Markus Wanner <mar...@bluegap.ch> writes:
> do I understand correctly that a BackendId is just an index into the
> ProcSignalSlots array and not (necessarily) the same as the index into
> ProcArrayStruct's procs?
> If yes, could these be synchronized? Why is ProcSignalSlot not part of
> PGPROC at all? Both are shared memory structures per backend (plus
> NUM_AUXILIARY_PROCS). What am I missing?
It's easier to keep those modules separate. I believe also that there
are (or could be) processes that have entries in one array but not the
other.
regards, tom lane
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