[GHC] #13903: KQueue evtmgr backend fails to register for write events

[GHC]

#13903: KQueue evtmgr backend fails to register for write events
-------------------------------------+-------------------------------------
        Reporter:  waldheinz         |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  FreeBSD           |         Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by waldheinz):

 I'm unable to create attachments here, keep getting "IndexError: pop from
 empty list" errors from Trac. So please have a look here meanwhile:

 https://github.com/waldheinz/ghc/commit/921a39eb2cd0d589696657a5857d45cf00b895aa

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13903#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler