number of workspaces : mcs dialog vs. desktop window menu

Jasper Huijsmans jasper at
Wed Nov 3 21:24:24 CET 2004

Brian J. Tarricone wrote:
> On 11/03/04 12:38, Jasper Huijsmans wrote:
>>On Wed, Nov 03, 2004 at 12:17:27PM +0100, Olivier Fourdan wrote:
>>>On Wed, 2004-11-03 at 11:55 +0100, Jasper Huijsmans wrote:
>>>>On Tue, Nov 02, 2004 at 01:29:06PM -0800, Brian J. Tarricone wrote:
>>>>Ok, updated xfce-mcs-manager to unload modules before exit and xfwm4 to re-add
>>>>the dynamic workspace change handlers.
>>>>Seems to work properly, but I don't think I saw the problems with it last
>>>>time, so it could do with some testing.
>>>The problem arised when we renamed the workspace plugin, two plugins
>>>managing the same channel were loaded. Therefore, the second was
>>>unloaded, but the callback was still active and pointing to dead code
>>>(which I see as a serious security issue)
>>Yes, indeed. That is definitely fixed now. The only thing I'm not sure about
>>it what happens when the manager is killed forcefully with 'kill -9'. The
>>netk_screen object is global so it still exists.
> not sure what you mean by that.  if you kill the mcs manager, it's gone,
> as is any memory that belonged to it (including the netk_screen).  there's
> no such thing as a "system global" variable or whatnot.  or am i missing
> what you're asking here?

Yeah, I supose you are right. The netk_screen is as a singleton object 
per screen (AFAIK), so I was wondering what would happen if you closed 
the app without disconnecting the handlers.

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