PosixShmProviderBackendTalc

zenoh_shm::api::protocol_implementations::posix::posix_shm_provider_backend_talc

Struct PosixShmProviderBackendTalc 

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

A talc backend based on POSIX shared memory.

This API has been marked as unstable: it works as advertised, but it may be changed in a future release.
This is the default general-purpose backend shipped with Zenoh. Talc allocator provides great performnce (2nd after `buddy_system_allocator`) while maintaining excellent fragmentation resistance and memory utilization efficiency.

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impl PosixShmProviderBackendTalc

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pub fn builder<Layout>( layout: Layout, ) -> PosixShmProviderBackendTalcBuilder<Layout>

Get the builder to construct a new instance

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

Trait Implementations§

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impl ShmProviderBackend for PosixShmProviderBackendTalc

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fn alloc(&self, layout: &MemoryLayout) -> ChunkAllocResult

Allocate the chunk of desired size. Read more
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fn free(&self, chunk: &ChunkDescriptor)

Deallocate the chunk. Read more
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fn defragment(&self) -> usize

Defragment the memory. Read more
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fn available(&self) -> usize

Bytes available for use Read more
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fn layout_for(&self, layout: MemoryLayout) -> Result<MemoryLayout, ZLayoutError>

Check and calculate suitable layout for layout. Read more
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impl WithProtocolID for PosixShmProviderBackendTalc

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fn id(&self) -> ProtocolID

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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> 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>

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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, U> TryFrom<U> for 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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