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SessionAuthority

Struct SessionAuthority 

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

Unique authority for a mutable session and its unresolved submission.

Beginning work requires exclusive access to this non-cloneable owner. The active ticket is atomic so a completion may resolve on another thread; this does not make a backend’s native session or resources thread-safe. Each authority allocates once, and each lease shares that allocation.

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impl SessionAuthority

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pub fn new() -> Self

Creates idle authority for one session.

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pub fn require_idle(&self) -> Result<(), SessionAuthorityError>

Rejects mutation while a submission completion owns this session.

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pub fn begin_submission( &mut self, ) -> Result<SubmissionLease, SessionAuthorityError>

Begins one submission before native allocation or mutable execution.

An aborted submission releases automatically when its lease is dropped. Successful submission moves the lease into its native completion; no second independently releasable copy can be created.

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impl Debug for SessionAuthority

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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 Default for SessionAuthority

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fn default() -> Self

Returns the “default value” for a type. 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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Same for T

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type Output = T

Should always be Self
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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.