git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b33e6163 RM |
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 */ |