Struct devices::virtio::video::utils::SyncEventQueue

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pub struct SyncEventQueue<T>(Mutex<EventQueue<T>>);
Expand description

An EventQueue that is Sync, Send, and non-mut - i.e. that can easily be passed across threads and wrapped into a Rc or Arc.

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§0: Mutex<EventQueue<T>>

Implementations§

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impl<T> SyncEventQueue<T>

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pub fn queue_event(&self, event: T) -> Result<()>

Add event to the queue.

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pub fn dequeue_event(&self) -> Result<T>

Read the next event, blocking until an event becomes available.

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pub fn retain<P: FnMut(&T) -> bool>(&self, predicate: P)

Remove all the posted events for which predicate returns false.

Trait Implementations§

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impl<T> AsRawDescriptor for SyncEventQueue<T>

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fn as_raw_descriptor(&self) -> RawDescriptor

Returns the underlying raw descriptor. Read more
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impl<T> From<EventQueue<T>> for SyncEventQueue<T>

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fn from(queue: EventQueue<T>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<T> !Freeze for SyncEventQueue<T>

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impl<T> RefUnwindSafe for SyncEventQueue<T>

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impl<T> Send for SyncEventQueue<T>
where T: Send,

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impl<T> Sync for SyncEventQueue<T>
where T: Send,

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impl<T> Unpin for SyncEventQueue<T>
where T: Unpin,

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impl<T> UnwindSafe for SyncEventQueue<T>

Blanket Implementations§

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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> AsRawDescriptors for T
where T: AsRawDescriptor,

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fn as_raw_descriptors(&self) -> Vec<i32>

Returns the underlying raw descriptors. 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> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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, 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