[Deskbar] Re: Gnome 2.14 Module Proposal: Deskbar Applet

[Rodrigo Moya <rodrigo gnome-db org>]

On Thu, 2005-10-27 at 15:39 +0100, Jamie McCracken wrote:
> Benoît Dejean wrote:
> > Le jeudi 27 octobre 2005 à 13:32 +0100, Gustavo J. A. M. Carneiro a
> > écrit :
> > 
> >>Qui, 2005-10-27 às 11:05 +0200, Benoît Dejean escreveu:
> >>  The result: a single process (per user, per display), and a single
> >>main loop, for all applets.  Of course this means if one applet
> >>deadlocks or dies, they all die.  But at least dying in python is not so
> >>easy.  You usually get only an exception that is ignored.  Deadlock is
> >>easier if they use threads.
> > 
> > 
> > We don't do it for C applets because if "one applet deadlocks or dies,
> > they all die". But thanks for raising the problem of many VM-based
> > applets : currently, 3 applets would take ~ 50MB of RES memory.
> > 
> >
> 
> Yes the real problem with panel applets is that they are out of process 
> apps which regardless of the language they are written in are always 
> going to be inefficient memory wise to some degree even when written in C.
> 
> The best solution is to run all panel apps in-process in their own 
> threads (IE make a panel applet a GTKWidget that's threadsafe). We also 
> get rid of Corba/bonobo by doing so which is always a plus. The 
> drawbacks as stated should not really be a problem if the applets are 
> properly debugged (at least so they dont seg fault)
> 
as a first step, doing all applets .so bonobo components instead of
processes should save a lot of memory also.

There's always though the problem that if one applet crashes, all the
panel would crash
-- 
Rodrigo Moya <rodrigo gnome-db org>