Defragment

zenoh_shm::api::provider::shm_provider

Struct Defragment 

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pub struct Defragment<InnerPolicy = JustAlloc, AltPolicy = JustAlloc> { /* private fields */ }
Expand description

Defragmenting policy.

This API has been marked as unstable: it works as advertised, but it may be changed in a future release.

Try to defragment if allocation failed and allocate again if the largest defragmented chuk is not smaller than the one required

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impl<InnerPolicy, AltPolicy> Defragment<InnerPolicy, AltPolicy>

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pub fn new(inner_policy: InnerPolicy, alt_policy: AltPolicy) -> Self

Creates a new Defragment policy.

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impl<Backend, InnerPolicy, AltPolicy> AllocPolicy<Backend> for Defragment<InnerPolicy, AltPolicy>
where Backend: ShmProviderBackend, InnerPolicy: AllocPolicy<Backend>, AltPolicy: AllocPolicy<Backend>,

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fn alloc( &self, layout: &MemoryLayout, provider: &ShmProvider<Backend>, ) -> ChunkAllocResult

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impl<InnerPolicy: Clone, AltPolicy: Clone> Clone for Defragment<InnerPolicy, AltPolicy>

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fn clone(&self) -> Defragment<InnerPolicy, AltPolicy>

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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impl<InnerPolicy: ConstPolicy, AltPolicy: ConstPolicy> ConstPolicy for Defragment<InnerPolicy, AltPolicy>

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const NEW: Self

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impl<InnerPolicy: Copy, AltPolicy: Copy> Copy for Defragment<InnerPolicy, AltPolicy>

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impl<InnerPolicy: SafePolicy, AltPolicy: SafePolicy> SafePolicy for Defragment<InnerPolicy, AltPolicy>

Auto Trait Implementations§

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impl<InnerPolicy, AltPolicy> Freeze for Defragment<InnerPolicy, AltPolicy>
where InnerPolicy: Freeze, AltPolicy: Freeze,

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impl<InnerPolicy, AltPolicy> RefUnwindSafe for Defragment<InnerPolicy, AltPolicy>
where InnerPolicy: RefUnwindSafe, AltPolicy: RefUnwindSafe,

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impl<InnerPolicy, AltPolicy> Send for Defragment<InnerPolicy, AltPolicy>
where InnerPolicy: Send, AltPolicy: Send,

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impl<InnerPolicy, AltPolicy> Sync for Defragment<InnerPolicy, AltPolicy>
where InnerPolicy: Sync, AltPolicy: Sync,

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impl<InnerPolicy, AltPolicy> Unpin for Defragment<InnerPolicy, AltPolicy>
where InnerPolicy: Unpin, AltPolicy: Unpin,

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impl<InnerPolicy, AltPolicy> UnwindSafe for Defragment<InnerPolicy, AltPolicy>
where InnerPolicy: UnwindSafe, AltPolicy: UnwindSafe,

Blanket Implementations§

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impl<Source> AccessAs for Source

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fn ref_as<T>(&self) -> <Source as IGuardRef<T>>::Guard<'_>
where Source: IGuardRef<T>, T: ?Sized,

Provides immutable access to a type as if it were its ABI-unstable equivalent.
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fn mut_as<T>(&mut self) -> <Source as IGuardMut<T>>::GuardMut<'_>
where Source: IGuardMut<T>, T: ?Sized,

Provides mutable access to a type as if it were its ABI-unstable equivalent.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, As> IGuardMut<As> for T
where T: Into<As>, As: Into<T>,

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type GuardMut<'a> = MutAs<'a, T, As> where T: 'a

The type of the guard which will clean up the temporary after applying its changes to the original.
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fn guard_mut_inner(&mut self) -> <T as IGuardMut<As>>::GuardMut<'_>

Construct the temporary and guard it through a mutable reference.
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impl<T, As> IGuardRef<As> for T
where T: Into<As>, As: Into<T>,

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type Guard<'a> = RefAs<'a, T, As> where T: 'a

The type of the guard which will clean up the temporary.
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fn guard_ref_inner(&self) -> <T as IGuardRef<As>>::Guard<'_>

Construct the temporary and guard it through an immutable reference.
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impl<T> Includes<End> for T

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type Output = End

The result
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> PolicyValue<T> for T
where T: Copy,

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fn get(&self) -> T

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more