<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_olbkcmp2l6rl3u1ps2d305qq0q, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
// assumes frame is supposed to be visible right now
svoid waitForFrameClose(JFrame f) {
  new Var<Flag> flag;
  new CloseablesHolder closer;
  
  swing {
    if (!isVisible(f)) ret;
    flag.set(new Flag);
    closer.add(tempOnFrameClose(f, flag.raise()));
  }
  
  if (flag.has()) flag->waitUntilUp();
  close closer;
}