Revert the usage of compare_exchange_weak

Dylan-DPC-zz · Nov 22, 2020 · 50b2ade · 50b2ade
1 parent 7a40b6d
commit 50b2ade
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library/std/src/sys_common/thread_parker/futex.rs b/library/std/src/sys_common/thread_parker/futex.rs
@@ -49,7 +49,7 @@ impl Parker {
             // Wait for something to happen, assuming it's still set to PARKED.
             futex_wait(&self.state, PARKED, None);
             // Change NOTIFIED=>EMPTY and return in that case.
-            if self.state.compare_exchange_weak(NOTIFIED, EMPTY, Acquire, Acquire).is_ok() {
+            if self.state.compare_exchange(NOTIFIED, EMPTY, Acquire, Acquire).is_ok() {
                 return;
             } else {
                 // Spurious wake up. We loop to try again.