russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
56 lines
2.1 KiB
Java
56 lines
2.1 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/**
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* Simple application that checks that shutdown does not commence until
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* after the last non-daemon thread has terminated. Reporting failure is
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* tricky because we can't uses exceptions (as they are ignored from Shutdown
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* hooks) and we can't call System.exit. So we rely on System.out being checked
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* in the TestDaemonDestroy application.
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*/
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public class Main {
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static volatile Thread t1;
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public static void main() {
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t1 = new Thread(() -> {
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System.out.println("T1 started");
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try {
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Thread.sleep(5000);
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} catch (InterruptedException ignore) { }
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System.out.println("T1 finished");
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}, "T1");
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t1.setDaemon(false);
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Thread hook = new Thread(() -> {
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System.out.println("HOOK started");
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if (t1.isAlive()) {
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System.out.println("Error: T1 isAlive");
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}
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}, "HOOK");
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Runtime.getRuntime().addShutdownHook(hook);
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t1.start();
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}
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}
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