[GHC] #6136: gettimeofday should not be used to schedule timeouts

[GHC]

#6136: gettimeofday should not be used to schedule timeouts
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 Reporter:  DanielWaterworth  |          Owner:                  
     Type:  bug               |         Status:  new             
 Priority:  normal            |      Component:  libraries/base  
  Version:  7.4.1             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
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 From what I can tell,
 [http://hackage.haskell.org/packages/archive/base/latest/doc/html/src/GHC-
 Event-Clock.html#getCurrentTime getCurrentTime] uses gettimeofday and is
 used in
 [http://hackage.haskell.org/packages/archive/base/latest/doc/html/src/GHC-
 Event-Manager.html#registerTimeout registerTimeout] for the purpose of
 scheduling timeouts. I recommend reading [http://blog.habets.pp.se/2010/09
 /gettimeofday-should-never-be-used-to-measure-time this] for an
 explanation of why this isn't a good idea.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6136>
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