Is anyone working on this?
Tom Lane wrote:
> korry <korry@appx.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?
>
Here's a simple patch that fixes the problem (I haven't explored the performance of this patch compared to Tom's suggestion).
-- Korry