From: Nathan Bossart <nathandbossart@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Nathan Bossart <nathan@postgresql.org>
Cc: pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Move named LWLock tranche requests to shared memory.
Date: Tue, 16 Sep 2025 23:10:34 -0500
Message-ID: <aMo0uqvCDEYmYMQD@nathan> (raw)
In-Reply-To: <aMoqphZNkFJ_iy_K@nathan>
References: <E1uwodL-000EuJ-2j@gemulon.postgresql.org>
<aMoejB3iTWy1SxfF@paquier.xyz>
<aMoqphZNkFJ_iy_K@nathan>
On Tue, Sep 16, 2025 at 10:27:34PM -0500, Nathan Bossart wrote:
> It looks like the postmaster is trying to access the request array after
> re-initializing shared memory, which of course fails. So, we need to keep
> the request array in postmaster's local memory, too. Attached is a quick
> attempt at a fix.
I was able to simplify the patch.
--
nathan
Attachments:
v2-0001-fix-LWLock-shmem-reinitialization.patch (text/plain, 0B) download
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To: pgsql-committers@postgresql.org
Cc: nathandbossart@gmail.com, michael@paquier.xyz, nathan@postgresql.org, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Move named LWLock tranche requests to shared memory.
In-Reply-To: <aMo0uqvCDEYmYMQD@nathan>
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