118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
|
/*
|
||
|
|
* 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_context;
|
||
|
|
#else
|
||
|
|
using ::boost::process::detail::windows::is_async_handler;
|
||
|
|
using ::boost::process::detail::windows::does_require_io_context;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<typename ...Args>
|
||
|
|
struct has_io_context;
|
||
|
|
|
||
|
|
template<typename T, typename ...Args>
|
||
|
|
struct has_io_context<T, Args...>
|
||
|
|
{
|
||
|
|
typedef typename has_io_context<Args...>::type next;
|
||
|
|
typedef typename std::is_same<
|
||
|
|
typename std::remove_reference<T>::type,
|
||
|
|
boost::asio::io_context>::type is_ios;
|
||
|
|
typedef typename std::conditional<is_ios::value,
|
||
|
|
std::true_type,
|
||
|
|
next>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
struct has_io_context<T>
|
||
|
|
{
|
||
|
|
typedef typename std::is_same<
|
||
|
|
typename std::remove_reference<T>::type,
|
||
|
|
boost::asio::io_context>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ...Args>
|
||
|
|
using has_io_context_t = typename has_io_context<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_context;
|
||
|
|
|
||
|
|
template<typename T, typename ...Args>
|
||
|
|
struct needs_io_context<T, Args...>
|
||
|
|
{
|
||
|
|
typedef typename needs_io_context<Args...>::type next;
|
||
|
|
typedef typename does_require_io_context<T>::type is_ios;
|
||
|
|
typedef typename std::conditional<is_ios::value,
|
||
|
|
std::true_type,
|
||
|
|
next>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
struct needs_io_context<T>
|
||
|
|
{
|
||
|
|
typedef typename does_require_io_context<T>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ...Args>
|
||
|
|
boost::asio::io_context &get_io_context_var(boost::asio::io_context & f, Args&...)
|
||
|
|
{
|
||
|
|
return f;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename First, typename ...Args>
|
||
|
|
boost::asio::io_context &get_io_context_var(First&, Args&...args)
|
||
|
|
{
|
||
|
|
return get_io_context_var(args...);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* BOOST_PROCESS_DETAIL_ASYNC_HANDLER_HPP_ */
|