ceph/src/boost/boost/asio/detail/base_from_completion_cond.hpp

   1 //
   2 // detail/base_from_completion_cond.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 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_DETAIL_BASE_FROM_COMPLETION_COND_HPP
  12 #define BOOST_ASIO_DETAIL_BASE_FROM_COMPLETION_COND_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/config.hpp>
  19 #include <boost/asio/completion_condition.hpp>
  20
  21 #include <boost/asio/detail/push_options.hpp>
  22
  23 namespace boost {
  24 namespace asio {
  25 namespace detail {
  26
  27 template <typename CompletionCondition>
  28 class base_from_completion_cond
  29 {
  30 protected:
  31   explicit base_from_completion_cond(CompletionCondition& completion_condition)
  32     : completion_condition_(
  33         BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition))
  34   {
  35   }
  36
  37   std::size_t check_for_completion(
  38       const boost::system::error_code& ec,
  39       std::size_t total_transferred)
  40   {
  41     return detail::adapt_completion_condition_result(
  42         completion_condition_(ec, total_transferred));
  43   }
  44
  45 private:
  46   CompletionCondition completion_condition_;
  47 };
  48
  49 template <>
  50 class base_from_completion_cond<transfer_all_t>
  51 {
  52 protected:
  53   explicit base_from_completion_cond(transfer_all_t)
  54   {
  55   }
  56
  57   static std::size_t check_for_completion(
  58       const boost::system::error_code& ec,
  59       std::size_t total_transferred)
  60   {
  61     return transfer_all_t()(ec, total_transferred);
  62   }
  63 };
  64
  65 } // namespace detail
  66 } // namespace asio
  67 } // namespace boost
  68
  69 #include <boost/asio/detail/pop_options.hpp>
  70
  71 #endif // BOOST_ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP