Horton

Re: [HACKERS] Optional message to user when terminating/cancelling backend

Michael Paquier <michael.paquier@gmail.com>

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From: Michael Paquier <michael.paquier@gmail.com>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Daniel Gustafsson <daniel@yesql.se>, Yugo Nagata <nagata@sraoss.co.jp>, Thomas Munro <thomas.munro@enterprisedb.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2018-01-25T01:10:39Z
Lists: pgsql-hackers 
On Wed, Jan 24, 2018 at 12:45:48PM -0300, Alvaro Herrera wrote:
> /me wonders if there's anything that would suggest to make this
> extensive to processes other than backends ...

That's a good thought. Now ProcessInterrupts() is not used by
non-backend processes. For example the WAL receiver has its own logic to
handle interrupts but I guess that we could have an interface which can
be plugged in for any processes, which is by default enabled for
bgworkers.
--
Michael

Commits

  1. Refactor user-facing SQL functions signalling backends

  2. Introduce 64-bit hash functions with a 64-bit seed.