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Re: introduce dynamic shared memory registry - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: introduce dynamic shared memory registry
Date
Msg-id 20231219160117.GB831499@nathanxps13
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In response to Re: introduce dynamic shared memory registry  (Andrei Lepikhov <a.lepikhov@postgrespro.ru>)
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On Mon, Dec 18, 2023 at 03:32:08PM +0700, Andrei Lepikhov wrote:
> 3. The dsm_registry_init_or_attach routine allocates a DSM segment. Why not
> create dsa_area for a requestor and return it?

My assumption is that most modules just need a fixed-size segment, and if
they really needed a DSA segment, the handle, tranche ID, etc. could just
be stored in the DSM segment.  Maybe that assumption is wrong, though...

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

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