Op 26-10-16 om 12:22 schreef pozz: > Il 26/10/2016 09:13, pozz ha scritto: > > [...] >> When the user press Start button (the pressed handler is in the GUI >> class): >> >> self.comm_active = True >> threading.Thread(target=self.comm_thread).start() >> >> The backend thread is: >> >> def comm_thread(self): >> while self.comm_active: >> self.device.get_status() >> GLib.idle_add(self.polling_received) >> time.sleep(1) >> self.m.close() > > [...] > > Now I have some concerns even in using self.comm_active. It is a boolean > variable > accessed by the GUI thread (inside Start/Stop buttons handler) and backend > thread > (in the "while self.comm_active" instruction).
> Is it safe to access this variable from two different threads? > Should I implement a safer and more complex mechanism? If yes, what > mechanism? Accessing from multiple thread shouldn't be a problem. As long as you only change it in one thread. -- https://mail.python.org/mailman/listinfo/python-list