docs: def kill_longrunning(config):
      '''
          Terminate everything under the current user account
          that has run too long. This is a final safeguard if
          the subprocess timeout stuff is not working.
          You better have no production servers running also
          under the current user account ...
      '''
      import psutil
      ourpid = os.getpid()
      username = psutil.Process(ourpid).username
      # Check for other processes running under this account
      # Take the timeout definition from the config file
      timeout = config.getint("Execution", "timeout")
      for proc in psutil.process_iter():
          if proc.username == username and proc.pid != ourpid:
              runtime = time.time() - proc.create_time
              logger.debug("This user already runs %u for %u seconds." %
                           (proc.pid, runtime))
              if runtime > timeout:
                  logger.debug("Killing %u due to exceeded runtime." % proc.pid)
                  try:
                      proc.kill()
                  except Exception:
                      logger.error("ERROR killing process %d." % proc.pid)