-module(pp). -behaviour(gen_server). -compile(export_all). -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]). init([]) -> {ok, "value"}. start_link() -> gen_server:start_link({local, ?MODULE}, ?MODULE, [], [{debug,[trace]}]). start() -> gen_server:start({local, ?MODULE}, ?MODULE, [], [{debug,[trace]}]). alloc(Pid) -> gen_server:call(?MODULE, {alloc, Pid}). handle_call({alloc, Pid}, From, State) -> {noreply, State}. handle_cast(_Msg, State) -> {noreply, State}. handle_info(_Info, State) -> {noreply, State}. terminate(_Reason, _State) -> ok. code_change(_OldVsn, State, Extra) -> {ok, State}.