diff options
Diffstat (limited to 'library/std/src/sys/sgx/waitqueue')
| -rw-r--r-- | library/std/src/sys/sgx/waitqueue/spin_mutex.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sys/sgx/waitqueue/spin_mutex.rs b/library/std/src/sys/sgx/waitqueue/spin_mutex.rs index d99ce895da5..9140041c584 100644 --- a/library/std/src/sys/sgx/waitqueue/spin_mutex.rs +++ b/library/std/src/sys/sgx/waitqueue/spin_mutex.rs @@ -42,7 +42,7 @@ impl<T> SpinMutex<T> { #[inline(always)] pub fn try_lock(&self) -> Option<SpinMutexGuard<'_, T>> { - if !self.lock.compare_and_swap(false, true, Ordering::Acquire) { + if self.lock.compare_exchange(false, true, Ordering::Acquire, Ordering::Acquire).is_ok() { Some(SpinMutexGuard { mutex: self }) } else { None |