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

dep/src/zthread/RecursiveMutexImpl.h

@@ -0,0 +1,78 @@
+/*
+ * 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 __ZTRECURSIVEMUTEXIMPL_H__
+#define __ZTRECURSIVEMUTEXIMPL_H__
+
+#include "zthread/Exceptions.h"
+
+#include "FastLock.h"
+
+#include <vector>
+
+namespace ZThread {
+
+  class Monitor;
+
+  /**
+   * @class RecursiveMutexImpl
+   * @author Eric Crahen <http://www.code-foo.com>
+   * @date <2003-07-16T19:58:26-0400>
+   * @version 2.1.6
+   *
+   * This synchronization object provides serialized access 
+   * through an acquire/release protocol. 
+   */
+  class ZTHREAD_API RecursiveMutexImpl {
+  
+    typedef std::vector<Monitor*> List;  
+
+    //! List of Events that are waiting for notification 
+    List _waiters;
+
+    //! Serialize access to this Mutex
+    FastLock _lock;
+
+    //! Current owning Event object
+    Monitor* _owner;
+
+    //! Entry count 
+    size_t _count;
+
+  public:
+   
+    RecursiveMutexImpl(); 
+
+    virtual ~RecursiveMutexImpl();
+  
+    void acquire();
+  
+    bool tryAcquire(unsigned long);
+  
+    void release(); 
+
+  }; /* RecursiveMutexImpl */
+
+
+}; 
+
+#endif