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path: root/src/rabbit_amqqueue_sup.erl
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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (the "License"); you may not use this file except in
%% compliance with the License. You may obtain a copy of the License
%% at https://www.mozilla.org/MPL/
%%
%% 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.
%%
%% The Original Code is RabbitMQ.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2020 Pivotal Software, Inc.  All rights reserved.
%%

-module(rabbit_amqqueue_sup).

-behaviour(supervisor2).

-export([start_link/2]).

-export([init/1]).

-include("rabbit.hrl").

%%----------------------------------------------------------------------------

-spec start_link(amqqueue:amqqueue(), rabbit_prequeue:start_mode()) ->
          {'ok', pid(), pid()}.

start_link(Q, StartMode) ->
    Marker = spawn_link(fun() -> receive stop -> ok end end),
    ChildSpec = {rabbit_amqqueue,
                 {rabbit_prequeue, start_link, [Q, StartMode, Marker]},
                 intrinsic, ?WORKER_WAIT, worker, [rabbit_amqqueue_process,
                                                rabbit_mirror_queue_slave]},
    {ok, SupPid} = supervisor2:start_link(?MODULE, []),
    {ok, QPid} = supervisor2:start_child(SupPid, ChildSpec),
    unlink(Marker),
    Marker ! stop,
    {ok, SupPid, QPid}.

init([]) -> {ok, {{one_for_one, 5, 10}, []}}.