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;; Copyright (c) Rich Hickey and contributors. All rights reserved.
;; The use and distribution terms for this software are covered by the
;; Eclipse Public License 1.0 (
;; which can be found in the file epl-v10.html at the root of this distribution.
;; By using this software in any fashion, you are agreeing to be bound by
;; the terms of this license.
;; You must not remove this notice, or any other, from this software.
(ns clojure.core.async.impl.exec.threadpool
(:require [clojure.core.async.impl.protocols :as impl]
[clojure.core.async.impl.concurrent :as conc])
(:import [java.util.concurrent Executors Executor]))
(set! *warn-on-reflection* true)
(def ^:private pool-size
"Value is set via clojure.core.async.pool-size system property; defaults to 8; uses a
delay so property can be set from code after core.async namespace is loaded but before
any use of the async thread pool."
(delay (or (Long/getLong "clojure.core.async.pool-size") 8)))
(defn thread-pool-executor
(thread-pool-executor nil))
(let [executor-svc (Executors/newFixedThreadPool
(conc/counted-thread-factory "async-dispatch-%d" true
{:init-fn init-fn}))]
(reify impl/Executor
(impl/exec [this r]
(.execute executor-svc ^Runnable r))))))