[GHC] #4449: GHC 7 can't do IO when demonized

[GHC]

#4449: GHC 7 can't do IO when demonized
----------------------------+-----------------------------------------------
  Reporter:  kazu-yamamoto  |          Owner:  adept      
      Type:  bug            |         Status:  new        
  Priority:  normal         |      Milestone:  7.0.2      
 Component:  Compiler       |        Version:  7.1        
Resolution:                 |       Keywords:  forkProcess
  Testcase:                 |      Blockedby:             
Difficulty:                 |             Os:  MacOS X    
  Blocking:                 |   Architecture:  x86        
   Failure:  None/Unknown   |  
----------------------------+-----------------------------------------------

Comment(by adept):

 Replying to [comment:35 kazu-yamamoto]:
 > Please read comment #29. I'm quit sure about it. I think closeControl is
 identical "two pair of pipes".

 I assure you that I've read it carefully. The pipes are closed, but in the
 wrong place and at wrong time.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4449#comment:36>
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