[GHC] #11508: QuickCheck application hangs with concurrent read/write of Chan

GHC ghc-devs at haskell.org
Tue Mar 29 21:47:51 UTC 2016


#11508: QuickCheck application hangs with concurrent read/write of Chan
-------------------------------------+-------------------------------------
        Reporter:  orion             |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by erikd):

 * status:  infoneeded => closed
 * resolution:   => fixed


Comment:

 The documentation for `Control.Concurrent.Chan` in the GHC git tree has
 been updated to include a warning that `Chan` inherits all the caveats of
 `MVar`s and suggests the use of `TChan` from the `stm` library instead.

 Closing this as "wontfix" but the "fix" is to use `TChan` instead of
 `Chan`.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11508#comment:15>
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