[GHC] #2233: Overhaul System.Process

[GHC]

#2233: Overhaul System.Process
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        Reporter:  simonmar           |            Owner:  simonmar
            Type:  task               |           Status:  patch
        Priority:  normal             |        Milestone:  _|_
       Component:  libraries/process  |          Version:  6.8.2
      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 duncan):

 Note, these patches depend on the ones from #2301

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2233#comment:15>
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