94 lines
3.3 KiB
Java
94 lines
3.3 KiB
Java
/*
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* Copyright (c) 2017, 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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import jdk.test.lib.Utils;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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/*
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* @test HandshakeTransitionTest
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* @summary This does a sanity test of the poll in the native wrapper.
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* @library /testlibrary /test/lib
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* @build HandshakeTransitionTest
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* @run main/native HandshakeTransitionTest
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*/
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public class HandshakeTransitionTest {
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public static native void someTime(int ms);
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public static void main(String[] args) throws Exception {
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List<String> commands = new ArrayList<>();
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commands.add("-Djava.library.path=" + Utils.TEST_NATIVE_PATH);
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commands.add("-XX:+UnlockDiagnosticVMOptions");
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commands.add("-XX:+SafepointALot");
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commands.add("-XX:+HandshakeALot");
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commands.add("-XX:GuaranteedSafepointInterval=20");
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commands.add("-XX:ParallelGCThreads=1");
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commands.add("-XX:ConcGCThreads=1");
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commands.add("-XX:CICompilerCount=2");
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commands.addAll(Arrays.asList(args));
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commands.add("HandshakeTransitionTest$Test");
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ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(commands);
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OutputAnalyzer output = ProcessTools.executeProcess(pb);
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output.reportDiagnosticSummary();
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output.shouldHaveExitValue(0);
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output.stdoutShouldContain("JOINED");
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}
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static class Test implements Runnable {
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final static int testLoops = 2000;
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final static int testSleep = 1; //ms
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public static void main(String[] args) throws Exception {
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System.loadLibrary("HandshakeTransitionTest");
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Test test = new Test();
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Thread[] threads = new Thread[64];
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for (int i = 0; i<threads.length ; i++) {
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threads[i] = new Thread(test);
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threads[i].start();
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}
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for (Thread t : threads) {
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t.join();
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}
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System.out.println("JOINED");
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}
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@Override
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public void run() {
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try {
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for (int i = 0; i<testLoops ; i++) {
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someTime(testSleep);
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}
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} catch (Exception e) {
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System.out.println(e.getMessage());
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System.exit(1);
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}
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}
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}
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}
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