-- * Forking and suchlike
, forkIO -- :: IO a -> IO ThreadId
, forkIOUnmasked
+ , forkIOWithUnmask
+ , forkOn
, forkOnIO -- :: Int -> IO a -> IO ThreadId
, forkOnIOUnmasked
+ , forkOnWithUnmask
, numCapabilities -- :: Int
, getNumCapabilities -- :: IO Int
, numSparks -- :: IO Int