85 lines
2.6 KiB
Java
85 lines
2.6 KiB
Java
/*
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* Copyright (c) 2001, 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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*
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*/
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import java.util.*;
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class UnloadEventTarg {
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static int loadersFinalized = 0;
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public static void main(String[] args) throws ClassNotFoundException {
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loadup("first");
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loadup("second");
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if (!forceUnload()) {
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System.err.println("Unable to force unload");
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}
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lastStop();
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}
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static void loadup(String id) throws ClassNotFoundException {
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ClassLoaderTarg cl = new ClassLoaderTarg(id);
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cl.findClass("Unload1Targ").getFields();
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cl.findClass("Unload2Targ").getFields();
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}
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static boolean forceUnload() {
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List holdAlot = new ArrayList();
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for (int chunk=10000000; chunk > 10000; chunk = chunk / 2) {
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if (loadersFinalized > 1) {
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return true;
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}
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try {
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while(true) {
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holdAlot.add(new byte[chunk]);
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System.err.println("Allocated " + chunk);
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}
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}
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catch ( Throwable thrown ) { // OutOfMemoryError
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System.gc();
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}
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System.runFinalization();
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}
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return false;
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}
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static void classLoaderFinalized(String id) {
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System.err.println("finalizing ClassLoaderTarg - " + id);
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loadersFinalized++;
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}
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static void unloading1() {
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System.err.println("unloading Unload1Targ");
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}
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static void unloading2() {
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System.err.println("unloading Unload2Targ");
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}
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static void lastStop() {
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System.err.println("UnloadEventTarg exiting");
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}
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}
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