Struct os::task::TaskControlBlock

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

Task control block structure

Fields

process: Weak<ProcessControlBlock>

immutable

kstack: KernelStack

Kernel stack corresponding to PID

inner: UPSafeCell<TaskControlBlockInner>

mutable

Implementations

impl TaskControlBlock

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

Get the mutable reference of the inner TCB

pub fn get_user_token(&self) -> usize

Get the address of app’s page table

impl TaskControlBlock

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

Create a new task