Felix von Leitner wrote:
> I cheated. I was only talking about open().
> close() is of course more expensive then.
>
> Other than that: where does the requirement come from?
> Can't we just use a free list where we prepend closed fds and always use
> the first one on open()? That would even increase spatial locality and
> be good for the CPU caches.
You would need to use a new open() flag: O_ANYFD.
The requirement comes from this like this:
close (0);
close (1);
close (2);
open ("/dev/console", O_RDWR);
dup ();
dup ();
-- Jamie
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This archive was generated by hypermail 2b29 : Tue Jan 23 2001 - 21:00:12 EST