exec_sup.erl

%% erl -pa deps/exec/ebin -s exec
%%
%% c(exec_sup).
%% {ok, Pid} = exec_sup:start_link().
%%
%% ps -ef | grep sleep
%% killall sleep
%% ps -ef | grep sleep

-module(exec_sup).
-export([start_link/0]).
-behaviour(supervisor).
-export([init/1]).
-export([exec_sleep/0]).

start_link() ->
    supervisor:start_link(?MODULE, []).

init([]) ->
    {ok, {{one_for_one, 10, 10},
          [
           {sleep, {?MODULE, exec_sleep, []}, permanent, 5000, worker, [?MODULE]}
          ]}}.

exec_sleep() ->
    {ok, Pid, _} = exec:run_link("/bin/sleep 24h", []),
    {ok, Pid}.