EIC code displayed by LXR master/​include/​boost/​asio/​detail/​io_object_impl.hpp	Source navigation Diff markup Identifier search General search
	Version: master test Revert   Change

File indexing completed on 2025-01-18 09:28:39

 //
 // io_object_impl.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2003-2023 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)
 //
 
 #ifndef BOOST_ASIO_DETAIL_IO_OBJECT_IMPL_HPP
 #define BOOST_ASIO_DETAIL_IO_OBJECT_IMPL_HPP
 
 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
 # pragma once
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include <new>
 #include <boost/asio/detail/config.hpp>
 #include <boost/asio/detail/type_traits.hpp>
 #include <boost/asio/execution/executor.hpp>
 #include <boost/asio/execution/context.hpp>
 #include <boost/asio/io_context.hpp>
 #include <boost/asio/query.hpp>
 
 #include <boost/asio/detail/push_options.hpp>
 
 namespace boost {
 namespace asio {
 namespace detail {
 
 template <typename IoObjectService,
     typename Executor = io_context::executor_type>
 class io_object_impl
 {
 public:
   // The type of the service that will be used to provide I/O operations.
   typedef IoObjectService service_type;
 
   // The underlying implementation type of I/O object.
   typedef typename service_type::implementation_type implementation_type;
 
   // The type of the executor associated with the object.
   typedef Executor executor_type;
 
   // Construct an I/O object using an executor.
   explicit io_object_impl(int, const executor_type& ex)
     : service_(&boost::asio::use_service<IoObjectService>(
           io_object_impl::get_context(ex))),
       executor_(ex)
   {
     service_->construct(implementation_);
   }
 
   // Construct an I/O object using an execution context.
   template <typename ExecutionContext>
   explicit io_object_impl(int, int, ExecutionContext& context)
     : service_(&boost::asio::use_service<IoObjectService>(context)),
       executor_(context.get_executor())
   {
     service_->construct(implementation_);
   }
 
   // Move-construct an I/O object.
   io_object_impl(io_object_impl&& other)
     : service_(&other.get_service()),
       executor_(other.get_executor())
   {
     service_->move_construct(implementation_, other.implementation_);
   }
 
   // Perform converting move-construction of an I/O object on the same service.
   template <typename Executor1>
   io_object_impl(io_object_impl<IoObjectService, Executor1>&& other)
     : service_(&other.get_service()),
       executor_(other.get_executor())
   {
     service_->move_construct(implementation_, other.get_implementation());
   }
 
   // Perform converting move-construction of an I/O object on another service.
   template <typename IoObjectService1, typename Executor1>
   io_object_impl(io_object_impl<IoObjectService1, Executor1>&& other)
     : service_(&boost::asio::use_service<IoObjectService>(
             io_object_impl::get_context(other.get_executor()))),
       executor_(other.get_executor())
   {
     service_->converting_move_construct(implementation_,
         other.get_service(), other.get_implementation());
   }
 
   // Destructor.
   ~io_object_impl()
   {
     service_->destroy(implementation_);
   }
 
   // Move-assign an I/O object.
   io_object_impl& operator=(io_object_impl&& other)
   {
     if (this != &other)
     {
       service_->move_assign(implementation_,
           *other.service_, other.implementation_);
       executor_.~executor_type();
       new (&executor_) executor_type(other.executor_);
       service_ = other.service_;
     }
     return *this;
   }
 
   // Get the executor associated with the object.
   const executor_type& get_executor() noexcept
   {
     return executor_;
   }
 
   // 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_;
   }
 
   // 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_;
   }
 
 private:
   // Helper function to get an executor's context.
   template <typename T>
   static execution_context& get_context(const T& t,
       enable_if_t<execution::is_executor<T>::value>* = 0)
   {
     return boost::asio::query(t, execution::context);
   }
 
   // Helper function to get an executor's context.
   template <typename T>
   static execution_context& get_context(const T& t,
       enable_if_t<!execution::is_executor<T>::value>* = 0)
   {
     return t.context();
   }
 
   // Disallow copying and copy assignment.
   io_object_impl(const io_object_impl&);
   io_object_impl& operator=(const io_object_impl&);
 
   // The service associated with the I/O object.
   service_type* service_;
 
   // The underlying implementation of the I/O object.
   implementation_type implementation_;
 
   // The associated executor.
   executor_type executor_;
 };
 
 } // namespace detail
 } // namespace asio
 } // namespace boost
 
 #include <boost/asio/detail/pop_options.hpp>
 
 #endif // BOOST_ASIO_DETAIL_IO_OBJECT_IMPL_HPP

This page was automatically generated by the 2.3.7 LXR engine. The LXR team