make worker sup temporary

Author: davidsulc

lib/pool_toy/pool_man.ex

@@ -88,6 +88,7 @@ defmodule PoolToy.PoolMan do
 
   def handle_info(:start_worker_sup, %State{pool_sup: sup} = state) do
     {:ok, worker_sup} = Supervisor.start_child(sup, PoolToy.WorkerSup)
+    Process.link(worker_sup)
 
     state =
       state
@@ -107,6 +108,10 @@ defmodule PoolToy.PoolMan do
     end
   end
 
+  def handle_info({:EXIT, pid, reason}, %State{worker_sup: pid} = state) do
+    {:stop, {:worker_sup_exit, reason}, state}
+  end
+
   def handle_info({:EXIT, pid, _reason}, %State{workers: workers, monitors: monitors} = state) do
     case :ets.lookup(monitors, pid) do
       [{pid, ref}] ->

lib/pool_toy/worker_sup.ex

@@ -1,5 +1,5 @@
 defmodule PoolToy.WorkerSup do
-  use DynamicSupervisor
+  use DynamicSupervisor, restart: :temporary
 
   def start_link(args) do
     DynamicSupervisor.start_link(__MODULE__, args)