Re: add function for creating/attaching hash table in DSM registry - Mailing list pgsql-hackers

From Rahila Syed
Subject Re: add function for creating/attaching hash table in DSM registry
Date
Msg-id CAH2L28sBgtmixWUHFMkY=HvYB2oE4oxGJGn1t1PPkNL8M78ZQg@mail.gmail.com
Whole thread Raw
In response to Re: add function for creating/attaching hash table in DSM registry  (Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>)
Responses Re: add function for creating/attaching hash table in DSM registry
List pgsql-hackers
Hi,

Thank you for proposing this enhancement to the DSM registry. It will make it easier
to use dshash functionality.


While trying to port some existing DSMR code, I came across this limitation:

How can one dsa_allocate in the same area as the returned dshash_table ?
in other words: shouldn't the state->dsa_handle be returned somehow ?


+1. FWIW, Having used the DSA apis in my code, I think having the registry return
the mapped dsa address or dsa handle will benefit users who use dsa_allocate
to allocate smaller chunks within the dsa.

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