ProcessSlots

Struct ProcessSlots 

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pub struct ProcessSlots<T: Trace> {
    slots: Vec<<<T as Trace>::VM as VMBinding>::VMSlot>,
    bucket: WorkBucketStage,
}
Expand description

A work packet for processing slots during a stop-the-world tracing GC and the final mark pause of a concurrent GC.

It will call trace_object on the value of each slot, and updates the slot if the object is moved or forwarded. It will spawn or immediately run the ProcessNodes work packet to scan newly traced objects.

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§slots: Vec<<<T as Trace>::VM as VMBinding>::VMSlot>§bucket: WorkBucketStage

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impl<T: Trace> ProcessSlots<T>

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const SCAN_OBJECTS_IMMEDIATELY: bool = true

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pub fn new( slots: Vec<<<T as Trace>::VM as VMBinding>::VMSlot>, bucket: WorkBucketStage, ) -> Self

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fn process_slots( &mut self, worker: &mut GCWorker<T::VM>, trace: T, ) -> VectorQueue<ObjectReference>

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fn flush( &mut self, worker: &mut GCWorker<T::VM>, queue: VectorQueue<ObjectReference>, )

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impl<T: Trace> GCWork<<T as Trace>::VM> for ProcessSlots<T>

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fn do_work(&mut self, worker: &mut GCWorker<T::VM>, mmtk: &'static MMTK<T::VM>)

Define the work for this packet. However, this is not supposed to be called directly. Usually do_work_with_stat() should be used. Read more
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fn do_work_with_stat( &mut self, worker: &mut GCWorker<VM>, mmtk: &'static MMTK<VM>, )

Do work and collect statistics. This internally calls do_work(). In most cases, this should be called rather than do_work() so that MMTk can correctly collect statistics for the work packets. If the feature “work_packet_stats” is not enabled, this call simply forwards the call to do_work().
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fn get_type_name(&self) -> &'static str

Get the compile-time static type name for the work packet.

Auto Trait Implementations§

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impl<T> Freeze for ProcessSlots<T>

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impl<T> RefUnwindSafe for ProcessSlots<T>
where <<T as Trace>::VM as VMBinding>::VMSlot: RefUnwindSafe,

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impl<T> Send for ProcessSlots<T>

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impl<T> Sync for ProcessSlots<T>
where <<T as Trace>::VM as VMBinding>::VMSlot: Sync,

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impl<T> Unpin for ProcessSlots<T>
where <<T as Trace>::VM as VMBinding>::VMSlot: Unpin,

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impl<T> UnwindSafe for ProcessSlots<T>
where <<T as Trace>::VM as VMBinding>::VMSlot: UnwindSafe,

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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> Downcast for T
where T: Any,

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

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

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

Converts &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)

Converts &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> DowncastSend for T
where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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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where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.