/*
* @(#)AWTFinalizer.java 1.11 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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 program 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 at /legal/license.txt).
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
package sun.awt;
import sun.awt.AWTFinalizeable;
import java.security.AccessController;
import java.security.PrivilegedAction;
public class AWTFinalizer extends Thread {
static AWTFinalizer theFinalizer;
static AWTFinalizeable theFinalQueue;
static {
AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
theFinalizer = new AWTFinalizer();
return null;
}
}
);
theFinalizer.start();
}
private AWTFinalizer() {
super("AWT-Finalizer");
setPriority(MAX_PRIORITY - 1);
setDaemon(true);
}
public void run() {
while (true) {
AWTFinalizeable q;
synchronized (this) {
while ((q = theFinalQueue) == null) {
try {
wait();
} catch (InterruptedException e) {}
}
theFinalQueue = null;
}
while (q != null) {
q.doFinalization();
q = q.getNextFinalizeable();
}
}
}
public static void addFinalizeable(AWTFinalizeable o) {
synchronized (theFinalizer) {
o.setNextFinalizeable(theFinalQueue);
theFinalQueue = o;
theFinalizer.notify();
}
}
}