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Date: Sun, 10 Jun 2012 21:54:41 -0500
From: "Yaakov (Cygwin/X)" <yselkowitz AT users DOT sourceforge DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: Performance problems with emacs-X11 in current cygwin
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On 2012-06-10 19:45, Ken Brown wrote:
> The bisection shows that the first problematic commit is this one:
>
> http://git.gnome.org/browse/glib/commit/?h=glib-2-32&id=7eae486179e2799c369ed9ffcea663bf9161ce79
>
>
> Author: Ryan Lortie <desrt AT desrt DOT ca>
> Date: Wed Aug 31 22:07:02 2011 -0400
>
> GMain: simplify logic for g_wakeup_acknowledge()
>
> Instead of messing around with context->poll_waiting, just look at the
> GPollFD to see if the GWakeup needs to be acknowledged.
>
> In case anyone else wants to confirm this, you can get my glib builds by
> running
>
> setup.exe -K http://sanibeltranquility.com/cygwin/kbrown.gpg
>
> and adding http://sanibeltranquility.com/cygwin to the list of mirrors.
> The problematic version is
>
> libglib2.0_0-2.30.90_7eae4861-1
>
> and the preceding version (without the problem) is
>
> libglib2.0_0-2.30.90_87880df-1
>
> I've tested the latter with emacs-23, emacs-24, and gvim.

Thanks for doing this.  Is this still only a problem with XP?  If so, it 
is most likely a bug in Cygwin itself.


Yaakov

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