produceinteger.java

解决线程死锁问题的 生产者 消费者程序

// Fig. 15.6: ProduceInteger.java
// Definition of threaded class ProduceInteger
import javax.swing.JTextArea;

public class ProduceInteger extends Thread {
   private HoldIntegerSynchronized pHold;
   private JTextArea output;

   public ProduceInteger( HoldIntegerSynchronized h,
                          JTextArea o )
   {
      super( "ProduceInteger" );
      pHold = h;
      output = o;
   }

   public void run()
   {
      for ( int count = 1; count <= 10; count++ ) {
         // sleep for a random interval
         // Note: Interval shortened purposely to fill buffer
         try {
            Thread.sleep( (int) ( Math.random() * 500 ) );
         }
         catch( InterruptedException e ) {
            System.err.println( e.toString() );
         }

         pHold.setSharedInt( count );
      }

      output.append( "\n" + getName() +
         
         "\nstop " + getName() + "\n" );
   }
}

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 * (C) Copyright 1999 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
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 * development, research, and testing of the theories and programs        *
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