Anno domini 2019 Mon, 04 Nov 15:48:37 +0100 deloptes scripsit: > Michele Calgaro via trinity-devel wrote: > > > what exactly is that you would like to achieve? You question is not very > > clear. Are you talking about start/stop control of a process and sub > > processes or do you want to exchange data in a sync way with another > > process? Or something else? > > When I start the application it should check if a specific program is > already started by the system or by other user - it doesn't matter. If this > program was started - do nothing, if the program is not started - the user > can decide to start it or not. > > I read in the TQProcess documentation and some good articles, but I do not > see a trivial way. I think I'll have to try communication with the program > (dbus) and if the program answers it means it is running if not ... the > user can decide what to do. I think this is the only "proper" way from what > I understood. The thing is that it should be done by the program itself. > I was hoping KUniqueApplication would do the work, but obviously it doesn't > (I didn't have time to see why). So I think I'll stick to following > algorithm > Start > try dbus > if dbus instance exists, then exit > if dbus instance does not exist, start new instance. > > regards What about using "pidof" inside a popen() call? If returns number -> program lives, if not, it's not running. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: trinity-devel-unsubscribe@xxxxxxxxxxxxxxxxxxxxxxxxxx > For additional commands, e-mail: trinity-devel-help@xxxxxxxxxxxxxxxxxxxxxxxxxx > Read list messages on the web archive: http://trinity-devel.pearsoncomputing.net/ > Please remember not to top-post: http://trinity.pearsoncomputing.net/mailing_lists/#top-posting > > -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ... --------------------------------------------------------------------- To unsubscribe, e-mail: trinity-devel-unsubscribe@xxxxxxxxxxxxxxxxxxxxxxxxxx For additional commands, e-mail: trinity-devel-help@xxxxxxxxxxxxxxxxxxxxxxxxxx Read list messages on the web archive: http://trinity-devel.pearsoncomputing.net/ Please remember not to top-post: http://trinity.pearsoncomputing.net/mailing_lists/#top-posting
