Peter, you could also use shell() to parse the output of the ps command to check if your application is already running, and then exit a 2nd instance if one is found to be in the running processes.
Bernard On Sat, May 23, 2009 at 1:04 PM, Jan Schenkel <janschen...@yahoo.com> wrote: > I'm sure some Unix zealots might come and whack your fingers off if you try > and take that behaviour away from them ;-) > > Seriously, there's no built-in way to prevent it; but you can always employ a > crude locking mechanism by writing a myapp.lk file somewhere, and refusing to > open the application when that file is already present. > Or you can open a server socket on a fixed port, and quit if you fail to grab > that port; the added advantage of the socket approach being that you can use > the server socket to receive an 'open file' message from the second started > instance. > > Jan Schenkel _______________________________________________ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
