On Tue, 29 Apr 2014, Pavelka, Tomas wrote:
> Can anyone think of a way how to tell that the device is really offline (i.e.
> in DEV_STATE_DISCONNECTED or DEV_STATE_OFFLINE) so that it is safe to detach?
> And do this from user mode?
>
> My current solution is simply to put a short sleep before the CP detach
> command but that does not seem to be very safe even though I have not been
> able to reproduce the failure with it.
the latter sounds 'racy'
I know that ClefOS at 6 has 'ethtool' available (successor and
more general than mii-tools) which can detect if a given
interface is 'live', and that will also be in ClefOS 7 ...
particularly useful might be:
ethtool --test (devname) offline
for testing
-- Russ herrold
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