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

[Alain Schneble]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Alain Schneble <a.s@realize.ch>
>> CC: <larsi@gnus.org>, <j_l_domenech@yahoo.com>, <22789@debbugs.gnu.org>
>> Date: Tue, 1 Mar 2016 16:36:03 +0100
>> 
>> There is one strange thing I'm observing though.  If I constantly hover
>> over the Window with the mouse, also then, not all images get downloaded
>> most of the time.  The reason then is, as mentioned in a previous post,
>> some of the gnutls_try_handshake calls return -10
>> GNUTLS_E_INVALID_SESSION.  So there must still be another issue, because
>> with the mouse hovering, it seems to me that it enters the loop enough
>> frequently to do TRT.
>
> I have no doubt there are w32 aspects to this problem.  But I see no
> reason to try debugging that as long as this machinery doesn't work
> well on Posix hosts, because we will bump into issues that have
> nothing to do with how w32 emulates Posix functionality.  Especially
> if we are now seriously discussing radical changes in the design (like
> running the handshake from a timer or such likes), which, if
> implemented will change the code significantly, and will no doubt
> affect what the w32 port needs (or doesn't meed) to do to support
> that.
>
> IOW, let's return to the w32-specific issues when the dust settles on
> the Posix code.

Ok, that sounds wise.