[GHC] #7773: Waiting on non-kqueue supported files on OS X

[GHC]

#7773: Waiting on non-kqueue supported files on OS X
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Reporter:  AndreasVoellmy               |          Owner:                  
    Type:  bug                          |         Status:  new             
Priority:  normal                       |      Component:  libraries/base  
 Version:  7.7                          |       Keywords:                  
      Os:  MacOS X                      |   Architecture:  Unknown/Multiple
 Failure:  Incorrect result at runtime  |      Blockedby:                  
Blocking:                               |        Related:                  
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Comment(by AndreasVoellmy):

 Maybe this is version-specific. For example, when I run your test program
 on 10.8.2 with /dev/random, kqueue fails with errno set to 22, which is
 EINVAL.  Any thoughts on how we can reliably detect this problem across
 versions? Should we check either EINVAL or ENOTSUP?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7773#comment:4>
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