX spinlock data type. */ | |
199 | typedef volatile int pthread_spinlock_t; | |
200 | ||
201 | ||
202 | /* POSIX barriers data type. The structure of the type is | |
203 | deliberately not exposed. */ | |
204 | typedef union | |
205 | { | |
206 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
207 | long int __align; | |
208 | } pthread_barrier_t; | |
209 | ||
210 | typedef union | |
211 | { | |
212 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
213 | int __align; | |
214 | } pthread_barrierattr_t; | |
215 | #endif | |
216 | ||
217 | ||
218 | #endif /* bits/pthreadtypes.h */ |