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PreparedCurrentPark

Struct PreparedCurrentPark 

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

Move-only ownership of one prepared current-thread park transaction.

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impl PreparedCurrentPark

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pub fn thread_id(&self) -> ThreadId

Returns the generation-bearing scheduler identity being parked.

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pub fn wake_handle(&self) -> ThreadWakeHandle

Returns a generation-bearing wake capability for this parked thread.

External waiter queues should publish only this restricted capability, not a full scheduler thread handle.

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pub fn generation(&self) -> u64

Returns this park attempt’s monotonically increasing generation.

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pub fn arm_deadline( &mut self, deadline: MonotonicDeadline, ) -> Result<(), TaskError>

Arms an absolute deadline in the runtime’s finite monotonic domain.

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pub fn commit(self) -> Result<CurrentParkResume, TaskError>

Commits the scheduler park and returns after this thread is runnable again.

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pub fn cancel(self) -> Result<(), TaskError>

Cancels this transaction without blocking the current thread.

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impl Debug for PreparedCurrentPark

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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 Drop for PreparedCurrentPark

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. 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> 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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.