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bug#15801: 24.3.50; bar scrolling freezes gtk emacs

From: Jarek Czekalski
Subject: bug#15801: 24.3.50; bar scrolling freezes gtk emacs
Date: Thu, 21 Nov 2013 08:25:15 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20120824 Thunderbird/15.0

W dniu 2013-11-21 07:00, Jan Djärv pisze:
It seems like Emacs stops receiving SIGIO.  If it is blocked or if Gtk+ stole 
the signal handler I don't know yet.

Sounds interesting, waiting for more info. I will be glad to learn more about signals. This is what I read on http://unixhelp.ed.ac.uk/CGI/man-cgi?signal+7, maybe it will be relevant:

       If more than one of the
threads has the signal unblocked, then the kernel chooses an arbitrary
       thread to which to deliver the signal.

There are several threads in action (some belonging to gtk), so this tells me Emacs cannot be sure to receive any kernel signal. Gtk uses the term signal for a different thing, it makes googling difficult.


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