diff options
author | Remko Tronçon <git@el-tramo.be> | 2012-12-23 13:16:26 (GMT) |
---|---|---|
committer | Remko Tronçon <git@el-tramo.be> | 2012-12-23 14:43:26 (GMT) |
commit | 491ddd570a752cf9bda85933bed0c6942e39b1f9 (patch) | |
tree | 10c25c1be8cc08d0497df1dccd56a10fbb30beee /3rdParty/Boost/src/boost/asio/basic_io_object.hpp | |
parent | da7d7a0ca71b80281aa9ff2526290b61ccb0cc60 (diff) | |
download | swift-491ddd570a752cf9bda85933bed0c6942e39b1f9.zip swift-491ddd570a752cf9bda85933bed0c6942e39b1f9.tar.bz2 |
Update Boost to 1.52.0.
Change-Id: I1e56bea2600bf2ed9c5b3aba8c4f9d2a0f350e77
Diffstat (limited to '3rdParty/Boost/src/boost/asio/basic_io_object.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/basic_io_object.hpp | 184 |
1 files changed, 163 insertions, 21 deletions
diff --git a/3rdParty/Boost/src/boost/asio/basic_io_object.hpp b/3rdParty/Boost/src/boost/asio/basic_io_object.hpp index 8e137e7..0464335 100644 --- a/3rdParty/Boost/src/boost/asio/basic_io_object.hpp +++ b/3rdParty/Boost/src/boost/asio/basic_io_object.hpp @@ -2,7 +2,7 @@ // basic_io_object.hpp // ~~~~~~~~~~~~~~~~~~~ // -// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // 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) @@ -16,7 +16,6 @@ #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> -#include <boost/asio/detail/noncopyable.hpp> #include <boost/asio/io_service.hpp> #include <boost/asio/detail/push_options.hpp> @@ -24,10 +23,42 @@ namespace boost { namespace asio { +#if defined(BOOST_ASIO_HAS_MOVE) +namespace detail +{ + // Type trait used to determine whether a service supports move. + template <typename IoObjectService> + class service_has_move + { + private: + typedef IoObjectService service_type; + typedef typename service_type::implementation_type implementation_type; + + template <typename T, typename U> + static auto eval(T* t, U* u) -> decltype(t->move_construct(*u, *u), char()); + static char (&eval(...))[2]; + + public: + static const bool value = + sizeof(service_has_move::eval( + static_cast<service_type*>(0), + static_cast<implementation_type*>(0))) == 1; + }; +} +#endif // defined(BOOST_ASIO_HAS_MOVE) + /// Base class for all I/O objects. +/** + * @note All I/O objects are non-copyable. However, when using C++0x, certain + * I/O objects do support move construction and move assignment. + */ +#if !defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) template <typename IoObjectService> +#else +template <typename IoObjectService, + bool Movable = detail::service_has_move<IoObjectService>::value> +#endif class basic_io_object - : private noncopyable { public: /// The type of the service that will be used to provide I/O operations. @@ -36,20 +67,6 @@ public: /// The underlying implementation type of I/O object. typedef typename service_type::implementation_type implementation_type; - /// (Deprecated: use get_io_service().) Get the io_service associated with - /// the object. - /** - * This function may be used to obtain the io_service object that the I/O - * object uses to dispatch handlers for asynchronous operations. - * - * @return A reference to the io_service object that the I/O object will use - * to dispatch handlers. Ownership is not transferred to the caller. - */ - boost::asio::io_service& io_service() - { - return service.get_io_service(); - } - /// Get the io_service associated with the object. /** * This function may be used to obtain the io_service object that the I/O @@ -67,7 +84,7 @@ protected: /// Construct a basic_io_object. /** * Performs: - * @code service.construct(implementation); @endcode + * @code get_service().construct(get_implementation()); @endcode */ explicit basic_io_object(boost::asio::io_service& io_service) : service(boost::asio::use_service<IoObjectService>(io_service)) @@ -75,22 +92,147 @@ protected: service.construct(implementation); } +#if defined(GENERATING_DOCUMENTATION) + /// Move-construct a basic_io_object. + /** + * Performs: + * @code get_service().move_construct( + * get_implementation(), other.get_implementation()); @endcode + * + * @note Available only for services that support movability, + */ + basic_io_object(basic_io_object&& other); + + /// Move-assign a basic_io_object. + /** + * Performs: + * @code get_service().move_assign(get_implementation(), + * other.get_service(), other.get_implementation()); @endcode + * + * @note Available only for services that support movability, + */ + basic_io_object& operator=(basic_io_object&& other); +#endif // defined(GENERATING_DOCUMENTATION) + /// Protected destructor to prevent deletion through this type. /** * Performs: - * @code service.destroy(implementation); @endcode + * @code get_service().destroy(get_implementation()); @endcode */ ~basic_io_object() { service.destroy(implementation); } - /// The service associated with the I/O object. + /// Get the service associated with the I/O object. + service_type& get_service() + { + return service; + } + + /// Get the service associated with the I/O object. + const service_type& get_service() const + { + return service; + } + + /// (Deprecated: Use get_service().) The service associated with the I/O + /// object. + /** + * @note Available only for services that do not support movability. + */ service_type& service; - /// The underlying implementation of the I/O object. + /// Get the underlying implementation of the I/O object. + implementation_type& get_implementation() + { + return implementation; + } + + /// Get the underlying implementation of the I/O object. + const implementation_type& get_implementation() const + { + return implementation; + } + + /// (Deprecated: Use get_implementation().) The underlying implementation of + /// the I/O object. implementation_type implementation; + +private: + basic_io_object(const basic_io_object&); + basic_io_object& operator=(const basic_io_object&); +}; + +#if defined(BOOST_ASIO_HAS_MOVE) +// Specialisation for movable objects. +template <typename IoObjectService> +class basic_io_object<IoObjectService, true> +{ +public: + typedef IoObjectService service_type; + typedef typename service_type::implementation_type implementation_type; + + boost::asio::io_service& get_io_service() + { + return service_->get_io_service(); + } + +protected: + explicit basic_io_object(boost::asio::io_service& io_service) + : service_(&boost::asio::use_service<IoObjectService>(io_service)) + { + service_->construct(implementation); + } + + basic_io_object(basic_io_object&& other) + : service_(&other.get_service()) + { + service_->move_construct(implementation, other.implementation); + } + + ~basic_io_object() + { + service_->destroy(implementation); + } + + basic_io_object& operator=(basic_io_object&& other) + { + service_->move_assign(implementation, + *other.service_, other.implementation); + service_ = other.service_; + return *this; + } + + service_type& get_service() + { + return *service_; + } + + const service_type& get_service() const + { + return *service_; + } + + implementation_type& get_implementation() + { + return implementation; + } + + const implementation_type& get_implementation() const + { + return implementation; + } + + implementation_type implementation; + +private: + basic_io_object(const basic_io_object&); + void operator=(const basic_io_object&); + + IoObjectService* service_; }; +#endif // defined(BOOST_ASIO_HAS_MOVE) } // namespace asio } // namespace boost |