1 /* 2 * Copyright (c) 2016, 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 /* 25 * @test 26 * @bug 8154017 27 * @library /lib/testlibrary 28 * @build jdk.testlibrary.* 29 * @summary Shutdown hooks are racing against shutdown sequence, 30 if System.exit()-calling thread is interrupted 31 * @run main ShutdownInterruptedMain exec 32 */ 33 34 import jdk.testlibrary.OutputAnalyzer; 35 import static jdk.testlibrary.ProcessTools.createJavaProcessBuilder; 36 import static jdk.testlibrary.ProcessTools.executeProcess; 37 38 public class ShutdownInterruptedMain { 39 40 public static void main(String[] args) throws Exception { 41 if (args.length > 0) { 42 ProcessBuilder pb = createJavaProcessBuilder(true, "ShutdownInterruptedMain"); 43 OutputAnalyzer output = executeProcess(pb); 44 output.shouldContain("Shutdown Hook"); 45 output.shouldHaveExitValue(0); 46 return; 47 } 48 49 Runtime.getRuntime().addShutdownHook(new Thread() { 50 @Override 51 public void run() { 52 // Wait for the race to unfold: 53 try { 54 Thread.sleep(5_000); 55 } catch (InterruptedException e) {} 56 System.out.println("Shutdown Hook"); 57 System.out.flush(); 58 } 59 }); 60 Thread.currentThread().interrupt(); 61 System.exit(0); 62 } 63 }