X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FInteractiveUI.hs;h=059d692df697d59c06b8580de739b2429cfe0438;hb=0b60725b6817a819b0d3c5ad940aef3eda008b88;hp=933a98e44437062c928bf6d6624d21f228b04a38;hpb=0f66260b5afc88accb6af6a09b20c3a4de51c39a;p=ghc-hetmet.git

diff --git a/compiler/ghci/InteractiveUI.hs b/compiler/ghci/InteractiveUI.hs
index 933a98e..059d692 100644
--- a/compiler/ghci/InteractiveUI.hs
+++ b/compiler/ghci/InteractiveUI.hs
@@ -96,10 +96,6 @@ import GHC.TopHandler
 
 import Data.IORef	( IORef, readIORef, writeIORef )
 
-#ifdef USE_EDITLINE
-import System.Posix.Internals ( setNonBlockingFD )
-#endif
-
 -----------------------------------------------------------------------------
 
 ghciWelcomeMsg :: String
@@ -641,11 +637,8 @@ readlineLoop = do
                    return (Just str)
 
 withReadline :: IO a -> IO a
-withReadline = bracket_ stopTimer (do startTimer; setNonBlockingFD 0)
-     -- Two problems are being worked around here:
-     -- 1. readline sometimes puts stdin into blocking mode,
-     --    so we need to put it back for the IO library
-     -- 2. editline doesn't handle some of its system calls returning
+withReadline = bracket_ stopTimer startTimer
+     --    editline doesn't handle some of its system calls returning
      --    EINTR, so our timer signal confuses it, hence we turn off
      --    the timer signal when making calls to editline. (#2277)
      --    If editline is ever fixed, we can remove this.