Re: Possible explanation for Win32 stats regression test

Is anyone working on this?

---------------------------------------------------------------------------

Tom Lane wrote:
> korry <korry(at)appx(dot)com> writes:
> > The problem is that, each time you go through
> > pgwin32_waitforsinglesocket(), you tie the *same* kernel object
> > (waitevent is static) to each socket.
>
> > The fix is pretty simple - just call WSAEventSelect( s, waitevent, 0 )
> > after WaitForMultipleObjectsEx() returns. That disassociates the socket
> > from the Event (it will get re-associated the next time
> > pgwin32_waitforsingleselect() is called.
>
> Hmm. Presumably we don't do this a whole lot (use multiple sockets) or
> we'd have noticed before. Perhaps better would be to keep an additional
> static variable saying which socket the event is currently associated
> to, and only issue the extra WSAEventSelect calls if we need to change
> it. Or is WSAEventSelect fast enough that it doesn't matter?
>
> Anyway, someone with a Windows machine needs to code and test this ...
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster

--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +