coroutine

coroutine_count.lua

local counter = 0

local function proc1()
  while counter < 100000000 do
    counter = counter + 1
    coroutine.yield()
  end
end

local function proc2()
  while counter < 100000000 do
    counter = counter + 1
    coroutine.yield()
  end
end

local co1 = coroutine.create(proc1)
local co2 = coroutine.create(proc2)

while counter < 100000000 do
  coroutine.resume(co1)
  coroutine.resume(co2)
end

print(counter)