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Re: Gnus encrypted connections hang

From: Dmitry Antipov
Subject: Re: Gnus encrypted connections hang
Date: Fri, 01 Aug 2014 11:13:31 +0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0

On 08/01/2014 03:23 AM, Ted Zlatanov wrote:

I also asked about the reason for introducing this change recently,
and if it can be made configurable and optional, at least.

The latter is done in trunk revision 117621.  If you suspect a weird
issue with timers, re-run with EMACS_IGNORE_TIMERFD environment
variable set (and report your problems, of course).

If there was no previous discussion, could you explain a bit?

Emacs' input reading is very complicated, and asynchronous signals
complicates it even more.  With timerfd and its counterpart signalfd,
it's (in theory) possible to build a completely synchronous event
loop and (hopefully) simplify a lot of things.  Unfortunately this
is GNU/Linux-specific.


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