Re: Prevent app to run twice.

[Kai Uwe Broulik]

Hi,

you can use KDBusService in KDBusAddons [1] which does that for you.

Cheers, 
Kai Uwe

[1] 
http://api.kde.org/frameworks-api/frameworks5-apidocs/kdbusaddons/html/classKDBusService.html