bug#17392: 24.3.90; cursor blinks faster and faster

[Eli Zaretskii]

> From: Lennart Borgman <lennart.borgman@gmail.com>
> Date: Tue, 13 May 2014 20:50:13 +0200
> Cc: Michael Heerdegen <michael_heerdegen@web.de>, 17392@debbugs.gnu.org
> 
> >> What could be done to make this easier is checking the return value of
> >> every single system call.
> >
> > There are no system calls involved in the code in question.
> 
> 
> I really do not know. How about reading keyboard input, mouse events,
> frame dito?

We are talking about idle timers.  Idle timers run when there's no
input of any kind.