projects / thirdparty / glibc.git / blame
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|---|---|---|
| d5efd131 MF |
1 | /* Copyright (C) 2003, 2004, 2005, 2006, 2007 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 | |
| 75efb018 MF |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| d5efd131 MF |
18 | |
| 19 | #ifndef _BITS_PTHREADTYPES_H | |
| 20 | #define _BITS_PTHREADTYPES_H 1 | |
| 21 | ||
| 22 | #define __SIZEOF_PTHREAD_ATTR_T 56 | |
| 23 | #define __SIZEOF_PTHREAD_MUTEX_T 40 | |
| 24 | #define __SIZEOF_PTHREAD_MUTEXATTR_T 4 | |
| 25 | #define __SIZEOF_PTHREAD_COND_T 48 | |
| 26 | #define __SIZEOF_PTHREAD_CONDATTR_T 4 | |
| 27 | #define __SIZEOF_PTHREAD_RWLOCK_T 56 | |
| 28 | #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 | |
| 29 | #define __SIZEOF_PTHREAD_BARRIER_T 32 | |
| 30 | #define __SIZEOF_PTHREAD_BARRIERATTR_T 4 | |
| 31 | ||
| 32 | ||
| 33 | /* Thread identifiers. The structure of the attribute type is not | |
| 34 | exposed on purpose. */ | |
| 35 | typedef unsigned long int pthread_t; | |
| 36 | ||
| 37 | ||
| 38 | typedef union | |
| 39 | { | |
| 40 | char __size[__SIZEOF_PTHREAD_ATTR_T]; | |
| 41 | long int __align; | |
| 42 | } pthread_attr_t; | |
| 43 | ||
| 44 | ||
| 45 | typedef struct __pthread_internal_list | |
| 46 | { | |
| 47 | struct __pthread_internal_list *__prev; | |
| 48 | struct __pthread_internal_list *__next; | |
| 49 | } __pthread_list_t; | |
| 50 | ||
| 51 | ||
| 52 | /* Data structures for mutex handling. The structure of the attribute | |
| 53 | type is not exposed on purpose. */ | |
| 54 | typedef union | |
| 55 | { | |
| 56 | struct __pthread_mutex_s | |
| 57 | { | |
| 58 | int __lock; | |
| 59 | unsigned int __count; | |
| 60 | int __owner; | |
| 61 | unsigned int __nusers; | |
| 62 | /* KIND must stay at this position in the structure to maintain | |
| 63 | binary compatibility. */ | |
| 64 | int __kind; | |
| 65 | int __spins; | |
| 66 | __pthread_list_t __list; | |
| 67 | #define __PTHREAD_MUTEX_HAVE_PREV 1 | |
| 68 | } __data; | |
| 69 | char __size[__SIZEOF_PTHREAD_MUTEX_T]; | |
| 70 | long int __align; | |
| 71 | } pthread_mutex_t; | |
| 72 | ||
| 73 | typedef union | |
| 74 | { | |
| 75 | char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; | |
| 76 | int __align; | |
| 77 | } pthread_mutexattr_t; | |
| 78 | ||
| 79 | ||
| 80 | /* Data structure for conditional variable handling. The structure of | |
| 81 | the attribute type is not exposed on purpose. */ | |
| 82 | typedef union | |
| 83 | { | |
| 84 | struct | |
| 85 | { | |
| 86 | int __lock; | |
| 87 | unsigned int __futex; | |
| 88 | __extension__ unsigned long long int __total_seq; | |
| 89 | __extension__ unsigned long long int __wakeup_seq; | |
| 90 | __extension__ unsigned long long int __woken_seq; | |
| 91 | void *__mutex; | |
| 92 | unsigned int __nwaiters; | |
| 93 | unsigned int __broadcast_seq; | |
| 94 | } __data; | |
| 95 | char __size[__SIZEOF_PTHREAD_COND_T]; | |
| 96 | long int __align; | |
| 97 | } pthread_cond_t; | |
| 98 | ||
| 99 | typedef union | |
| 100 | { | |
| 101 | char __size[__SIZEOF_PTHREAD_CONDATTR_T]; | |
| 102 | int __align; | |
| 103 | } pthread_condattr_t; | |
| 104 | ||
| 105 | ||
| 106 | /* Keys for thread-specific data */ | |
| 107 | typedef unsigned int pthread_key_t; | |
| 108 | ||
| 109 | ||
| 110 | /* Once-only execution */ | |
| 111 | typedef int pthread_once_t; | |
| 112 | ||
| 113 | ||
| 114 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K | |
| 115 | /* Data structure for read-write lock variable handling. The | |
| 116 | structure of the attribute type is not exposed on purpose. */ | |
| 117 | typedef union | |
| 118 | { | |
| 119 | struct | |
| 120 | { | |
| 121 | int __lock; | |
| 122 | unsigned int __nr_readers; | |
| 123 | unsigned int __readers_wakeup; | |
| 124 | unsigned int __writer_wakeup; | |
| 125 | unsigned int __nr_readers_queued; | |
| 126 | unsigned int __nr_writers_queued; | |
| 127 | int __writer; | |
| 128 | int __shared; | |
| 129 | unsigned long int __pad1; | |
| 130 | unsigned long int __pad2; | |
| 131 | /* FLAGS must stay at this position in the structure to maintain | |
| 132 | binary compatibility. */ | |
| 133 | unsigned int __flags; | |
| 134 | } __data; | |
| 135 | char __size[__SIZEOF_PTHREAD_RWLOCK_T]; | |
| 136 | long int __align; | |
| 137 | } pthread_rwlock_t; | |
| 138 | ||
| 139 | typedef union | |
| 140 | { | |
| 141 | char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; | |
| 142 | long int __align; | |
| 143 | } pthread_rwlockattr_t; | |
| 144 | #endif | |
| 145 | ||
| 146 | ||
| 147 | #ifdef __USE_XOPEN2K | |
| 148 | /* POSIX spinlock data type. */ | |
| 149 | typedef volatile int pthread_spinlock_t; | |
| 150 | ||
| 151 | ||
| 152 | /* POSIX barriers data type. The structure of the type is | |
| 153 | deliberately not exposed. */ | |
| 154 | typedef union | |
| 155 | { | |
| 156 | char __size[__SIZEOF_PTHREAD_BARRIER_T]; | |
| 157 | long int __align; | |
| 158 | } pthread_barrier_t; | |
| 159 | ||
| 160 | typedef union | |
| 161 | { | |
| 162 | char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; | |
| 163 | int __align; | |
| 164 | } pthread_barrierattr_t; | |
| 165 | #endif | |
| 166 | ||
| 167 | ||
| 168 | #endif /* bits/pthreadtypes.h */ |