// | |
// detail/descriptor_ops.hpp | |
// ~~~~~~~~~~~~~~~~~~~~~~~~~ | |
// | |
// Copyright (c) 2003-2011 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 BOOST_ASIO_DETAIL_DESCRIPTOR_OPS_HPP | |
#define BOOST_ASIO_DETAIL_DESCRIPTOR_OPS_HPP | |
#if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
#include <boost/asio/detail/config.hpp> | |
#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) | |
#include <cstddef> | |
#include <boost/system/error_code.hpp> | |
#include <boost/asio/detail/socket_types.hpp> | |
#include <boost/asio/detail/push_options.hpp> | |
namespace boost { | |
namespace asio { | |
namespace detail { | |
namespace descriptor_ops { | |
// Descriptor state bits. | |
enum | |
{ | |
// The user wants a non-blocking descriptor. | |
user_set_non_blocking = 1, | |
// The descriptor has been set non-blocking. | |
internal_non_blocking = 2, | |
// Helper "state" used to determine whether the descriptor is non-blocking. | |
non_blocking = user_set_non_blocking | internal_non_blocking | |
}; | |
typedef unsigned char state_type; | |
template <typename ReturnType> | |
inline ReturnType error_wrapper(ReturnType return_value, | |
boost::system::error_code& ec) | |
{ | |
ec = boost::system::error_code(errno, | |
boost::asio::error::get_system_category()); | |
return return_value; | |
} | |
BOOST_ASIO_DECL int open(const char* path, int flags, | |
boost::system::error_code& ec); | |
BOOST_ASIO_DECL int close(int d, state_type& state, | |
boost::system::error_code& ec); | |
BOOST_ASIO_DECL bool set_internal_non_blocking(int d, | |
state_type& state, boost::system::error_code& ec); | |
typedef iovec buf; | |
BOOST_ASIO_DECL std::size_t sync_read(int d, state_type state, buf* bufs, | |
std::size_t count, bool all_empty, boost::system::error_code& ec); | |
BOOST_ASIO_DECL bool non_blocking_read(int d, buf* bufs, std::size_t count, | |
boost::system::error_code& ec, std::size_t& bytes_transferred); | |
BOOST_ASIO_DECL std::size_t sync_write(int d, state_type state, | |
const buf* bufs, std::size_t count, bool all_empty, | |
boost::system::error_code& ec); | |
BOOST_ASIO_DECL bool non_blocking_write(int d, | |
const buf* bufs, std::size_t count, | |
boost::system::error_code& ec, std::size_t& bytes_transferred); | |
BOOST_ASIO_DECL int ioctl(int d, state_type& state, long cmd, | |
ioctl_arg_type* arg, boost::system::error_code& ec); | |
BOOST_ASIO_DECL int fcntl(int d, long cmd, boost::system::error_code& ec); | |
BOOST_ASIO_DECL int fcntl(int d, long cmd, | |
long arg, boost::system::error_code& ec); | |
BOOST_ASIO_DECL int poll_read(int d, boost::system::error_code& ec); | |
BOOST_ASIO_DECL int poll_write(int d, boost::system::error_code& ec); | |
} // namespace descriptor_ops | |
} // namespace detail | |
} // namespace asio | |
} // namespace boost | |
#include <boost/asio/detail/pop_options.hpp> | |
#if defined(BOOST_ASIO_HEADER_ONLY) | |
# include <boost/asio/detail/impl/descriptor_ops.ipp> | |
#endif // defined(BOOST_ASIO_HEADER_ONLY) | |
#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) | |
#endif // BOOST_ASIO_DETAIL_DESCRIPTOR_OPS_HPP |