epoll_reactor_fwd.hpp 1.2 KB
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//
// epoll_reactor_fwd.hpp
// ~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2010 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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 ASIO_DETAIL_EPOLL_REACTOR_FWD_HPP
#define ASIO_DETAIL_EPOLL_REACTOR_FWD_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include "asio/detail/push_options.hpp"

#if !defined(ASIO_DISABLE_EPOLL)
#if defined(__linux__) // This service is only supported on Linux.

#include "asio/detail/push_options.hpp"
#include <linux/version.h>
#include "asio/detail/pop_options.hpp"

#if LINUX_VERSION_CODE >= KERNEL_VERSION (2,5,45) // Only kernels >= 2.5.45.

// Define this to indicate that epoll is supported on the target platform.
#define ASIO_HAS_EPOLL 1

namespace asio {
namespace detail {

class epoll_reactor;

} // namespace detail
} // namespace asio

#endif // LINUX_VERSION_CODE >= KERNEL_VERSION (2,5,45)
#endif // defined(__linux__)
#endif // !defined(ASIO_DISABLE_EPOLL)

#include "asio/detail/pop_options.hpp"

#endif // ASIO_DETAIL_EPOLL_REACTOR_FWD_HPP