stop/start /dev/fb0 usage



  • Hello,

    I would like to ask if there is some way I can turn on/off grahics (/dev/fb0) in qtapplication, in such a way that the application will still be alive, although no graphic will be shown.
    If such a feature exist it will help me a lot.

    Regards,
    Ran


  • Lifetime Qt Champion

    Hi,

    Do you mean stop the GUI rendering or just have the screen black ?



  • not to hijack a topic, but... well ok exactly that... I'd like to release fb0 before closing my app (potentially in a KILL signal handler). The rest of the system is character based and wants stdout to print characters to the screen when I am not running the GUI app.

    It would also be nice to release the frame buffer if an app was idle.


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