bug#22789: 25.1.50; In last master build https connections stop working

[Eli Zaretskii]

> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
> Cc: a.s@realize.ch,  j_l_domenech@yahoo.com,  22789@debbugs.gnu.org
> Date: Sun, 06 Mar 2016 10:33:08 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >>       /* If status of something has changed, and no input is
> >>     available, notify the user of the change right away.  After
> >>     this explicit check, we'll let the SIGCHLD handler zap
> >>     timeout to get our attention.  */
> 
> [...]
> 
> > The comment above seems to explain what it does, no?
> 
> I don't understand it, or how it relates to calling pselect with a zero
> timeout.  :-)

It wants to poll, so it sets the time-out at zero, meaning "don't wait
at all".  Or am _I_ missing something?