Struct sync::Waitable

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pub struct Waitable(pub(crate) Arc<(Condvar, Mutex<bool>)>);
Expand description

Waitable allows one thread to wait on a signal from another thread.

A Waitable is usually created with a Promise using create_promise_and_waitable, and the Promise is used by one thread and the Waitable can be used by another thread. Promise and Waitable do not use any OS-level synchronization primitives.

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§0: Arc<(Condvar, Mutex<bool>)>

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impl Waitable

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pub fn signaled() -> Self

Return an already-signaled Waitable.

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pub fn wait(&self, timeout: Option<Duration>) -> WaitTimeoutResult

Perform a blocking wait on this Waitable.

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impl<T> Any for T
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fn borrow_mut(&mut self) -> &mut T

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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type Error = Infallible

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Performs the conversion.
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impl<T, U> TryInto<U> for 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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Performs the conversion.