diff options
Diffstat (limited to 'rust/pin-init')
| -rw-r--r-- | rust/pin-init/examples/pthread_mutex.rs | 2 | ||||
| -rw-r--r-- | rust/pin-init/src/alloc.rs | 8 | ||||
| -rw-r--r-- | rust/pin-init/src/lib.rs | 2 |
3 files changed, 5 insertions, 7 deletions
diff --git a/rust/pin-init/examples/pthread_mutex.rs b/rust/pin-init/examples/pthread_mutex.rs index 9164298c44c0..5ac22f1880d2 100644 --- a/rust/pin-init/examples/pthread_mutex.rs +++ b/rust/pin-init/examples/pthread_mutex.rs @@ -1,6 +1,6 @@ // SPDX-License-Identifier: Apache-2.0 OR MIT -// inspired by https://github.com/nbdd0121/pin-init/blob/trunk/examples/pthread_mutex.rs +// inspired by <https://github.com/nbdd0121/pin-init/blob/trunk/examples/pthread_mutex.rs> #![allow(clippy::undocumented_unsafe_blocks)] #![cfg_attr(feature = "alloc", feature(allocator_api))] #[cfg(not(windows))] diff --git a/rust/pin-init/src/alloc.rs b/rust/pin-init/src/alloc.rs index e16baa3b434e..5017f57442d8 100644 --- a/rust/pin-init/src/alloc.rs +++ b/rust/pin-init/src/alloc.rs @@ -17,11 +17,9 @@ use crate::{ pub extern crate alloc; -// SAFETY: All zeros is equivalent to `None` (option layout optimization guarantee). -// -// In this case we are allowed to use `T: ?Sized`, since all zeros is the `None` variant and there -// is no problem with a VTABLE pointer being null. -unsafe impl<T: ?Sized> ZeroableOption for Box<T> {} +// SAFETY: All zeros is equivalent to `None` (option layout optimization guarantee: +// <https://doc.rust-lang.org/stable/std/option/index.html#representation>). +unsafe impl<T> ZeroableOption for Box<T> {} /// Smart pointer that can initialize memory in-place. pub trait InPlaceInit<T>: Sized { diff --git a/rust/pin-init/src/lib.rs b/rust/pin-init/src/lib.rs index 05c44514765e..0806c689f693 100644 --- a/rust/pin-init/src/lib.rs +++ b/rust/pin-init/src/lib.rs @@ -1447,7 +1447,7 @@ impl_zeroable! { {<T: ?Sized + Zeroable>} UnsafeCell<T>, // SAFETY: All zeros is equivalent to `None` (option layout optimization guarantee: - // https://doc.rust-lang.org/stable/std/option/index.html#representation). + // <https://doc.rust-lang.org/stable/std/option/index.html#representation>). Option<NonZeroU8>, Option<NonZeroU16>, Option<NonZeroU32>, Option<NonZeroU64>, Option<NonZeroU128>, Option<NonZeroUsize>, Option<NonZeroI8>, Option<NonZeroI16>, Option<NonZeroI32>, Option<NonZeroI64>, |