[GHC] #1692: GLUT timedCallback fires twice

[GHC]

#1692: GLUT timedCallback fires twice
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    Reporter:  richardg at richardg.name  |        Owner:  sven.panne at aedion.de
        Type:  bug                     |       Status:  new                 
    Priority:  normal                  |    Milestone:  Not GHC             
   Component:  libraries (other)       |      Version:  6.6.1               
    Severity:  normal                  |   Resolution:                      
    Keywords:                          |   Difficulty:  Unknown             
          Os:  MacOS X                 |     Testcase:                      
Architecture:  x86                     |  
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Comment (by guest):

 The C version is as close as I could make it.  There is no test 3 because,
 AFAIK, C doesn't have light-weight threads.

 The C version seems to work fine; the events fire as desired.  At the
 least, this suggests a workaround using the FFI.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1692#comment:7>
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