Re: postmaster.pid also contains shared memory key

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Yong Huang <yong321(at)yahoo(dot)com>, pgsql-docs(at)lists(dot)postgresql(dot)org, Michael Paquier <michael(at)paquier(dot)xyz>
Subject: Re: postmaster.pid also contains shared memory key
Date: 2026-11-02 05:05:13
Message-ID: 4dd0f7cfdd0a828e3c6ce0a6e4c6a2446b2b9602.camel@cybertec.at
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On Mon, 2026-11-02 at 09:21 +0900, Fujii Masao wrote:
> On Mon, Nov 2, 2026 at 4:16 AM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
> > Pushed, thanks.
>
> Thanks for working on this!
>
> I think it's better to also clarify the postmaster status and note that
> the shared memory field is empty on Windows. Attached is a follow-up
> patch documenting both and adding the segment ID to the pidfile.h comment.
> Thought?

I think that your patch is a clear improvement.

Yours,
Laurenz Albe

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