Support timeout for stopping pools #55
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terry-xiaoyu
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zmstone
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zmstone
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Nov 26, 2024
src/ecpool_sup.erl
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| case process_info(Pid, [dictionary, status, current_function]) of | ||
| [{dictionary, Dicts}, {status, Status}, {current_function, CurrFunc}] -> | ||
| case proplists:get_value('$initial_call', Dicts) of | ||
| {supervisor, ecpool_pool_sup, _} -> | ||
| case {Status, CurrFunc} of | ||
| {waiting, {proc_lib, _, _}} -> | ||
| {ok, Pid}; | ||
| _ -> | ||
| {error, not_stuck_in_start} | ||
| end; | ||
| _ -> | ||
| search_ecpool_pool_sup_process(Rest) | ||
| end; |
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this is too error-prone, can we force the potential processes to be killed with a special key in processes dictionary ?
e.g. put('$ecpool_force_kill', true).
and with a OTP_RELEASE compile switch, we can use process label for the same purpose.
https://www.erlang.org/doc/apps/stdlib/proc_lib.html#set_label/1
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Here I want to only kill the ecpool_pool_sup processes stuck in its init() callbacks.
In this case it should be calling proc_lib:sync_start/2 (OTP 26+) or proc_lib:sync_start_link/2 (OTP 24), so I'd like to match {current_function, [{proc_lib, _, _}]} here.
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