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bug#17392: 24.3.90; cursor blinks faster and faster
From: |
Michael Heerdegen |
Subject: |
bug#17392: 24.3.90; cursor blinks faster and faster |
Date: |
Wed, 14 May 2014 17:36:46 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.90 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> Actually, this is inaccurate: blink-cursor-timer-function, which runs
> off a regular (non-idle) timer, sometimes calls blink-cursor-suspend,
> which cancels the blink-cursor-idle-timer.
>
> But this looks perfectly normal, and indeed if Michael's advice runs
> when the idle timer expired, it might find that the idle timer that
> runs was already deleted from timer-idle-list, because we invoke the
> timers from a copy of the list. If this is what happens, then what
> Michael's code reveals is an artifact of a perfectly normal and
> expected operation.
Could something the following happen?
1. blink-cursor-idle-timer is bound to the only idle blink timer,
everything is fine.
2. timer-idle-list is `copy-sequenc'ed.
3. The idle timer is canceled. `blink-cursor-idle-timer' is now bound
to nil.
4. The old timer from 2. is called with timer-event-handler.
Note that as a side effect, the timer is pushed back to timer-idle-list,
but `blink-cursor-idle-timer' is still bound to nil.
5. `blink-cursor-check' is run. It sees that `blink-cursor-idle-timer'
is nil and starts another idle timer.
Michael.
- bug#17392: 24.3.90; cursor blinks faster and faster, (continued)
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Lennart Borgman, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Lennart Borgman, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Lennart Borgman, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Stefan Monnier, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/13
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster,
Michael Heerdegen <=
- bug#17392: 24.3.90; cursor blinks faster and faster, Michael Heerdegen, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Michael Heerdegen, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Lennart Borgman, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Lennart Borgman, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Lennart Borgman, 2014/05/14
- bug#17392: 24.3.90; cursor blinks faster and faster, Eli Zaretskii, 2014/05/15