util.lua

   1 function lua_async.yield()
   2         await(Promise(function(resolve)
   3                 setImmediate(resolve)
   4         end))
   5 end
   6
   7 function lua_async.kill_thread()
   8         coroutine.yield(true)
   9 end
  10
  11 function lua_async.sleep(ms)
  12         await(Promise(function(resolve)
  13                 setTimeout(resolve, ms)
  14         end))
  15 end
  16
  17 function lua_async.run()
  18         local last_time = os.clock()
  19
  20         while true do
  21                 local current_time = os.clock()
  22                 local dtime = current_time - last_time
  23                 last_time = current_time
  24
  25                 lua_async.step(dtime)
  26         end
  27 end