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gen_server_proxy lib gen_server proxy stopper.ex
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lib/gen_server/proxy/stopper.ex

defmodule GenServer.Proxy.Stopper do
alias GenServer.Proxy.{Log, Timer}
@spec stop(term, term, module) :: :ok | {:error, term}
def stop(reason, server_id, module) do
server = module.server_name(server_id)
try do
GenServer.stop(server, reason)
catch
:exit, exit_reason ->
:ok = Log.error(:exit, {server, exit_reason, __ENV__})
Timer.wait(server, exit_reason)
try do
GenServer.stop(server, reason)
catch
:exit, exit_reason ->
:ok = Log.error(:exit, {server, exit_reason, __ENV__})
module.server_unregistered(server_id)
{:error, reason}
end
end
end
end