Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Is this correct in autovacuum.c?
>           pqsignal(SIGALRM, handle_sig_alarm);
> Should it be SIG_IGN?

Absolutely not.  autovacuum takes locks just like a backend and has to
be able to handle deadlock timeout checks.

                        regards, tom lane

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