Imported MaNGOS revision 6767 from http://mangos.svn.sourceforge.net/svnroot/mangos/trunk/

dep/include/zthread/ReadWriteLock.h

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2005, Eric Crahen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __ZTREADWRITELOCK_H__
+#define __ZTREADWRITELOCK_H__
+
+#include "zthread/Lockable.h"
+#include "zthread/NonCopyable.h"
+
+namespace ZThread {
+  
+  /**
+   * @class ReadWriteLock
+   * 
+   * @author Eric Crahen <http://www.code-foo.com>
+   * @date <2003-07-16T10:17:31-0400>
+   * @version 2.2.7
+   *
+   * A ReadWriteLock provides a set of coordinated Lockable objects that can be used to
+   * guard an object; One for read-only access, and another for read-write access.
+   *
+   * @see BiasedReadWriteLock
+   * @see FairReadWriteLock
+   */  
+  class ReadWriteLock : public NonCopyable {
+  public:
+
+    /**
+     * Create a ReadWriteLock
+     *
+     * @exception Initialization_Exception thrown if resources could not be 
+     *            allocated for this object.
+     */
+    ReadWriteLock() {}
+  
+    //! Destroy this ReadWriteLock
+    virtual ~ReadWriteLock() {} 
+  
+    /**
+     * Get a reference to the read-only Lockable.
+     *
+     * @return <em>Lockable&</em> reference to a Lockable that provides read-only
+     *         access.
+     */
+    virtual Lockable& getReadLock() = 0;
+
+    /**
+     * Get a reference to the read-write Lockable.
+     *
+     * @return <em>Lockable&</em> reference to a Lockable that provides read-write
+     *         access.
+     */
+    virtual Lockable& getWriteLock() = 0;
+
+      
+  }; /* ReadWriteLock */
+
+
+}; // __ZTREADWRITELOCK_H__
+
+#endif