code: def launch_new_checks(self):
          
          # queue
          for chk in self.checks:
              if chk.status not in [ACT_STATUS_QUEUED]:
                  continue
              logger.debug("Launch check: %s", chk.uuid)
              self._idletime = 0
              self.actions_launched += 1
              process = chk.execute()
              # Maybe we got a true big problem in the action launching
              if process == 'toomanyopenfiles':
                  # We should die as soon as we return all checks
                  logger.error("I am dying because of too many open files: %s", chk)
                  self.i_am_dying = True
              else:
                  if not isinstance(process, string_types):
                      logger.debug("Launched check: %s, pid=%d", chk.uuid, process.pid)
docs: Launch checks that are in status
          REF: doc/alignak-action-queues.png (4)
  
          :return: None