ReuseWispTaskAfterThreadJoinTest.java

/*
 * Copyright (c) 2020 Alibaba Group Holding Limited. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation. Alibaba designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

/*
 * @test
 * @library /lib/testlibrary
 * @summary test wisp task reusing after thread.join()
 * @requires os.family == "linux"
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableCoroutine  -Dcom.alibaba.wisp.transparentWispSwitch=true  -Dcom.alibaba.wisp.version=2 -XX:+UseWispMonitor -Dcom.alibaba.wisp.enableThreadAsWisp=true -Dcom.alibaba.wisp.allThreadAsWisp=true  ReuseWispTaskAfterThreadJoinTest
 */

import com.alibaba.wisp.engine.WispEngine;

public class ReuseWispTaskAfterThreadJoinTest {
    public static void main(String[] args) throws Exception {
        Thread t = new Thread(() -> {


        });
        t.start();
        t.join();
        // really exited.
        // reuse the wispTask
        WispEngine.dispatch(() -> {
            try {
                Thread.sleep(200000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        });
        Thread.sleep(1000);
        t.join();
    }
}