From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Daniel Gustafsson <daniel@yesql.se>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: byavuz81@gmail.com, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Cc: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Cc: Michael Paquier <michael@paquier.xyz>
Subject: Re: BUG #17391: While using --with-ssl=openssl and PG_TEST_EXTRA='ssl' options, SSL tests fail on OpenBSD 7.0
Date: Thu, 10 Feb 2022 17:54:55 -0800
Message-ID: <20220211015455.mkl6cvstttp5zfco@alap3.anarazel.de> (raw)
In-Reply-To: <1955929.1644542728@sss.pgh.pa.us>
References: <C44CE9FB-B37E-47D3-924B-4AF808AE98B1@yesql.se>
<887CBA28-0942-4084-BE09-FBE0D6A1DB53@yesql.se>
<621771.1644098845@sss.pgh.pa.us>
<635760.1644108785@sss.pgh.pa.us>
<1113966.1644280235@sss.pgh.pa.us>
<C112C400-2CB5-4DCA-A699-00DC0333B665@yesql.se>
<1537890.1644462214@sss.pgh.pa.us>
<1952254.1644540297@sss.pgh.pa.us>
<20220211011025.ek7exh6owpzjyudn@alap3.anarazel.de>
<1955929.1644542728@sss.pgh.pa.us>
Hi,
On 2022-02-10 20:25:28 -0500, Tom Lane wrote:
> I was staring at that for awhile too. It's my own code (from 1f39a1c0641)
> but it sure confuses me now; at the very least the code is not in sync
> with the comment. However, it's been that way for a couple years now and
> we've not had complaints suggesting it's broken, so maybe it's the comment
> that's wrong.
I wonder if it could be part of the whole "walreceiver on windows not noticing
connection death" business. Libpq internally gets a write failure, defers
reporting it, we end up in libpqrcv_PQgetResult(), which will call PQisBusy()
returning true due to write_failure, which then causes us to wait for incoming
socket IO. But WaitEventForMultipleObjects() will not be signalled again due
to the the edge triggered nature of FD_CLOSE.
Greetings,
Andres Freund
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Cc: andres@anarazel.de, tgl@sss.pgh.pa.us, daniel@yesql.se, thomas.munro@gmail.com, pgsql-bugs@lists.postgresql.org, heikki.linnakangas@iki.fi, michael@paquier.xyz
Subject: Re: BUG #17391: While using --with-ssl=openssl and PG_TEST_EXTRA='ssl' options, SSL tests fail on OpenBSD 7.0
In-Reply-To: <20220211015455.mkl6cvstttp5zfco@alap3.anarazel.de>
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