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|
(.require
[library
[lux (.except)
["[0]" ffi]
["[0]" debug]
[abstract
["[0]" monad (.only do)]]
[control
["[0]" try]
["[0]" io (.only IO io)]]
[data
["[0]" text]
[collection
["[0]" list]]]
[math
[number
["n" nat]
["f" frac]]]
[meta
["@" target]
["[0]" configuration]]
[world
[time
["[0]" instant (.only Instant) (.use "[1]#[0]" order)]
["[0]" duration]]]]]
[//
["[0]" atom (.only Atom)]
["[0]" event]])
(with_expansions [<jvm> (these (ffi.import java/lang/Object
"[1]::[0]")
(ffi.import java/lang/Long
"[1]::[0]")
(ffi.import java/lang/Runtime
"[1]::[0]"
("static" getRuntime [] java/lang/Runtime)
(availableProcessors [] int))
(ffi.import java/lang/Runnable
"[1]::[0]")
(ffi.import java/util/concurrent/TimeUnit
"[1]::[0]"
("enum" MILLISECONDS))
(ffi.import java/util/concurrent/Executor
"[1]::[0]"
(execute [java/lang/Runnable] "io" void))
(ffi.import (java/util/concurrent/ScheduledFuture a)
"[1]::[0]")
(ffi.import java/util/concurrent/ScheduledThreadPoolExecutor
"[1]::[0]"
(new [int])
(schedule [java/lang/Runnable long java/util/concurrent/TimeUnit] "io" (java/util/concurrent/ScheduledFuture java/lang/Object))))]
(for @.old (these <jvm>)
@.jvm (these <jvm>)
@.js
(these (ffi.import (setTimeout [ffi.Function ffi.Number] "io" Any)))
@.python
(ffi.import threading/Timer
"[1]::[0]"
(new [ffi.Float ffi.Function])
(start [] "io" "?" Any))
... Default
(these)
))
(def .public parallelism
Nat
(with_expansions [<default> 1
<jvm> (<| (configuration.for ["lua_compiler?" ""]
... TODO: Remove this when Rembulan is no longer being used.
<default>)
(|> (java/lang/Runtime::getRuntime)
(java/lang/Runtime::availableProcessors)
ffi.of_int
.nat))]
(for @.old <jvm>
@.jvm <jvm>
... Default
<default>)))
(with_expansions [<jvm> (these (def runner
java/util/concurrent/ScheduledThreadPoolExecutor
(|> ..parallelism
.int
ffi.as_int
java/util/concurrent/ScheduledThreadPoolExecutor::new)))]
(for @.old <jvm>
@.jvm <jvm>
@.js (these)
@.python (these)
... Default
(these (def schedule!,run!
(let [[module _] (symbol .._)]
(event.loop module))))))
(def (execute! action)
(-> (IO Any) Any)
(when (try (io.run! action))
{try.#Failure error}
(exec
(debug.log! (.text_composite# "ERROR DURING THREAD EXECUTION:" text.\n
error))
[])
{try.#Success _}
[]))
(type .public Delay
Nat)
(def .public milli_second
Delay
1)
(with_template [<name> <scale> <base>]
[(def .public <name>
Delay
(n.* <scale> <base>))]
[second 1,000 milli_second]
[minute 60 second]
[hour 60 minute]
[day 24 hour]
[week 7 day]
)
(def .public (schedule! milli_seconds action)
(-> Delay (IO Any) (IO Any))
(with_expansions [<jvm> (let [runnable (ffi.object [] [java/lang/Runnable]
[]
(java/lang/Runnable [] (run self []) void
(..execute! action)))]
(when milli_seconds
0 (java/util/concurrent/Executor::execute runnable runner)
_ (java/util/concurrent/ScheduledThreadPoolExecutor::schedule runnable (.int milli_seconds) java/util/concurrent/TimeUnit::MILLISECONDS
runner)))]
(for @.old <jvm>
@.jvm <jvm>
@.js
(..setTimeout (ffi.function (_ []) Any (..execute! action))
(n.frac milli_seconds))
@.python
(do io.monad
[_ (|> (ffi.function (_ []) Any (..execute! action))
(threading/Timer::new (|> milli_seconds n.frac (f./ +1,000.0)))
threading/Timer::start)]
(in []))
... Default
(let [[schedule! run!] ..schedule!,run!]
(schedule! milli_seconds action)))))
(for @.old (these)
@.jvm (these)
@.js (these)
@.python (these)
... Default
(def .public run!
(IO Any)
(let [[schedule! run!] ..schedule!,run!]
(do io.monad
[outcome run!]
(when outcome
{try.#Success _}
(in [])
{try.#Failure error}
(in (debug.log! error))))))
)
|
