1 // Copyright (c) 2016 Klemens D. Morgenstern
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3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
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4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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7 #ifndef BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_
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8 #define BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_
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10 #include <boost/process/detail/windows/handler.hpp>
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11 #include <type_traits>
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13 namespace boost { namespace process { namespace detail { namespace windows {
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15 struct require_io_service {};
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17 struct async_handler : handler_base_ext, require_io_service
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21 template<typename T>
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22 struct is_async_handler : std::is_base_of<async_handler, T> {};
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23 template<typename T>
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24 struct is_async_handler<T&> : std::is_base_of<async_handler, T> {};
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25 template<typename T>
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26 struct is_async_handler<const T&> : std::is_base_of<async_handler, T> {};
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28 template<typename T>
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29 struct does_require_io_service : std::is_base_of<require_io_service, T> {};
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31 template<typename T>
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32 struct does_require_io_service<T&> : std::is_base_of<require_io_service, T> {};
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34 template<typename T>
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35 struct does_require_io_service<const T&> : std::is_base_of<require_io_service, T> {};
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40 #endif /* BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_ */
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