[xmonad] Issue 268 in xmonad: U.Run.runProcessWithInputAndWait calls waitForProcess

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Status: New
Owner: ----

New issue 268 by wirtwolff: U.Run.runProcessWithInputAndWait calls  
waitForProcess
http://code.google.com/p/xmonad/issues/detail?id=268

What steps will reproduce the problem?
1. Ensure error output is logged or visible.
2. On darcs xmonad run the ff xmonad.hs and create urgent
windows, or use the keybinding for dzenWithArgs. Or
use runProcessWithInputAndWait action somewhere.

Expect function to start a process and kill it after timeout,
with no error output unless something really is in error.
Instead, raises exceptions, but does the right thing and
doesn't crash.

----
-- runProcessWithInputAndWait calls waitForProcess
-- import XMonad.Util.Run (runProcessWithInputAndWait)
import XMonad
import XMonad.Util.EZConfig

-- Create some hidden urgent windows,
-- or press mod-F12 to trigger errors.

-- | only call to runProcessWithInputAndWait in xmc
import XMonad.Util.Dzen -- (dzenWithArgs)

-- | only call to dzenWithArgs
--   (or its U.Dzen variants) in xm contrib
import XMonad.Hooks.UrgencyHook

modKey = mod1Mask

main = do
   xmonad $
-- dzenUrgencyHook calls dzenWithArgs when urgents, yields
-- xmon*: waitForProcess: does not exist (No child processes)
     withUrgencyHook dzenUrgencyHook
       { args = ["-bg", "darkgreen"] } $
     defaultConfig { modMask = modKey }
     `additionalKeys`
         [ ((modKey, xK_F12), utilDzenBadness) ]

utilDzenBadness = dzenWithArgs
   "     Calls runProcessWithInputAndWait"
   ["-ta", "l", "-bg","darkorange","-fg","black"] 2000000
----
Component-Contrib


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