ceph/src/boost/libs/asio/include/boost/asio/impl/io_service.hpp

   1 //
   2 // impl/io_service.hpp
   3 // ~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_IMPL_IO_SERVICE_HPP
  12 #define BOOST_ASIO_IMPL_IO_SERVICE_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/handler_type_requirements.hpp>
  19 #include <boost/asio/detail/service_registry.hpp>
  20
  21 #include <boost/asio/detail/push_options.hpp>
  22
  23 namespace boost {
  24 namespace asio {
  25
  26 template <typename Service>
  27 inline Service& use_service(io_service& ios)
  28 {
  29   // Check that Service meets the necessary type requirements.
  30   (void)static_cast<io_service::service*>(static_cast<Service*>(0));
  31   (void)static_cast<const io_service::id*>(&Service::id);
  32
  33   return ios.service_registry_->template use_service<Service>();
  34 }
  35
  36 template <>
  37 inline detail::io_service_impl& use_service<detail::io_service_impl>(
  38     io_service& ios)
  39 {
  40   return ios.impl_;
  41 }
  42
  43 template <typename Service>
  44 inline void add_service(io_service& ios, Service* svc)
  45 {
  46   // Check that Service meets the necessary type requirements.
  47   (void)static_cast<io_service::service*>(static_cast<Service*>(0));
  48   (void)static_cast<const io_service::id*>(&Service::id);
  49
  50   ios.service_registry_->template add_service<Service>(svc);
  51 }
  52
  53 template <typename Service>
  54 inline bool has_service(io_service& ios)
  55 {
  56   // Check that Service meets the necessary type requirements.
  57   (void)static_cast<io_service::service*>(static_cast<Service*>(0));
  58   (void)static_cast<const io_service::id*>(&Service::id);
  59
  60   return ios.service_registry_->template has_service<Service>();
  61 }
  62
  63 } // namespace asio
  64 } // namespace boost
  65
  66 #include <boost/asio/detail/pop_options.hpp>
  67
  68 #if defined(BOOST_ASIO_HAS_IOCP)
  69 # include <boost/asio/detail/win_iocp_io_service.hpp>
  70 #else
  71 # include <boost/asio/detail/task_io_service.hpp>
  72 #endif
  73
  74 #include <boost/asio/detail/push_options.hpp>
  75
  76 namespace boost {
  77 namespace asio {
  78
  79 template <typename CompletionHandler>
  80 inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
  81 io_service::dispatch(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler)
  82 {
  83   // If you get an error on the following line it means that your handler does
  84   // not meet the documented type requirements for a CompletionHandler.
  85   BOOST_ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
  86
  87   detail::async_result_init<
  88     CompletionHandler, void ()> init(
  89       BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler));
  90
  91   impl_.dispatch(init.handler);
  92
  93   return init.result.get();
  94 }
  95
  96 template <typename CompletionHandler>
  97 inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
  98 io_service::post(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler)
  99 {
 100   // If you get an error on the following line it means that your handler does
 101   // not meet the documented type requirements for a CompletionHandler.
 102   BOOST_ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
 103
 104   detail::async_result_init<
 105     CompletionHandler, void ()> init(
 106       BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler));
 107
 108   impl_.post(init.handler);
 109
 110   return init.result.get();
 111 }
 112
 113 template <typename Handler>
 114 #if defined(GENERATING_DOCUMENTATION)
 115 unspecified
 116 #else
 117 inline detail::wrapped_handler<io_service&, Handler>
 118 #endif
 119 io_service::wrap(Handler handler)
 120 {
 121   return detail::wrapped_handler<io_service&, Handler>(*this, handler);
 122 }
 123
 124 inline io_service::work::work(boost::asio::io_service& io_service)
 125   : io_service_impl_(io_service.impl_)
 126 {
 127   io_service_impl_.work_started();
 128 }
 129
 130 inline io_service::work::work(const work& other)
 131   : io_service_impl_(other.io_service_impl_)
 132 {
 133   io_service_impl_.work_started();
 134 }
 135
 136 inline io_service::work::~work()
 137 {
 138   io_service_impl_.work_finished();
 139 }
 140
 141 inline boost::asio::io_service& io_service::work::get_io_service()
 142 {
 143   return io_service_impl_.get_io_service();
 144 }
 145
 146 inline boost::asio::io_service& io_service::service::get_io_service()
 147 {
 148   return owner_;
 149 }
 150
 151 } // namespace asio
 152 } // namespace boost
 153
 154 #include <boost/asio/detail/pop_options.hpp>
 155
 156 #endif // BOOST_ASIO_IMPL_IO_SERVICE_HPP