--- jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java	2003/12/28 21:56:18	1.1
+++ jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java	2003/12/29 01:18:40	1.2
@@ -61,10 +61,12 @@ public class AbstractQueuedSynchronizerT
         }
         
         private final Sync sync = new Sync();
-        public void lock() { sync.acquireExclusiveUninterruptibly(1);  }
         public boolean tryLock() { 
             return sync.acquireExclusiveState(false, 1, null) >= 0;
         }
+        public void lock() { 
+            if (!tryLock()) sync.acquireExclusiveUninterruptibly(1);
+        }
         public void lockInterruptibly() throws InterruptedException { 
             sync.acquireExclusiveInterruptibly(1);
         }