[GHC] #11403: Provide a way to make fast in-calls into Haskell

[GHC]

#11403: Provide a way to make fast in-calls into Haskell
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        Reporter:  dobenour          |                Owner:
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Runtime System    |              Version:  7.10.3
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonmar):

 * status:  new => closed
 * resolution:   => fixed
 * milestone:   => 8.2.1


Comment:

 We now have a way to call `tryPutMVar()` from C without creating a new
 Haskell thread:
 https://phabricator.haskell.org/rGHC454033b54e2f7eef2354cc9d7ae7e7cba4dff09a

 I think this is the best we can do here, so I'll close the ticket.  Feel
 free to re-open if this doesn't work for your use case.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11403#comment:2>
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