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+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2007-2011. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_SYNC_NAMED_CREATION_FUNCTOR_HPP
+#define BOOST_INTERPROCESS_SYNC_NAMED_CREATION_FUNCTOR_HPP
+
+#include <boost/interprocess/creation_tags.hpp>
+#include <boost/interprocess/detail/type_traits.hpp>
+#include <boost/interprocess/detail/mpl.hpp>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+struct named_creation_functor_no_arg{};
+
+template <class T, class Arg = named_creation_functor_no_arg>
+class named_creation_functor
+{
+ typedef named_creation_functor_no_arg no_arg_t;
+ public:
+ named_creation_functor(create_enum_t type, Arg arg = Arg())
+ : m_creation_type(type), m_arg(arg){}
+
+ template<class ArgType>
+ void construct(void *address, typename enable_if_c<is_same<ArgType, no_arg_t>::value>::type * = 0) const
+ { new(address)T; }
+
+ template<class ArgType>
+ void construct(void *address, typename enable_if_c<!is_same<ArgType, no_arg_t>::value>::type * = 0) const
+ { new(address)T(m_arg); }
+
+ bool operator()(void *address, std::size_t, bool created) const
+ {
+ switch(m_creation_type){
+ case DoOpen:
+ return true;
+ break;
+ case DoCreate:
+ case DoOpenOrCreate:
+ if(created){
+ construct<Arg>(address);
+ }
+ return true;
+ break;
+
+ default:
+ return false;
+ break;
+ }
+ }
+ private:
+ create_enum_t m_creation_type;
+ Arg m_arg;
+};
+
+} //namespace ipcdetail {
+} //namespace interprocess {
+} //namespace boost {
+
+#endif //BOOST_INTERPROCESS_SYNC_NAMED_CREATION_FUNCTOR_HPP