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author | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
commit | 1a78a62555be32868418fe52f8e330c9d0f95d5a (patch) | |
tree | d3765a80e7d3b9640ec2e930743630cd6b9fce2b /boost/interprocess/sync/shm/named_creation_functor.hpp | |
download | boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.gz boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.bz2 boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.zip |
Imported Upstream version 1.49.0upstream/1.49.0
Diffstat (limited to 'boost/interprocess/sync/shm/named_creation_functor.hpp')
-rw-r--r-- | boost/interprocess/sync/shm/named_creation_functor.hpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/boost/interprocess/sync/shm/named_creation_functor.hpp b/boost/interprocess/sync/shm/named_creation_functor.hpp new file mode 100644 index 0000000000..11a1db1d6f --- /dev/null +++ b/boost/interprocess/sync/shm/named_creation_functor.hpp @@ -0,0 +1,68 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (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 |