--- jsr166/src/test/tck/JSR166TestCase.java	2016/01/23 20:15:28	1.183
+++ jsr166/src/test/tck/JSR166TestCase.java	2016/03/04 21:00:45	1.189
@@ -9,6 +9,7 @@
 /*
  * @test
  * @summary JSR-166 tck tests
+ * @modules java.management
  * @build *
  * @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase
  */
@@ -60,6 +61,7 @@ import java.util.concurrent.Semaphore;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -183,10 +185,42 @@ public class JSR166TestCase extends Test
         Integer.getInteger("jsr166.suiteRuns", 1);
 
     /**
-     * The scaling factor to apply to standard delays used in tests.
+     * Returns the value of the system property, or NaN if not defined.
      */
-    private static final int delayFactor =
-        Integer.getInteger("jsr166.delay.factor", 1);
+    private static float systemPropertyValue(String name) {
+        String floatString = System.getProperty(name);
+        if (floatString == null)
+            return Float.NaN;
+        try {
+            return Float.parseFloat(floatString);
+        } catch (NumberFormatException ex) {
+            throw new IllegalArgumentException(
+                String.format("Bad float value in system property %s=%s",
+                              name, floatString));
+        }
+    }
+
+    /**
+     * The scaling factor to apply to standard delays used in tests.
+     * May be initialized from any of:
+     * - the "jsr166.delay.factor" system property
+     * - the "test.timeout.factor" system property (as used by jtreg)
+     *   See: http://openjdk.java.net/jtreg/tag-spec.html
+     * - hard-coded fuzz factor when using a known slowpoke VM
+     */
+    private static final float delayFactor = delayFactor();
+
+    private static float delayFactor() {
+        float x;
+        if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
+            return x;
+        if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
+            return x;
+        String prop = System.getProperty("java.vm.version");
+        if (prop != null && prop.matches(".*debug.*"))
+            return 4.0f; // How much slower is fastdebug than product?!
+        return 1.0f;
+    }
 
     public JSR166TestCase() { super(); }
     public JSR166TestCase(String name) { super(name); }
@@ -562,10 +596,12 @@ public class JSR166TestCase extends Test
 
     /**
      * Returns the shortest timed delay. This can be scaled up for
-     * slow machines using the jsr166.delay.factor system property.
+     * slow machines using the jsr166.delay.factor system property,
+     * or via jtreg's -timeoutFactor: flag.
+     * http://openjdk.java.net/jtreg/command-help.html
      */
     protected long getShortDelay() {
-        return 50 * delayFactor;
+        return (long) (50 * delayFactor);
     }
 
     /**
@@ -878,6 +914,14 @@ public class JSR166TestCase extends Test
         }};
     }
 
+    PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
+        return new PoolCleanerWithReleaser(pool, releaser(flag));
+    }
+
+    Runnable releaser(final AtomicBoolean flag) {
+        return new Runnable() { public void run() { flag.set(true); }};
+    }
+
     /**
      * Waits out termination of a thread pool or fails doing so.
      */
@@ -1434,16 +1478,20 @@ public class JSR166TestCase extends Test
         return new LatchAwaiter(latch);
     }
 
-    public void await(CountDownLatch latch) {
+    public void await(CountDownLatch latch, long timeoutMillis) {
         try {
-            if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
+            if (!latch.await(timeoutMillis, MILLISECONDS))
                 fail("timed out waiting for CountDownLatch for "
-                     + (LONG_DELAY_MS/1000) + " sec");
+                     + (timeoutMillis/1000) + " sec");
         } catch (Throwable fail) {
             threadUnexpectedException(fail);
         }
     }
 
+    public void await(CountDownLatch latch) {
+        await(latch, LONG_DELAY_MS);
+    }
+
     public void await(Semaphore semaphore) {
         try {
             if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))