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annotate src/luan/modules/Thread.luan @ 1616:915cb538e2a3

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start swing
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 05 Jun 2021 21:42:29 -0600
parents c922446f53aa
children d3ea0380dfb6
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1 require "java"
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2 local ThreadLuan = require "java:luan.modules.ThreadLuan"
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3 local ReentrantLock = require "java:java.util.concurrent.locks.ReentrantLock"
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4 local Luan = require "luan:Luan.luan"
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5 local error = Luan.error
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6 local set_metatable = Luan.set_metatable or error()
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7 local Time = require "luan:Time.luan"
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8 local Logging = require "luan:logging/Logging.luan"
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9 local logger = Logging.logger "Thread"
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10
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11
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12 local Thread = {}
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13
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14 Thread.sleep = ThreadLuan.sleep
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15
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16 local function safe(fn)
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17 return function()
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18 try
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19 fn()
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20 catch e
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21 logger.error(e)
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22 end
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23 end
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24 end
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25 Thread.safe = safe
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26
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27 function Thread.fork(fn)
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28 fn = safe(fn)
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29 ThreadLuan.fork(fn)
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30 end
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31
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32 function Thread.schedule(fn,options)
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33 fn = safe(fn)
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34 options = options or {}
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35 ThreadLuan.schedule(fn,options)
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36 end
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37
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38 function Thread.schedule_closure(init_fn,options)
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39 local function safe_init()
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40 return safe(init_fn())
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41 end
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42 options = options or {}
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43 ThreadLuan.schedule_closure(safe_init,options)
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44 end
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45
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46
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47 local forever = Time.period{years=100}
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48
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49 function Thread.global_callable(name,init_fn,timeout)
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50 timeout = timeout or forever
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51 local callable = ThreadLuan.globalCallable(name,init_fn,timeout)
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52 local mt = {}
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53 function mt.__index(_,key)
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54 return function(...)
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55 return callable.call(key,...)
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56 end
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57 end
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58 local tbl = {}
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59 set_metatable(tbl,mt)
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60 return tbl
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61 end
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62
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63 Thread.remove_global_callable = ThreadLuan.removeGlobalCallable
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64
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65 function Thread.global_map(name,timeout)
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66 local function init()
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67 local map = {}
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68 local fns = {}
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69
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70 function fns.__index(_,key)
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71 return map[key]
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72 end
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73
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74 function fns.__new_index(_,key,value)
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75 map[key] = value
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76 end
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77
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78 return fns
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79 end
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80 local mt = Thread.global_callable(name,init,timeout)
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81 local tbl = {}
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82 set_metatable(tbl,mt)
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83 return tbl
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84 end
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85
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86
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87 local default_time_out = Time.period{minutes=10}
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88 local run_in_lock = ThreadLuan.runInLock
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89 local get_lock = ThreadLuan.getLock
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91 function Thread.synchronized(fn,key,time_out)
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92 time_out = time_out or default_time_out
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93 local lock = get_lock(key)
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94 return function(...)
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95 return run_in_lock(lock,time_out,fn,...)
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96 end
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97 end
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99
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100 return Thread