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PolledChild

Struct PolledChild 

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pub struct PolledChild<C> { /* private fields */ }
Expand description

An owned child process with an asynchronous exit wait.

The wait field is declared before child so that the backend wait registration is dropped before the child’s underlying handle or fd.

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impl<C> PolledChild<C>

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pub fn into_inner(self) -> C

Returns the inner child, dropping the wait registration.

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pub fn get(&self) -> &C

Gets a reference to the inner child.

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pub fn get_mut(&mut self) -> &mut C

Gets a mutable reference to the inner child.

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impl PolledChild<Child>

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pub fn new(driver: &(impl ?Sized + Driver), child: Child) -> Result<Self>

Creates a new PolledChild wrapping a std::process::Child.

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pub fn poll_wait(&mut self, cx: &mut Context<'_>) -> Poll<Result<ExitStatus>>

Polls for the child process to exit.

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pub fn wait(&mut self) -> impl '_ + Unpin + Future<Output = Result<ExitStatus>>

Waits for the child process to exit.

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impl PolledChild<Child>

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pub fn new(driver: &(impl ?Sized + Driver), child: Child) -> Result<Self>

Creates a new PolledChild wrapping a [pal::unix::process::Child].

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pub fn poll_wait(&mut self, cx: &mut Context<'_>) -> Poll<Result<ExitStatus>>

Polls for the child process to exit.

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pub fn wait(&mut self) -> impl '_ + Unpin + Future<Output = Result<ExitStatus>>

Waits for the child process to exit.

Auto Trait Implementations§

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impl<C> !Freeze for PolledChild<C>

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impl<C> !RefUnwindSafe for PolledChild<C>

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impl<C> Send for PolledChild<C>
where C: Send,

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impl<C> Sync for PolledChild<C>
where C: Sync,

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impl<C> Unpin for PolledChild<C>
where C: Unpin,

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impl<C> UnsafeUnpin for PolledChild<C>
where C: UnsafeUnpin,

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impl<C> !UnwindSafe for PolledChild<C>

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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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<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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more