Horton

Re: Injection points: some tools to wait and wake

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Postgres hackers <pgsql-hackers@lists.postgresql.org>
Cc: Ashutosh Bapat <ashutosh.bapat@gmail.com>
Date: 2024-02-19T07:51:45Z
Lists: pgsql-hackers

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On Mon, Feb 19, 2024 at 03:01:40PM +0900, Michael Paquier wrote:
> 0002 is a polished version of the TAP test that makes use of this
> facility, providing coverage for the bug fixed by 7863ee4def65
> (reverting this commit causes the test to fail), where a restart point 
> runs across a promotion request.  The trick is to stop the
> checkpointer in the middle of a restart point and issue a promotion
> in-between.

The CF bot has been screaming at this one on Windows because the
process started with IPC::Run::start was not properly finished, so
attached is an updated version to bring that back to green.
--
Michael

Commits

  1. Add PostgreSQL::Test::Cluster::wait_for_event()

  2. Add regression test for restart points during promotion

  3. injection_points: Add wait and wakeup of processes