netstack3_base::rcu

Struct WriteGuard

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pub struct WriteGuard<'a, T>(/* private fields */);
Expand description

A write guard on [SingleWriterRcu].

Implements Deref and DerefMut to get to the contained data.

Changes to the contained data are applied back to the RCU on drop.

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impl<'a, T> WriteGuard<'a, T>

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pub fn discard(self)

Discards this attempt at writing to the RCU. No changes will be committed.

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impl<'a, T> Deref for WriteGuard<'a, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'a, T> DerefMut for WriteGuard<'a, T>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<'a, T> Drop for WriteGuard<'a, T>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl<'a, T> Freeze for WriteGuard<'a, T>
where T: Freeze,

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impl<'a, T> RefUnwindSafe for WriteGuard<'a, T>
where T: RefUnwindSafe,

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impl<'a, T> !Send for WriteGuard<'a, T>

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impl<'a, T> Sync for WriteGuard<'a, T>
where T: Sync + Send,

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impl<'a, T> Unpin for WriteGuard<'a, T>
where T: Unpin,

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impl<'a, T> UnwindSafe for WriteGuard<'a, T>
where T: UnwindSafe + RefUnwindSafe,

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impl<T, A, P> Access<T> for P
where A: Access<T> + ?Sized, P: Deref<Target = A>,

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type Guard = <A as Access<T>>::Guard

A guard object containing the value and keeping it alive. Read more
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fn load(&self) -> <P as Access<T>>::Guard

The loading method. Read more
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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, A> DynAccess<T> for A
where A: Access<T>, <A as Access<T>>::Guard: 'static,

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fn load(&self) -> DynGuard<T>

The equivalent of Access::load.
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impl<T, D> Encode<Ambiguous1, D> for T
where D: ResourceDialect,

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unsafe fn encode( self, _encoder: &mut Encoder<'_, D>, _offset: usize, _depth: Depth, ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. Read more
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impl<T, D> Encode<Ambiguous2, D> for T
where D: ResourceDialect,

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unsafe fn encode( self, _encoder: &mut Encoder<'_, D>, _offset: usize, _depth: Depth, ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. 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, 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<S> MapDerefExt for S
where S: Deref,

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fn map_deref<F, T>(self, map: F) -> MapDeref<S, T, F>
where F: Fn(&<S as Deref>::Target) -> &T,

Maps this value from the current Deref::Target to T.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<CC, BC, Meta> RecvFrameContext<Meta, BC> for CC
where Meta: ReceivableFrameMeta<CC, BC>,

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fn receive_frame<B>(&mut self, bindings_ctx: &mut BC, metadata: Meta, frame: B)
where B: BufferMut + Debug,

Receive a frame. Read more
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impl<R> Rng for R
where R: RngCore + ?Sized,

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fn random<T>(&mut self) -> T
where StandardUniform: Distribution<T>,

Return a random value via the StandardUniform distribution. Read more
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fn random_iter<T>(self) -> Iter<StandardUniform, Self, T>
where Self: Sized, StandardUniform: Distribution<T>,

Return an iterator over random variates Read more
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fn random_range<T, R>(&mut self, range: R) -> T
where T: SampleUniform, R: SampleRange<T>,

Generate a random value in the given range. Read more
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fn random_bool(&mut self, p: f64) -> bool

Return a bool with a probability p of being true. Read more
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fn random_ratio(&mut self, numerator: u32, denominator: u32) -> bool

Return a bool with a probability of numerator/denominator of being true. Read more
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fn sample<T, D>(&mut self, distr: D) -> T
where D: Distribution<T>,

Sample a new value, using the given distribution. Read more
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fn sample_iter<T, D>(self, distr: D) -> Iter<D, Self, T>
where D: Distribution<T>, Self: Sized,

Create an iterator that generates values using the given distribution. Read more
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fn fill<T>(&mut self, dest: &mut T)
where T: Fill + ?Sized,

Fill any type implementing Fill with random data Read more
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fn gen<T>(&mut self) -> T
where StandardUniform: Distribution<T>,

👎Deprecated since 0.9.0: Renamed to random to avoid conflict with the new gen keyword in Rust 2024.
Alias for Rng::random.
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fn gen_range<T, R>(&mut self, range: R) -> T
where T: SampleUniform, R: SampleRange<T>,

👎Deprecated since 0.9.0: Renamed to random_range
Alias for Rng::random_range.
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fn gen_bool(&mut self, p: f64) -> bool

👎Deprecated since 0.9.0: Renamed to random_bool
Alias for Rng::random_bool.
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fn gen_ratio(&mut self, numerator: u32, denominator: u32) -> bool

👎Deprecated since 0.9.0: Renamed to random_ratio
Alias for Rng::random_ratio.
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impl<T> RngCore for T
where T: DerefMut, <T as Deref>::Target: RngCore,

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fn next_u32(&mut self) -> u32

Return the next random u32. Read more
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fn next_u64(&mut self) -> u64

Return the next random u64. Read more
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fn fill_bytes(&mut self, dst: &mut [u8])

Fill dest with random data. Read more
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impl<CC, BC, Meta> SendFrameContext<BC, Meta> for CC
where Meta: SendableFrameMeta<CC, BC>,

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fn send_frame<S>( &mut self, bindings_ctx: &mut BC, metadata: Meta, frame: S, ) -> Result<(), ErrorAndSerializer<SendFrameErrorReason, S>>
where S: Serializer, <S as Serializer>::Buffer: BufferMut,

Send a frame. Read more
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impl<BC, S, Meta, DeviceId> SendableFrameMeta<FakeCoreCtx<S, Meta, DeviceId>, BC> for Meta

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fn send_meta<SS>( self, core_ctx: &mut FakeCoreCtx<S, Meta, DeviceId>, bindings_ctx: &mut BC, frame: SS, ) -> Result<(), ErrorAndSerializer<SendFrameErrorReason, SS>>
where SS: Serializer, <SS as Serializer>::Buffer: BufferMut,

Sends this frame metadata to the provided contexts.
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impl<Meta, BC> SendableFrameMeta<FakeFrameCtx<Meta>, BC> for Meta

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fn send_meta<S>( self, core_ctx: &mut FakeFrameCtx<Meta>, _bindings_ctx: &mut BC, frame: S, ) -> Result<(), ErrorAndSerializer<SendFrameErrorReason, S>>
where S: Serializer, <S as Serializer>::Buffer: BufferMut,

Sends this frame metadata to the provided contexts.
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impl<Id, CC, BC> TimerHandler<BC, Id> for CC
where BC: TimerBindingsTypes, Id: HandleableTimer<CC, BC>,

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fn handle_timer( &mut self, bindings_ctx: &mut BC, dispatch: Id, timer: <BC as TimerBindingsTypes>::UniqueTimerId, )

Handle a timer firing. 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<R> TryRngCore for R
where R: RngCore + ?Sized,

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type Error = Infallible

The type returned in the event of a RNG error.
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fn try_next_u32(&mut self) -> Result<u32, <R as TryRngCore>::Error>

Return the next random u32.
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fn try_next_u64(&mut self) -> Result<u64, <R as TryRngCore>::Error>

Return the next random u64.
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fn try_fill_bytes( &mut self, dst: &mut [u8], ) -> Result<(), <R as TryRngCore>::Error>

Fill dest entirely with random data.
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fn unwrap_err(self) -> UnwrapErr<Self>
where Self: Sized,

Wrap RNG with the UnwrapErr wrapper.
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fn unwrap_mut(&mut self) -> UnwrapMut<'_, Self>

Wrap RNG with the UnwrapMut wrapper.
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fn read_adapter(&mut self) -> RngReadAdapter<'_, Self>
where Self: Sized,

Convert an RngCore to a RngReadAdapter.
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impl<L, T> UnlockedAccess<L> for T
where L: UnlockedAccessMarkerFor<T>,

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type Data = <L as UnlockedAccessMarkerFor<T>>::Data

The type of state being accessed.
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type Guard<'l> = &'l <L as UnlockedAccessMarkerFor<T>>::Data where T: 'l

A guard providing read access to the data.
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fn access(&self) -> <T as UnlockedAccess<L>>::Guard<'_>

How to access the state.
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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> CryptoRng for T
where T: DerefMut, <T as Deref>::Target: CryptoRng,

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impl<B, A> LockBefore<B> for A
where B: LockAfter<A>,

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impl<R> TryCryptoRng for R
where R: CryptoRng + ?Sized,