You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
115 lines
3.3 KiB
115 lines
3.3 KiB
// |
|
// 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, |
|
|
|
// The descriptor may have been dup()-ed. |
|
possible_dup = 4 |
|
}; |
|
|
|
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_user_non_blocking(int d, |
|
state_type& state, bool value, boost::system::error_code& ec); |
|
|
|
BOOST_ASIO_DECL bool set_internal_non_blocking(int d, |
|
state_type& state, bool value, 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, |
|
state_type state, boost::system::error_code& ec); |
|
|
|
BOOST_ASIO_DECL int poll_write(int d, |
|
state_type state, 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
|
|
|