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/*******************************************************************************
* Copyright (c) 2006 International Business Machines Corporation. *
* All rights reserved. This program and the accompanying materials *
* are made available under the terms of the Common Public License v1.0 *
* which accompanies this distribution, and is available at *
* http://www.opensource.org/licenses/cpl1.0.php *
* *
* Contributors: *
* Douglas M. Pase - initial API and implementation *
*******************************************************************************/
/******************************************************************************
* *
* SpinBarrier *
* *
* Author: Douglas M. Pase *
* *
* Date: September 21, 2000 *
* Translated to C++, June 19, 2005 *
* *
* void barrier() *
* *
******************************************************************************/
#include <stdio.h>
#include <pthread.h>
#include "SpinBarrier.h"
// create a new barrier
SpinBarrier::SpinBarrier(int participants)
: limit( participants )
{
pthread_barrier_init( &barrier_obj, NULL, this->limit );
}
// destroy an old barrier
SpinBarrier::~SpinBarrier()
{
}
// enter the barrier and wait. everyone leaves
// when the last participant enters the barrier.
void
SpinBarrier::barrier()
{
pthread_barrier_wait( &this->barrier_obj );
}
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