On Mon, Jan 10, 2022 at 8:06 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> On Mon, Jan 10, 2022 at 12:00 AM Alexander Lakhin <exclusion@gmail.com> wrote:
> > Going down through the call chain, I see that at the end of it
> > WaitForMultipleObjects() hangs while waiting for the primary connection
> > socket event. So it looks like the socket, that is closed by the
> > primary, can get into a state unsuitable for WaitForMultipleObjects().
>
> I wonder if FD_CLOSE is edge-triggered, and it's already told us once.
Can you reproduce it with this patch?