vmcore::vmtime

Struct VmTimeSourceBuilder

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

A time source builder, used to spawn tasks that back VmTimeSource instances.

Note that this can be sent across processes via mesh.

However, the time keeping infrastructure assumes that all time keeping tasks share a single global monotonic OS clock. This means that if you send this across a VM/kernel/network boundary, the resulting time sources will not be in sync with each other.

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impl VmTimeSourceBuilder

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pub async fn build( &self, driver: &impl SpawnDriver, ) -> Result<VmTimeSource, TimeKeeperIsGone>

Builds and spawns a backing task for VmTimeSources. All VmTimeSource instances cloned from the first one will share a backing task.

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impl Clone for VmTimeSourceBuilder

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fn clone(&self) -> VmTimeSourceBuilder

Returns a copy 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 Debug for VmTimeSourceBuilder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl DefaultEncoding for VmTimeSourceBuilder

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type Encoding = TableEncoder

The encoding to use for the serialization. Read more
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impl<'encoding> StructDecodeMetadata<'encoding, Resource> for VmTimeSourceBuilder

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const DECODERS: &'static [ErasedDecoderEntry] = _

The list of decoder vtables.
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impl StructEncodeMetadata<Resource> for VmTimeSourceBuilder

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const ENCODERS: &'static [ErasedEncoderEntry] = _

The list of encoder vtables.
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impl StructMetadata for VmTimeSourceBuilder

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const NUMBERS: &'static [u32] = _

The field numbers for each field.
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const OFFSETS: &'static [usize] = _

The byte offset to each field within the struct.

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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, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> 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> MeshField for T

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impl<T> MeshPayload for T
where T: DefaultEncoding + Any + Send + 'static, <T as DefaultEncoding>::Encoding: MessageEncode<T, Resource> + for<'a> MessageDecode<'a, T, Resource> + FieldEncode<T, Resource> + for<'a> FieldDecode<'a, T, Resource> + Send + Sync,

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impl<T> SerializeMessage for T
where T: 'static + MeshPayload + Send,

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type Concrete = T

The underlying concrete message type.
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fn compute_message_size(&mut self, sizer: MessageSizer<'_>)

Computes the message size, as in MessageEncode::compute_message_size.
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fn write_message(self, writer: MessageWriter<'_, '_, Resource>)

Writes the message, as in MessageEncode::write_message.
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fn extract(self) -> <T as SerializeMessage>::Concrete

Extract the concrete message.
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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<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