Re: The Perils of Pluggability

[ams]

   Also, deliberately hostile viruses that simply soak up all
   available processor time and make the machine nearly unusable don't
   count either.

setrlimit(), and you have solved your problem.

Your example of DoS costing companies money have nothing to do with
the Hurd.  If they want some finer control of what happens, then they
can implement it themselfs.