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

[GHC]

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

 I created a new issue #9423 for the problem when caused by a call to
 `hs_exit`. Now we can treat the issue here as being specific to
 `forkProcess`. Since we have a fix for this (I believe) we can close this
 ticket independently of #9423.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9284#comment:13>
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