[Geany-devel] [ geany-Bugs-2519094 ] GFileMonitor and g_object_ref
ban-ubuntu at xxxxx
Sat Jan 24 21:57:41 UTC 2009
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Enrico Tröger a écrit :
> On Wed, 21 Jan 2009 21:55:33 +0100, Colomban Wendling
> <ban-ubuntu at club-internet.fr> wrote:
>> But I /can/ always reproduce the bug if I save and type at a very fast
>> speed, such as chain <letter><^S> about 4 times per second or so – but
>> who's saving its buffers between every letters when typing?
>> Now for me, if it remains possible to reproduce the bug, it seems not
>> in real world.
> Yes, it was also hard for me to reproduce but I got it.
> It happens when you save a document quickly after the last save
> process. The 'file has changed' notification takes a moment (I
> didn't measured it but I'd say something about 0.5-1 sec) until it is
> triggered. So there is a little time frame where the state is
> inconsistent and this time frame is hit when saving really fast
> continuously. For me, it is practically impossible to hit this in a
> normal work flow. But the time frame might be significantly larger on
> other systems, not sure by what factors it is influenced. One of the
> main factors is probably the used file alteration system, as mentioned
> before it can FAM, Gamin or nothing (i.e. usual file polling). And then
> FAM and Gamin can use the kernel's inotify (which probably only exists
> on Linux) or they also do just polling. And there are probably other
I've got it one time yesterday, but it was with an uncommon action
(resulting on saving 2 times in ~1sec). The I agree it is unstable and
not suitable for a release now.
But to solve the problem due to latency, can't a "stack" help? I mean
instead of just marking to ignore next notification, increment a
"notify_skip" when saving and decrement it on notification received,
then only use notification if notify_skip is equal to 0. I think it
should work if the problem is only receiving first notif after second
save, and it is pretty easy to implement as you said there's already a
I'll try that if I find fast how to do that.
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