Horton

Re: Why is src/test/modules/committs/t/002_standby.pl flaky?

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Alexander Lakhin <exclusion@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Andrew Dunstan <andrew@dunslane.net>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-01-10T02:00:19Z
Lists: pgsql-hackers

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On Mon, Jan 10, 2022 at 8:06 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> On Mon, Jan 10, 2022 at 12:00 AM Alexander Lakhin <exclusion@gmail.com> wrote:
> > Going down through the call chain, I see that at the end of it
> > WaitForMultipleObjects() hangs while waiting for the primary connection
> > socket event. So it looks like the socket, that is closed by the
> > primary, can get into a state unsuitable for WaitForMultipleObjects().
>
> I wonder if FD_CLOSE is edge-triggered, and it's already told us once.

Can you reproduce it with this patch?

Commits

  1. Revert "graceful shutdown" changes for Windows.

  2. Revert "graceful shutdown" changes for Windows, in back branches only.