94 lines
3.0 KiB
Java
94 lines
3.0 KiB
Java
/*
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* Copyright (c) 2018, 2023, 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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* @test
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* @summary Verifies JVMTI support for VThreads.
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* @requires vm.continuations
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* @compile VThreadTest.java
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* @run main/othervm/native -agentlib:VThreadTest VThreadTest
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*/
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import java.util.concurrent.*;
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public class VThreadTest {
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private static final String agentLib = "VThreadTest";
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static final int MSG_COUNT = 10*1000;
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static final SynchronousQueue<String> QUEUE = new SynchronousQueue<>();
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static native boolean check();
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static void producer(String msg) throws InterruptedException {
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int ii = 1;
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long ll = 2*(long)ii;
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float ff = ll + 1.2f;
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double dd = ff + 1.3D;
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msg += dd;
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QUEUE.put(msg);
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}
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static final Runnable PRODUCER = () -> {
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try {
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for (int i = 0; i < MSG_COUNT; i++) {
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producer("msg: ");
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}
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} catch (InterruptedException e) { }
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};
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static final Runnable CONSUMER = () -> {
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try {
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for (int i = 0; i < MSG_COUNT; i++) {
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String s = QUEUE.take();
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}
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} catch (InterruptedException e) { }
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};
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public static void test1() throws Exception {
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Thread producer = Thread.ofVirtual().name("VThread-Producer").start(PRODUCER);
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Thread consumer = Thread.ofVirtual().name("VThread-Consumer").start(CONSUMER);
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producer.join();
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consumer.join();
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if (!check()) {
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throw new RuntimeException("VThreadTest failed!");
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}
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}
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void runTest() throws Exception {
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test1();
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}
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public static void main(String[] args) throws Exception {
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try {
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System.loadLibrary(agentLib);
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} catch (UnsatisfiedLinkError ex) {
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System.err.println("Failed to load " + agentLib + " lib");
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System.err.println("java.library.path: " + System.getProperty("java.library.path"));
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throw ex;
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}
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VThreadTest obj = new VThreadTest();
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obj.runTest();
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}
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}
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