src/java.base/share/classes/java/lang/ref/Reference.java

rev 15228 : [mq]: per_review

@@ -142,24 +142,23 @@
 
     /* Atomically get and clear (set to null) the VM's pending list.
      */
     private static native Reference<Object> getAndClearReferencePendingList();
 
-    /* Atomically test whether the VM's pending list contains any
-     * entries.  If not, and await is true, then block until the
-     * pending list becomes non-empty.  The GC adds references to the
-     * pending list and notifies waiting threads when references are
-     * added.  Returns true when the pending list was found to be
-     * non-empty.
+    /* Test whether the VM's pending list contains any entries.
      */
-    private static native boolean checkReferencePendingList(boolean await);
+    private static native boolean hasReferencePendingList();
+
+    /* Wait until the VM's pending list may be non-null.
+     */
+    private static native void waitForReferencePendingList();
 
     private static final Object processPendingLock = new Object();
     private static boolean processPendingActive = false;
 
     private static void processPendingReferences() {
-        checkReferencePendingList(true);
+        waitForReferencePendingList();
         Reference<Object> pendingList;
         synchronized (processPendingLock) {
             pendingList = getAndClearReferencePendingList();
             processPendingActive = true;
         }

@@ -197,11 +196,11 @@
      */
     private static boolean waitForReferenceProcessing()
         throws InterruptedException
     {
         synchronized (processPendingLock) {
-            if (processPendingActive || checkReferencePendingList(false)) {
+            if (processPendingActive || hasReferencePendingList()) {
                 // Wait for progress, not necessarily completion.
                 processPendingLock.wait();
                 return true;
             } else {
                 return false;