package pt.ul.jarmus.nodeadlocks;
import java.util.concurrent.Phaser;
import pt.ul.jarmus.JArmus;
public class ProducerConsumer {
protected static final int nz = 1000;
public static void main(String[] args) {
final int num_threads = 3;
final Phaser ph[] = new Phaser[num_threads];
for (int i = 0; i < num_threads; i++) {
ph[i] = new Phaser(2);
}
for (int i = 0; i < num_threads; i++) {
final Phaser curr = ph[i];
final Phaser neighbour = ph[(i + num_threads - 1) % num_threads];
final int id = i;
new Thread(new Runnable() {
@Override
public void run() {
JArmus.register(curr);
JArmus.register(neighbour);
for (int k = 1; k <= nz - 2; k++) {
step(k);
if (id > 0) {
neighbour.arriveAndAwaitAdvance();
}
step2(k);
if (id < num_threads - 1) {
curr.arriveAndAwaitAdvance();
}
}
}
private void step2(int k) {
// do nothing
}
private void step(int k) {
// do nothing
}
}).start();
}
}
}