[Mimedefang] multiple CPUs, multiple milters!

[John Rowan Littell]

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Lo, Cormack, Ken and the coffee pot sang in unison:

> Just a comment about high PID numbers vs low PID numbers.  We cant always
> assume that the lower PID is the parent.  As with all *nix variants, Linux
> "wraps" PIDs, and at some point, you may see a child with a lower PID than
> the parent process.  Granted, it's unlikely you'd see this with a service
> started at boot, but if you ever needed to bounce the service without
> rebooting, it could happen.

Side note -- OpenBSD and FreeBSD (and possibly others, I can't recall
off the top of my head) have the capability of using random PIDs.  If
you've got that turned on on your box, then all bets are off unless
you look at the process tree structure.

  --rowan

- -- 
John "Rowan" Littell
Systems Administrator
Earlham College Computing Services
http://www.earlham.edu/~littejo/
2003-09-11 07:46
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