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Re: Xlogprefetcher: Use atomic add for increment counter - Mailing list pgsql-hackers

From Andres Freund
Subject Re: Xlogprefetcher: Use atomic add for increment counter
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Msg-id llqqqxwalc3p7manuoehxsgosegtxzmjnqarghp36jiy7rdgdn@gurddwvx46o6
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In response to Xlogprefetcher: Use atomic add for increment counter  (Ranier Vilela <ranier.vf@gmail.com>)
Responses Re: Xlogprefetcher: Use atomic add for increment counter
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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.

Greetings,

Andres Freund

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