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/* Thread barrier attribute type. Generic version.
Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _BITS_BARRIER_H
#define _BITS_BARRIER_H 1
#include <bits/spin-lock.h>
/* This structure describes the attributes of a POSIX barrier. */
struct __pthread_barrier
{
__pthread_spinlock_t lock;
struct __pthread *queue; /* List of waiters. */
unsigned pending; /* Number of that still need to wait on
barrier. */
unsigned count; /* Number of threads that must wait before
barrier is passed. */
struct __pthread_barrierattr *attr;
void *data;
};
#endif /* bits/barrier.h */
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