84 lines
3.0 KiB
Java
84 lines
3.0 KiB
Java
/*
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* Copyright (c) 2020, 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 id=default
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* @summary Verifies specific JVMTI functions work with current virtual thread passed as NULL.
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* @compile NullAsCurrentThreadTest.java
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* @run main/othervm/native -agentlib:NullAsCurrentThreadTest=EnableVirtualThreadSupport NullAsCurrentThreadTest
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*/
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/**
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* @test id=no-vmcontinuations
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* @requires vm.continuations
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* @compile NullAsCurrentThreadTest.java
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* @run main/othervm/native -agentlib:NullAsCurrentThreadTest=EnableVirtualThreadSupport -XX:+UnlockExperimentalVMOptions -XX:-VMContinuations NullAsCurrentThreadTest
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*/
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public class NullAsCurrentThreadTest {
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private static final String AGENT_LIB = "NullAsCurrentThreadTest";
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private static void log (String msg) { System.out.println(msg); }
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private static Object lock = new Object();
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native static boolean failedStatus();
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native static void testJvmtiFunctions();
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static int factorial(int num) {
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int fact = 1;
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if (num > 1) {
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fact = num * factorial(num - 1);
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} else {
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testJvmtiFunctions();
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}
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return fact;
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}
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final Runnable pinnedTask = () -> {
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synchronized (lock) {
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int fact = factorial(10);
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log("Java App: Factorial(10) = " + fact);
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}
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};
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void runTest() throws Exception {
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Thread vthread = Thread.ofVirtual().name("TestedVThread").start(pinnedTask);
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vthread.join();
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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(AGENT_LIB);
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} catch (UnsatisfiedLinkError ex) {
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log("Java App: Failed to load " + AGENT_LIB + " lib");
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log("Java App: java.library.path: " + System.getProperty("java.library.path"));
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throw ex;
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}
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NullAsCurrentThreadTest tst = new NullAsCurrentThreadTest();
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tst.runTest();
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boolean failed = failedStatus();
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if (failed) {
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throw new RuntimeException("NullAsCurrentThreadTest FAILED: failed status from native agent");
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}
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}
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}
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