mirror of
https://github.com/janet-lang/janet
synced 2024-11-18 22:54:49 +00:00
38 lines
638 B
Plaintext
38 lines
638 B
Plaintext
|
###
|
||
|
|
### examples/select2.janet
|
||
|
|
###
|
||
|
|
### Mix reads and writes in select.
|
||
|
|
###
|
||
|
|
|
||
|
|
(def c1 (ev/chan 40))
|
||
|
|
(def c2 (ev/chan 40))
|
||
|
|
(def c3 (ev/chan 40))
|
||
|
|
(def c4 (ev/chan 40))
|
||
|
|
|
||
|
|
(def c5 (ev/chan 4))
|
||
|
|
|
||
|
|
(defn worker
|
||
|
|
[c n x]
|
||
|
|
(forever
|
||
|
|
(ev/sleep n)
|
||
|
|
(ev/give c x)))
|
||
|
|
|
||
|
|
(defn writer-worker
|
||
|
|
[c]
|
||
|
|
(forever
|
||
|
|
(ev/sleep 0.2)
|
||
|
|
(print "writing " (ev/take c))))
|
||
|
|
|
||
|
|
(ev/call worker c1 1 :item1)
|
||
|
|
(ev/sleep 0.2)
|
||
|
|
(ev/call worker c2 1 :item2)
|
||
|
|
(ev/sleep 0.1)
|
||
|
|
(ev/call worker c3 1 :item3)
|
||
|
|
(ev/sleep 0.2)
|
||
|
|
(ev/call worker c4 1 :item4)
|
||
|
|
(ev/sleep 0.1)
|
||
|
|
(ev/call worker c4 1 :item5)
|
||
|
|
(ev/call writer-worker c5)
|
||
|
|
|
||
|
|
(forever (pp (ev/rselect c1 c2 c3 c4 [c5 :thing])))
|