On 2017-04-21 04:20:26 +0200, Petr Jelinek wrote:
> Looks like SIGUSR1 being different is problem here - it's normally used
> to . I also noticed that we don't handle SIGINT (query cancel).

I think we really need to unify the paths between walsender and normal
backends to a much larger degree.

> BTW while looking at the code, I don't understand why we call
> latch_sigusr1_handler after calling SetLatch(MyLatch), shouldn't just
> the SetLatch be enough (they both end up calling sendSelfPipeByte()
> eventually)?

Historic raisins - there didn't use to be a SetLatch in
procsignal_sigusr1_handler. That changed when I whacked around catchup &
notify to be based on latches ([1] and following).


- Andres

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