diff options
Diffstat (limited to 'rust')
-rw-r--r-- | rust/kernel/types.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/rust/kernel/types.rs b/rust/kernel/types.rs index 411655eca3e9..9d0fdbc55843 100644 --- a/rust/kernel/types.rs +++ b/rust/kernel/types.rs @@ -85,6 +85,18 @@ impl<T: 'static> ForeignOwnable for Box<T> { } } +impl ForeignOwnable for () { + type Borrowed<'a> = (); + + fn into_foreign(self) -> *const core::ffi::c_void { + core::ptr::NonNull::dangling().as_ptr() + } + + unsafe fn borrow<'a>(_: *const core::ffi::c_void) -> Self::Borrowed<'a> {} + + unsafe fn from_foreign(_: *const core::ffi::c_void) -> Self {} +} + /// Runs a cleanup function/closure when dropped. /// /// The [`ScopeGuard::dismiss`] function prevents the cleanup function from running. |