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diff --git a/src/cowboy_listener_sup.erl b/src/cowboy_listener_sup.erl
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+%% Copyright (c) 2011, Loïc Hoguin <[email protected]>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(cowboy_listener_sup).
+-behaviour(supervisor).
+
+-export([start_link/5]). %% API.
+-export([init/1]). %% supervisor.
+
+%% API.
+
+-spec start_link(NbAcceptors::non_neg_integer(), Transport::module(),
+	TransOpts::term(), Protocol::module(), ProtoOpts::term())
+	-> {ok, Pid::pid()}.
+start_link(NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
+	case Transport:listen(TransOpts) of
+		{ok, LSocket} ->
+			supervisor:start_link(?MODULE, [LSocket,
+				NbAcceptors, Transport, Protocol, ProtoOpts]);
+		{error, Reason} ->
+			{error, Reason}
+	end.
+
+%% supervisor.
+
+%% @todo These specs should be improved.
+-spec init(list(term())) -> term().
+init([LSocket, NbAcceptors, Transport, Protocol, ProtoOpts]) ->
+	Procs = [{{acceptor, self(), N}, {cowboy_acceptor, start_link,
+		[LSocket, Transport, Protocol, ProtoOpts]}, permanent,
+		brutal_kill, worker, dynamic} || N <- lists:seq(1, NbAcceptors)],
+	{ok, {{one_for_one, 10, 10}, Procs}}.