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eab380d8 | 1 | /* Declaration of common pthread types for all architectures. |
2b778ceb | 2 | Copyright (C) 2017-2021 Free Software Foundation, Inc. |
d5efd131 | 3 | This file is part of the GNU C Library. |
d5efd131 MF |
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 | |
75efb018 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
d5efd131 | 18 | |
eab380d8 AZ |
19 | #ifndef _BITS_PTHREADTYPES_COMMON_H |
20 | # define _BITS_PTHREADTYPES_COMMON_H 1 | |
d5efd131 | 21 | |
eab380d8 AZ |
22 | /* For internal mutex and condition variable definitions. */ |
23 | #include <bits/thread-shared-types.h> | |
d5efd131 MF |
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 | ||
d5efd131 MF |
30 | /* Data structures for mutex handling. The structure of the attribute |
31 | type is not exposed on purpose. */ | |
d5efd131 MF |
32 | typedef union |
33 | { | |
34 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
35 | int __align; | |
36 | } pthread_mutexattr_t; | |
37 | ||
38 | ||
eab380d8 | 39 | /* Data structure for condition variable handling. The structure of |
d5efd131 | 40 | the attribute type is not exposed on purpose. */ |
d5efd131 MF |
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 */ | |
eab380d8 AZ |
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; | |
3adfef7e | 63 | # define __have_pthread_attr_t 1 |
eab380d8 AZ |
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; | |
d5efd131 MF |
81 | |
82 | ||
83 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K | |
eab380d8 AZ |
84 | /* Data structure for reader-writer lock variable handling. The |
85 | structure of the attribute type is deliberately not exposed. */ | |
d5efd131 MF |
86 | typedef union |
87 | { | |
eab380d8 | 88 | struct __pthread_rwlock_arch_t __data; |
d5efd131 MF |
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 | ||
eab380d8 | 121 | #endif |