jails clean startup

[joerg at britannica.bec.de]

On Mon, Mar 20, 2006 at 12:29:47AM +0100, Andreas Kohn wrote:
> [*] The man page of kill doesn't mention "0" as a way to check if a
> process is jailed, and neither jail(2) nor jail(8) talk about it.

"0" is a valid signal and the standard check to see if a process exists.
Which process is known to run in the base system and can't exist in a
jail therefore?

Joerg