title: How to check if Linux console screensaver has blanked screen
body: <p>is there a way to check programmatically (via ioctl(), etc.) or by reading a file in /sys, /proc or /dev) whether the screen has been blanked by the Linux console screensaver?</p>
  
  <p>Thanks and best regards,</p>
  
  <p>Günter</p>