On Wed, Apr 18, 2001 at 10:26:40AM -0700, Julian Elischer wrote:
> Robert Watson wrote:
> >
> > On Wed, 18 Apr 2001, Poul-Henning Kamp wrote:
>
> > As I indicated in my follow-up mail, the statement about seeking was
> > incorrect, that is a property of the open file structure; I believe the
> > remainder still holds true. When was the last time you tried mmap'ing or
> > seeking on the socket? A socket represents a buffered data stream which
> > does not allow arbitrary read/write operations at arbitrary offsets.
>
> Actually there have been times when I did want to mmap a datastream..
> I think a datastream mapped into a user buffer-space is one of the
> possible 0-copy methods people sometimes mention.
Mmapped data streams: audio IO.
There are probably others.
--
Andrew
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