KDE prev ... down? (ksmserver dcop interface)

Esben Mose Hansen kde at mosehansen.dk
Sun Jan 23 22:15:43 GMT 2005

On Sunday 23 January 2005 20:43, Andy Teijelo PĂ©rez wrote:
> I investigated a little more on this matter and found that when the power
> button is pressed, the following line is executed by root:
> dcop --all-sessions --all-users ksmserver ksmserver logout 0 2 0

> I don't know what those three int's mean in the logout method of the
> ksmserver dcop interface and the solution could be there.

You can look it up here 

Actually, maybe it would work by selecting ShutDownMode=ShutdownModeForceNow. 
I'm not sure what the docs mean by session.
> I thinks this is not a easy problem. If the user clicks the K button on the
> panel and then chooses to shutdown, it's fine if an application blocks
> waiting for the user to answer whether to save or discard a modified
> document. If the root user remotely decides to shutdown the machine, then

I think a better solution would be for the document to save all documents as 
drafts, and restore them upon restart. 

Never should the application be in a position where it can block a restart (a 
user pressing cancel is of course another matter). A sysadmin performing a 
remote shutdown would user the init anyway, and won't be hindered.

> no user should be able to cancel this process.
> When the user sitting in front of the computer is the only one using the
> machine, and he hits the power button of his computer case, it would be
> fine to block waiting for a user response to a dialog. But how is the

I don't think so. I dislike babysitting my computer. If I press shutdown, I 
expect the thing to go down. Timed dialogs are fine, but not blocking 

> system going to know who pressed the power button? The scripts called in
> that event run as root. What is the right thing to do?

See above. But assuming it's a user is not a bad thing... a sysadmin could 
just using the init's shutdown.

regards. Esben
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