[GHC] #9817: signal handlers in unix are passed garbage when using the signle threaded rts

[GHC]

#9817: signal handlers in unix are passed garbage when using the signle threaded
rts
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              Reporter:  redneb      |            Owner:  simonmar
                  Type:  bug         |           Status:  patch
              Priority:  normal      |        Milestone:
             Component:  Runtime     |          Version:  7.8.3
  System                             |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:  POSIX       |       Difficulty:  Unknown
       Type of failure:  Incorrect   |       Blocked By:
  result at runtime                  |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D515   |
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Comment (by redneb):

 Since there is going to be a 7.8.4 release, I think it makes sense to
 include my patch for that release as well. It is small, non-intrusive and
 solves a real issue with 7.8.3.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9817#comment:3>
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