anchor.diff:          {error, Error} ->
               {error, Error}
       end.
  -
  -%% ------------------------------------------------------------------
  -%% Internal functions
  -%% ------------------------------------------------------------------
   
   update_job_node([]) ->
       ok;
  
positive.code:          start/1,
           get_process/1,
           get_job_processes/0,
           mark_incomplete_job_nodes_as_crashed/0,
           register_process/1]).
  
  %% Supervisor callbacks
  
negative.code:             false
      end.
  
  %% ------------------------------------------------------------------
  %% Internal functions
  %% ------------------------------------------------------------------
  
  -spec mark_incomplete_job_nodes_as_crashed() -> ok | {error, term()}.
  %% Find running job nodes associated with crashed jobs. Mark them as crashed in the db.
  mark_incomplete_job_nodes_as_crashed() ->
  