Hi,

I'd like to use processing to display some data from sensors.
While thinking about this and having a first look at processing, I did not find a way to add any shutdown hooks to free system resources.

Instead, in processing.core.PApplet.main(String[]), I found


Code:

Label label = new Label("stop");
        label.setForeground(stopColor);
        label.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
              System.exit(0);
            }
          });
 

and
Code:

frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
              System.exit(0);
            }
          });
 

which made me shiver.

Why don't you call applet.destroy() here, which lets the main thread exit gracefully instead of just shutting down the VM?

Or did I miss anything?

Regards,
Philipp

Hi Rajat,

I ended up modifying thr processing-core to suit my needs and use it instead of the original version.

Too bad, none of the original developers answered on this thread as I would be willing to discuss my changes and share it to the project.
Anybody listening?

Sorry. I usually lurk here but final exams and commencement left me without time to move on any of this. You can submit this as a bug here -- http://dev.processing.org/bugs/enter_bug.cgi?product=processing and submit your changes by zipping the source files and attaching them.

I'm not sure why the VM is shut down directly there, and I wonder if this may explain some problems I've been trying to sort out with a different bug. If you've already got a fix coded up I'd love to see it.


Edited: