-module(myring).

-export([start/1, start_proc/2]).

start(Num) ->
    start_proc(Num, self()).

start_proc(0, Pid) ->
    Pid ! ok;

start_proc(Num, Pid) ->
    NPid = spawn(?MODULE, start_proc, [Num-1, Pid]),
    NPid ! ok,
    receive ok -> ok end.