module CodeMushu.Thread where

import Prelude ()
import MPS.Env hiding (log)
import MPS.Extra

import Control.Concurrent


sync_lock :: MVar ()
sync_lock = purify - newMVar ()

jailed :: IO a -> IO a
jailed io = do
  withMVar sync_lock (const io)


log :: String -> IO ()
log x = jailed - putStrLn x