159 lines
3.9 KiB
C
159 lines
3.9 KiB
C
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _BITS_PTHREADTYPES_H
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#define _BITS_PTHREADTYPES_H 1
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#define __SIZEOF_PTHREAD_ATTR_T 56
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#define __SIZEOF_PTHREAD_MUTEX_T 40
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#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
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#define __SIZEOF_PTHREAD_COND_T 48
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#define __SIZEOF_PTHREAD_CONDATTR_T 4
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#define __SIZEOF_PTHREAD_RWLOCK_T 56
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#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
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#define __SIZEOF_PTHREAD_BARRIER_T 32
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#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
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/* Thread identifiers. The structure of the attribute type is not
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exposed on purpose. */
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typedef unsigned long int pthread_t;
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typedef union
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{
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char __size[__SIZEOF_PTHREAD_ATTR_T];
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long int __align;
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} pthread_attr_t;
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/* Data structures for mutex handling. The structure of the attribute
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type is not exposed on purpose. */
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typedef union
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{
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struct
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{
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int __lock;
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unsigned int __count;
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int __owner;
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unsigned int __nusers;
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/* KIND must stay at this position in the structure to maintain
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binary compatibility. */
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int __kind;
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int __spins;
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} __data;
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char __size[__SIZEOF_PTHREAD_MUTEX_T];
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long int __align;
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} pthread_mutex_t;
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typedef union
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{
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char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
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int __align;
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} pthread_mutexattr_t;
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/* Data structure for conditional variable handling. The structure of
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the attribute type is not exposed on purpose. */
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typedef union
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{
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struct
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{
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int __lock;
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int __clock;
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unsigned long long int __total_seq;
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unsigned long long int __wakeup_seq;
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unsigned long long int __woken_seq;
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void *__mutex;
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} __data;
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char __size[__SIZEOF_PTHREAD_COND_T];
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long int __align;
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} pthread_cond_t;
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typedef union
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{
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char __size[__SIZEOF_PTHREAD_CONDATTR_T];
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int __align;
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} pthread_condattr_t;
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/* Keys for thread-specific data */
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typedef unsigned int pthread_key_t;
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/* Once-only execution */
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typedef int pthread_once_t;
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#ifdef __USE_UNIX98
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/* Data structure for read-write lock variable handling. The
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structure of the attribute type is not exposed on purpose. */
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typedef union
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{
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struct
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{
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int __lock;
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unsigned int __nr_readers;
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unsigned int __readers_wakeup;
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unsigned int __writer_wakeup;
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unsigned int __nr_readers_queued;
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unsigned int __nr_writers_queued;
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int __writer;
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int __pad1;
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unsigned long int __pad2;
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unsigned long int __pad3;
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/* FLAGS must stay at this position in the structure to maintain
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binary compatibility. */
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unsigned int __flags;
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} __data;
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char __size[__SIZEOF_PTHREAD_RWLOCK_T];
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long int __align;
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} pthread_rwlock_t;
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typedef union
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{
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char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
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long int __align;
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} pthread_rwlockattr_t;
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#endif
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#ifdef __USE_XOPEN2K
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/* POSIX spinlock data type. */
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typedef volatile int pthread_spinlock_t;
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/* POSIX barriers data type. The structure of the type is
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deliberately not exposed. */
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typedef union
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{
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char __size[__SIZEOF_PTHREAD_BARRIER_T];
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long int __align;
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} pthread_barrier_t;
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typedef union
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{
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char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
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int __align;
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} pthread_barrierattr_t;
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#endif
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#endif /* bits/pthreadtypes.h */
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