Add a new backend process

Started by Amir Abdollahiover 15 years ago2 messages
#1Amir Abdollahi
amirabd2130@yahoo.com

Hello,

I want to add a new backend process to postgres, to
include my own auditing modules.
How can i do that, also how can i
signal it after!
Sorry if this is very general question!

I
didn't find any source to learn these things in postgres.

thanks
in advance

#2Florian Pflug
fgp@phlo.org
In reply to: Amir Abdollahi (#1)
Re: Add a new backend process

On Jun 16, 2010, at 8:47 , Amir Abdollahi wrote:

I want to add a new backend process to postgres, to include my own auditing modules.
How can i do that, also how can i signal it after!

The existing auxiliary processes (in 8.4) and their entry points are
autovacuum (autovacuum.c, AutoVacLauncherMain)
bgwriter (bgwriter.c, BackgroundWriterMain)
walwriter (walwriter.c, WalWriterMain)
startup/recovery (xlog.c, StartupProcessMain)

You should probably compare the characteristics of these processes (when are they launched, how do they interface with the database, ...) to your requirements. Pick the best-matching candidate and start by copying what it does.

best regards,
Florian Pflug