How to mesure the inactivity time

[Tim]

On Tue, 2009-03-03 at 11:41 +0100, Adel ESSAFI wrote:
> How ever, I am searching for more low level procedure. I mean, is
> there any event or interruption that the system produces then the user
> come leaves or take back his machine.

My suggestion would be to look into how the screensaver does the same
trick (not the display on the screen, but it's user-idle/active
monitoring).

-- 
[tim at localhost ~]$ uname -r
2.6.27.15-78.2.23.fc9.i686

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