#15364: Replace the atomicModifyMutVar# primop -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: (none) Type: feature | Status: new request | Priority: normal | Milestone: 8.8.1 Component: Runtime | Version: 8.5 System | Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): Phab:D4884 | Wiki Page: -------------------------------------+------------------------------------- This was [https://github.com/ghc-proposals/ghc- proposals/blob/master/proposals/0027-atomicModifyMutVar.rst accepted proposal #27]. Specifically: 1. Replace `atomicModifyMutVar#` with `atomicModifyMutVar2#`. 2. Add `atomicModifyMutVar_#` and `atomicSwapMutVar#`. 3. Add a function imitating `atomicModifyMutVar#` to `GHC.Exts` for backwards compatibility. 4. Use the new primops where appropriate throughout `base`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15364 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler