RE: [Exim] Small change to exiwhat

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Autor: Tamas TEVESZ
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A: exim-users
Assumpte: RE: [Exim] Small change to exiwhat
On Tue, 9 Jul 2002 ceri.davies@??? wrote:

> > > True, but i think *all* unix implements process numbers as
> > an increasing wrapping number, 16 bit (signed?).
> >
> > AIX (IIRC) does not use incrementing pids (but somehow manages not to
> > re-use one for some time).
>
> Also, OpenBSD uses random PIDs (at least, 2.7 did).


and it's been doing that ever since. also linux has several patches
out in the wild (mostly that which are related to improving security
by some means) that randomize pid allocations. also freebsd seems to
use it since around nov 1999. i'm quite sure this list is just a
not-even-representative sample...


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