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