FrameTracker

Struct FrameTracker 

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pub struct FrameTracker(Ppn);
Expand description

物理帧跟踪器。 实现了 RAII 模式:当此结构体被 drop 时,它所管理的物理页帧会被自动回收。

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§0: Ppn

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impl FrameTracker

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pub fn new(ppn: Ppn) -> Self

创建一个新的 FrameTracker。 在创建时,会自动将该物理页帧清零。

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pub fn ppn(&self) -> Ppn

获取此帧跟踪器所管理的物理页号 (Ppn)。

Trait Implementations§

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impl Debug for FrameTracker

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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 FrameTracker

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fn drop(&mut self)

自动回收物理页帧。

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impl Freeze for FrameTracker

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impl RefUnwindSafe for FrameTracker

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impl Send for FrameTracker

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impl Sync for FrameTracker

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impl Unpin for FrameTracker

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impl UnwindSafe for FrameTracker

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, 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.