On 27 Nov 2004 at 14:23, P Witte wrote:

(...)
> Well, I stipulated from the start that I didnt want to have to THINK, and
> obviously, Ive stuck to that ;) That was the first measurement. Glad nobody
> cut yet!

We're all thinking in your place...
 :-))

> To re-discover the point about the above matter it is worth going back to
> first principles:
> 

Nicely put.

(...)

> Spool the converted data coming from the application via PFF first and
> then start up the rastering program connected to the file. (However, the
> rastering program may have a spooling facility  itself, making this step
> unnecessay)

See my earlier email - this step woill, indeed be necessary for PROforma.
 
> Probably a function to abort the current print run should go here too.
> 
> The rest is done by the printer device driver (PFF), application and
> rastering program
> 
> We could have a pre-running job that would snoop on the printer device and
> activate when it detected the device was open, but this wastes clock cycles.
> Since the printer device driver knows when it is being openened, it seems
> sensible that it would somehow activate the job itself when necessary, which
> is what the above suggestion was all about.

Yes, anything else is not quite satisfactory 

> Another way this might be achieved is by pre-initialising PRTSRV but leaving
> it suspended until required.

(...)

I wonder whether it might not be preferable to have the job set it's priority 
to 0, and, from within the device driver, set it to a suitable nonzero value.
Both these options seem quite valid. I'm not sure what suspension and release 
really involve.

> 
> No doubt, while weve been talking all this over, some busy beavers will have
> gone and written the whole thing themselves, which is of course very nice,
> but defeats the object of collaboration.

I'd be interested to see that.

> Apologies for the length of this mail!


What?
Keep more coming! And longer!

Wolfgang
----------------------------------------
www.scp-paulet-lenerz.com

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