diff options
| -rw-r--r-- | library/std/src/sys_common/condvar/check.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sys_common/condvar/check.rs b/library/std/src/sys_common/condvar/check.rs index 7671850ac55..69cad21b096 100644 --- a/library/std/src/sys_common/condvar/check.rs +++ b/library/std/src/sys_common/condvar/check.rs @@ -24,7 +24,7 @@ impl SameMutexCheck { } pub fn verify(&self, mutex: &MovableMutex) { let addr = mutex.raw() as *const imp::Mutex as *const () as *mut _; - match self.addr.compare_exchange(ptr::null_mut(), addr, Ordering::SeqCst, Ordering::SeqCst) + match self.addr.compare_exchange(ptr::null_mut(), addr, Ordering::Relaxed, Ordering::Relaxed) { Ok(_) => {} // Stored the address Err(n) if n == addr => {} // Lost a race to store the same address |