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Diffstat (limited to 'boost/process/detail/async_handler.hpp')
-rw-r--r-- | boost/process/detail/async_handler.hpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/boost/process/detail/async_handler.hpp b/boost/process/detail/async_handler.hpp new file mode 100644 index 0000000000..832a42014e --- /dev/null +++ b/boost/process/detail/async_handler.hpp @@ -0,0 +1,117 @@ +/* + * async_handler.hpp + * + * Created on: 12.06.2016 + * Author: Klemens + */ + +#ifndef BOOST_PROCESS_DETAIL_ASYNC_HANDLER_HPP_ +#define BOOST_PROCESS_DETAIL_ASYNC_HANDLER_HPP_ + +#include <type_traits> + +#if defined(BOOST_POSIX_API) +#include <boost/process/posix.hpp> +#include <boost/process/detail/posix/async_handler.hpp> +#include <boost/process/detail/posix/asio_fwd.hpp> +#else +#include <boost/process/detail/windows/async_handler.hpp> +#include <boost/process/detail/windows/asio_fwd.hpp> +#endif + +namespace boost { + +namespace process { + +namespace detail { + +#if defined(BOOST_POSIX_API) +using ::boost::process::detail::posix::is_async_handler; +using ::boost::process::detail::posix::does_require_io_service; +#else +using ::boost::process::detail::windows::is_async_handler; +using ::boost::process::detail::windows::does_require_io_service; +#endif + +template<typename ...Args> +struct has_io_service; + +template<typename T, typename ...Args> +struct has_io_service<T, Args...> +{ + typedef typename has_io_service<Args...>::type next; + typedef typename std::is_same< + typename std::remove_reference<T>::type, + boost::asio::io_service>::type is_ios; + typedef typename std::conditional<is_ios::value, + std::true_type, + next>::type type; +}; + +template<typename T> +struct has_io_service<T> +{ + typedef typename std::is_same< + typename std::remove_reference<T>::type, + boost::asio::io_service>::type type; +}; + +template<typename ...Args> +using has_io_service_t = typename has_io_service<Args...>::type; + +template<typename ...Args> +struct has_async_handler; + +template<typename T, typename ...Args> +struct has_async_handler<T, Args...> +{ + typedef typename has_async_handler<Args...>::type next; + typedef typename is_async_handler<T>::type is_ios; + typedef typename std::conditional<is_ios::value, + std::true_type, + next>::type type; +}; + +template<typename T> +struct has_async_handler<T> +{ + typedef typename is_async_handler<T>::type type; +}; + +template<typename ...Args> +struct needs_io_service; + +template<typename T, typename ...Args> +struct needs_io_service<T, Args...> +{ + typedef typename needs_io_service<Args...>::type next; + typedef typename does_require_io_service<T>::type is_ios; + typedef typename std::conditional<is_ios::value, + std::true_type, + next>::type type; +}; + +template<typename T> +struct needs_io_service<T> +{ + typedef typename does_require_io_service<T>::type type; +}; + +template<typename ...Args> +boost::asio::io_service &get_io_service_var(boost::asio::io_service & f, Args&...) +{ + return f; +} + +template<typename First, typename ...Args> +boost::asio::io_service &get_io_service_var(First&, Args&...args) +{ + return get_io_service_var(args...); +} + +} +} +} + + +#endif /* BOOST_PROCESS_DETAIL_ASYNC_HANDLER_HPP_ */ |