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 ( and following).  https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=59f71a0d0b56b2df48db4bf1738aece5551f7a47 - Andres -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers