%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(group_leader).
-behaviour(gen_server).
%% External exports
-export([start_link/0, code_change/3]).
%% Internal exports
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2]).
start_link() -> gen_server:start_link({local,aa}, ?MODULE, [], []).
%%-----------------------------------------------------------------
%% Callback functions from gen_server
%%-----------------------------------------------------------------
init([]) ->
Self = self(),
Pid = spawn(fun() -> stupid_child(Self) end) ,
receive {Pid, registration_done} -> ok end,
process_flag(trap_exit, true),
{ok,state}.
handle_call(transient, _From, State) ->
X = application:get_all_env(transient),
{reply,X,State}.
handle_cast(transient, State) ->
{noreply, State}.
handle_info(_, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
stupid_child(Parent) ->
register(nisse, self()),
Parent ! {self(), registration_done},
receive
_Msg -> ok
end.
