Fix #4514 - IO manager deadlock

[ghc-base.git] / GHC / Conc.lhs

diff --git a/GHC/Conc.lhs b/GHC/Conc.lhs
index 47b6ef6..a7f6902 100644 (file)
--- a/GHC/Conc.lhs
+++ b/GHC/Conc.lhs
@@ -52,6 +52,7 @@ module GHC.Conc
         , registerDelay         -- :: Int -> IO (TVar Bool)
         , threadWaitRead        -- :: Int -> IO ()
         , threadWaitWrite       -- :: Int -> IO ()
+        , closeFd               -- :: (Int -> IO ()) -> Int -> IO ()
 
         -- * TVars
         , STM(..)