    {-# OPTIONS_HADDOCK not-home #-}

    -- |
    --
    -- Module      :  GHC.Conc.IO
    -- Copyright   :  (c) The University of Glasgow, 1994-2002
    -- License     :  see libraries/base/LICENSE
    --
    -- Maintainer  :  ghc-devs@haskell.org
    -- Stability   :  internal
    -- Portability :  non-portable (GHC extensions)
    --
    -- Basic concurrency stuff.
    --
    -- /The API of this module is unstable and not meant to be consumed by the general public./
    -- If you absolutely must depend on it, make sure to use a tight upper
    -- bound, e.g., @base < 4.X@ rather than @base < 5@, because the interface can
    -- change rapidly without much warning.
    --

    module GHC.Conc.IO
        (ensureIOManagerIsRunning,
         ioManagerCapabilitiesChanged,
         interruptIOManager,
         -- *  Waiting
         threadDelay,
         registerDelay,
         threadWaitRead,
         threadWaitWrite,
         threadWaitReadSTM,
         threadWaitWriteSTM,
         closeFdWith
         ) where

    import GHC.Internal.Conc.IO