I wrote:
> Isn't there some way we can get the timer completion routine to be run
> by the signal thread instead? This coding seems pretty unreliable to me
> even without QQ's patch.
After further thought it seems like the right thing to do is to redesign
port/win32/timer.c so that it sets up a separate thread whose
responsibility is to wait for timeouts and deliver a SIGALRM signal back
to the main thread when they happen. It's probably a bit late to
consider doing this for 8.1 :-(
I've temporarily disabled Qingqing's patch by the expedient of removing
the UNBLOCKED_SIGNAL_QUEUE() check in the macro, so that the out-of-line
routine is always called (since we're going to do a kernel call anyway,
one extra layer of subroutine call doesn't seem very important). We can
put it back after fixing timer.c.
regards, tom lane
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