FRAME_ALLOCATOR

os::mm::frame_allocator::frame_allocator

Struct FRAME_ALLOCATOR 

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pub struct FRAME_ALLOCATOR {
    __private_field: (),
}
Expand description

全局物理帧分配器，由自旋锁保护。

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§__private_field: ()

Methods from Deref<Target = SpinLock<FrameAllocator>>§

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pub fn lock(&self) -> SpinLockGuard<'_, T>

获取自旋锁，并返回一个 RAII 保护器，用于访问和修改内部数据。

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pub fn try_lock(&self) -> Option<SpinLockGuard<'_, T>>

尝试获取自旋锁，如果成功则返回 RAII 保护器，否则返回 None。

Trait Implementations§

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impl Deref for FRAME_ALLOCATOR

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type Target = SpinLock<FrameAllocator>

The resulting type after dereferencing.
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fn deref(&self) -> &SpinLock<FrameAllocator>

Dereferences the value.
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impl LazyStatic for FRAME_ALLOCATOR

Auto Trait Implementations§

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impl Freeze for FRAME_ALLOCATOR

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impl RefUnwindSafe for FRAME_ALLOCATOR

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impl Send for FRAME_ALLOCATOR

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impl Sync for FRAME_ALLOCATOR

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impl Unpin for FRAME_ALLOCATOR

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impl UnwindSafe for FRAME_ALLOCATOR

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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.