...one of the most highly
regarded and expertly designed C++ library projects in the
world. — Herb Sutter and Andrei
Close the serial port.
boost::system::error_code close( boost::system::error_code & ec);
This function is used to close the serial port. Any asynchronous read or write operations will be cancelled immediately, and will complete with the boost::asio::error::operation_aborted error.
Set to indicate what error occurred, if any.