Re: Xlogprefetcher: Use atomic add for increment counter

From: Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Xlogprefetcher: Use atomic add for increment counter
Date: 2025-11-07 14:52:37
Message-ID: CAEudQAoRHCYV5No6qNEUbrR-JCGakaB0xjN7BcXtv++dXyBD7w@mail.gmail.com
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Em sex., 7 de nov. de 2025 às 11:41, Andres Freund <andres(at)anarazel(dot)de>
escreveu:

> Hi,
>
> On 2025-11-07 11:28:06 -0300, Ranier Vilela wrote:
> > Use pg_atomic_fetch_add_u64 to replace pg_atomic_read_u64 and
> > pg_atomic_write_u64 calls.
> >
> > This simplifies the logic and this increases the likelihood that the
> > operation will be successful.
>
> How does it do so? As the assertions indicate, this can only be run from a
> single process.
>
Can I rephrase that?

That simplifies the logic a bit.

best regards,
Ranier Vilela

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