# ProcessControlBlock in os::task::process - Rust
API documentation for the Rust `ProcessControlBlock` struct in crate `os`.
Keywords: rust, rustlang, rust-lang, ProcessControlBlock

# Struct os::task::process::ProcessControlBlock

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    pub struct ProcessControlBlock {
        pub pid: PidHandle,
        inner: UPSafeCell<ProcessControlBlockInner>,
    }

## Fields

`pid: PidHandle` `inner: UPSafeCell<ProcessControlBlockInner>`

## Implementations

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### impl ProcessControlBlock

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

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#### pub fn new(elf_data: &[ u8 ]) -> Arc<Self>

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#### pub fn exec(self: &Arc<Self>, elf_data: &[ u8 ], args: Vec<String>)

Only support processes with a single thread.

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#### pub fn fork(self: &Arc<Self>) -> Arc<Self>

Only support processes with a single thread.

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#### pub fn getpid(&self) -> usize

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#### pub fn kernel_process() -> Arc<Self>

## Auto Trait Implementations

### impl !RefUnwindSafe for ProcessControlBlock

### impl Send for ProcessControlBlock

### impl Sync for ProcessControlBlock

### impl Unpin for ProcessControlBlock

### impl !UnwindSafe for ProcessControlBlock

## 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

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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>,

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<U> 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<U>>::Error>

Performs the conversion.

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### 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.

const: unstable · source

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

Performs the conversion.