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1// Copyright (c) 2016 Klemens D. Morgenstern
2//
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6
7#ifndef BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_
8#define BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_
9
10#include <boost/process/detail/windows/handler.hpp>
11#include <type_traits>
12
13namespace boost { namespace process { namespace detail { namespace windows {
14
15struct require_io_context {};
16
17struct async_handler : handler_base_ext, require_io_context
18{
19};
20
21template<typename T>
22struct is_async_handler : std::is_base_of<async_handler, T> {};
23template<typename T>
24struct is_async_handler<T&> : std::is_base_of<async_handler, T> {};
25template<typename T>
26struct is_async_handler<const T&> : std::is_base_of<async_handler, T> {};
27
28template<typename T>
29struct does_require_io_context : std::is_base_of<require_io_context, T> {};
30
31template<typename T>
32struct does_require_io_context<T&> : std::is_base_of<require_io_context, T> {};
33
34template<typename T>
35struct does_require_io_context<const T&> : std::is_base_of<require_io_context, T> {};
36
37
38}}}}
39
40#endif /* BOOST_PROCESS_WINDOWS_ASYNC_HANDLER_HPP_ */