/* * 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 blocking accept * @requires os.family == "linux" * @run main/othervm -XX:ActiveProcessorCount=4 -XX:+UnlockExperimentalVMOptions -XX:+EnableCoroutine -Dcom.alibaba.wisp.transparentWispSwitch=true -XX:+UseWispMonitor BlockingAcceptTest * @run main/othervm -XX:ActiveProcessorCount=4 -XX:+UnlockExperimentalVMOptions -XX:+UseWisp2 BlockingAcceptTest */ import java.net.InetSocketAddress; import java.net.Socket; import java.nio.channels.ServerSocketChannel; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; public class BlockingAcceptTest { public static void main(String[] args) throws Exception { CountDownLatch latch = new CountDownLatch(1); Thread t = new Thread(() -> { try { latch.await(1, TimeUnit.SECONDS); Thread.sleep(200); Socket s = new Socket(); s.connect(new InetSocketAddress(12388)); } catch (Exception e) { } }); t.start(); ServerSocketChannel ssc = ServerSocketChannel.open(); ssc.bind(new InetSocketAddress(12388)); latch.countDown(); ssc.accept(); } }