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%% ``Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
%% AB. All Rights Reserved.''
%%
%%     $Id$
%%
-module(u).


-behaviour(gen_server).

-vsn(1).

%% External exports
-export([start_link/0, u/0]).
%% Internal exports
-export([init/1, handle_call/3, handle_info/2, terminate/2]).

start_link() -> gen_server:start_link({local, uu}, u, [], []).

u() -> gen_server:call(uu, u).

%%-----------------------------------------------------------------
%% Callback functions from gen_server
%%-----------------------------------------------------------------
init([]) ->
    process_flag(trap_exit, true),
    {ok, state}.

handle_call(u, _From, State) ->
    X = application:get_all_env(u),
    {reply, {X,State}, State}.

handle_info(_, State) ->
    {noreply, State}.

terminate(_Reason, _State) ->
    ok.