code: function(bean, tagTask) {
  
          var jobObjList = _getCurrentJobList();
          var emitter = engine.kill(jobObjList);
  
          if (debugMode) warehouse.view();
  
  
          return emitter;
      }
docs: Try to kill all sbatch jobs of this process,
  exposes 4 events:
  'cleanExit' : all jobs were succesfully killed
  'leftExit'  : some jobs could not be killed
  'emptyExit' : no jobs  to kill
  'cancelError' : an error occur while killing
  'listError': an error occur  while listing processes corresponding to pending jobs