ceph/src/boost/boost/asio/detail/impl/win_event.ipp

   1 //
   2 // detail/win_event.ipp
   3 // ~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 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_IMPL_WIN_EVENT_IPP
  12 #define BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP
  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
  20 #if defined(BOOST_ASIO_WINDOWS)
  21
  22 #include <boost/asio/detail/throw_error.hpp>
  23 #include <boost/asio/detail/win_event.hpp>
  24 #include <boost/asio/error.hpp>
  25
  26 #include <boost/asio/detail/push_options.hpp>
  27
  28 namespace boost {
  29 namespace asio {
  30 namespace detail {
  31
  32 win_event::win_event()
  33   : state_(0)
  34 {
  35 #if defined(BOOST_ASIO_WINDOWS_APP)
  36   events_[0] = ::CreateEventExW(0, 0,
  37       CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS);
  38 #else // defined(BOOST_ASIO_WINDOWS_APP)
  39   events_[0] = ::CreateEventW(0, true, false, 0);
  40 #endif // defined(BOOST_ASIO_WINDOWS_APP)
  41   if (!events_[0])
  42   {
  43     DWORD last_error = ::GetLastError();
  44     boost::system::error_code ec(last_error,
  45         boost::asio::error::get_system_category());
  46     boost::asio::detail::throw_error(ec, "event");
  47   }
  48
  49 #if defined(BOOST_ASIO_WINDOWS_APP)
  50   events_[1] = ::CreateEventExW(0, 0, 0, EVENT_ALL_ACCESS);
  51 #else // defined(BOOST_ASIO_WINDOWS_APP)
  52   events_[1] = ::CreateEventW(0, false, false, 0);
  53 #endif // defined(BOOST_ASIO_WINDOWS_APP)
  54   if (!events_[1])
  55   {
  56     DWORD last_error = ::GetLastError();
  57     ::CloseHandle(events_[0]);
  58     boost::system::error_code ec(last_error,
  59         boost::asio::error::get_system_category());
  60     boost::asio::detail::throw_error(ec, "event");
  61   }
  62 }
  63
  64 win_event::~win_event()
  65 {
  66   ::CloseHandle(events_[0]);
  67   ::CloseHandle(events_[1]);
  68 }
  69
  70 } // namespace detail
  71 } // namespace asio
  72 } // namespace boost
  73
  74 #include <boost/asio/detail/pop_options.hpp>
  75
  76 #endif // defined(BOOST_ASIO_WINDOWS)
  77
  78 #endif // BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP