On 25 Nov 2004 at 16:09, Joachim Van der Auwera wrote:

> Wolfgang Lenerz wrote:
> > On 24 Nov 2004 at 20:21, Rich Mellor wrote:
> >>OK that should fit on a Trump Card, especially if the FILTER THING can 
> >>give the device driver the option of sending the output to a file instead 
> >>of a pipe.
> > 
> > 
> > To to this within the device driver will be a non trivial task because you 
> > wil have to open a filing system channel from withing the open call of a 
> > non 
> > filing system device driver.
> 
> That's what the FILTER THING would be very good for.

Probably not (?).
I presume the 'thing' use call would open the channel to the filing system.
If you call the thing use routine from within the PFF channel open call 
(which is what I see proposed), you have the same problem as you will STILL 
be within the channel open call when using the 'thing'!


Wolfgang
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