Happy Holidays!

From: Derek Peschel <dpeschel_at_eskimo.com>
Date: Thu Jan 3 11:18:05 2002

On Thu, Jan 03, 2002 at 04:36:32PM +0100, Jochen Kunz wrote:
> On 2002.01.03 14:07 Derek Peschel wrote:
>
> [overlayed executables in 2.11BSD]
> > Random question -- Is there any way to use overlays with shared text
> > segments (the "sticky bit")?
> I don't know.
>
> > The shell is one of the usual candidates
> > for having its sticky bit set, but then it would have to keep track of
> > which users need which overlays... not pleasant.
> Hmmm. I can only assume. The info what overlay is active is part of the
> process structure, as it is part of the memory management and handled by
> the kernel. So it would be individual for every process. But I may be
> completly wrong in that.

But the whole point of the sticky bit is that some of the process
information (whether a segment is swapped out or not) becomes shared
by more than one process. Thus the paradox.

Anyway, it sounds like you're having fun with your toy. :)

-- Derek
Received on Thu Jan 03 2002 - 11:18:05 GMT