| /* |
| * Copyright (c) 2013, 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. |
| */ |
| /* |
| */ |
| package org.graalvm.compiler.jtt.threads; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.jtt.JTTTest; |
| |
| /** |
| * Inspired by {@code com.sun.media.sound.DirectAudioDevice$DirectDL.drain()}. |
| * |
| * Two loop exits hold a monitor while merging. |
| * |
| */ |
| public final class SynchronizedLoopExit01 extends JTTTest { |
| |
| protected Object object = new Object(); |
| protected volatile boolean drained = false; |
| protected volatile boolean someBoolean = true; |
| |
| public boolean test() { |
| boolean b = true; |
| while (!drained) { |
| synchronized (object) { |
| boolean c = b = someBoolean; |
| if (c || drained) { |
| break; |
| } |
| } |
| } |
| return b; |
| } |
| |
| @Test(timeout = 20000) |
| public void run0() throws Throwable { |
| runTest("test"); |
| } |
| |
| } |
