80 lines
2.3 KiB
Java
80 lines
2.3 KiB
Java
/*
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* Copyright (c) 2012, 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 vm.share.vmstresser;
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public class CompileAndDeoptimize implements Runnable {
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public static int v = 0;
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private abstract static class A {
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public abstract void incv();
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}
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private static class B extends A {
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public void incv() {
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v++;
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}
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}
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public static class C extends A {
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public void incv() {
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v += (new int[1][1][1][1][1][1][1][1]).length;
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}
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}
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private volatile boolean done = false;
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public volatile A a = new B();
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private void incv() {
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a.incv();
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}
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private void inc() {
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while ( ! done ) {
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incv();
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}
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//while ( ! done ) {
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// incv();
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//}
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//while ( ! done ) {
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// incv();
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//}
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}
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public void run() {
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try {
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Thread t = new Thread(new Runnable() { @Override public void run() { inc(); } });
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t.start();
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Thread.sleep(100);
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a = (A) CompileAndDeoptimize.class.getClassLoader().loadClass(B.class.getName().replaceAll("B$", "C")).getConstructors()[0].newInstance(new Object[0]);
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//Thread.sleep(1000);
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//done = true;
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//t.join();
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} catch ( Throwable t ) {
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t.printStackTrace();
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}
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}
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}
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