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1 | /* Copyright (C) 2003 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. | |
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 | ||
23 | #define __SIZEOF_PTHREAD_ATTR_T 56 | |
24 | #define __SIZEOF_PTHREAD_MUTEX_T 40 | |
25 | #define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
26 | #define __SIZEOF_PTHREAD_COND_T 48 | |
27 | #define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
28 | #define __SIZEOF_PTHREAD_RWLOCK_T 56 | |
29 | #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
30 | #define __SIZEOF_PTHREAD_BARRIER_T 32 | |
31 | #define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
32 | ||
33 | ||
34 | /* Thread identifiers. The structure of the attribute type is not | |
35 | exposed on purpose. */ | |
36 | typedef struct __opaque_pthread *pthread_t; | |
37 | ||
38 | ||
39 | typedef union | |
40 | { | |
41 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
42 | long int __align; | |
43 | } pthread_attr_t; | |
44 | ||
45 | ||
46 | /* Data structures for mutex handling. The structure of the attribute | |
47 | type is not exposed on purpose. */ | |
48 | typedef union | |
49 | { | |
50 | struct | |
51 | { | |
52 | int __lock; | |
53 | unsigned int __count; | |
54 | struct pthread *__owner; | |
55 | /* KIND must stay at this position in the structure to maintain | |
56 | binary compatibility. */ | |
57 | int __kind; | |
58 | } __data; | |
59 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
60 | long int __align; | |
61 | } pthread_mutex_t; | |
62 | ||
63 | typedef union | |
64 | { | |
65 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
66 | long int __align; | |
67 | } pthread_mutexattr_t; | |
68 | ||
69 | ||
70 | /* Data structure for conditional variable handling. The structure of | |
71 | the attribute type is not exposed on purpose. */ | |
72 | typedef union | |
73 | { | |
74 | struct | |
75 | { | |
76 | int __lock; | |
77 | unsigned long long int __total_seq; | |
78 | unsigned long long int __wakeup_seq; | |
79 | unsigned long long int __woken_seq; | |
80 | } __data; | |
81 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
82 | long int __align; | |
83 | } pthread_cond_t; | |
84 | ||
85 | typedef union | |
86 | { | |
87 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
88 | long int __align; | |
89 | } pthread_condattr_t; | |
90 | ||
91 | ||
92 | /* Keys for thread-specific data */ | |
93 | typedef unsigned int pthread_key_t; | |
94 | ||
95 | ||
96 | /* Once-only execution */ | |
97 | typedef int pthread_once_t; | |
98 | ||
99 | ||
100 | #ifdef __USE_UNIX98 | |
101 | /* Data structure for read-write lock variable handling. The | |
102 | structure of the attribute type is not exposed on purpose. */ | |
103 | typedef union | |
104 | { | |
105 | struct | |
106 | { | |
107 | int __lock; | |
108 | unsigned int __nr_readers; | |
109 | unsigned int __readers_wakeup; | |
110 | unsigned int __writer_wakeup; | |
111 | unsigned int __nr_readers_queued; | |
112 | unsigned int __nr_writers_queued; | |
113 | pthread_t __writer; | |
114 | unsigned long int __pad1; | |
115 | unsigned long int __pad2; | |
116 | /* FLAGS must stay at this position in the structure to maintain | |
117 | binary compatibility. */ | |
118 | unsigned int __flags; | |
119 | } __data; | |
120 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; | |
121 | long int __align; | |
122 | } pthread_rwlock_t; | |
123 | ||
124 | typedef union | |
125 | { | |
126 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
127 | long int __align; | |
128 | } pthread_rwlockattr_t; | |
129 | #endif | |
130 | ||
131 | ||
132 | #ifdef __USE_XOPEN2K | |
133 | /* POSIX spinlock data type. */ | |
134 | typedef volatile int pthread_spinlock_t; | |
135 | ||
136 | ||
137 | /* POSIX barriers data type. The structure of the type is | |
138 | deliberately not exposed. */ | |
139 | typedef union | |
140 | { | |
141 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
142 | long int __align; | |
143 | } pthread_barrier_t; | |
144 | ||
145 | typedef union | |
146 | { | |
147 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
148 | int __align; | |
149 | } pthread_barrierattr_t; | |
150 | #endif | |
151 | ||
152 | ||
153 | #endif /* bits/pthreadtypes.h */ |