Re: [GHC] #10317: Event manager: Multishot registrations only fire once

#10317: Event manager: Multishot registrations only fire once -------------------------------------+------------------------------------- Reporter: bgamari | Owner: Type: bug | Status: patch Priority: normal | Milestone: 7.10.2 Component: Compiler | Version: 7.10.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: Phab:D849 -------------------------------------+------------------------------------- Comment (by Austin Seipp ): In [changeset:"1c3832597b3e75456fc61628c4cd289d211c733b/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="1c3832597b3e75456fc61628c4cd289d211c733b" Fix dropped event registrations D347 introduced a bug wherein the event manager would drop registrations that should be retained during processing. This occurs when an fd has multiple registrations, not all of which fire, as well as the case of multi-shot registrations. I also do some general house-keeping, try to better document things, and fix a bug which could result in unnecessary calls to `epoll_ctl` Reviewed By: austin Differential Revision: https://phabricator.haskell.org/D849 GHC Trac Issues: #10317 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10317#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler