1 /*
2  * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package sun.awt.X11;
27 
28 import sun.awt.datatransfer.ToolkitThreadBlockedHandler;
29 
30 final class XToolkitThreadBlockedHandler implements
31                                  ToolkitThreadBlockedHandler {
32     private static final ToolkitThreadBlockedHandler priveleged_lock;
33     static {
34         priveleged_lock = new XToolkitThreadBlockedHandler();
35     }
36     private static final XToolkit tk = (XToolkit)java.awt.Toolkit.getDefaultToolkit();
37 
XToolkitThreadBlockedHandler()38     private XToolkitThreadBlockedHandler() {}
getToolkitThreadBlockedHandler()39     static ToolkitThreadBlockedHandler getToolkitThreadBlockedHandler() {
40         return priveleged_lock;
41     }
lock()42     public void lock() {
43         XToolkit.awtLock();
44     }
unlock()45     public void unlock() {
46         XToolkit.awtUnlock();
47     }
enter()48     public void enter() {
49         tk.run(XToolkit.SECONDARY_LOOP);
50     }
exit()51     public void exit() {
52         XlibWrapper.ExitSecondaryLoop();
53     }
54 }
55