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https://github.com/janet-lang/janet
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6a39c4b91d
Doing it via thread/send make sense, but is a bit strange. Passing the body explicitly will make more sense to API users.
69 lines
1.6 KiB
Clojure
69 lines
1.6 KiB
Clojure
(defn worker-main
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"Sends 11 messages back to parent"
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[parent]
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(def name (thread/receive))
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(def interval (thread/receive))
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(for i 0 10
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(os/sleep interval)
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(:send parent (string/format "thread %s wakeup no. %d" name i)))
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(:send parent name))
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(defn make-worker
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[name interval]
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(-> (thread/new worker-main)
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(:send name)
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(:send interval)))
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(def bob (make-worker "bob" 0.02))
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(def joe (make-worker "joe" 0.03))
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(def sam (make-worker "sam" 0.05))
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# Receive out of order
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(for i 0 33
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(print (thread/receive)))
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#
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# Recursive Thread Tree - should pause for a bit, and then print a cool zigzag.
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#
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(def rng (math/rng (os/cryptorand 16)))
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(defn choose [& xs]
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(in xs (:int rng (length xs))))
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(defn worker-tree
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[parent]
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(def name (thread/receive))
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(def depth (thread/receive))
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(if (< depth 5)
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(do
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(defn subtree []
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(-> (thread/new worker-tree)
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(:send (string name "/" (choose "bob" "marley" "harry" "suki" "anna" "yu")))
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(:send (inc depth))))
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(let [l (subtree)
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r (subtree)
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lrep (thread/receive)
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rrep (thread/receive)]
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(:send parent [name ;lrep ;rrep])))
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(do
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(:send parent [name]))))
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(-> (thread/new worker-tree) (:send "adam") (:send 0))
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(def lines (thread/receive))
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(map print lines)
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#
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# Receive timeout
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#
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(def slow (make-worker "slow-loras" 0.5))
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(for i 0 50
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(try
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(let [msg (thread/receive 0.1)]
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(print "\n" msg))
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([err] (prin ".") (:flush stdout))))
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(print "\ndone timing, timeouts ending.")
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(try (while true (print (thread/receive))) ([err] (print "done")))
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