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f3c13160 | 1 | /* Machine-specific pthread type layouts. PowerPC version. |
a334319f | 2 | Copyright (C) 2003, 2004 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 | ||
61 | /* Data structures for mutex handling. The structure of the attribute | |
62 | type is deliberately not exposed. */ | |
63 | typedef union | |
64 | { | |
a334319f | 65 | struct |
f3c13160 RM |
66 | { |
67 | int __lock; | |
68 | unsigned int __count; | |
61623643 UD |
69 | int __owner; |
70 | #if __WORDSIZE == 64 | |
71 | unsigned int __nusers; | |
72 | #endif | |
f3c13160 RM |
73 | /* KIND must stay at this position in the structure to maintain |
74 | binary compatibility. */ | |
75 | int __kind; | |
a334319f | 76 | #if __WORDSIZE != 64 |
61623643 UD |
77 | unsigned int __nusers; |
78 | #endif | |
a334319f | 79 | int __spins; |
f3c13160 RM |
80 | } __data; |
81 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
82 | long int __align; | |
83 | } pthread_mutex_t; | |
84 | ||
85 | typedef union | |
86 | { | |
87 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
7da168bf | 88 | int __align; |
f3c13160 RM |
89 | } pthread_mutexattr_t; |
90 | ||
91 | ||
92 | /* Data structure for conditional variable handling. The structure of | |
93 | the attribute type is deliberately not exposed. */ | |
94 | typedef union | |
95 | { | |
96 | struct | |
97 | { | |
98 | int __lock; | |
75fccede | 99 | unsigned int __futex; |
e9f4e844 UD |
100 | __extension__ unsigned long long int __total_seq; |
101 | __extension__ unsigned long long int __wakeup_seq; | |
102 | __extension__ unsigned long long int __woken_seq; | |
b8ba4a27 | 103 | void *__mutex; |
73f7c32c | 104 | unsigned int __nwaiters; |
893a3511 | 105 | unsigned int __broadcast_seq; |
f3c13160 RM |
106 | } __data; |
107 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
e9f4e844 | 108 | __extension__ long long int __align; |
f3c13160 RM |
109 | } pthread_cond_t; |
110 | ||
111 | typedef union | |
112 | { | |
113 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
7da168bf | 114 | int __align; |
f3c13160 RM |
115 | } pthread_condattr_t; |
116 | ||
117 | ||
118 | /* Keys for thread-specific data */ | |
119 | typedef unsigned int pthread_key_t; | |
120 | ||
121 | ||
122 | /* Once-only execution */ | |
123 | typedef int pthread_once_t; | |
124 | ||
125 | ||
ccc63b07 | 126 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
f3c13160 RM |
127 | /* Data structure for read-write lock variable handling. The |
128 | structure of the attribute type is deliberately not exposed. */ | |
129 | typedef union | |
130 | { | |
a234e27d | 131 | # if __WORDSIZE == 64 |
f3c13160 RM |
132 | struct |
133 | { | |
134 | int __lock; | |
135 | unsigned int __nr_readers; | |
136 | unsigned int __readers_wakeup; | |
137 | unsigned int __writer_wakeup; | |
138 | unsigned int __nr_readers_queued; | |
139 | unsigned int __nr_writers_queued; | |
4ad0bbf4 UD |
140 | int __writer; |
141 | int __pad1; | |
a234e27d | 142 | unsigned long int __pad2; |
4ad0bbf4 | 143 | unsigned long int __pad3; |
a234e27d UD |
144 | /* FLAGS must stay at this position in the structure to maintain |
145 | binary compatibility. */ | |
146 | unsigned int __flags; | |
147 | } __data; | |
148 | # else | |
149 | struct | |
150 | { | |
151 | int __lock; | |
152 | unsigned int __nr_readers; | |
153 | unsigned int __readers_wakeup; | |
154 | unsigned int __writer_wakeup; | |
155 | unsigned int __nr_readers_queued; | |
156 | unsigned int __nr_writers_queued; | |
f3c13160 RM |
157 | /* FLAGS must stay at this position in the structure to maintain |
158 | binary compatibility. */ | |
159 | unsigned int __flags; | |
4ad0bbf4 | 160 | int __writer; |
f3c13160 | 161 | } __data; |
a234e27d | 162 | # endif |
f3c13160 RM |
163 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
164 | long int __align; | |
165 | } pthread_rwlock_t; | |
166 | ||
167 | typedef union | |
168 | { | |
169 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
170 | long int __align; | |
171 | } pthread_rwlockattr_t; | |
172 | #endif | |
173 | ||
174 | ||
175 | #ifdef __USE_XOPEN2K | |
176 | /* POSIX spinlock data type. */ | |
177 | typedef volatile int pthread_spinlock_t; | |
178 | ||
179 | ||
180 | /* POSIX barriers data type. The structure of the type is | |
181 | deliberately not exposed. */ | |
182 | typedef union | |
183 | { | |
184 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
185 | long int __align; | |
186 | } pthread_barrier_t; | |
187 | ||
188 | typedef union | |
189 | { | |
190 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
191 | int __align; | |
192 | } pthread_barrierattr_t; | |
193 | #endif | |
194 | ||
195 | ||
196 | #endif /* bits/pthreadtypes.h */ |