/**
 * TestScheduler.java
 *
 * This program demonstrates how the scheduler operates.
 * This creates the scheduler and then the three example threads.
 *
 * @author Greg Gagne, Peter Galvin, Avi Silberschatz
 * @version 1.0 - July 15, 1999.
 * Copyright 2000 by Greg Gagne, Peter Galvin, Avi Silberschatz
 * Applied Operating Systems Concepts - John Wiley and Sons, Inc.
 */

public class TestScheduler  
{
   public static void main(String args[]) {
	/**
	* This must run at the highest priority to ensure that
	* it can create the scheduler and the example threads.
	* If it did not run at the highest priority, it is possible
	* that the scheduler could preempt this and not allow it to
	* create the example threads.
	*/
      Thread.currentThread().setPriority(Thread.MAX_PRIORITY);

      Scheduler CPUScheduler = new Scheduler();
   
      CPUScheduler.start();

      TestThread t1 = new TestThread("Thread 1");
      t1.start();
      CPUScheduler.addThread(t1);

      TestThread t2 = new TestThread("Thread 2");
      t2.start();
      CPUScheduler.addThread(t2);
      
      TestThread t3 = new TestThread("Thread 3");
      t3.start();
      CPUScheduler.addThread(t3);
   }
}