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WeakLocalMemory

monarch_rdma::local_memory

Struct WeakLocalMemory 

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pub struct WeakLocalMemory { /* private fields */ }
Expand description

Non-pinning counterpart of KeepaliveLocalMemory.

Holds the shared [LocalMemoryInner] (so a re-promoted strong handle sees the same MR slot and access lock) plus a WeakKeepalive that can be upgraded to a fresh Arc<dyn Keepalive> as long as the referent is still alive.

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impl WeakLocalMemory

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pub fn addr(&self) -> usize

Starting virtual address of the memory region.

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pub fn size(&self) -> usize

Size of the memory region in bytes.

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pub fn upgrade(&self) -> Option<KeepaliveLocalMemory>

Materialize a strong KeepaliveLocalMemory sharing this handle’s [LocalMemoryInner]. Returns None if the referent has gone away or if its currently-computed (addr, size) no longer matches the values stored on this handle — the latter guarding against the live referent describing a different memory region than the one this weak handle was paired with at downgrade time.

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impl Clone for WeakLocalMemory

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fn clone(&self) -> WeakLocalMemory

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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