Horton

Re: Support to define custom wait events for extensions

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Masahiro Ikeda <ikedamsh@oss.nttdata.com>
Cc: Michael Paquier <michael@paquier.xyz>, Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, Tristan Partin <tristan@neon.tech>, pgsql-hackers@lists.postgresql.org
Date: 2023-08-09T14:41:51Z
Lists: pgsql-hackers 
Hi,

On 2023-08-09 20:10:42 +0900, Masahiro Ikeda wrote:
> * Is there any way to not force extensions that don't use shared
>   memory for their use like dblink to acquire AddinShmemInitLock?;

I think the caller shouldn't need to do deal with AddinShmemInitLock at all.

Greetings,

Andres Freund

Commits

  1. Change custom wait events to use dynamic shared hash tables

  2. Support custom wait events for wait event type "Extension"

  3. Add WAIT_EVENT_{CLASS,ID}_MASK in wait_event.c

  4. worker_spi: Switch to TAP tests

  5. Simplify some conditions related to [LW]Lock in generate-wait_event_types.pl