08855df46a
Reviewed-by: vlivanov, erikj, mseledtsov, gthornbr
51 lines
1.7 KiB
Java
51 lines
1.7 KiB
Java
/*
|
|
* Copyright (c) 2007, 2018, 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.
|
|
*/
|
|
package nsk.share.locks;
|
|
|
|
import nsk.share.Wicket;
|
|
|
|
/*
|
|
* Class used for deadlock creation, acquires java lock
|
|
* using synchronized block
|
|
*/
|
|
public class SynchronizedBlockLocker extends DeadlockLocker {
|
|
private Object object = new Object();
|
|
|
|
public SynchronizedBlockLocker(Wicket step1, Wicket step2, Wicket readyWicket) {
|
|
super(step1, step2, readyWicket);
|
|
}
|
|
|
|
public Object getLock() {
|
|
return object;
|
|
}
|
|
|
|
protected void doLock() {
|
|
synchronized (object) {
|
|
step1.unlockAll();
|
|
step2.waitFor();
|
|
readyWicket.unlock();
|
|
inner.lock();
|
|
}
|
|
}
|
|
}
|