2 files changed, 0 insertions, 1788 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/asio/detail/reactive_socket_service.hpp b/3rdParty/Boost/boost/asio/detail/reactive_socket_service.hpp
deleted file mode 100644
index 54b8cbd..0000000
--- a/3rdParty/Boost/boost/asio/detail/reactive_socket_service.hpp
+++ /dev/null
@@ -1,1788 +0,0 @@
-//
-// reactive_socket_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2008 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_REACTIVE_SOCKET_SERVICE_HPP
-#define BOOST_ASIO_DETAIL_REACTIVE_SOCKET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include <boost/asio/detail/push_options.hpp>
-
-#include <boost/asio/detail/push_options.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/asio/detail/pop_options.hpp>
-
-#include <boost/asio/buffer.hpp>
-#include <boost/asio/error.hpp>
-#include <boost/asio/io_service.hpp>
-#include <boost/asio/socket_base.hpp>
-#include <boost/asio/detail/bind_handler.hpp>
-#include <boost/asio/detail/handler_base_from_member.hpp>
-#include <boost/asio/detail/noncopyable.hpp>
-#include <boost/asio/detail/service_base.hpp>
-#include <boost/asio/detail/socket_holder.hpp>
-#include <boost/asio/detail/socket_ops.hpp>
-#include <boost/asio/detail/socket_types.hpp>
-
-namespace boost {
-namespace asio {
-namespace detail {
-
-template <typename Protocol, typename Reactor>
-class reactive_socket_service
-  : public boost::asio::detail::service_base<
-      reactive_socket_service<Protocol, Reactor> >
-{
-public:
-  // The protocol type.
-  typedef Protocol protocol_type;
-
-  // The endpoint type.
-  typedef typename Protocol::endpoint endpoint_type;
-
-  // The native type of a socket.
-  typedef socket_type native_type;
-
-  // The implementation type of the socket.
-  class implementation_type
-    : private boost::asio::detail::noncopyable
-  {
-  public:
-    // Default constructor.
-    implementation_type()
-      : socket_(invalid_socket),
-        flags_(0),
-        protocol_(endpoint_type().protocol())
-    {
-    }
-
-  private:
-    // Only this service will have access to the internal values.
-    friend class reactive_socket_service<Protocol, Reactor>;
-
-    // The native socket representation.
-    socket_type socket_;
-
-    enum
-    {
-      // The user wants a non-blocking socket.
-      user_set_non_blocking = 1,
-
-      // The implementation wants a non-blocking socket (in order to be able to
-      // perform asynchronous read and write operations).
-      internal_non_blocking = 2,
-
-      // Helper "flag" used to determine whether the socket is non-blocking.
-      non_blocking = user_set_non_blocking | internal_non_blocking,
-
-      // User wants connection_aborted errors, which are disabled by default.
-      enable_connection_aborted = 4,
-
-      // The user set the linger option. Needs to be checked when closing. 
-      user_set_linger = 8
-    };
-
-    // Flags indicating the current state of the socket.
-    unsigned char flags_;
-
-    // The protocol associated with the socket.
-    protocol_type protocol_;
-
-    // Per-descriptor data used by the reactor.
-    typename Reactor::per_descriptor_data reactor_data_;
-  };
-
-  // The maximum number of buffers to support in a single operation.
-  enum { max_buffers = 64 < max_iov_len ? 64 : max_iov_len };
-
-  // Constructor.
-  reactive_socket_service(boost::asio::io_service& io_service)
-    : boost::asio::detail::service_base<
-        reactive_socket_service<Protocol, Reactor> >(io_service),
-      reactor_(boost::asio::use_service<Reactor>(io_service))
-  {
-    reactor_.init_task();
-  }
-
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
-  {
-  }
-
-  // Construct a new socket implementation.
-  void construct(implementation_type& impl)
-  {
-    impl.socket_ = invalid_socket;
-    impl.flags_ = 0;
-  }
-
-  // Destroy a socket implementation.
-  void destroy(implementation_type& impl)
-  {
-    if (impl.socket_ != invalid_socket)
-    {
-      reactor_.close_descriptor(impl.socket_, impl.reactor_data_);
-
-      if (impl.flags_ & implementation_type::non_blocking)
-      {
-        ioctl_arg_type non_blocking = 0;
-        boost::system::error_code ignored_ec;
-        socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ignored_ec);
-        impl.flags_ &= ~implementation_type::non_blocking;
-      }
-
-      if (impl.flags_ & implementation_type::user_set_linger)
-      {
-        ::linger opt;
-        opt.l_onoff = 0;
-        opt.l_linger = 0;
-        boost::system::error_code ignored_ec;
-        socket_ops::setsockopt(impl.socket_,
-            SOL_SOCKET, SO_LINGER, &opt, sizeof(opt), ignored_ec);
-      }
-
-      boost::system::error_code ignored_ec;
-      socket_ops::close(impl.socket_, ignored_ec);
-
-      impl.socket_ = invalid_socket;
-    }
-  }
-
-  // Open a new socket implementation.
-  boost::system::error_code open(implementation_type& impl,
-      const protocol_type& protocol, boost::system::error_code& ec)
-  {
-    if (is_open(impl))
-    {
-      ec = boost::asio::error::already_open;
-      return ec;
-    }
-
-    socket_holder sock(socket_ops::socket(protocol.family(),
-          protocol.type(), protocol.protocol(), ec));
-    if (sock.get() == invalid_socket)
-      return ec;
-
-    if (int err = reactor_.register_descriptor(sock.get(), impl.reactor_data_))
-    {
-      ec = boost::system::error_code(err,
-          boost::asio::error::get_system_category());
-      return ec;
-    }
-
-    impl.socket_ = sock.release();
-    impl.flags_ = 0;
-    impl.protocol_ = protocol;
-    ec = boost::system::error_code();
-    return ec;
-  }
-
-  // Assign a native socket to a socket implementation.
-  boost::system::error_code assign(implementation_type& impl,
-      const protocol_type& protocol, const native_type& native_socket,
-      boost::system::error_code& ec)
-  {
-    if (is_open(impl))
-    {
-      ec = boost::asio::error::already_open;
-      return ec;
-    }
-
-    if (int err = reactor_.register_descriptor(
-          native_socket, impl.reactor_data_))
-    {
-      ec = boost::system::error_code(err,
-          boost::asio::error::get_system_category());
-      return ec;
-    }
-
-    impl.socket_ = native_socket;
-    impl.flags_ = 0;
-    impl.protocol_ = protocol;
-    ec = boost::system::error_code();
-    return ec;
-  }
-
-  // Determine whether the socket is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return impl.socket_ != invalid_socket;
-  }
-
-  // Destroy a socket implementation.
-  boost::system::error_code close(implementation_type& impl,
-      boost::system::error_code& ec)
-  {
-    if (is_open(impl))
-    {
-      reactor_.close_descriptor(impl.socket_, impl.reactor_data_);
-
-      if (impl.flags_ & implementation_type::non_blocking)
-      {
-        ioctl_arg_type non_blocking = 0;
-        boost::system::error_code ignored_ec;
-        socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ignored_ec);
-        impl.flags_ &= ~implementation_type::non_blocking;
-      }
-
-      if (socket_ops::close(impl.socket_, ec) == socket_error_retval)
-        return ec;
-
-      impl.socket_ = invalid_socket;
-    }
-
-    ec = boost::system::error_code();
-    return ec;
-  }
-
-  // Get the native socket representation.
-  native_type native(implementation_type& impl)
-  {
-    return impl.socket_;
-  }
-
-  // Cancel all operations associated with the socket.
-  boost::system::error_code cancel(implementation_type& impl,
-      boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    reactor_.cancel_ops(impl.socket_, impl.reactor_data_);
-    ec = boost::system::error_code();
-    return ec;
-  }
-
-  // Determine whether the socket is at the out-of-band data mark.
-  bool at_mark(const implementation_type& impl,
-      boost::system::error_code& ec) const
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return false;
-    }
-
-    boost::asio::detail::ioctl_arg_type value = 0;
-    socket_ops::ioctl(impl.socket_, SIOCATMARK, &value, ec);
-#if defined(ENOTTY)
-    if (ec.value() == ENOTTY)
-      ec = boost::asio::error::not_socket;
-#endif // defined(ENOTTY)
-    return ec ? false : value != 0;
-  }
-
-  // Determine the number of bytes available for reading.
-  std::size_t available(const implementation_type& impl,
-      boost::system::error_code& ec) const
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    boost::asio::detail::ioctl_arg_type value = 0;
-    socket_ops::ioctl(impl.socket_, FIONREAD, &value, ec);
-#if defined(ENOTTY)
-    if (ec.value() == ENOTTY)
-      ec = boost::asio::error::not_socket;
-#endif // defined(ENOTTY)
-    return ec ? static_cast<std::size_t>(0) : static_cast<std::size_t>(value);
-  }
-
-  // Bind the socket to the specified local endpoint.
-  boost::system::error_code bind(implementation_type& impl,
-      const endpoint_type& endpoint, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    socket_ops::bind(impl.socket_, endpoint.data(), endpoint.size(), ec);
-    return ec;
-  }
-
-  // Place the socket into the state where it will listen for new connections.
-  boost::system::error_code listen(implementation_type& impl, int backlog,
-      boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    socket_ops::listen(impl.socket_, backlog, ec);
-    return ec;
-  }
-
-  // Set a socket option.
-  template <typename Option>
-  boost::system::error_code set_option(implementation_type& impl,
-      const Option& option, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    if (option.level(impl.protocol_) == custom_socket_option_level
-        && option.name(impl.protocol_) == enable_connection_aborted_option)
-    {
-      if (option.size(impl.protocol_) != sizeof(int))
-      {
-        ec = boost::asio::error::invalid_argument;
-      }
-      else
-      {
-        if (*reinterpret_cast<const int*>(option.data(impl.protocol_)))
-          impl.flags_ |= implementation_type::enable_connection_aborted;
-        else
-          impl.flags_ &= ~implementation_type::enable_connection_aborted;
-        ec = boost::system::error_code();
-      }
-      return ec;
-    }
-    else
-    {
-      if (option.level(impl.protocol_) == SOL_SOCKET
-          && option.name(impl.protocol_) == SO_LINGER)
-      {
-        impl.flags_ |= implementation_type::user_set_linger;
-      }
-
-      socket_ops::setsockopt(impl.socket_,
-          option.level(impl.protocol_), option.name(impl.protocol_),
-          option.data(impl.protocol_), option.size(impl.protocol_), ec);
-
-#if defined(__MACH__) && defined(__APPLE__) \
-|| defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
-      // To implement portable behaviour for SO_REUSEADDR with UDP sockets we
-      // need to also set SO_REUSEPORT on BSD-based platforms.
-      if (!ec && impl.protocol_.type() == SOCK_DGRAM
-          && option.level(impl.protocol_) == SOL_SOCKET
-          && option.name(impl.protocol_) == SO_REUSEADDR)
-      {
-        boost::system::error_code ignored_ec;
-        socket_ops::setsockopt(impl.socket_, SOL_SOCKET, SO_REUSEPORT,
-            option.data(impl.protocol_), option.size(impl.protocol_),
-            ignored_ec);
-      }
-#endif
-
-      return ec;
-    }
-  }
-
-  // Set a socket option.
-  template <typename Option>
-  boost::system::error_code get_option(const implementation_type& impl,
-      Option& option, boost::system::error_code& ec) const
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    if (option.level(impl.protocol_) == custom_socket_option_level
-        && option.name(impl.protocol_) == enable_connection_aborted_option)
-    {
-      if (option.size(impl.protocol_) != sizeof(int))
-      {
-        ec = boost::asio::error::invalid_argument;
-      }
-      else
-      {
-        int* target = reinterpret_cast<int*>(option.data(impl.protocol_));
-        if (impl.flags_ & implementation_type::enable_connection_aborted)
-          *target = 1;
-        else
-          *target = 0;
-        option.resize(impl.protocol_, sizeof(int));
-        ec = boost::system::error_code();
-      }
-      return ec;
-    }
-    else
-    {
-      size_t size = option.size(impl.protocol_);
-      socket_ops::getsockopt(impl.socket_,
-          option.level(impl.protocol_), option.name(impl.protocol_),
-          option.data(impl.protocol_), &size, ec);
-      if (!ec)
-        option.resize(impl.protocol_, size);
-      return ec;
-    }
-  }
-
-  // Perform an IO control command on the socket.
-  template <typename IO_Control_Command>
-  boost::system::error_code io_control(implementation_type& impl,
-      IO_Control_Command& command, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    if (command.name() == static_cast<int>(FIONBIO))
-    {
-      // Flags are manipulated in a temporary variable so that the socket
-      // implementation is not updated unless the ioctl operation succeeds.
-      unsigned char new_flags = impl.flags_;
-      if (*static_cast<ioctl_arg_type*>(command.data()))
-        new_flags |= implementation_type::user_set_non_blocking;
-      else
-        new_flags &= ~implementation_type::user_set_non_blocking;
-
-      // Perform ioctl on socket if the non-blocking state has changed.
-      if (!(impl.flags_ & implementation_type::non_blocking)
-          && (new_flags & implementation_type::non_blocking))
-      {
-        ioctl_arg_type non_blocking = 1;
-        socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec);
-      }
-      else if ((impl.flags_ & implementation_type::non_blocking)
-          && !(new_flags & implementation_type::non_blocking))
-      {
-        ioctl_arg_type non_blocking = 0;
-        socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec);
-      }
-      else
-      {
-        ec = boost::system::error_code();
-      }
-
-      // Update socket implementation's flags only if successful.
-      if (!ec)
-        impl.flags_ = new_flags;
-    }
-    else
-    {
-      socket_ops::ioctl(impl.socket_, command.name(),
-          static_cast<ioctl_arg_type*>(command.data()), ec);
-    }
-    return ec;
-  }
-
-  // Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      boost::system::error_code& ec) const
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return endpoint_type();
-    }
-
-    endpoint_type endpoint;
-    std::size_t addr_len = endpoint.capacity();
-    if (socket_ops::getsockname(impl.socket_, endpoint.data(), &addr_len, ec))
-      return endpoint_type();
-    endpoint.resize(addr_len);
-    return endpoint;
-  }
-
-  // Get the remote endpoint.
-  endpoint_type remote_endpoint(const implementation_type& impl,
-      boost::system::error_code& ec) const
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return endpoint_type();
-    }
-
-    endpoint_type endpoint;
-    std::size_t addr_len = endpoint.capacity();
-    if (socket_ops::getpeername(impl.socket_, endpoint.data(), &addr_len, ec))
-      return endpoint_type();
-    endpoint.resize(addr_len);
-    return endpoint;
-  }
-
-  /// Disable sends or receives on the socket.
-  boost::system::error_code shutdown(implementation_type& impl,
-      socket_base::shutdown_type what, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    socket_ops::shutdown(impl.socket_, what, ec);
-    return ec;
-  }
-
-  // Send the given data to the peer.
-  template <typename ConstBufferSequence>
-  size_t send(implementation_type& impl, const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Copy buffers into array.
-    socket_ops::buf bufs[max_buffers];
-    typename ConstBufferSequence::const_iterator iter = buffers.begin();
-    typename ConstBufferSequence::const_iterator end = buffers.end();
-    size_t i = 0;
-    size_t total_buffer_size = 0;
-    for (; iter != end && i < max_buffers; ++iter, ++i)
-    {
-      boost::asio::const_buffer buffer(*iter);
-      socket_ops::init_buf(bufs[i],
-          boost::asio::buffer_cast<const void*>(buffer),
-          boost::asio::buffer_size(buffer));
-      total_buffer_size += boost::asio::buffer_size(buffer);
-    }
-
-    // A request to receive 0 bytes on a stream socket is a no-op.
-    if (impl.protocol_.type() == SOCK_STREAM && total_buffer_size == 0)
-    {
-      ec = boost::system::error_code();
-      return 0;
-    }
-
-    // Send the data.
-    for (;;)
-    {
-      // Try to complete the operation without blocking.
-      int bytes_sent = socket_ops::send(impl.socket_, bufs, i, flags, ec);
-
-      // Check if operation succeeded.
-      if (bytes_sent >= 0)
-        return bytes_sent;
-
-      // Operation failed.
-      if ((impl.flags_ & implementation_type::user_set_non_blocking)
-          || (ec != boost::asio::error::would_block
-            && ec != boost::asio::error::try_again))
-        return 0;
-
-      // Wait for socket to become ready.
-      if (socket_ops::poll_write(impl.socket_, ec) < 0)
-        return 0;
-    }
-  }
-
-  // Wait until data can be sent without blocking.
-  size_t send(implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Wait for socket to become ready.
-    socket_ops::poll_write(impl.socket_, ec);
-
-    return 0;
-  }
-
-  template <typename ConstBufferSequence, typename Handler>
-  class send_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    send_operation(socket_type socket, boost::asio::io_service& io_service,
-        const ConstBufferSequence& buffers, socket_base::message_flags flags,
-        Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        socket_(socket),
-        io_service_(io_service),
-        work_(io_service),
-        buffers_(buffers),
-        flags_(flags)
-    {
-    }
-
-    bool perform(boost::system::error_code& ec,
-        std::size_t& bytes_transferred)
-    {
-      // Check whether the operation was successful.
-      if (ec)
-      {
-        bytes_transferred = 0;
-        return true;
-      }
-
-      // Copy buffers into array.
-      socket_ops::buf bufs[max_buffers];
-      typename ConstBufferSequence::const_iterator iter = buffers_.begin();
-      typename ConstBufferSequence::const_iterator end = buffers_.end();
-      size_t i = 0;
-      for (; iter != end && i < max_buffers; ++iter, ++i)
-      {
-        boost::asio::const_buffer buffer(*iter);
-        socket_ops::init_buf(bufs[i],
-            boost::asio::buffer_cast<const void*>(buffer),
-            boost::asio::buffer_size(buffer));
-      }
-
-      // Send the data.
-      int bytes = socket_ops::send(socket_, bufs, i, flags_, ec);
-
-      // Check if we need to run the operation again.
-      if (ec == boost::asio::error::would_block
-          || ec == boost::asio::error::try_again)
-        return false;
-
-      bytes_transferred = (bytes < 0 ? 0 : bytes);
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec,
-        std::size_t bytes_transferred)
-    {
-      io_service_.post(bind_handler(this->handler_, ec, bytes_transferred));
-    }
-
-  private:
-    socket_type socket_;
-    boost::asio::io_service& io_service_;
-    boost::asio::io_service::work work_;
-    ConstBufferSequence buffers_;
-    socket_base::message_flags flags_;
-  };
-
-  // Start an asynchronous send. The data being sent must be valid for the
-  // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
-  void async_send(implementation_type& impl, const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      if (impl.protocol_.type() == SOCK_STREAM)
-      {
-        // Determine total size of buffers.
-        typename ConstBufferSequence::const_iterator iter = buffers.begin();
-        typename ConstBufferSequence::const_iterator end = buffers.end();
-        size_t i = 0;
-        size_t total_buffer_size = 0;
-        for (; iter != end && i < max_buffers; ++iter, ++i)
-        {
-          boost::asio::const_buffer buffer(*iter);
-          total_buffer_size += boost::asio::buffer_size(buffer);
-        }
-
-        // A request to receive 0 bytes on a stream socket is a no-op.
-        if (total_buffer_size == 0)
-        {
-          this->get_io_service().post(bind_handler(handler,
-                boost::system::error_code(), 0));
-          return;
-        }
-      }
-
-      // Make socket non-blocking.
-      if (!(impl.flags_ & implementation_type::internal_non_blocking))
-      {
-        if (!(impl.flags_ & implementation_type::non_blocking))
-        {
-          ioctl_arg_type non_blocking = 1;
-          boost::system::error_code ec;
-          if (socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec))
-          {
-            this->get_io_service().post(bind_handler(handler, ec, 0));
-            return;
-          }
-        }
-        impl.flags_ |= implementation_type::internal_non_blocking;
-      }
-
-      reactor_.start_write_op(impl.socket_, impl.reactor_data_,
-          send_operation<ConstBufferSequence, Handler>(
-            impl.socket_, this->get_io_service(), buffers, flags, handler));
-    }
-  }
-
-  template <typename Handler>
-  class null_buffers_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    null_buffers_operation(boost::asio::io_service& io_service, Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        work_(io_service)
-    {
-    }
-
-    bool perform(boost::system::error_code&,
-        std::size_t& bytes_transferred)
-    {
-      bytes_transferred = 0;
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec,
-        std::size_t bytes_transferred)
-    {
-      work_.get_io_service().post(bind_handler(
-            this->handler_, ec, bytes_transferred));
-    }
-
-  private:
-    boost::asio::io_service::work work_;
-  };
-
-  // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
-  void async_send(implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      reactor_.start_write_op(impl.socket_, impl.reactor_data_,
-          null_buffers_operation<Handler>(this->get_io_service(), handler),
-          false);
-    }
-  }
-
-  // Send a datagram to the specified endpoint. Returns the number of bytes
-  // sent.
-  template <typename ConstBufferSequence>
-  size_t send_to(implementation_type& impl, const ConstBufferSequence& buffers,
-      const endpoint_type& destination, socket_base::message_flags flags,
-      boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Copy buffers into array.
-    socket_ops::buf bufs[max_buffers];
-    typename ConstBufferSequence::const_iterator iter = buffers.begin();
-    typename ConstBufferSequence::const_iterator end = buffers.end();
-    size_t i = 0;
-    for (; iter != end && i < max_buffers; ++iter, ++i)
-    {
-      boost::asio::const_buffer buffer(*iter);
-      socket_ops::init_buf(bufs[i],
-          boost::asio::buffer_cast<const void*>(buffer),
-          boost::asio::buffer_size(buffer));
-    }
-
-    // Send the data.
-    for (;;)
-    {
-      // Try to complete the operation without blocking.
-      int bytes_sent = socket_ops::sendto(impl.socket_, bufs, i, flags,
-          destination.data(), destination.size(), ec);
-
-      // Check if operation succeeded.
-      if (bytes_sent >= 0)
-        return bytes_sent;
-
-      // Operation failed.
-      if ((impl.flags_ & implementation_type::user_set_non_blocking)
-          || (ec != boost::asio::error::would_block
-            && ec != boost::asio::error::try_again))
-        return 0;
-
-      // Wait for socket to become ready.
-      if (socket_ops::poll_write(impl.socket_, ec) < 0)
-        return 0;
-    }
-  }
-
-  // Wait until data can be sent without blocking.
-  size_t send_to(implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, const endpoint_type&,
-      boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Wait for socket to become ready.
-    socket_ops::poll_write(impl.socket_, ec);
-
-    return 0;
-  }
-
-  template <typename ConstBufferSequence, typename Handler>
-  class send_to_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    send_to_operation(socket_type socket, boost::asio::io_service& io_service,
-        const ConstBufferSequence& buffers, const endpoint_type& endpoint,
-        socket_base::message_flags flags, Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        socket_(socket),
-        io_service_(io_service),
-        work_(io_service),
-        buffers_(buffers),
-        destination_(endpoint),
-        flags_(flags)
-    {
-    }
-
-    bool perform(boost::system::error_code& ec,
-        std::size_t& bytes_transferred)
-    {
-      // Check whether the operation was successful.
-      if (ec)
-      {
-        bytes_transferred = 0;
-        return true;
-      }
-
-      // Copy buffers into array.
-      socket_ops::buf bufs[max_buffers];
-      typename ConstBufferSequence::const_iterator iter = buffers_.begin();
-      typename ConstBufferSequence::const_iterator end = buffers_.end();
-      size_t i = 0;
-      for (; iter != end && i < max_buffers; ++iter, ++i)
-      {
-        boost::asio::const_buffer buffer(*iter);
-        socket_ops::init_buf(bufs[i],
-            boost::asio::buffer_cast<const void*>(buffer),
-            boost::asio::buffer_size(buffer));
-      }
-
-      // Send the data.
-      int bytes = socket_ops::sendto(socket_, bufs, i, flags_,
-          destination_.data(), destination_.size(), ec);
-
-      // Check if we need to run the operation again.
-      if (ec == boost::asio::error::would_block
-          || ec == boost::asio::error::try_again)
-        return false;
-
-      bytes_transferred = (bytes < 0 ? 0 : bytes);
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec,
-        std::size_t bytes_transferred)
-    {
-      io_service_.post(bind_handler(this->handler_, ec, bytes_transferred));
-    }
-
-  private:
-    socket_type socket_;
-    boost::asio::io_service& io_service_;
-    boost::asio::io_service::work work_;
-    ConstBufferSequence buffers_;
-    endpoint_type destination_;
-    socket_base::message_flags flags_;
-  };
-
-  // Start an asynchronous send. The data being sent must be valid for the
-  // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
-  void async_send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      const endpoint_type& destination, socket_base::message_flags flags,
-      Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      // Make socket non-blocking.
-      if (!(impl.flags_ & implementation_type::internal_non_blocking))
-      {
-        if (!(impl.flags_ & implementation_type::non_blocking))
-        {
-          ioctl_arg_type non_blocking = 1;
-          boost::system::error_code ec;
-          if (socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec))
-          {
-            this->get_io_service().post(bind_handler(handler, ec, 0));
-            return;
-          }
-        }
-        impl.flags_ |= implementation_type::internal_non_blocking;
-      }
-
-      reactor_.start_write_op(impl.socket_, impl.reactor_data_,
-          send_to_operation<ConstBufferSequence, Handler>(
-            impl.socket_, this->get_io_service(), buffers,
-            destination, flags, handler));
-    }
-  }
-
-  // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
-  void async_send_to(implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, const endpoint_type&, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      reactor_.start_write_op(impl.socket_, impl.reactor_data_,
-          null_buffers_operation<Handler>(this->get_io_service(), handler),
-          false);
-    }
-  }
-
-  // Receive some data from the peer. Returns the number of bytes received.
-  template <typename MutableBufferSequence>
-  size_t receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Copy buffers into array.
-    socket_ops::buf bufs[max_buffers];
-    typename MutableBufferSequence::const_iterator iter = buffers.begin();
-    typename MutableBufferSequence::const_iterator end = buffers.end();
-    size_t i = 0;
-    size_t total_buffer_size = 0;
-    for (; iter != end && i < max_buffers; ++iter, ++i)
-    {
-      boost::asio::mutable_buffer buffer(*iter);
-      socket_ops::init_buf(bufs[i],
-          boost::asio::buffer_cast<void*>(buffer),
-          boost::asio::buffer_size(buffer));
-      total_buffer_size += boost::asio::buffer_size(buffer);
-    }
-
-    // A request to receive 0 bytes on a stream socket is a no-op.
-    if (impl.protocol_.type() == SOCK_STREAM && total_buffer_size == 0)
-    {
-      ec = boost::system::error_code();
-      return 0;
-    }
-
-    // Receive some data.
-    for (;;)
-    {
-      // Try to complete the operation without blocking.
-      int bytes_recvd = socket_ops::recv(impl.socket_, bufs, i, flags, ec);
-
-      // Check if operation succeeded.
-      if (bytes_recvd > 0)
-        return bytes_recvd;
-
-      // Check for EOF.
-      if (bytes_recvd == 0 && impl.protocol_.type() == SOCK_STREAM)
-      {
-        ec = boost::asio::error::eof;
-        return 0;
-      }
-
-      // Operation failed.
-      if ((impl.flags_ & implementation_type::user_set_non_blocking)
-          || (ec != boost::asio::error::would_block
-            && ec != boost::asio::error::try_again))
-        return 0;
-
-      // Wait for socket to become ready.
-      if (socket_ops::poll_read(impl.socket_, ec) < 0)
-        return 0;
-    }
-  }
-
-  // Wait until data can be received without blocking.
-  size_t receive(implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Wait for socket to become ready.
-    socket_ops::poll_read(impl.socket_, ec);
-
-    return 0;
-  }
-
-  template <typename MutableBufferSequence, typename Handler>
-  class receive_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    receive_operation(socket_type socket, int protocol_type,
-        boost::asio::io_service& io_service,
-        const MutableBufferSequence& buffers,
-        socket_base::message_flags flags, Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        socket_(socket),
-        protocol_type_(protocol_type),
-        io_service_(io_service),
-        work_(io_service),
-        buffers_(buffers),
-        flags_(flags)
-    {
-    }
-
-    bool perform(boost::system::error_code& ec,
-        std::size_t& bytes_transferred)
-    {
-      // Check whether the operation was successful.
-      if (ec)
-      {
-        bytes_transferred = 0;
-        return true;
-      }
-
-      // Copy buffers into array.
-      socket_ops::buf bufs[max_buffers];
-      typename MutableBufferSequence::const_iterator iter = buffers_.begin();
-      typename MutableBufferSequence::const_iterator end = buffers_.end();
-      size_t i = 0;
-      for (; iter != end && i < max_buffers; ++iter, ++i)
-      {
-        boost::asio::mutable_buffer buffer(*iter);
-        socket_ops::init_buf(bufs[i],
-            boost::asio::buffer_cast<void*>(buffer),
-            boost::asio::buffer_size(buffer));
-      }
-
-      // Receive some data.
-      int bytes = socket_ops::recv(socket_, bufs, i, flags_, ec);
-      if (bytes == 0 && protocol_type_ == SOCK_STREAM)
-        ec = boost::asio::error::eof;
-
-      // Check if we need to run the operation again.
-      if (ec == boost::asio::error::would_block
-          || ec == boost::asio::error::try_again)
-        return false;
-
-      bytes_transferred = (bytes < 0 ? 0 : bytes);
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec,
-        std::size_t bytes_transferred)
-    {
-      io_service_.post(bind_handler(this->handler_, ec, bytes_transferred));
-    }
-
-  private:
-    socket_type socket_;
-    int protocol_type_;
-    boost::asio::io_service& io_service_;
-    boost::asio::io_service::work work_;
-    MutableBufferSequence buffers_;
-    socket_base::message_flags flags_;
-  };
-
-  // Start an asynchronous receive. The buffer for the data being received
-  // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
-  void async_receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      if (impl.protocol_.type() == SOCK_STREAM)
-      {
-        // Determine total size of buffers.
-        typename MutableBufferSequence::const_iterator iter = buffers.begin();
-        typename MutableBufferSequence::const_iterator end = buffers.end();
-        size_t i = 0;
-        size_t total_buffer_size = 0;
-        for (; iter != end && i < max_buffers; ++iter, ++i)
-        {
-          boost::asio::mutable_buffer buffer(*iter);
-          total_buffer_size += boost::asio::buffer_size(buffer);
-        }
-
-        // A request to receive 0 bytes on a stream socket is a no-op.
-        if (total_buffer_size == 0)
-        {
-          this->get_io_service().post(bind_handler(handler,
-                boost::system::error_code(), 0));
-          return;
-        }
-      }
-
-      // Make socket non-blocking.
-      if (!(impl.flags_ & implementation_type::internal_non_blocking))
-      {
-        if (!(impl.flags_ & implementation_type::non_blocking))
-        {
-          ioctl_arg_type non_blocking = 1;
-          boost::system::error_code ec;
-          if (socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec))
-          {
-            this->get_io_service().post(bind_handler(handler, ec, 0));
-            return;
-          }
-        }
-        impl.flags_ |= implementation_type::internal_non_blocking;
-      }
-
-      if (flags & socket_base::message_out_of_band)
-      {
-        reactor_.start_except_op(impl.socket_, impl.reactor_data_,
-            receive_operation<MutableBufferSequence, Handler>(
-              impl.socket_, impl.protocol_.type(),
-              this->get_io_service(), buffers, flags, handler));
-      }
-      else
-      {
-        reactor_.start_read_op(impl.socket_, impl.reactor_data_,
-            receive_operation<MutableBufferSequence, Handler>(
-              impl.socket_, impl.protocol_.type(),
-              this->get_io_service(), buffers, flags, handler));
-      }
-    }
-  }
-
-  // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive(implementation_type& impl, const null_buffers&,
-      socket_base::message_flags flags, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else if (flags & socket_base::message_out_of_band)
-    {
-      reactor_.start_except_op(impl.socket_, impl.reactor_data_,
-          null_buffers_operation<Handler>(this->get_io_service(), handler));
-    }
-    else
-    {
-      reactor_.start_read_op(impl.socket_, impl.reactor_data_,
-          null_buffers_operation<Handler>(this->get_io_service(), handler),
-          false);
-    }
-  }
-
-  // Receive a datagram with the endpoint of the sender. Returns the number of
-  // bytes received.
-  template <typename MutableBufferSequence>
-  size_t receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      endpoint_type& sender_endpoint, socket_base::message_flags flags,
-      boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Copy buffers into array.
-    socket_ops::buf bufs[max_buffers];
-    typename MutableBufferSequence::const_iterator iter = buffers.begin();
-    typename MutableBufferSequence::const_iterator end = buffers.end();
-    size_t i = 0;
-    for (; iter != end && i < max_buffers; ++iter, ++i)
-    {
-      boost::asio::mutable_buffer buffer(*iter);
-      socket_ops::init_buf(bufs[i],
-          boost::asio::buffer_cast<void*>(buffer),
-          boost::asio::buffer_size(buffer));
-    }
-
-    // Receive some data.
-    for (;;)
-    {
-      // Try to complete the operation without blocking.
-      std::size_t addr_len = sender_endpoint.capacity();
-      int bytes_recvd = socket_ops::recvfrom(impl.socket_, bufs, i, flags,
-          sender_endpoint.data(), &addr_len, ec);
-
-      // Check if operation succeeded.
-      if (bytes_recvd > 0)
-      {
-        sender_endpoint.resize(addr_len);
-        return bytes_recvd;
-      }
-
-      // Check for EOF.
-      if (bytes_recvd == 0 && impl.protocol_.type() == SOCK_STREAM)
-      {
-        ec = boost::asio::error::eof;
-        return 0;
-      }
-
-      // Operation failed.
-      if ((impl.flags_ & implementation_type::user_set_non_blocking)
-          || (ec != boost::asio::error::would_block
-            && ec != boost::asio::error::try_again))
-        return 0;
-
-      // Wait for socket to become ready.
-      if (socket_ops::poll_read(impl.socket_, ec) < 0)
-        return 0;
-    }
-  }
-
-  // Wait until data can be received without blocking.
-  size_t receive_from(implementation_type& impl, const null_buffers&,
-      endpoint_type& sender_endpoint, socket_base::message_flags,
-      boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return 0;
-    }
-
-    // Wait for socket to become ready.
-    socket_ops::poll_read(impl.socket_, ec);
-
-    // Reset endpoint since it can be given no sensible value at this time.
-    sender_endpoint = endpoint_type();
-
-    return 0;
-  }
-
-  template <typename MutableBufferSequence, typename Handler>
-  class receive_from_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    receive_from_operation(socket_type socket, int protocol_type,
-        boost::asio::io_service& io_service,
-        const MutableBufferSequence& buffers, endpoint_type& endpoint,
-        socket_base::message_flags flags, Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        socket_(socket),
-        protocol_type_(protocol_type),
-        io_service_(io_service),
-        work_(io_service),
-        buffers_(buffers),
-        sender_endpoint_(endpoint),
-        flags_(flags)
-    {
-    }
-
-    bool perform(boost::system::error_code& ec,
-        std::size_t& bytes_transferred)
-    {
-      // Check whether the operation was successful.
-      if (ec)
-      {
-        bytes_transferred = 0;
-        return true;
-      }
-
-      // Copy buffers into array.
-      socket_ops::buf bufs[max_buffers];
-      typename MutableBufferSequence::const_iterator iter = buffers_.begin();
-      typename MutableBufferSequence::const_iterator end = buffers_.end();
-      size_t i = 0;
-      for (; iter != end && i < max_buffers; ++iter, ++i)
-      {
-        boost::asio::mutable_buffer buffer(*iter);
-        socket_ops::init_buf(bufs[i],
-            boost::asio::buffer_cast<void*>(buffer),
-            boost::asio::buffer_size(buffer));
-      }
-
-      // Receive some data.
-      std::size_t addr_len = sender_endpoint_.capacity();
-      int bytes = socket_ops::recvfrom(socket_, bufs, i, flags_,
-          sender_endpoint_.data(), &addr_len, ec);
-      if (bytes == 0 && protocol_type_ == SOCK_STREAM)
-        ec = boost::asio::error::eof;
-
-      // Check if we need to run the operation again.
-      if (ec == boost::asio::error::would_block
-          || ec == boost::asio::error::try_again)
-        return false;
-
-      sender_endpoint_.resize(addr_len);
-      bytes_transferred = (bytes < 0 ? 0 : bytes);
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec,
-        std::size_t bytes_transferred)
-    {
-      io_service_.post(bind_handler(this->handler_, ec, bytes_transferred));
-    }
-
-  private:
-    socket_type socket_;
-    int protocol_type_;
-    boost::asio::io_service& io_service_;
-    boost::asio::io_service::work work_;
-    MutableBufferSequence buffers_;
-    endpoint_type& sender_endpoint_;
-    socket_base::message_flags flags_;
-  };
-
-  // Start an asynchronous receive. The buffer for the data being received and
-  // the sender_endpoint object must both be valid for the lifetime of the
-  // asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
-  void async_receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      // Make socket non-blocking.
-      if (!(impl.flags_ & implementation_type::internal_non_blocking))
-      {
-        if (!(impl.flags_ & implementation_type::non_blocking))
-        {
-          ioctl_arg_type non_blocking = 1;
-          boost::system::error_code ec;
-          if (socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec))
-          {
-            this->get_io_service().post(bind_handler(handler, ec, 0));
-            return;
-          }
-        }
-        impl.flags_ |= implementation_type::internal_non_blocking;
-      }
-
-      reactor_.start_read_op(impl.socket_, impl.reactor_data_,
-          receive_from_operation<MutableBufferSequence, Handler>(
-            impl.socket_, impl.protocol_.type(), this->get_io_service(),
-            buffers, sender_endpoint, flags, handler));
-    }
-  }
-
-  // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive_from(implementation_type& impl,
-      const null_buffers&, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor, 0));
-    }
-    else
-    {
-      // Reset endpoint since it can be given no sensible value at this time.
-      sender_endpoint = endpoint_type();
-
-      if (flags & socket_base::message_out_of_band)
-      {
-        reactor_.start_except_op(impl.socket_, impl.reactor_data_,
-            null_buffers_operation<Handler>(this->get_io_service(), handler));
-      }
-      else
-      {
-        reactor_.start_read_op(impl.socket_, impl.reactor_data_,
-            null_buffers_operation<Handler>(this->get_io_service(), handler),
-            false);
-      }
-    }
-  }
-
-  // Accept a new connection.
-  template <typename Socket>
-  boost::system::error_code accept(implementation_type& impl,
-      Socket& peer, endpoint_type* peer_endpoint, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    // We cannot accept a socket that is already open.
-    if (peer.is_open())
-    {
-      ec = boost::asio::error::already_open;
-      return ec;
-    }
-
-    // Accept a socket.
-    for (;;)
-    {
-      // Try to complete the operation without blocking.
-      boost::system::error_code ec;
-      socket_holder new_socket;
-      std::size_t addr_len = 0;
-      if (peer_endpoint)
-      {
-        addr_len = peer_endpoint->capacity();
-        new_socket.reset(socket_ops::accept(impl.socket_,
-              peer_endpoint->data(), &addr_len, ec));
-      }
-      else
-      {
-        new_socket.reset(socket_ops::accept(impl.socket_, 0, 0, ec));
-      }
-
-      // Check if operation succeeded.
-      if (new_socket.get() >= 0)
-      {
-        if (peer_endpoint)
-          peer_endpoint->resize(addr_len);
-        peer.assign(impl.protocol_, new_socket.get(), ec);
-        if (!ec)
-          new_socket.release();
-        return ec;
-      }
-
-      // Operation failed.
-      if (ec == boost::asio::error::would_block
-          || ec == boost::asio::error::try_again)
-      {
-        if (impl.flags_ & implementation_type::user_set_non_blocking)
-          return ec;
-        // Fall through to retry operation.
-      }
-      else if (ec == boost::asio::error::connection_aborted)
-      {
-        if (impl.flags_ & implementation_type::enable_connection_aborted)
-          return ec;
-        // Fall through to retry operation.
-      }
-#if defined(EPROTO)
-      else if (ec.value() == EPROTO)
-      {
-        if (impl.flags_ & implementation_type::enable_connection_aborted)
-          return ec;
-        // Fall through to retry operation.
-      }
-#endif // defined(EPROTO)
-      else
-        return ec;
-
-      // Wait for socket to become ready.
-      if (socket_ops::poll_read(impl.socket_, ec) < 0)
-        return ec;
-    }
-  }
-
-  template <typename Socket, typename Handler>
-  class accept_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    accept_operation(socket_type socket, boost::asio::io_service& io_service,
-        Socket& peer, const protocol_type& protocol,
-        endpoint_type* peer_endpoint, bool enable_connection_aborted,
-        Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        socket_(socket),
-        io_service_(io_service),
-        work_(io_service),
-        peer_(peer),
-        protocol_(protocol),
-        peer_endpoint_(peer_endpoint),
-        enable_connection_aborted_(enable_connection_aborted)
-    {
-    }
-
-    bool perform(boost::system::error_code& ec, std::size_t&)
-    {
-      // Check whether the operation was successful.
-      if (ec)
-        return true;
-
-      // Accept the waiting connection.
-      socket_holder new_socket;
-      std::size_t addr_len = 0;
-      if (peer_endpoint_)
-      {
-        addr_len = peer_endpoint_->capacity();
-        new_socket.reset(socket_ops::accept(socket_,
-              peer_endpoint_->data(), &addr_len, ec));
-      }
-      else
-      {
-        new_socket.reset(socket_ops::accept(socket_, 0, 0, ec));
-      }
-
-      // Check if we need to run the operation again.
-      if (ec == boost::asio::error::would_block
-          || ec == boost::asio::error::try_again)
-        return false;
-      if (ec == boost::asio::error::connection_aborted
-          && !enable_connection_aborted_)
-        return false;
-#if defined(EPROTO)
-      if (ec.value() == EPROTO && !enable_connection_aborted_)
-        return false;
-#endif // defined(EPROTO)
-
-      // Transfer ownership of the new socket to the peer object.
-      if (!ec)
-      {
-        if (peer_endpoint_)
-          peer_endpoint_->resize(addr_len);
-        peer_.assign(protocol_, new_socket.get(), ec);
-        if (!ec)
-          new_socket.release();
-      }
-
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec, std::size_t)
-    {
-      io_service_.post(bind_handler(this->handler_, ec));
-    }
-
-  private:
-    socket_type socket_;
-    boost::asio::io_service& io_service_;
-    boost::asio::io_service::work work_;
-    Socket& peer_;
-    protocol_type protocol_;
-    endpoint_type* peer_endpoint_;
-    bool enable_connection_aborted_;
-  };
-
-  // Start an asynchronous accept. The peer and peer_endpoint objects
-  // must be valid until the accept's handler is invoked.
-  template <typename Socket, typename Handler>
-  void async_accept(implementation_type& impl, Socket& peer,
-      endpoint_type* peer_endpoint, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor));
-    }
-    else if (peer.is_open())
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::already_open));
-    }
-    else
-    {
-      // Make socket non-blocking.
-      if (!(impl.flags_ & implementation_type::internal_non_blocking))
-      {
-        if (!(impl.flags_ & implementation_type::non_blocking))
-        {
-          ioctl_arg_type non_blocking = 1;
-          boost::system::error_code ec;
-          if (socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec))
-          {
-            this->get_io_service().post(bind_handler(handler, ec));
-            return;
-          }
-        }
-        impl.flags_ |= implementation_type::internal_non_blocking;
-      }
-
-      reactor_.start_read_op(impl.socket_, impl.reactor_data_,
-          accept_operation<Socket, Handler>(
-            impl.socket_, this->get_io_service(),
-            peer, impl.protocol_, peer_endpoint,
-            (impl.flags_ & implementation_type::enable_connection_aborted) != 0,
-            handler));
-    }
-  }
-
-  // Connect the socket to the specified endpoint.
-  boost::system::error_code connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, boost::system::error_code& ec)
-  {
-    if (!is_open(impl))
-    {
-      ec = boost::asio::error::bad_descriptor;
-      return ec;
-    }
-
-    // Perform the connect operation.
-    socket_ops::connect(impl.socket_,
-        peer_endpoint.data(), peer_endpoint.size(), ec);
-    if (ec != boost::asio::error::in_progress
-        && ec != boost::asio::error::would_block)
-    {
-      // The connect operation finished immediately.
-      return ec;
-    }
-
-    // Wait for socket to become ready.
-    if (socket_ops::poll_connect(impl.socket_, ec) < 0)
-      return ec;
-
-    // Get the error code from the connect operation.
-    int connect_error = 0;
-    size_t connect_error_len = sizeof(connect_error);
-    if (socket_ops::getsockopt(impl.socket_, SOL_SOCKET, SO_ERROR,
-          &connect_error, &connect_error_len, ec) == socket_error_retval)
-      return ec;
-
-    // Return the result of the connect operation.
-    ec = boost::system::error_code(connect_error,
-        boost::asio::error::get_system_category());
-    return ec;
-  }
-
-  template <typename Handler>
-  class connect_operation :
-    public handler_base_from_member<Handler>
-  {
-  public:
-    connect_operation(socket_type socket,
-        boost::asio::io_service& io_service, Handler handler)
-      : handler_base_from_member<Handler>(handler),
-        socket_(socket),
-        io_service_(io_service),
-        work_(io_service)
-    {
-    }
-
-    bool perform(boost::system::error_code& ec, std::size_t&)
-    {
-      // Check whether the operation was successful.
-      if (ec)
-        return true;
-
-      // Get the error code from the connect operation.
-      int connect_error = 0;
-      size_t connect_error_len = sizeof(connect_error);
-      if (socket_ops::getsockopt(socket_, SOL_SOCKET, SO_ERROR,
-            &connect_error, &connect_error_len, ec) == socket_error_retval)
-        return true;
-
-      // The connection failed so the handler will be posted with an error code.
-      if (connect_error)
-      {
-        ec = boost::system::error_code(connect_error,
-            boost::asio::error::get_system_category());
-        return true;
-      }
-
-      return true;
-    }
-
-    void complete(const boost::system::error_code& ec, std::size_t)
-    {
-      io_service_.post(bind_handler(this->handler_, ec));
-    }
-
-  private:
-    socket_type socket_;
-    boost::asio::io_service& io_service_;
-    boost::asio::io_service::work work_;
-  };
-
-  // Start an asynchronous connect.
-  template <typename Handler>
-  void async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, Handler handler)
-  {
-    if (!is_open(impl))
-    {
-      this->get_io_service().post(bind_handler(handler,
-            boost::asio::error::bad_descriptor));
-      return;
-    }
-
-    // Make socket non-blocking.
-    if (!(impl.flags_ & implementation_type::internal_non_blocking))
-    {
-      if (!(impl.flags_ & implementation_type::non_blocking))
-      {
-        ioctl_arg_type non_blocking = 1;
-        boost::system::error_code ec;
-        if (socket_ops::ioctl(impl.socket_, FIONBIO, &non_blocking, ec))
-        {
-          this->get_io_service().post(bind_handler(handler, ec));
-          return;
-        }
-      }
-      impl.flags_ |= implementation_type::internal_non_blocking;
-    }
-
-    // Start the connect operation. The socket is already marked as non-blocking
-    // so the connection will take place asynchronously.
-    boost::system::error_code ec;
-    if (socket_ops::connect(impl.socket_, peer_endpoint.data(),
-          peer_endpoint.size(), ec) == 0)
-    {
-      // The connect operation has finished successfully so we need to post the
-      // handler immediately.
-      this->get_io_service().post(bind_handler(handler,
-            boost::system::error_code()));
-    }
-    else if (ec == boost::asio::error::in_progress
-        || ec == boost::asio::error::would_block)
-    {
-      // The connection is happening in the background, and we need to wait
-      // until the socket becomes writeable.
-      reactor_.start_connect_op(impl.socket_, impl.reactor_data_,
-          connect_operation<Handler>(impl.socket_,
-            this->get_io_service(), handler));
-    }
-    else
-    {
-      // The connect operation has failed, so post the handler immediately.
-      this->get_io_service().post(bind_handler(handler, ec));
-    }
-  }
-
-private:
-  // The selector that performs event demultiplexing for the service.
-  Reactor& reactor_;
-};
-
-} // namespace detail
-} // namespace asio
-} // namespace boost
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_DETAIL_REACTIVE_SOCKET_SERVICE_HPP