CD locking (was Re: is magicdev evil?)

[Bill Nottingham]

Owen Taylor (otaylor at redhat.com) said: 
> Harald - what's the situation here supposed to be currently? 
> I thought that we figured something out where:
>  
>  - All CD burnings open the device with O_EXCL
>  - Apps accessing the device otherwise (magicdev, etc.) do nothing
>    special
> 
> Was going to fix the problem, but I don't see anything in the current
> xcdroast package (0.98a13) to open devices O_EXCL.

xcdroast never opens the CD device itself, it just calls cdrecord,
as I recall. So the locking is just in cdrecord.

Bill