[GHC] #7934: usleep hangs, no threads

[GHC]

#7934: usleep hangs, no threads
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              Reporter:  gelisam     |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Runtime     |          Version:  7.4.2
  System                             |         Keywords:
            Resolution:              |     Architecture:  x86_64 (amd64)
      Operating System:  MacOS X     |       Difficulty:  Unknown
       Type of failure:  Incorrect   |       Blocked By:
  result at runtime                  |  Related Tickets:  1156
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by thomie):

 * cc: simonmar (added)
 * difficulty:   => Unknown


Comment:

 I can not reproduce this on Linux.

 gelisam: does it still occur with ghc 7.6.3 or 7.8.3 on Mac OS X?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7934#comment:2>
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