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Diffstat (limited to 'ACE/ace/Copy_Disabled.h')
-rw-r--r-- | ACE/ace/Copy_Disabled.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/ACE/ace/Copy_Disabled.h b/ACE/ace/Copy_Disabled.h new file mode 100644 index 00000000000..512b96c9dcf --- /dev/null +++ b/ACE/ace/Copy_Disabled.h @@ -0,0 +1,65 @@ +// -*- C++ -*- + +//=========================================================================== +/** + * @file Copy_Disabled.h + * + * $Id$ + * + * @author Carlos O'Ryan <coryan@uci.edu> + */ +//=========================================================================== + +#ifndef ACE_COPY_DISABLED_H +#define ACE_COPY_DISABLED_H + +#include /**/ "ace/pre.h" + +#include "ace/ACE_export.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +/** + * @class ACE_Copy_Disabled + * + * @brief Helper class to disable copy construction and assignment + * + * Classes used to control OS and other resources are not "canonical", + * i.e. they have their copy constructor and assignment operators + * disabled. + * This is often done by making the copy constructor and assignment + * operators private, effectively disallowing copying by clients of + * the class (including derived classes). If the copy constructor and + * assingment operators are left unimplemented then the class itself + * cannot make any copies of its instances, because it would result in + * link errors. + * + * To use this class simply use private inheritance: + * + * class Foo : private ACE_Copy_Disabled + * { + * // code here + * }; + * + */ +class ACE_Export ACE_Copy_Disabled +{ +public: + + /// Default constructor + ACE_Copy_Disabled (void); + +private: + ACE_Copy_Disabled (const ACE_Copy_Disabled &); + ACE_Copy_Disabled &operator= (const ACE_Copy_Disabled &); +}; + +ACE_END_VERSIONED_NAMESPACE_DECL + +#include /**/ "ace/post.h" + +#endif /* ACE_COPY_DISABLED_H */ |