multi/multi/integration/luvitManager.lua

--[[
MIT License

Copyright (c) 2020 Ryan Ward

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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to use, copy, modify, merge, publish, distribute, sub-license, and/or sell
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
]]

-- This module probably will not be maintained any longer!
package.path = "?/init.lua;?.lua;" .. package.path
local function _INIT(luvitThread, timer)
	-- lots of this stuff should be able to stay the same
	function os.getOS()
		if package.config:sub(1, 1) == "\\" then
			return "windows"
		else
			return "unix"
		end
	end
	-- Step 1 get setup threads on luvit... Sigh how do i even...
	local multi, thread = require("multi").init()
	isMainThread = true
	function multi:canSystemThread()
		return true
	end
	function multi:getPlatform()
		return "luvit"
	end
	local multi = multi
	-- Step 2 set up the Global table... is this possible?
	local GLOBAL = {}
	setmetatable(
		GLOBAL,
		{
			__index = function(t, k)
				--print("No Global table when using luvit integration!")
				return nil
			end,
			__newindex = function(t, k, v)
				--print("No Global table when using luvit integration!")
			end
		}
	)
	local THREAD = {}
	function THREAD.set(name, val)
		--print("No Global table when using luvit integration!")
	end
	function THREAD.get(name)
		--print("No Global table when using luvit integration!")
	end
	local function randomString(n)
		local str = ""
		local strings = {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","1","2","3","4","5","6","7","8","9","0","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"}
		for i = 1, n do
			str = str .. "" .. strings[math.random(1, #strings)]
		end
		return str
	end
	function THREAD.waitFor(name)
		--print("No Global table when using luvit integration!")
	end
	function THREAD.testFor(name, val, sym)
		--print("No Global table when using luvit integration!")
	end
	function THREAD.getCores()
		return THREAD.__CORES
	end
	if os.getOS() == "windows" then
		THREAD.__CORES = tonumber(os.getenv("NUMBER_OF_PROCESSORS"))
	else
		THREAD.__CORES = tonumber(io.popen("nproc --all"):read("*n"))
	end
	function THREAD.kill() -- trigger the thread destruction
		error("Thread was Killed!")
	end
	-- hmmm if im cleaver I can get this to work... but since data passing isn't going to be a thing its probably not important
	function THREAD.sleep(n)
		--print("No Global table when using luvit integration!")
	end
	function THREAD.hold(n)
		--print("No Global table when using luvit integration!")
	end
	-- Step 5 Basic Threads!
	local function entry(path, name, func, ...)
		local timer = require "timer"
		local luvitThread = require "thread"
		package.path = path
		loadstring(func)(...)
	end
	function multi:newSystemThread(name, func, ...)
		local c = {}
		local __self = c
		c.name = name
		c.Type = "sthread"
		c.thread = {}
		c.func = string.dump(func)
		function c:kill()
			-- print("No Global table when using luvit integration!")
		end
		luvitThread.start(entry, package.path, name, c.func, ...)
		return c
	end
	multi.print("Integrated Luvit!")
	multi.integration = {} -- for module creators
	multi.integration.GLOBAL = GLOBAL
	multi.integration.THREAD = THREAD
	require("multi.integration.shared")
	-- Start the main mainloop... This allows you to process your multi objects, but the engine on the main thread will be limited to .001 or 1 millisecond sigh...
	local interval =
		timer.setInterval(
		1,
		function()
			multi:uManager()
		end
	)
	return multi
end
return {init = function(threadHandle, timerHandle)
	local multi = _INIT(threadHandle, timerHandle)
	return GLOBAL, THREAD
end}