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authorAlice Ryhl <[email protected]>2024-04-02 13:07:43 +0000
committerMiguel Ojeda <[email protected]>2024-05-05 18:04:31 +0200
commita0a4e17013f68739733028bba89673cdbb9caabd (patch)
treeda40634ba40ccef871d9bb55d625c68f08c8a687 /rust/kernel/alloc/allocator.rs
parent51f6af86de35bfd12a005caf457f2ec834193de8 (diff)
rust: sync: add `Arc::into_unique_or_drop`
Decrement the refcount of an `Arc`, but handle the case where it hits zero by taking ownership of the now-unique `Arc`, instead of destroying and deallocating it. This is a dependency of the linked list that Rust Binder uses. The linked list uses this method as part of its `ListArc` abstraction [1]. Boqun Feng has authored the examples. Reviewed-by: Benno Lossin <[email protected]> Reviewed-by: Boqun Feng <[email protected]> Link: https://lore.kernel.org/r/[email protected] [1] Co-developed-by: Boqun Feng <[email protected]> Signed-off-by: Boqun Feng <[email protected]> Signed-off-by: Alice Ryhl <[email protected]> Link: https://lore.kernel.org/r/[email protected] [ Replace `try_new` with `new` in example since we now have the new allocation APIs. - Miguel ] Signed-off-by: Miguel Ojeda <[email protected]>
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