Struct os::task::TaskControlBlock

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pub struct TaskControlBlock {
    pub process: Weak<ProcessControlBlock>,
    pub kstack: KernelStack,
    inner: UPSafeCell<TaskControlBlockInner>,
}

Expand description

Task control block structure

Fields

process: Weak<ProcessControlBlock>

immutable

kstack: KernelStack

Kernel stack corresponding to PID

inner: UPSafeCell<TaskControlBlockInner>

mutable

Implementations

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impl TaskControlBlock

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pub fn inner_exclusive_access(&self) -> RefMut<'_, TaskControlBlockInner>

Get the mutable reference of the inner TCB

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pub fn get_user_token(&self) -> usize

Get the address of app’s page table

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impl TaskControlBlock

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pub fn new(
 process: Arc<ProcessControlBlock>,
 ustack_base: usize,
 alloc_user_res: bool
) -> Self

Create a new task

Auto Trait Implementations

impl !RefUnwindSafe for TaskControlBlock

impl Send for TaskControlBlock

impl Sync for TaskControlBlock

impl Unpin for TaskControlBlock

impl !UnwindSafe for TaskControlBlock

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,

const: unstable · source

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,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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 for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Struct os::task::TaskControlBlock

Fields

Implementations

impl TaskControlBlock

pub fn inner_exclusive_access(&self) -> RefMut<'_, TaskControlBlockInner>

pub fn get_user_token(&self) -> usize

impl TaskControlBlock

pub fn new(
    process: Arc<ProcessControlBlock>,
    ustack_base: usize,
    alloc_user_res: bool
) -> Self

Auto Trait Implementations

impl !RefUnwindSafe for TaskControlBlock

impl Send for TaskControlBlock

impl Sync for TaskControlBlock

impl Unpin for TaskControlBlock

impl !UnwindSafe for TaskControlBlock

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Struct os::task::TaskControlBlock

Fields

Implementations

impl TaskControlBlock

pub fn inner_exclusive_access(&self) -> RefMut<'_, TaskControlBlockInner>

pub fn get_user_token(&self) -> usize

impl TaskControlBlock

pub fn new( process: Arc<ProcessControlBlock>, ustack_base: usize, alloc_user_res: bool) -> Self

Auto Trait Implementations

impl !RefUnwindSafe for TaskControlBlock

impl Send for TaskControlBlock

impl Sync for TaskControlBlock

impl Unpin for TaskControlBlock

impl !UnwindSafe for TaskControlBlock

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

pub fn new(
process: Arc<ProcessControlBlock>,
ustack_base: usize,
alloc_user_res: bool
) -> Self

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

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

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

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

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

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