src/pthread_barrier.h

/*
 * pthread_barrier.c - Barrier handling for pthreads.
 *
 * This file is part of the Portable.NET C library.
 * Copyright (C) 2004  Southern Storm Software, Pty Ltd.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef PTHREAD_BARRIER_H_
#define PTHREAD_BARRIER_H_

#include <pthread.h>

#define PTHREAD_BARRIER_SERIAL_THREAD -1

typedef struct {
	int desired_count;
	int current_count;
	pthread_mutex_t mutex;
	pthread_cond_t condition;
} pthread_barrier_t;

int pthread_barrier_init (pthread_barrier_t *barrier, unsigned int count);
int pthread_barrier_destroy (pthread_barrier_t *barrier);
int pthread_barrier_wait (pthread_barrier_t *barrier);

#endif  // PTHREAD_BARRIER_H_