[GHC] #9143: feature request: way to set actual program argv

[GHC]

#9143: feature request: way to set actual program argv
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        Reporter:  joeyhess          |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Runtime System    |                 Version:  7.8.2
      Resolution:                    |                Keywords:
Operating System:  Linux             |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by bgamari):

 The cross-platform implications really worry me here. For instance, it's
 recommended that you do not modify `argv` at all on
 [[http://stackoverflow.com/questions/29158052/changing-argv0-with-
 winapi|Windows]]. Do we know that this is really safe (or will even
 accomplish the desired effect) on all of the platforms that GHC supports
 (FreeBSD, OpenBSD, Darwin, Linux, Solaris, and Windows, where it is not)?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9143#comment:6>
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