]>
Commit | Line | Data |
---|---|---|
0ecb606c | 1 | /* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
654dff90 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
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, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #ifndef _BITS_PTHREADTYPES_H | |
21 | #define _BITS_PTHREADTYPES_H 1 | |
22 | ||
6442d5d7 UD |
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 | |
654dff90 UD |
46 | |
47 | ||
48 | /* Thread identifiers. The structure of the attribute type is not | |
49 | exposed on purpose. */ | |
806e4a4a | 50 | typedef unsigned long int pthread_t; |
654dff90 UD |
51 | |
52 | ||
53 | typedef union | |
54 | { | |
55 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
56 | long int __align; | |
57 | } pthread_attr_t; | |
58 | ||
59 | ||
0ecb606c JJ |
60 | #if __WORDSIZE == 64 |
61 | typedef struct __pthread_internal_list | |
62 | { | |
63 | struct __pthread_internal_list *__prev; | |
64 | struct __pthread_internal_list *__next; | |
65 | } __pthread_list_t; | |
66 | #else | |
67 | typedef struct __pthread_internal_slist | |
68 | { | |
69 | struct __pthread_internal_slist *__next; | |
70 | } __pthread_slist_t; | |
71 | #endif | |
72 | ||
73 | ||
654dff90 UD |
74 | /* Data structures for mutex handling. The structure of the attribute |
75 | type is not exposed on purpose. */ | |
76 | typedef union | |
77 | { | |
0ecb606c | 78 | struct __pthread_mutex_s |
654dff90 UD |
79 | { |
80 | int __lock; | |
81 | unsigned int __count; | |
61623643 | 82 | int __owner; |
6442d5d7 | 83 | #if __WORDSIZE == 64 |
61623643 | 84 | unsigned int __nusers; |
6442d5d7 | 85 | #endif |
654dff90 UD |
86 | /* KIND must stay at this position in the structure to maintain |
87 | binary compatibility. */ | |
88 | int __kind; | |
0ecb606c JJ |
89 | #if __WORDSIZE == 64 |
90 | int __spins; | |
91 | __pthread_list_t __list; | |
92 | # define __PTHREAD_MUTEX_HAVE_PREV 1 | |
93 | #else | |
6442d5d7 | 94 | unsigned int __nusers; |
0ecb606c JJ |
95 | __extension__ union |
96 | { | |
97 | int __spins; | |
98 | __pthread_slist_t __list; | |
99 | }; | |
6442d5d7 | 100 | #endif |
654dff90 UD |
101 | } __data; |
102 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
103 | long int __align; | |
104 | } pthread_mutex_t; | |
105 | ||
106 | typedef union | |
107 | { | |
108 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
7da168bf | 109 | int __align; |
654dff90 UD |
110 | } pthread_mutexattr_t; |
111 | ||
112 | ||
113 | /* Data structure for conditional variable handling. The structure of | |
114 | the attribute type is not exposed on purpose. */ | |
115 | typedef union | |
116 | { | |
117 | struct | |
118 | { | |
119 | int __lock; | |
75fccede | 120 | unsigned int __futex; |
e9f4e844 UD |
121 | __extension__ unsigned long long int __total_seq; |
122 | __extension__ unsigned long long int __wakeup_seq; | |
123 | __extension__ unsigned long long int __woken_seq; | |
69431c9a | 124 | void *__mutex; |
c56da3a3 | 125 | unsigned int __nwaiters; |
893a3511 | 126 | unsigned int __broadcast_seq; |
654dff90 UD |
127 | } __data; |
128 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
e9f4e844 | 129 | __extension__ long long int __align; |
654dff90 UD |
130 | } pthread_cond_t; |
131 | ||
132 | typedef union | |
133 | { | |
134 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
7da168bf | 135 | int __align; |
654dff90 UD |
136 | } pthread_condattr_t; |
137 | ||
138 | ||
139 | /* Keys for thread-specific data */ | |
140 | typedef unsigned int pthread_key_t; | |
141 | ||
142 | ||
143 | /* Once-only execution */ | |
144 | typedef int pthread_once_t; | |
145 | ||
146 | ||
ccc63b07 | 147 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
654dff90 UD |
148 | /* Data structure for read-write lock variable handling. The |
149 | structure of the attribute type is not exposed on purpose. */ | |
150 | typedef union | |
151 | { | |
6442d5d7 | 152 | # if __WORDSIZE == 64 |
654dff90 UD |
153 | struct |
154 | { | |
155 | int __lock; | |
156 | unsigned int __nr_readers; | |
157 | unsigned int __readers_wakeup; | |
158 | unsigned int __writer_wakeup; | |
159 | unsigned int __nr_readers_queued; | |
160 | unsigned int __nr_writers_queued; | |
4ad0bbf4 UD |
161 | int __writer; |
162 | int __pad1; | |
69278ade | 163 | unsigned long int __pad2; |
4ad0bbf4 | 164 | unsigned long int __pad3; |
654dff90 UD |
165 | /* FLAGS must stay at this position in the structure to maintain |
166 | binary compatibility. */ | |
167 | unsigned int __flags; | |
168 | } __data; | |
6442d5d7 UD |
169 | # else |
170 | struct | |
171 | { | |
172 | int __lock; | |
173 | unsigned int __nr_readers; | |
174 | unsigned int __readers_wakeup; | |
175 | unsigned int __writer_wakeup; | |
176 | unsigned int __nr_readers_queued; | |
177 | unsigned int __nr_writers_queued; | |
178 | /* FLAGS must stay at this position in the structure to maintain | |
179 | binary compatibility. */ | |
180 | unsigned int __flags; | |
181 | int __writer; | |
182 | } __data; | |
183 | # endif | |
654dff90 UD |
184 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
185 | long int __align; | |
186 | } pthread_rwlock_t; | |
187 | ||
188 | typedef union | |
189 | { | |
190 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
191 | long int __align; | |
192 | } pthread_rwlockattr_t; | |
193 | #endif | |
194 | ||
195 | ||
196 | #ifdef __USE_XOPEN2K | |
197 | /* POSIX spinlock data type. */ | |
198 | typedef volatile int pthread_spinlock_t; | |
199 | ||
200 | ||
201 | /* POSIX barriers data type. The structure of the type is | |
202 | deliberately not exposed. */ | |
203 | typedef union | |
204 | { | |
205 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
206 | long int __align; | |
207 | } pthread_barrier_t; | |
208 | ||
209 | typedef union | |
210 | { | |
211 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
212 | int __align; | |
213 | } pthread_barrierattr_t; | |
214 | #endif | |
215 | ||
216 | ||
0ecb606c JJ |
217 | #if __WORDSIZE == 32 |
218 | /* Extra attributes for the cleanup functions. */ | |
219 | # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1))) | |
220 | #endif | |
221 | ||
654dff90 | 222 | #endif /* bits/pthreadtypes.h */ |