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Copy_Disabled.h

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00001 // -*- C++ -*-
00002 
00003 //===========================================================================
00004 /**
00005  * @file Copy_Disabled.h
00006  *
00007  * $Id: Copy_Disabled.h,v 1.1.1.1 2003/02/21 18:36:32 chad Exp $
00008  *
00009  * @author Carlos O'Ryan <coryan@uci.edu>
00010  */
00011 //===========================================================================
00012 
00013 #ifndef ACE_COPY_DISABLED_H
00014 #define ACE_COPY_DISABLED_H
00015 
00016 #include "ace/pre.h"
00017 
00018 #include "ace/ACE_export.h"
00019 
00020 #if !defined (ACE_LACKS_PRAGMA_ONCE)
00021 # pragma once
00022 #endif /* ACE_LACKS_PRAGMA_ONCE */
00023 
00024 /**
00025  * @class ACE_Copy_Disabled
00026  *
00027  * @brief Helper class to disable copy construction and assignment
00028  *
00029  * Classes used to control OS and other resources are not "canonical",
00030  * i.e. they have their copy constructor and assignment operators
00031  * disabled.
00032  * This is often done by making the copy constructor and assignment
00033  * operators private, effectively disallowing copying by clients of
00034  * the class (including derived classes).  If the copy constructor and
00035  * assingment operators are left unimplemented then the class itself
00036  * cannot make any copies of its instances, because it would result in
00037  * link errors.
00038  *
00039  * To use this class simply use private inheritance:
00040  *
00041  * class Foo : private ACE_Copy_Disabled
00042  * {
00043  * // code here
00044  * };
00045  *
00046  */
00047 class ACE_Export ACE_Copy_Disabled
00048 {
00049 public:
00050   /// Default constructor
00051   ACE_Copy_Disabled (void);
00052 
00053 private:
00054   ACE_Copy_Disabled (const ACE_Copy_Disabled &);
00055   ACE_Copy_Disabled &operator= (const ACE_Copy_Disabled &);
00056 };
00057 
00058 #include "ace/post.h"
00059 
00060 #endif /* ACE_FUNCTOR_H */

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