Dimitri Fontaine escribió:
> Le mardi 09 décembre 2008, Tom Lane a écrit :
> > I think we need something closer to the postmaster signal multiplexing
> > mechanism, wherein there is a dedicated shared memory area of static
> > layout that holds the signaling flags. And it needs to be driven off
> > of knowing the target's PID, not anything else.
>
> ...this makes me recall IMessage Queues from Postgres-R, reworked by Markus to
> follow your advices about postmaster and shared memory.
> http://archives.postgresql.org/pgsql-hackers/2008-07/msg01420.php
>
> Could it be the implementation we need for multiplexing signals from one
> backend some others?
No, the signalling needed here is far simpler than Markus' IMessage
stuff.
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