diff options
Diffstat (limited to 'tokio/src/sync/rwlock.rs')
| -rw-r--r-- | tokio/src/sync/rwlock.rs | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/tokio/src/sync/rwlock.rs b/tokio/src/sync/rwlock.rs index a84c4c12..750765fb 100644 --- a/tokio/src/sync/rwlock.rs +++ b/tokio/src/sync/rwlock.rs @@ -375,8 +375,6 @@ impl<'a, T: ?Sized> RwLockWriteGuard<'a, T> { /// let n = n.downgrade(); /// assert_eq!(*n, 1, "downgrade is atomic"); /// - /// assert_eq!(*lock.read().await, 1, "additional readers can obtain locks"); - /// /// drop(n); /// handle.await.unwrap(); /// assert_eq!(*lock.read().await, 2, "second writer obtained write lock"); @@ -389,7 +387,8 @@ impl<'a, T: ?Sized> RwLockWriteGuard<'a, T> { // Release all but one of the permits held by the write guard s.release(MAX_READS - 1); - + // NB: Forget to avoid drop impl from being called. + mem::forget(self); RwLockReadGuard { s, data, |