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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/interprocess/sync/shm/named_creation_functor.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/interprocess/sync/shm/named_creation_functor.hpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/interprocess/sync/shm/named_creation_functor.hpp b/src/third_party/boost-1.60.0/boost/interprocess/sync/shm/named_creation_functor.hpp new file mode 100644 index 00000000000..b4cc7786cb5 --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/interprocess/sync/shm/named_creation_functor.hpp @@ -0,0 +1,81 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (C) Copyright Ion Gaztanaga 2007-2012. 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 + +#ifndef BOOST_CONFIG_HPP +# include <boost/config.hpp> +#endif +# +#if defined(BOOST_HAS_PRAGMA_ONCE) +# pragma once +#endif + +#include <boost/interprocess/creation_tags.hpp> +#include <boost/interprocess/detail/type_traits.hpp> +#include <boost/interprocess/detail/mpl.hpp> +#include <boost/container/detail/placement_new.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, boost_container_new_t())T; } + + template<class ArgType> + void construct(void *address, typename enable_if_c<!is_same<ArgType, no_arg_t>::value>::type * = 0) const + { ::new(address, boost_container_new_t())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; + } + } + + std::size_t get_min_size() const + { return sizeof(T); } + + private: + create_enum_t m_creation_type; + Arg m_arg; +}; + +} //namespace ipcdetail { +} //namespace interprocess { +} //namespace boost { + +#endif //BOOST_INTERPROCESS_SYNC_NAMED_CREATION_FUNCTOR_HPP |