[GHC] #9169: Add mkWeakTMVar to Control.Concurrent.STM.TMVar

[GHC]

#9169: Add mkWeakTMVar to Control.Concurrent.STM.TMVar
--------------------------------------+------------------------------------
        Reporter:  basvandijk         |            Owner:
            Type:  feature request    |           Status:  new
        Priority:  normal             |        Milestone:
       Component:  libraries (other)  |          Version:  7.8.2
      Resolution:                     |         Keywords:  stm
Operating System:  Unknown/Multiple   |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown       |       Difficulty:  Unknown
       Test Case:                     |       Blocked By:
        Blocking:                     |  Related Tickets:
--------------------------------------+------------------------------------

Comment (by Austin Seipp <austin@…>):

 In [changeset:"b0316cdb10fbd9eaca7ede28c7bb3eb19f7766bf/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="b0316cdb10fbd9eaca7ede28c7bb3eb19f7766bf"
 reading/writing blocking FDs over FD_SETSIZE is broken (Partially Trac
 #9169)

 Summary:
 libraries/base/cbits/inputReady.c had no limits on file descriptors.
 Add a limit as non-threaded RTS does.

 Signed-off-by: Sergei Trofimovich <slyfox at gentoo.org>

 Test Plan: none

 Reviewers: austin, simonmar

 Reviewed By: austin, simonmar

 Subscribers: simonmar, relrod, carter

 Differential Revision: https://phabricator.haskell.org/D28
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9169#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler