unix: acquire-load NEED_ALTSTACK

Co-authored-by: Jonas Böttiger <[email protected]>
rust-lang · Jul 18, 2024 · 529fcbc · 529fcbc
1 parent c1740ee
commit 529fcbc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library/std/src/sys/pal/unix/stack_overflow.rs b/library/std/src/sys/pal/unix/stack_overflow.rs
@@ -210,7 +210,7 @@ mod imp {
  /// Mutates the alternate signal stack
  #[forbid(unsafe_op_in_unsafe_fn)]
  pub unsafe fn make_handler(main_thread: bool) -> Handler {
- if !NEED_ALTSTACK.load(Ordering::Relaxed) {
+ if !NEED_ALTSTACK.load(Ordering::Acquire) {
  return Handler::null();
  }