From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
---|---|
To: | "korryd(at)enterprisedb(dot)com" <korryd(at)enterprisedb(dot)com> |
Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, pgsql-patches(at)postgresql(dot)org |
Subject: | Re: [HACKERS] Possible explanation for Win32 stats regression |
Date: | 2006-07-29 20:15:53 |
Message-ID: | 44CBC1F9.7050904@dunslane.net |
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Lists: | pgsql-hackers pgsql-patches |
korryd(at)enterprisedb(dot)com wrote:
>> heh. I was just doing it the way Tom suggested - see attached. With a
>> little more trouble we could also keep track if the listened for events
>> and sometimes save ourselves a second call to WSAEventSelect, but I'm
>> not sure it's worth it.
>>
>
> It all depends on the overhead of WSAEventSelect(). I'm sure your version would run faster, but I just don't know if "slower" would be measurable.
>
>
> BTW: I would suggest changing your comment to:
>
> /*
> * make sure we don't multiplex this kernel event object with a
> different socket
> * from a previous call
> */
>
> Thanks for tackling this problem too.
>
Ok. Applied to HEAD and 8.1 and 8.0 branches.
cheers
andrew
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