GNU bug report logs - #50043
28.0.50; USABLE_SIGOI undef code paths do not work correctly

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Package: emacs;

Reported by: Lars Ingebrigtsen <larsi <at> gnus.org>

Date: Fri, 13 Aug 2021 11:57:01 UTC

Severity: normal

Found in version 28.0.50

Done: Ken Brown <kbrown <at> cornell.edu>

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 50043 <at> debbugs.gnu.org
Subject: bug#50043: 28.0.50; USABLE_SIGOI undef code paths do not work correctly
Date: Fri, 13 Aug 2021 16:31:52 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

> can you tell where does it hang, and why?  Bonus points for explaining
> why the same scenario doesn't hang for USABLE_SIGIO platforms.

It's hanging here:

x_get_foreign_selection (Lisp_Object selection_symbol, Lisp_Object target_type,
			 Lisp_Object time_stamp, Lisp_Object frame)
{
[...]
  wait_reading_process_output (secs, nsecs, 0, false,
			       reading_selection_reply, NULL, 0);

That is, it's not really hanging hanging, but this sometimes takes a
couple of seconds without SIGIO, while it returns instantaneously with
SIGOI.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 245 days ago.

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