104 lines
3.4 KiB
Java
104 lines
3.4 KiB
Java
/*
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* Copyright (c) 2007, 2018, 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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package nsk.jvmti.AttachOnDemand.attach009;
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import nsk.share.aod.TargetApplicationWaitingAgents;
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class FirstLoadedClass {
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}
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class ClassToLoad0 {
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}
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class ClassToLoad1 {
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}
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class ClassToLoad2 {
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}
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class LastLoadedClass {
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}
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public class attach009Target extends TargetApplicationWaitingAgents {
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private void loadClass(String className) {
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try {
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Class.forName(className, true, this.getClass().getClassLoader());
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} catch (Throwable t ){
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setStatusFailed("Unexpected exception during class loading: " + t);
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t.printStackTrace(log.getOutStream());
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}
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}
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class ClassLoadingThread extends Thread {
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String className;
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ClassLoadingThread(String className) {
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this.className = className;
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}
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public void run() {
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log.display(Thread.currentThread() + " is loading class '" + className + "'");
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loadClass(className);
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}
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}
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protected void targetApplicationActions() throws Throwable {
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/*
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* Test checks that ClassLoad event can be enabled only for one thread
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* (for target application thread executing method targetApplicationActions()).
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*
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* Method targetApplicationActions() does following:
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* - loads class 'FirstLoadedClass', after this ClassLoad evens enabled only for the current thread
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* - starts several threads loading classes (for these threads ClassLoad events shoudn't be generated)
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* - loads class 'LastLoadedClass', after this test agent should finish work
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*/
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ClassLoadingThread classLoadingThreads[] = new ClassLoadingThread[3];
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for (int i = 0; i < classLoadingThreads.length; i++) {
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classLoadingThreads[i] = new ClassLoadingThread("nsk.jvmti.AttachOnDemand.attach009.ClassToLoad" + i);
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classLoadingThreads[i].setName("ClassLoadingThread-" + i);
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}
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loadClass("nsk.jvmti.AttachOnDemand.attach009.FirstLoadedClass");
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for (ClassLoadingThread classLoadingThread : classLoadingThreads)
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classLoadingThread.start();
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for (ClassLoadingThread classLoadingThread : classLoadingThreads)
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classLoadingThread.join();
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loadClass("nsk.jvmti.AttachOnDemand.attach009.LastLoadedClass");
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}
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public static void main(String[] args) {
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new attach009Target().runTargetApplication(args);
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}
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}
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