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41 lines
1.7 KiB
41 lines
1.7 KiB
-module(template).
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%% sup行为模块
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-behaviour(supervisor).
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-export([start_link/0]).
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-export([init/1]).
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-define(SERVER, ?MODULE).
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start_link() ->
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supervisor:start_link({local, ?SERVER}, ?MODULE, []).
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% 主管的孩子被定义为孩子规格列表 。当主管启动时，将根据此列表从左到右依次启动子进程。主管终止时，它首先以相反的启动顺序从右到左终止其子进程。
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% sup_flags() =
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% #{
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% strategy => strategy(), % optional one_for_one | one_for_all | rest_for_one | simple_one_for_one
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% intensity => non_neg_integer(), % optional MaxR 周期时间内最大重启次数
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% period => pos_integer() % optional MaxT 重启时间周期 MaxT里重启次数大于MaxR
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% }
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% child_spec() =
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% #{
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% id => child_id(), % mandatory Id用来内部标识子规范
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% start => mfargs(), % mandatory {M，F，A}
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% restart => restart(), % optional permanent(总是重启) | transient(异常关闭会重启即关闭原因非 normal,shutdown,{shutdown,Term}) | temporary(不会重启)
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% shutdown => shutdown(), % optional brutal_kill | infinity | integer
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% type => worker(), % optional supervisor | worker
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% modules => modules() % optional [Module] 假如子进程是supervisor、gen_server 或 gen_fsm，那么Module 是回调模块的名称；假如子进程是gen_event，那么Modules 应该是dynamic
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% }
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init([]) ->
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SupFlags =
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#{
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strategy => one_for_all,
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intensity => 0,
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period => 1
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},
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ChildSpecs =
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[],
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{ok, {SupFlags, ChildSpecs}}.
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