Struct SyncWaker

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pub(crate) struct SyncWaker {
    inner: Mutex<Waker>,
    is_empty: Atomic<bool>,
}
🔬This is a nightly-only experimental API. (mpmc_channel #126840)
Expand description

A waker that can be shared among threads without locking.

This is a simple wrapper around Waker that internally uses a mutex for synchronization.

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§inner: Mutex<Waker>
🔬This is a nightly-only experimental API. (mpmc_channel #126840)

The inner Waker.

§is_empty: Atomic<bool>
🔬This is a nightly-only experimental API. (mpmc_channel #126840)

true if the waker is empty.

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impl SyncWaker

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pub(crate) fn new() -> Self

🔬This is a nightly-only experimental API. (mpmc_channel #126840)

Creates a new SyncWaker.

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pub(crate) fn register(&self, oper: Operation, cx: &Context)

🔬This is a nightly-only experimental API. (mpmc_channel #126840)

Registers the current thread with an operation.

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pub(crate) fn unregister(&self, oper: Operation) -> Option<Entry>

🔬This is a nightly-only experimental API. (mpmc_channel #126840)

Unregisters an operation previously registered by the current thread.

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pub(crate) fn notify(&self)

🔬This is a nightly-only experimental API. (mpmc_channel #126840)

Attempts to find one thread (not the current one), select its operation, and wake it up.

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pub(crate) fn disconnect(&self)

🔬This is a nightly-only experimental API. (mpmc_channel #126840)

Notifies all threads that the channel is disconnected.

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impl Drop for SyncWaker

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fn drop(&mut self)

Executes the destructor for this type. Read more

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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> 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, 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> SizedTypeProperties for T

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#[doc(hidden)] const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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#[doc(hidden)] const LAYOUT: Layout = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)] const MAX_SLICE_LEN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
The largest safe length for a [Self]. 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.