On Thu, Mar 15, 2001 at 11:04:41AM +0100, Michael Reinelt wrote:
> But I want kind of a 'fallback', because a lot of users will not load
> lp.o with the right options. I wnat to get exclusive access, If I can't
> get it, I will print a big fat warning, and continue without exclusive
> access. Is there a way to clear the EXCL flag (other than closing an
> reopening the device?)
You'll have to close and reopen the device.
> Thanks.
>
> But how does lp.o load parport_pc?
It calls parport_register_driver, which triggers parport into wanting
to load a lowlevel port driver.
> I don't think that select() has microsecond resolution, I suppose it
> will reschedule and therefore have at least a 10ms delay (which is far
> too long). But I will have a look at the kernel code..
For small delays it will do the right thing, IIRC.
Tim.
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