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