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diff --git a/dep/src/zthread/IntrusivePtr.h b/dep/src/zthread/IntrusivePtr.h
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--- a/dep/src/zthread/IntrusivePtr.h
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@@ -1,100 +0,0 @@
-/*
- * 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 __ZTINTRUSIVEPTR_H__
-#define __ZTINTRUSIVEPTR_H__
-
-#include "zthread/Guard.h"
-#include <cstdlib>
-
-namespace ZThread {
-
-/**
- * @class IntrusivePtr
- * @author Eric Crahen <http://www.code-foo.com>
- * @date <2003-07-16T17:54:23-0400>
- * @version 2.2.0
- *
- * This template creates an intrusively reference counted object
- * an IntrusivePtr starts out with a 1 count, which is updated as references are
- * added and removed. When the reference count drops to 0, the
- * IntrusivePtr will delete itself.
- */
-template <typename T, class LockType>
-class IntrusivePtr : NonCopyable {
-
-  //! Intrusive reference count
-  size_t _count;
-
-  //! Synchornization object
-  LockType _lock;
-
-public:
-
-  /**
-   * Create an IntrusivePtr with a count.
-   */
-  IntrusivePtr(size_t InitialCount=1) : _count(InitialCount) { }
-
-  /**
-   * Destroy an IntrusivePtr
-   */
-  virtual ~IntrusivePtr() {}
-
-  /**
-   * Add a reference to this object, it will take one more
-   * call to delReference() for it to be deleted.
-   */
-  void addReference() {
-
-    Guard<LockType, LockedScope> g(_lock);
-    _count++;
-
-  }
-
-  /**
-   * Remove a reference from this object, if the reference count
-   * drops to 0 as a result, the object deletes itself.
-   */
-  void delReference() {
-
-    bool result = false;
-
-    {
-
-      Guard<LockType, LockedScope> g(_lock);
-      result = (--_count == 0);
-
-    }
-
-    if(result)
-      delete this;
-
-  }
-
-};
-
-
-};
-
-#endif
-