1 | /* Declaration of common pthread types for all architectures. |
2 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
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, see |
17 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _BITS_PTHREADTYPES_COMMON_H |
20 | # define _BITS_PTHREADTYPES_COMMON_H 1 |
21 | |
22 | /* For internal mutex and condition variable definitions. */ |
23 | #include <bits/thread-shared-types.h> |
24 | |
25 | /* Thread identifiers. The structure of the attribute type is not |
26 | exposed on purpose. */ |
27 | typedef unsigned long int pthread_t; |
28 | |
29 | |
30 | /* Data structures for mutex handling. The structure of the attribute |
31 | type is not exposed on purpose. */ |
32 | typedef union |
33 | { |
34 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; |
35 | int __align; |
36 | } pthread_mutexattr_t; |
37 | |
38 | |
39 | /* Data structure for condition variable handling. The structure of |
40 | the attribute type is not exposed on purpose. */ |
41 | typedef union |
42 | { |
43 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; |
44 | int __align; |
45 | } pthread_condattr_t; |
46 | |
47 | |
48 | /* Keys for thread-specific data */ |
49 | typedef unsigned int pthread_key_t; |
50 | |
51 | |
52 | /* Once-only execution */ |
53 | typedef int __ONCE_ALIGNMENT pthread_once_t; |
54 | |
55 | |
56 | union pthread_attr_t |
57 | { |
58 | char __size[__SIZEOF_PTHREAD_ATTR_T]; |
59 | long int __align; |
60 | }; |
61 | #ifndef __have_pthread_attr_t |
62 | typedef union pthread_attr_t pthread_attr_t; |
63 | # define __have_pthread_attr_t 1 |
64 | #endif |
65 | |
66 | |
67 | typedef union |
68 | { |
69 | struct __pthread_mutex_s __data; |
70 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; |
71 | long int __align; |
72 | } pthread_mutex_t; |
73 | |
74 | |
75 | typedef union |
76 | { |
77 | struct __pthread_cond_s __data; |
78 | char __size[__SIZEOF_PTHREAD_COND_T]; |
79 | __extension__ long long int __align; |
80 | } pthread_cond_t; |
81 | |
82 | |
83 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
84 | /* Data structure for reader-writer lock variable handling. The |
85 | structure of the attribute type is deliberately not exposed. */ |
86 | typedef union |
87 | { |
88 | struct __pthread_rwlock_arch_t __data; |
89 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; |
90 | long int __align; |
91 | } pthread_rwlock_t; |
92 | |
93 | typedef union |
94 | { |
95 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; |
96 | long int __align; |
97 | } pthread_rwlockattr_t; |
98 | #endif |
99 | |
100 | |
101 | #ifdef __USE_XOPEN2K |
102 | /* POSIX spinlock data type. */ |
103 | typedef volatile int pthread_spinlock_t; |
104 | |
105 | |
106 | /* POSIX barriers data type. The structure of the type is |
107 | deliberately not exposed. */ |
108 | typedef union |
109 | { |
110 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; |
111 | long int __align; |
112 | } pthread_barrier_t; |
113 | |
114 | typedef union |
115 | { |
116 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; |
117 | int __align; |
118 | } pthread_barrierattr_t; |
119 | #endif |
120 | |
121 | #endif |
122 | |