[GHC] #12912: IO library should not use select()

[GHC]

#12912: IO library should not use select()
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        Reporter:  simonmar          |                Owner:  simonmar
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.2
       Component:  libraries/base    |              Version:  8.0.1
      Resolution:                    |             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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Comment (by Ben Gamari <ben@…>):

 In [changeset:"f46369b8a1bf90a3bdc30f2b566c3a7e03672518/ghc"
 f46369b8/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="f46369b8a1bf90a3bdc30f2b566c3a7e03672518"
 fdReady: use poll() instead of select()

 select() is limited to 1024 file descriptors.  This actually blew up
 in a very hard-to-debug way in our production system when using the
 hinotify package.

 Test Plan:
 libraries/tests pass, paricularly hGetBuf001 which exercises this
 code.

 Reviewers: niteria, erikd, austin, hvr, bgamari

 Reviewed By: bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2785

 GHC Trac Issues: #12912
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12912#comment:1>
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