diff options
Diffstat (limited to 'ACE/ace/Auto_IncDec_T.h')
-rw-r--r-- | ACE/ace/Auto_IncDec_T.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/ACE/ace/Auto_IncDec_T.h b/ACE/ace/Auto_IncDec_T.h new file mode 100644 index 00000000000..0f29f5c4f3f --- /dev/null +++ b/ACE/ace/Auto_IncDec_T.h @@ -0,0 +1,91 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file Auto_IncDec_T.h + * + * $Id$ + * + * @author Edan Ayal <EdanA@cti2.com> + */ +//============================================================================= + + +#ifndef ACE_AUTO_INCDEC_T_H +#define ACE_AUTO_INCDEC_T_H + +#include /**/ "ace/pre.h" + +#include /**/ "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Global_Macros.h" + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +/** + * @class ACE_Auto_IncDec + * + * @brief This class automatically increments and decrements a + * parameterized counter. + * + * This data structure is meant to be used within a method, + * function, or scope. The actual parameter given for the + * <ACE_SAFELY_INCREMENTABLE_DECREMENTABLE> template parameter + * must provide at least operators ++ and --. + */ +template <class ACE_SAFELY_INCREMENTABLE_DECREMENTABLE> +class ACE_Auto_IncDec +{ +public: + + /// Implicitly increment the counter. + ACE_Auto_IncDec (ACE_SAFELY_INCREMENTABLE_DECREMENTABLE &counter); + + /// Implicitly decrement the counter. + ~ACE_Auto_IncDec (void); + + /// Dump the state of an object. + void dump (void) const; + +protected: + /// Reference to the <ACE_SAFELY_INCREMENTABLE_DECREMENTABLE> counter + /// we're incrementing/decrementing. + ACE_SAFELY_INCREMENTABLE_DECREMENTABLE &counter_; + +private: + // = Prevent assignment and initialization. + ACE_UNIMPLEMENTED_FUNC (void operator= (const + ACE_Auto_IncDec<ACE_SAFELY_INCREMENTABLE_DECREMENTABLE> &)) + ACE_UNIMPLEMENTED_FUNC (ACE_Auto_IncDec (const + ACE_Auto_IncDec<ACE_SAFELY_INCREMENTABLE_DECREMENTABLE> &)) +}; + +ACE_END_VERSIONED_NAMESPACE_DECL + +#if defined (__ACE_INLINE__) +#include "ace/Auto_IncDec_T.inl" +#endif /* __ACE_INLINE__ */ + +#if defined (ACE_TEMPLATES_REQUIRE_SOURCE) +#include "ace/Auto_IncDec_T.cpp" +// On Win32 platforms, this code will be included as template source +// code and will not be inlined. Therefore, we first turn off +// ACE_INLINE, set it to be nothing, include the code, and then turn +// ACE_INLINE back to its original setting. All this nonsense is +// necessary, since the generic template code that needs to be +// specialized cannot be inlined, else the compiler will ignore the +// specialization code. Also, the specialization code *must* be +// inlined or the compiler will ignore the specializations. +#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */ + +#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA) +#pragma implementation ("Auto_IncDec_T.cpp") +#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */ + +#include /**/ "ace/post.h" + +#endif /* ACE_AUTO_INCDEC_T_H */ |