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

[GHC]

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

 I have tested this program with GHC 7.0.1 RC2 AND direct-daemonize today
 on Snow Leopard. With the "-threaded" option, the program terminates
 immediately while without the option, It works as daemon.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4449#comment:5>
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