[GHC] #9168: reading/writing blocking FDs over FD_SETSIZE is broken

[GHC]

#9168: reading/writing blocking FDs over FD_SETSIZE is broken
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        Reporter:  rwbarton          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  libraries/base    |          Version:  7.8.1
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by rwbarton):

 A reproducer, based on https://github.com/smurphy8/broken-acid-test. Note:
 you need a max open files ulimit of more than about 1030 to reproduce the
 bug with this program.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9168#comment:1>
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