⚠️ VeridianOS Kernel Documentation - This is low-level kernel code. All functions are unsafe unless explicitly marked otherwise. no_std

CowMapping

veridian_kernel::process::memory

Struct CowMapping 

Source 
pub struct CowMapping {
    pub original_page: PhysicalAddress,
    pub ref_count: AtomicUsize,
}
Expand description

Copy-on-write (COW) support

Fields§

§original_page: PhysicalAddress

Original physical page

§ref_count: AtomicUsize

Reference count

Implementations§

Source§

impl CowMapping

Source

pub fn new(page: PhysicalAddress) -> Self

Create a new COW mapping

Source

pub fn inc_ref(&self)

Increment reference count

Source

pub fn dec_ref(&self) -> usize

Decrement reference count

Source

pub fn ref_count(&self) -> usize

Get reference count

Auto Trait Implementations§

§

impl !Freeze for CowMapping

§

impl RefUnwindSafe for CowMapping

§

impl Send for CowMapping

§

impl Sync for CowMapping

§

impl Unpin for CowMapping

§

impl UnwindSafe for CowMapping

Blanket Implementations§

§

impl<T> Any for T
where T: 'static + ?Sized,

§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
§

impl<T> Borrow<T> for T
where T: ?Sized,

§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
§

impl<T> BorrowMut<T> for T
where T: ?Sized,

§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
§

impl<T> From<T> for T

§

fn from(t: T) -> T

Returns the argument unchanged.

§

impl<T, U> Into<U> for T
where U: From<T>,

§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

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

The type returned in the event of a conversion error.
§

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

Performs the conversion.