| /* |
| * Copyright (c) 2007, 2018, 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 converted from VM Testbase nsk/jvmti/scenarios/hotswap/HS103/hs103t002. |
| * VM Testbase keywords: [quick, jpda, jvmti, noras, redefine, feature_hotswap] |
| * VM Testbase readme: |
| * Periodically hotswap class(es) with a changed version in |
| * asynchronous manner from specified number of JVMTI agents. The VM |
| * works in default mode. |
| * |
| * @library /vmTestbase |
| * /test/lib |
| * @run driver jdk.test.lib.FileInstaller . . |
| * @build nsk.jvmti.scenarios.hotswap.HS103.hs103t002.hs103t002 |
| * |
| * @comment compile newclassXX to bin/newclassXX |
| * @run driver nsk.share.ExtraClassesBuilder |
| * newclass00 |
| * |
| * @build ExecDriver |
| * @run main/othervm/native PropertyResolvingWrapper ExecDriver --java |
| * "-agentlib:hs103t002=pathToNewByteCode=./bin -waittime=5 package=nsk samples=100 mode=compiled" |
| * nsk.jvmti.scenarios.hotswap.HS103.hs103t002.hs103t002 |
| */ |
| |
| package nsk.jvmti.scenarios.hotswap.HS103.hs103t002; |
| /* |
| |
| Periodically hotswap class(es) with a changed version in |
| asynchronous manner from specified number of JVMTI agents. The VM |
| works in default mode. |
| */ |
| |
| import java.util.concurrent.atomic.AtomicInteger; |
| import nsk.share.jvmti.RedefineAgent; |
| |
| public class hs103t002 extends RedefineAgent { |
| private static final int size = 10; |
| |
| private MyThread[] threads; |
| |
| private static volatile boolean isRedefineFinished = false; |
| private static volatile boolean isRedefineFailed = false; |
| |
| public hs103t002(String[] arg) { |
| super(arg); |
| threads = new MyThread[size]; |
| for(int i = 0; i < size; i++) { |
| threads[i] = new MyThread(" Name.."+i); |
| } |
| } |
| |
| public static void main(String[] arg) { |
| arg = nsk.share.jvmti.JVMTITest.commonInit(arg); |
| |
| hs103t002 hsCase = new hs103t002(arg); |
| System.exit(hsCase.runAgent()); |
| } |
| |
| public static void setRedefinitionDone(){ |
| System.out.println("redefines finished"); |
| isRedefineFinished = true; |
| } |
| |
| public static void setRedefinitionFailed(){ |
| System.out.println("redefines failed"); |
| isRedefineFailed = true; |
| } |
| |
| public boolean agentMethod() { |
| try { |
| boolean passed = false; |
| startAgentThread(); |
| waitForRedefine(); |
| doMyTasks(); |
| if ((getResult() == 0) && |
| (redefineAttempted() && isRedefined() ) && !isRedefineFailed ) { |
| System.out.println("all redefines ok"); |
| passed = true; |
| } |
| else { |
| System.out.println("some of redefines failed"); |
| } |
| |
| return passed; |
| } catch(Exception ex) { |
| ex.printStackTrace(); |
| return false; |
| } |
| } |
| |
| public void doMyTasks() throws InterruptedException { |
| System.out.println("running tasks"); |
| for(MyThread thread : threads) { |
| thread.start(); |
| } |
| for(MyThread thread : threads) { |
| thread.join(); |
| } |
| System.out.println("tasks done"); |
| } |
| |
| private void waitForRedefine() { |
| while(!isRedefineFinished) { |
| try { |
| Thread.sleep(10); |
| } catch (InterruptedException e) { |
| System.out.println("interrupted while waiting for the redefines"); |
| } |
| } |
| } |
| |
| public int getResult() { |
| while(MyThread.ai.get() != MyThread.size) { |
| try { |
| Thread.sleep(10); |
| } catch (InterruptedException e) { |
| System.out.println("interrupted while waiting for the threads"); |
| } |
| } |
| int result = 0; |
| for(MyThread thread : threads) { |
| int state = thread.getThreadState(); |
| if (state != MyThread.size * 10) { |
| System.out.println("Error: thread.getThreadState() returned " + state + ", expected " + MyThread.size * 10); |
| result = 1; |
| break; |
| } |
| } |
| return result; |
| } |
| |
| public native boolean startAgentThread(); |
| } |