no, I'm rolling this back. Let's wait and see what the tests I'm running at work on something similar say.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@590998 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/util/WorkerAnt.java

@@ -114,7 +114,7 @@ public class WorkerAnt extends Thread {
      */
     public void waitUntilFinished(long timeout) throws InterruptedException {
         synchronized(notify) {
-            while (!finished) {
+            if(!finished) {
                 notify.wait(timeout);
             }
         }