--- jsr166/src/test/loops/MultipleProducersSingleConsumerLoops.java	2015/08/10 03:13:33	1.11
+++ jsr166/src/test/loops/MultipleProducersSingleConsumerLoops.java	2016/12/31 21:34:47	1.15
@@ -4,13 +4,20 @@
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
-import java.util.*;
-import java.util.concurrent.*;
-//import jsr166y.*;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingDeque;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.LinkedTransferQueue;
+import java.util.concurrent.Phaser;
+import java.util.concurrent.PriorityBlockingQueue;
+import java.util.concurrent.SynchronousQueue;
 
 public class MultipleProducersSingleConsumerLoops {
     static final int NCPUS = Runtime.getRuntime().availableProcessors();
-    static final Random rng = new Random();
     static final ExecutorService pool = Executors.newCachedThreadPool();
     static boolean print = false;
     static int producerSum;
@@ -246,8 +253,8 @@ public class MultipleProducersSingleCons
     static final class LTQasSQ<T> extends LinkedTransferQueue<T> {
         LTQasSQ() { super(); }
         public void put(T x) {
-            try { super.transfer(x);
-            } catch (InterruptedException ex) { throw new Error(); }
+            try { super.transfer(x); }
+            catch (InterruptedException ex) { throw new Error(ex); }
         }
     }
 
@@ -258,10 +265,8 @@ public class MultipleProducersSingleCons
             if ((++calls & 1) == 0)
                 super.put(x);
             else {
-                try { super.transfer(x);
-                } catch (InterruptedException ex) {
-                    throw new Error();
-                }
+                try { super.transfer(x); }
+                catch (InterruptedException ex) { throw new Error(ex); }
             }
         }
     }