From a6c2d8d7fff74c59a487e9619785b8620705c543 Mon Sep 17 00:00:00 2001
From: Don Stewart <dons@galois.com>
Date: Mon, 19 Nov 2007 03:50:15 +0100
Subject: Use executeFile directly, rather than the shell, avoiding sh
 interepeting

darcs-hash:20071119025015-cba2c-49dee5526ab8d163dfb14735e6076fd8db723973
---
 XMonad/Core.hs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/XMonad/Core.hs b/XMonad/Core.hs
index 84b1311..80006b8 100644
--- a/XMonad/Core.hs
+++ b/XMonad/Core.hs
@@ -324,9 +324,13 @@ recompile = do
                 let msg = unlines $
                         ["Error detected while loading xmonad configuration file: " ++ src]
                         ++ lines ghcErr ++ ["","Please check the file for errors."]
-
-                waitForProcess =<< runProcess "xmessage" [msg]
-                    Nothing Nothing Nothing Nothing Nothing
+                -- usual double fork for async processes, and no zombies.
+                -- careful to use exec directly, avoiding shell
+                -- interpreting chars in the command line args
+                pid <- forkProcess $ do
+                    forkProcess $ createSession >> executeFile "xmessage" True [msg] Nothing
+                    exitWith ExitSuccess
+                getProcessStatus True False pid
                 return ()
 
 -- | Run a side effecting action with the current workspace. Like 'when' but
-- 
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