> Anyhow... I assume they are using rc4 so assuming the initial state is kept
> secret these should be fairly hard to guess - only, it doesn't satisfy
> Dean's desired criterion that no PID be re-used within a short amount of
> time.
>
> Especially since we only have 15 bit PIDs available. Now, if we fork like
> crazy we can burn a few thousand of these in a fairly short amount of time,
> making a check the last n PIDs system too expensive, so statistically re-use
> of a number could be made occur if one desired.
AIX has non-sequential pids. If it helps any, I believe that part of
the pid is the slot number in the process table.
Joe Buehler
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu