[GHC] #9284: shutdownCapability sometimes loops indefinitely on OSX after forkProcess

[GHC]

#9284: shutdownCapability sometimes loops indefinitely on OSX after forkProcess
-------------------------------------+-------------------------------------
        Reporter:  edsko             |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.10.1
       Component:  Compiler          |                 Version:  7.8.2
      Resolution:  fixed             |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:  #9377             |                Blocking:
                                     |  Differential Revisions:
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Comment (by edsko):

 Guys, I'm not sure that we deal with this entirely correctly still. Sadly,
 I have no test case other than to tell you that I was just compiling a
 project with 7.10 and I got:

 {{{
 ghc-stage2: ioManagerWakeup: write: Bad file descriptor
 }}}

 :-/

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9284#comment:21>
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