katolaz@??? writes:
> I genuinely don't understand why the kernel should know about the
> internals of running processes, or get notified if a process is
> "ready" to do whatever it is supposed to do, or get queried by other
> processes which would like to access this kind of information, or
> maintain such information in the first instance...

Indeed. Particularly in light of the modern fashion of running things on
other hosts reachable across the network, perhaps via load balancers that
complicate the availability state machine.

Arnt