41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
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// Copyright (c) 2016 Klemens D. Morgenstern
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_
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#define BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_
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#include <boost/process/detail/windows/handler.hpp>
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#include <type_traits>
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namespace boost { namespace process { namespace detail { namespace windows {
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struct require_io_context {};
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struct async_handler : handler_base_ext, require_io_context
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{
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};
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template<typename T>
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struct is_async_handler : std::is_base_of<async_handler, T> {};
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template<typename T>
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struct is_async_handler<T&> : std::is_base_of<async_handler, T> {};
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template<typename T>
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struct is_async_handler<const T&> : std::is_base_of<async_handler, T> {};
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template<typename T>
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struct does_require_io_context : std::is_base_of<require_io_context, T> {};
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template<typename T>
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struct does_require_io_context<T&> : std::is_base_of<require_io_context, T> {};
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template<typename T>
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struct does_require_io_context<const T&> : std::is_base_of<require_io_context, T> {};
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}}}}
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#endif /* BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_ */
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