sel4_microkit

Struct NullHandler

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pub struct NullHandler(/* private fields */);
Expand description

A Handler implementation which does not override any of the default method implementations.

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impl Handler for NullHandler

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type Error = Infallible

Error type returned by this protection domain’s entrypoints.
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fn notified(&mut self, channel: Channel) -> Result<(), Self::Error>

This method has the same meaning and type as its analog in libmicrokit. Read more
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fn protected( &mut self, channel: Channel, msg_info: MessageInfo, ) -> Result<MessageInfo, Self::Error>

This method has the same meaning and type as its analog in libmicrokit. Read more
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fn fault( &mut self, child: Child, msg_info: MessageInfo, ) -> Result<Option<MessageInfo>, Self::Error>

This method has the same meaning and type as its analog in libmicrokit. Read more
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fn take_deferred_action(&mut self) -> Option<DeferredAction>

An advanced feature for use by protection domains which seek to coalesce syscalls when possible. Read more

Auto Trait Implementations§

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impl Freeze for NullHandler

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impl RefUnwindSafe for NullHandler

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impl Send for NullHandler

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impl Sync for NullHandler

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impl Unpin for NullHandler

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impl UnwindSafe for NullHandler

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, 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> UpcastIntoPayload for T
where T: Any + Send + 'static,

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fn upcast_into_payload(self) -> Payload