1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.util.concurrent.ForkJoinPool; 25 import java.util.concurrent.atomic.AtomicBoolean; 26 import jdk.testlibrary.Utils; 27 28 /* 29 * @test 30 * @bug 8078490 31 * @summary Test submission and execution of task without joining 32 * @library /lib/testlibrary/ 33 */ 34 public class SubmissionTest { 35 static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000); 36 37 static long millisElapsedSince(long startTime) { 38 return (System.nanoTime() - startTime) / (1000L * 1000L); 39 } 40 41 public static void main(String[] args) throws Throwable { 42 final ForkJoinPool e = new ForkJoinPool(1); 43 final AtomicBoolean b = new AtomicBoolean(); 44 final Runnable setFalse = () -> b.set(false); 45 for (int i = 0; i < 30_000; i++) { 46 b.set(true); 47 e.execute(setFalse); 48 long startTime = System.nanoTime(); 49 while (b.get()) { 50 if (millisElapsedSince(startTime) >= LONG_DELAY_MS) { 51 throw new RuntimeException("Submitted task failed to execute"); 52 } 53 Thread.yield(); 54 } 55 } 56 } 57 }