anchor.diff:       mix_up_ports, otp_5112, otp_5119,
        exit_status_multi_scheduling_block, ports, spawn_driver,
        spawn_executable, close_deaf_port, unregister_name,
  +     port_setget_data,
        parallelism_option].
   
   groups() -> 
  
positive.code: 	    {comment, "Could not spawn more than " ++ integer_to_list(N) ++ " OS processes."}
      end.
  
  wait_until(Fun) ->
      case catch Fun() of
  	true ->
  
negative.code: 	 mix_up_ports/1, otp_5112/1, otp_5119/1, otp_6224/1,
  	 exit_status_multi_scheduling_block/1, ports/1,
  	 spawn_driver/1, spawn_executable/1, close_deaf_port/1,
  	 port_setget_data/1,
  	 unregister_name/1, parallelism_option/1]).
  
  -export([do_iter_max_ports/2]).
  