[GHC] #14153: Change worker thread name to something mentioning original process name

[GHC]

#14153: Change worker thread name to something mentioning original process name
-------------------------------------+-------------------------------------
        Reporter:  enolan            |                Owner:  enolan
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by bgamari):

 I agree; I have found the `ghc_worker` name quite confusing in the past.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14153#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler