summaryrefslogtreecommitdiff
path: root/src/spinbarrier.cpp
blob: 3699dcfd0c5ff7058bde7562f5df2064f27c851c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/*******************************************************************************
 * 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                         *
 *    Tim Besard - prefetching, JIT compilation                                *
 *******************************************************************************/

//
// Configuration
//

// Implementation header
#include "spinbarrier.h"

// System includes
#include <cstdio>


//
// Implementation
//

// 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);
}