[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:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Core Libraries    |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Description changed by simonpj:

Old description:

> 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

New description:

 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
  * #13440: `putStr` has different behaviour on Windows

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11394#comment:5>
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