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Re: 8.3RC1 on windows missing descriptive Event handle names

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Stephen Denne <Stephen(dot)Denne(at)datamail(dot)co(dot)nz>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: 8.3RC1 on windows missing descriptive Event handle names
Date: 2008-01-30 20:59:38
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Stephen Denne wrote:
> I said...
>> On Windows XP, using Process Explorer with the lower pane showing
>> Handles, not all postgres.exe processes are including an "Event"
>> type with a description of what the process is doing.
> I've had difficulty reproducing this, but I now suspect that it is
> only happening when running both v8.2 and v8.3rc1 at once, and I
> think it is the second started that is missing the process
> descriptions.

That makes sense, really - I think you nailed it. We create a global 
event, and for those that are "duplicates", it won't show up in the 
second process.

I think the solution to this is to add the process id to the name of the 
event. So instead of:
pgident: postgres: autovacuum launcher process
We'd ahve
pgident(12345): postgres: autovacuum launcher process

Seems reasomable? I'll be able to write up and properly test a patch 


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