Excerpts from Heikki Linnakangas's message of jue ago 19 02:02:34 -0400 2010:
> On 19/08/10 04:46, Robert Haas wrote:
> > And so far we haven't seen a patch for that.
> > Somebody write one. And then let's get it reviewed and committed RSN.
>
> Fujii is on vacation, but I've started working on it. The two issues
> with Fujii's latest patch are that it would not respond promptly on
> platforms where signals don't interrupt sleep, and it suffers the
> classic race condition that pselect() was invented for. I'm going to
> replace pg_usleep() with select(), and use the so called "self-pipe
> trick" to get over the race condition. I have that written up but I want
> to do some testing and cleanup before posting the patch.
Hmm, IIRC the self-pipe trick doesn't work on Windows, mainly because
select() doesn't handle pipes, only sockets. You may need some extra
hack to make it work there.
--
Álvaro Herrera <alvherre@commandprompt.com>
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