Boost ASIO

newcode.cpp

boost::optional<boost::system::error_code> read_result;
boost::asio::async_write(*socket, boost::asio::buffer(data, size), [&read_result](const boost::system::error_code& error, size_t) { read_result.reset(error); });
socket->get_io_service().reset();
while(socket->get_io_service().run_one())
{
}

oldcode.cpp

asio::read(*socket, asio::mutable_buffers_1(asio::mutable_buffer(data, size)));