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Java Class File  |  1997-03-06  |  426 b   |  19 lines
  1. package sun.misc;
  2.  
  3. public class Lock {
  4.    private boolean locked = false;
  5.  
  6.    public final synchronized void lock() throws InterruptedException {
  7.       while(this.locked) {
  8.          this.wait();
  9.       }
  10.  
  11.       this.locked = true;
  12.    }
  13.  
  14.    public final synchronized void unlock() {
  15.       this.locked = false;
  16.       this.notifyAll();
  17.    }
  18. }
  19.