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