--- a/jdk/src/java.desktop/share/classes/sun/java2d/Disposer.java Tue Jul 07 12:26:59 2015 -0700
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/Disposer.java Wed Jul 08 14:10:31 2015 +0300
@@ -205,8 +205,8 @@
int freed = 0;
int deferred = 0;
try {
- while ((obj = queue.poll()) != null
- && freed < 10000 && deferred < 100) {
+ while ( freed < 10000 && deferred < 100 &&
+ (obj = queue.poll()) != null ) {
freed++;
((Reference)obj).clear();
DisposerRecord rec = records.remove(obj);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/java2d/Disposer/TestDisposerLeak.java Wed Jul 08 14:10:31 2015 +0300
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.util.LinkedList;
+import java.util.List;
+
+import sun.java2d.Disposer;
+import sun.java2d.DisposerRecord;
+
+/**
+ * @test
+ * @bug 8129457
+ * @summary Check Disposer disposes all objects without any memory leaks
+ * @run main/othervm TestDisposerLeak
+ * @modules java.desktop/sun.java2d
+ */
+public final class TestDisposerLeak {
+
+ private static final int COUNT = 30000;
+
+ private static volatile boolean disposerComplete;
+
+ private static volatile boolean readyForDispose;
+
+ static int disposeCount = 0;
+
+ public static void main(String[] args) throws Exception {
+ TestDisposerLeak test = new TestDisposerLeak();
+ test.testLeak();
+ while (!disposerComplete) {}
+ if (disposeCount != COUNT) {
+ System.err.println("dispose called " + disposeCount);
+ throw new RuntimeException("All objects are not disposed");
+ }else {
+ System.out.println("Test PASSED");
+ }
+ }
+
+ public void testLeak() throws Exception {
+ MyDisposerRec disposerRecord = new MyDisposerRec();
+ for (int i = 0; i < 30000; i++) {
+ Disposer.addObjectRecord(new Object(), disposerRecord);
+ }
+ generateOOME();
+ readyForDispose = true;
+ Disposer.addObjectRecord(new Object(), new EndRec());
+ generateOOME();
+ }
+
+ class MyDisposerRec implements DisposerRecord, Disposer.PollDisposable {
+
+ public void dispose() {
+ while (!readyForDispose) {}
+ disposeCount++;
+ Disposer.pollRemove();
+ }
+ }
+
+ class EndRec implements DisposerRecord, Disposer.PollDisposable {
+
+ public void dispose() {
+ disposerComplete = true;
+ }
+ }
+
+ private static void generateOOME() throws Exception {
+ List<Object> leak = new LinkedList<>();
+ try {
+ while (true) {
+ leak.add(new byte[1024 * 1024]);
+ }
+ } catch (OutOfMemoryError e) {
+ }
+ // Give the GC a chance at that weakref in case of slow systems
+ Thread.sleep(2000);
+ }
+}