[PATCH] D34918: [libc++] Avoid atomic built-ins for NO_THREADS build

[Weiming Zhao via Phabricator via llvm-commits]

weimingz added a comment.

If the architecture doesn't support atomics (like cortex-m0), seems there is no software solution to make them signal-safe. Mutex/lock won't work.


Repository:
  rL LLVM

https://reviews.llvm.org/D34918