[all-commits] [llvm/llvm-project] ba01a2: [libc] Add memory fences to device-local locking c...

[Jon Chesterfield via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ba01a2c608cb6272934c41596cb3a8c3915cc514
      https://github.com/llvm/llvm-project/commit/ba01a2c608cb6272934c41596cb3a8c3915cc514
  Author: Jon Chesterfield <jonathanchesterfield at gmail.com>
  Date:   2023-06-22 (Thu, 22 Jun 2023)

  Changed paths:
    M libc/src/__support/RPC/rpc.h

  Log Message:
  -----------
  [libc] Add memory fences to device-local locking calls

This makes the interface less error prone. The acquire was previously
forgotten. Release is currently missing if recv() is the last operation made
before close.

Reviewed By: jhuber6

Differential Revision: https://reviews.llvm.org/D153571