X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=GHC%2FTopHandler.lhs;h=7bedcfea5df5b44fce2e6b2cc544dc0a4231a328;hb=HEAD;hp=ffc62f996e661505f8fffdeaf92e947f436f1277;hpb=d2063b5b0be014545b21819172c87756efcb0b0c;p=ghc-base.git

diff --git a/GHC/TopHandler.lhs b/GHC/TopHandler.lhs
index ffc62f9..7bedcfe 100644
--- a/GHC/TopHandler.lhs
+++ b/GHC/TopHandler.lhs
@@ -1,7 +1,14 @@
 \begin{code}
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP
+           , NoImplicitPrelude
+           , ForeignFunctionInterface
+           , MagicHash
+           , UnboxedTuples
+           , PatternGuards
+  #-}
 {-# OPTIONS_GHC -fno-warn-unused-imports #-}
 {-# OPTIONS_HADDOCK hide #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  GHC.TopHandler
@@ -69,7 +76,7 @@ runMainIO main =
 install_interrupt_handler :: IO () -> IO ()
 #ifdef mingw32_HOST_OS
 install_interrupt_handler handler = do
-  GHC.ConsoleHandler.installHandler $
+  _ <- GHC.ConsoleHandler.installHandler $
      Catch $ \event -> 
         case event of
            ControlC -> handler
@@ -78,13 +85,13 @@ install_interrupt_handler handler = do
            _ -> return ()
   return ()
 #else
-#include "Signals.h"
+#include "rts/Signals.h"
 -- specialised version of System.Posix.Signals.installHandler, which
 -- isn't available here.
 install_interrupt_handler handler = do
    let sig = CONST_SIGINT :: CInt
-   setHandler sig (Just (const handler, toDyn handler))
-   stg_sig_install sig STG_SIG_RST nullPtr
+   _ <- setHandler sig (Just (const handler, toDyn handler))
+   _ <- stg_sig_install sig STG_SIG_RST nullPtr
      -- STG_SIG_RST: the second ^C kills us for real, just in case the
      -- RTS or program is unresponsive.
    return ()