diff options
Diffstat (limited to 'library/std/src/sys/sync')
| -rw-r--r-- | library/std/src/sys/sync/rwlock/queue.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/library/std/src/sys/sync/rwlock/queue.rs b/library/std/src/sys/sync/rwlock/queue.rs index c654fca0d6e..51330f8fafe 100644 --- a/library/std/src/sys/sync/rwlock/queue.rs +++ b/library/std/src/sys/sync/rwlock/queue.rs @@ -395,9 +395,9 @@ impl RwLock { node.next.0 = AtomicPtr::new(state.mask(NODE_MASK).cast()); node.prev = AtomicLink::new(None); - // Set the `QUEUED` bit and maintain the `LOCKED` bit. + // Set the `QUEUED` bit and preserve the `LOCKED` and `DOWNGRADED` bit. let mut next = ptr::from_ref(&node) - .map_addr(|addr| addr | QUEUED | (state.addr() & LOCKED)) + .map_addr(|addr| addr | QUEUED | (state.addr() & (DOWNGRADED | LOCKED))) as State; let mut is_queue_locked = false; |