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

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: a.s@realize.ch,  j_l_domenech@yahoo.com,  22789@debbugs.gnu.org
> Date: Wed, 02 Mar 2016 18:03:57 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > So what you can do instead of launching a timer is this: as long as
> > some process waits for some sync stuff to complete, reduce the timeout
> > with which we call 'pselect' to some reasonably small value, like half
> > a second or maybe 0.25 sec.  This will ensure the loop doesn't stop as
> > long as we wait for at least one such connection.  (This will need a
> > simple logic to not exit the loop too early; see the variable
> > timeout_reduced_for_timers for a similar logic we employ already for
> > timers.)
> 
> Aha!  With the following (for debugging purposes only) patch, it looks
> like I'm getting progress on my https connections even if I don't have a
> blinking cursor.  (I chose 50ms as my timeout, if I counted my zeroes
> correctly...)  Were you thinking about something along these lines?

Yes.