协同的使用

local threads = {}
function test()
    for i=1,10,1  do
        coroutine.yield(i);
    end
end
local co = nil;

for i=1,5,1 do
    co = coroutine.create(test)
    table.insert(threads,co)
end

local nCount = 0;

while true do
    nCount = table.getn(threads);
    if 0 == nCount then
        break;
    end
    for k,v in ipairs(threads) do
        local s,v = coroutine.resume(v)
        if s then
            if v then
                print(k.."_____________________"..v.."___"..os.date())
            else
                print(k.."____v is nil")
                table.remove(threads,v)    
            end
        end
    end
end