Petr Jelinek <[email protected]> writes:
> On 13/12/16 00:39, Tom Lane wrote:
>> Hm, buildfarm says this didn't fix it. Where exactly does the dropping
>> of the slot happen ... is it not complete by the time the backend exits?
> Yes, I've seen. The cleanup of slots is done in ProcKill(), I wonder,
> since it's on_shmem_exit hook, and the pgstat_beshutdown_hook is as
> well, maybe the pgstat_beshutdown_hook is called before ProcKill and the
> query is lucky to hit right in between.
Hm. That seems like a pretty bogus place to do it. An awful lot of the
backend infrastructure is already gone by then, if I recall the ordering
correctly. Maybe ShutdownPostgres would be a saner place; but it really
depends on what you think the module layering is for this facility.
I would definitely not think it is proc.c's responsibility, though.
regards, tom lane
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