/**
 * Worker.java
 * 
 * This thread is used to demonstrate the operation of a semaphore.
 * 
 * Figure 6.8
 *
 * @author Gagne, Galvin, Silberschatz
 * Operating System Concepts with Java - Eighth Edition
 * Copyright John Wiley & Sons - 2010.
 */

public class Worker implements Runnable {

	private Semaphore sem;

	private String name;

	public Worker(Semaphore sem, String name) {
		this.name = name;
		this.sem = sem;
	}

	public void run() {
		while (true) {
			sem.acquire();
      		System.out.println(name + " is in critical section");
			MutualExclusionUtilities.criticalSection(name);
      		System.out.println(name + " is out of critical section");
			sem.release();
			MutualExclusionUtilities.nonCriticalSection(name);
		}
	}

}