Lua之协同程序coroutine代码实例

do	--create coroutine table	--coroutine state: suspended, running, dead, normal	--when create the coroutine, the status is suspended, After calling it, the status is dead	--get the coroutine status by the way coroutine.status	local coA = 0;	local coB = 0;	function createCoroutineA()		coA = coroutine.create(										function()											--for i = 0, 10 do												print("coA: ", 0);												print("coB status: ", coroutine.status(coB)); --normal status												print("coA status: ", coroutine.status(coA));												print("coA coroutine next status");												--coroutine.yield();--the current coroutine is suspended											--end										end									);		print("From coA to resume coB");	end	function createCoroutineB()		coB = coroutine.create(										function()											--for i = 0, 10 do												print("coB: ", 0);												print("coA status: ", coroutine.status(coA));												coroutine.resume(coA); --when resume coA, the coB will suspended, calling coB ,the coA status is												--suspended and dead, this time will continue to execute the next code												print("coB status: ", coroutine.status(coB));												print("coB coroutine next status");												--coroutine.yield();											--end										end									);		print("From coB to resume coA");	end	--display the coA and coB status	createCoroutineA();	print(coroutine.status(coA));	createCoroutineB();	print(coroutine.status(coB));	coroutine.resume(coB);	print(coroutine.resume(coB)); --if the coroutine is dead ,the resume will resume false, and can't resume the dead coroutine	--print("coA status: ", coroutine.status(coA));	--print("coB status: ", coroutine.status(coB));end

do	--create coroutine table	--coroutine state: suspended, running, dead, normal	--when create the coroutine, the status is suspended, After calling it, the status is dead	--get the coroutine status by the way coroutine.status	local coA = 0;	local coB = 0;	function createCoroutineA()		coA = coroutine.create(										function(paramA, paramB)											--for i = 0, 10 do												print("coA: ", 0);												coroutine.yield(paramA, paramB);--the current coroutine is suspended											--end											return 100, 200;										end									);		print("From coA to resume coB");	end	function createCoroutineB()		coB = coroutine.create(										function()											--for i = 0, 10 do												print("coB: ", 0);												print("coA status: ", coroutine.status(coA));												coroutine.resume(coA); --when resume coA, the coB will suspended, calling coB ,the coA status is												--suspended and dead, this time will continue to execute the next code												print("coB status: ", coroutine.status(coB));												print("coB coroutine next status");												--coroutine.yield();											--end										end									);		print("From coB to resume coA");	end	createCoroutineA();	--if not yield is waiting ,the return values that the main function return as the results of the resume	--or the return as the yield params	print( coroutine.resume(coA, 10, 20));--OutPut:true, 10, 20end