[GHC] #6160: support sub-second resolutions for file timestamps

[GHC]

#6160: support sub-second resolutions for file timestamps
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    Reporter:  redneb            |       Owner:                  
        Type:  feature request   |      Status:  patch           
    Priority:  normal            |   Milestone:                  
   Component:  libraries/unix    |     Version:  7.4.2           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonmar):

 I see no reason not to have this, except that it introduces a dependency
 from `unix` on `time` (one might expect the dependency to go the other
 way, because `time` needs access to POSIX interfaces to get the current
 time for example, but `time` does its own FFI).

 Any objections, or shall we just apply it?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6160#comment:3>
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