thanks for the info.
regards
-kamal

--- Matthew Mondor <mmondor@gobot.ca> wrote:
> 
> Especially look for Mach kernel development related
> sites, same for
> darwin; Apple site has some links... You also may be
> interested in looking
> at QNX documentation although it was not a converted
> unix, it still is
> posix and has alot of similarities... but darwin
> related material may be
> your best bet... Another interesting source may be
> rt-linux related
> documentation. A general principle is the
> realtime-like message passing
> API which has to be developped, which interconnects
> all components,
> including drivers, which get reimplemented as
> userspace daemons...
> 
> Matt


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