[maemo-developers] [maemo-developers] Adding swapon/off to Jakub's Load-Plugin applet

[From: Kimmo Hämäläinen]

On Thu, 2006-02-23 at 15:51, ext Jonathan Matthews-Levine wrote:
> On 2/23/06, Kimmo Hämäläinen <kimmo.hamalainen at nokia.com> wrote:
> > On Thu, 2006-02-23 at 15:01, ext Armin M. Warda wrote:
> > > On Thursday 23 February 2006 01:34, David D. Hagood wrote:
> > > > alterego at sdf.lonestar.org wrote:
> > > > >> Any suggestions?
> > > > >
> > > > > How about hooking swapoff to the hotplug event for the MMC card
> > > > > cover opening? Maybe even insertion also.
> > >
> > > Yes, I really would like to try this, but I do not know how this has
> > > to be done. Can anybody lend me a hand? (Of cause I would make
> > > this feature optional, with an enable/disable checkbox in the
> > > settings.)
> >
> > The easiest way is probably to use the GConf key
> > /system/osso/af/mmc-cover-open that is updated then the MMC cover is
> > opened and closed. GConf allows you to be notified when the value of the
> > key changes.
> 
> Shirley there's an issue where the "swapoff" operation takes longer
> than the physical "open cover // remove MMC" operation?

Yes, and if there is not enough RAM to swapoff, it will probably crash
some applications and daemons (even the kernel?), causing a reboot...

BR, Kimmo

> With an explicit toolbar click, at least you can put up an immediate
> prompt saying "don't remove the MMC!" and replace it with "Finished!"
> when the swapoff has completed ...
> 
> Cheers,
> Jonathan
> 
> --
> Don't anthropomorphize computers. They don't like it.
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