Re: [systemd-devel] Inhibiting plug and play

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On 7/16/2013 1:23 PM, Lennart Poettering wrote:
> So, Kay suggested we should use BSD file locks for this. i.e. all
> tools which want to turn off events for a device would take one on
> that specific device fd. As long as it is taken udev would not
> generate events. As soon as the BSD lock is released again it would
> recheck the device.
> 
> To me this sounds like a pretty clean thing to do. Locks usually
> suck, but for this purpose they appear to do exactly what they
> should, and most of the problematic things with them don't apply in
> this specific case.
> 
> Doing things way would be quite robust, as we have clean
> synchronization and the kernel will release the locks automatically
> when the owner dies.
> 
> Opinions?

Sounds like it might work.


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