[GHC] #11394: Base should use native Win32 IO on Windows

[GHC]

#11394: Base should use native Win32 IO on Windows
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           Reporter:  bgamari        |             Owner:
               Type:  task           |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Core           |           Version:  7.10.3
  Libraries                          |
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 There are a variety of issues caused by the impedance mismatch between
 GHC's use of Posix I/O interfaces on Windows (particularly with respect to
 console I/O),

  * #10542:  Incorrect Unicode input on Windows Console
  * #7593:  Unable to print exceptions of unicode identifiers
  * #4471:  Incorrect Unicode output on Windows Console
  * #2189:  hSetBuffering stdin NoBuffering doesn't work on Windows

 As pointed on in ticket:2189#comment:12 the ultimate solution to this
 would be to move all of GHC's IO to use the respective Win32 interfaces.

 = Also relevant =
  * #7353: Windows lacks support in the I/O manager
  * #806:  hGetBufNonBlocking doesn't work on Windows
  * #3081:  Double output after Ctrl+C on Windows

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11394>
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