/* * Copyright (c) 2022, 2023, Oracle and/or its affiliates. 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. * * 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @summary Verifies JVMTI GetLocalXXX/SetLocalXXX return errors for unsuspended vthreads * @library /test/lib * @run main/othervm/native -agentlib:GetSetLocalUnsuspended GetSetLocalUnsuspended */ public class GetSetLocalUnsuspended { private static final String agentLib = "GetSetLocalUnsuspended"; private static native void testUnsuspendedThread(Thread thread); private static volatile boolean doStop; private static void sleep(long millis) { try { Thread.sleep(millis); } catch (InterruptedException e) { throw new RuntimeException("Interruption in Thread.sleep: \n\t" + e); } } static final Runnable SLEEPING_THREAD = () -> { while (!doStop) { sleep(1); } }; private static void testPlatformThread() throws Exception { doStop = false; Thread thread = Thread.ofPlatform().name("SleepingPlatformThread").start(SLEEPING_THREAD); testUnsuspendedThread(thread); doStop = true; thread.join(); } private static void testVirtualThread() throws Exception { doStop = false; Thread thread = Thread.ofVirtual().name("SleepingVirtualThread").start(SLEEPING_THREAD); testUnsuspendedThread(thread); doStop = true; thread.join(); } private void runTest() throws Exception { testPlatformThread(); testVirtualThread(); } public static void main(String[] args) throws Exception { try { System.loadLibrary(agentLib); } catch (UnsatisfiedLinkError ex) { System.err.println("Failed to load " + agentLib + " lib"); System.err.println("java.library.path: " + System.getProperty("java.library.path")); throw ex; } GetSetLocalUnsuspended obj = new GetSetLocalUnsuspended(); obj.runTest(); } }