[jboss-svn-commits] JBL Code SVN: r31817 - labs/jbosstm/trunk/ArjunaCore/arjuna/classes/com/arjuna/ats/arjuna/common.

[jboss-svn-commits at lists.jboss.org]

Author: mark.little at jboss.com
Date: 2010-02-24 04:25:10 -0500 (Wed, 24 Feb 2010)
New Revision: 31817

Added:
   labs/jbosstm/trunk/ArjunaCore/arjuna/classes/com/arjuna/ats/arjuna/common/Mutex.java
Log:
https://jira.jboss.org/jira/browse/JBTM-709

Added: labs/jbosstm/trunk/ArjunaCore/arjuna/classes/com/arjuna/ats/arjuna/common/Mutex.java
===================================================================
--- labs/jbosstm/trunk/ArjunaCore/arjuna/classes/com/arjuna/ats/arjuna/common/Mutex.java	                        (rev 0)
+++ labs/jbosstm/trunk/ArjunaCore/arjuna/classes/com/arjuna/ats/arjuna/common/Mutex.java	2010-02-24 09:25:10 UTC (rev 31817)
@@ -0,0 +1,62 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2006, Red Hat Middleware LLC, and individual contributors 
+ * as indicated by the @author tags. 
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors. 
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A 
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
+ * MA  02110-1301, USA.
+ * 
+ * (C) 2005-2006,
+ * @author JBoss Inc.
+ */
+/*
+ * Copyright (C) 1998, 1999, 2000,
+ *
+ * Arjuna Solutions Limited,
+ * Newcastle upon Tyne,
+ * Tyne and Wear,
+ * UK.  
+ *
+ * $Id: Semaphore.java 2342 2006-03-30 13:06:17Z  $
+ */
+
+package com.arjuna.ats.arjuna.common;
+
+/**
+ * Implementations of semaphore classes should derive from this
+ * class and provide implementations of the relevant methods.
+ *
+ * @author Mark Little (mark at arjuna.com)
+ * @version $Id$
+ * @since JTS 1.0.
+ */
+
+public interface Mutex
+{
+    public static final int LOCKED = 0;
+
+    public static final int UNLOCKED = 1;
+
+    public static final int WOULD_BLOCK = 2;
+
+    public static final int ERROR = 3;
+
+    /*
+     * Classic semaphore operations.
+     */
+
+    public int lock ();
+
+    public int unlock ();
+
+    public int tryLock ();
+}