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1 //
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2 // detail/win_event.ipp
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3 // ~~~~~~~~~~~~~~~~~~~~
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4 //
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5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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6 //
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7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
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8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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9 //
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10
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11 #ifndef BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP
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12 #define BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP
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13
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14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
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15 # pragma once
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16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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17
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18 #include <boost/asio/detail/config.hpp>
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19
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20 #if defined(BOOST_ASIO_WINDOWS)
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21
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22 #include <boost/asio/detail/throw_error.hpp>
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23 #include <boost/asio/detail/win_event.hpp>
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24 #include <boost/asio/error.hpp>
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25
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26 #include <boost/asio/detail/push_options.hpp>
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27
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28 namespace boost {
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29 namespace asio {
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30 namespace detail {
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31
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32 win_event::win_event()
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33 : state_(0)
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34 {
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35 events_[0] = ::CreateEvent(0, true, false, 0);
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36 if (!events_[0])
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37 {
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38 DWORD last_error = ::GetLastError();
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39 boost::system::error_code ec(last_error,
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40 boost::asio::error::get_system_category());
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41 boost::asio::detail::throw_error(ec, "event");
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42 }
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43
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44 events_[1] = ::CreateEvent(0, false, false, 0);
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45 if (!events_[1])
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46 {
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47 DWORD last_error = ::GetLastError();
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48 ::CloseHandle(events_[0]);
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49 boost::system::error_code ec(last_error,
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50 boost::asio::error::get_system_category());
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51 boost::asio::detail::throw_error(ec, "event");
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52 }
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53 }
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54
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55 win_event::~win_event()
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56 {
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57 ::CloseHandle(events_[0]);
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58 ::CloseHandle(events_[1]);
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59 }
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60
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61 } // namespace detail
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62 } // namespace asio
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63 } // namespace boost
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64
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65 #include <boost/asio/detail/pop_options.hpp>
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66
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67 #endif // defined(BOOST_ASIO_WINDOWS)
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68
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69 #endif // BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP
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