/*
 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
 *
 *  This file is licensed to You under the Eclipse Public License (EPL);
 *  You may not use this file except in compliance with the License. You
 *  may obtain a copy of the License at
 *
 *      http://www.opensource.org/licenses/eclipse-1.0.php
 *
 *  See the COPYRIGHT.txt file distributed with this work for information
 *  regarding copyright ownership.
 */
import org.jikesrvm.scheduler.RVMThread;

class TestDeadVPQueue {
   public static void
   main(String[] args) throws Exception {

        TestDeadVPQueueWorker w = null;

      System.out.println("TestDeadVPQueue");

      // load the native code library
      System.out.println("Attempting to load dynamic library ...");
      System.out.println("(the LIBPATH env variable must be set for this directory)");

      System.loadLibrary("TestDeadVPQueueWorker");


      // create a thread and wait for it to terminate
      System.out.println(Thread.currentThread().getName() + ": creating worker 1");
      TestDeadVPQueueWorker w1 = new TestDeadVPQueueWorker("worker 1");

      System.out.println(Thread.currentThread().getName() + ": starting worker 1");
      w1.start();
      while (w1.state != TestDeadVPQueueWorker.ending) {
         try {
           Thread.currentThread().sleep(100);
         } catch (InterruptedException e) {
           // ignore
         }
      }
      System.out.println(Thread.currentThread().getName() + ": ending worker 1");
         try {
           Thread.currentThread().sleep(100);
         } catch (InterruptedException e) {
           // ignore
         }

      // create a second thread and wait for it to terminate
    System.out.println(Thread.currentThread().getName() + ": creating worker 2");
       TestDeadVPQueueWorker w2 = new TestDeadVPQueueWorker("worker 2");

      System.out.println(Thread.currentThread().getName() + ": starting worker 2");
      w2.start();
      while (w2.state != TestDeadVPQueueWorker.ending) {
         try {
           Thread.currentThread().sleep(100);
         } catch (InterruptedException e) {
           // ignore
         }
      }
      System.out.println(Thread.currentThread().getName() + ": ending worker 2");
         try {
           Thread.currentThread().sleep(100);
         } catch (InterruptedException e) {
           // ignore
         }

    System.out.println("end synchronous test- dump VM state");
     RVMThread.dumpVirtualMachine();


    System.out.println("start semi asynchronous test- then dump VM state");

      // create start and run 9 threads
      for (int i = 1; i < 10; i++) {

       String s = " worker " + i;
       // create a thread and start it
       System.out.println(Thread.currentThread().getName() + ":creating" + s);
       w = new TestDeadVPQueueWorker(s);
       System.out.println(Thread.currentThread().getName() + ":starting" + s);
       w.start();
       // wait a bit before we start the next
       try {
         Thread.currentThread().sleep(10);
        } catch (InterruptedException e) {
          // ignore
        }
      }
      while (w.state != TestDeadVPQueueWorker.ending) {
        try {
          Thread.currentThread().sleep(500);
        } catch (InterruptedException e) {
          // ignore
        }
      }


      System.out.println("main: bye");
      RVMThread.dumpVirtualMachine();
      }
   }