emqx4.3/src/emqx_kernel_sup.erl

%%--------------------------------------------------------------------
%% Copyright (c) 2018-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% 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.
%%--------------------------------------------------------------------

-module(emqx_kernel_sup).

-behaviour(supervisor).

-export([start_link/0]).

-export([init/1]).

start_link() ->
    supervisor:start_link({local, ?MODULE}, ?MODULE, []).

init([]) ->
    {ok, {{one_for_one, 10, 100},
          [child_spec(emqx_global_gc, worker),
           child_spec(emqx_pool_sup, supervisor),
           child_spec(emqx_hooks, worker),
           child_spec(emqx_stats, worker),
           child_spec(emqx_metrics, worker),
           child_spec(emqx_ctl, worker),
           child_spec(emqx_zone, worker)]}}.

child_spec(M, Type) ->
    child_spec(M, Type, []).

child_spec(M, worker, Args) ->
    #{id       => M,
      start    => {M, start_link, Args},
      restart  => permanent,
      shutdown => 5000,
      type     => worker,
      modules  => [M]
     };

child_spec(M, supervisor, Args) ->
    #{id       => M,
      start    => {M, start_link, Args},
      restart  => permanent,
      shutdown => infinity,
      type     => supervisor,
      modules  => [M]
     }.