boost::system::error_code set_option(implementation_type& impl,
const SettableSerialPortOption& option, boost::system::error_code& ec)
{
using namespace std; // For memcpy.
::DCB dcb;
memset(&dcb, 0, sizeof(DCB));
dcb.DCBlength = sizeof(DCB);
if (!::GetCommState(handle_service_.native(impl), &dcb))
{
DWORD last_error = ::GetLastError();
ec = boost::system::error_code(last_error,
boost::asio::error::get_system_category());
return ec;
}
if (option.store(dcb, ec))
return ec;
if (!::SetCommState(handle_service_.native(impl), &dcb))
{
DWORD last_error = ::GetLastError();
ec = boost::system::error_code(last_error,
boost::asio::error::get_system_category());
return ec;
}
ec = boost::system::error_code();
return ec;
}
boost::system::error_code set_option(implementation_type& impl,
const SettableSerialPortOption& option, boost::system::error_code& ec)
{
termios ios;
descriptor_ops::clear_error(ec);
descriptor_ops::error_wrapper(::tcgetattr(
descriptor_service_.native(impl), &ios), ec);
if (ec)
return ec;
if (option.store(ios, ec))
return ec;
descriptor_ops::clear_error(ec);
descriptor_ops::error_wrapper(::tcsetattr(
descriptor_service_.native(impl), TCSANOW, &ios), ec);
return ec;
}