On Wed, 7 Mar 2001, Abramo Bagnara wrote:
> Alexander Viro wrote:
> >
> > On Wed, 7 Mar 2001, Jeremy Elson wrote:
> >
> > > Right now, my code looks something like this: (it might make more
> > > sense if you know that I've written a framework for writing user-space
> > > device drivers... I'm going to be releasing it soon, hopefully after I
> > > resolve this performance problem. Or maybe before, if it's hard.)
> >
> > Ugh. Why not make that a named pipe and use zerocopy stuff for pipes?
> > I.e. why bother with making it look like a character device rather than
> > a FIFO?
>
> What about ioctl? Device drivers sometimes need it ;-)
No, they don't. OOB data is equivalent to data on parallel channel.
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This archive was generated by hypermail 2b29 : Wed Mar 07 2001 - 21:00:22 EST