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
34import jdk.testlibrary.OutputAnalyzer;
35import static jdk.testlibrary.ProcessTools.createJavaProcessBuilder;
36import static jdk.testlibrary.ProcessTools.executeProcess;
37
38public 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}
64