/dev/cuad0: Device busy

[Eugene Grosbein]

On Mon, Feb 04, 2008 at 05:10:20AM -0800, Jeremy Chadwick wrote:

> Also, the above mechanism must be fairly old, because I imagine it would
> be more effective to utilise kqueue/kevent to inform said programs of
> when the serial port is available for use.

The kqueue/kevent had appeared only in 4.x version of FreeBSD
and serial ports were used long time before.

Eugene Grosbein