kernel::syscall

Enum ContextSwitchReason

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pub enum ContextSwitchReason {
    SyscallFired {
        syscall: Syscall,
    },
    Fault,
    Interrupted,
}
Expand description

ContextSwitchReason specifies why the process stopped executing and execution returned to the kernel.

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SyscallFired

Process called a syscall. Also returns the syscall and relevant values.

Fields

§syscall: Syscall
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Fault

Process triggered the hardfault handler. The implementation should still save registers in the event that the platform can handle the fault and allow the app to continue running. For more details on this see ProcessFault.

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Interrupted

Process was interrupted (e.g. by a hardware event).

Trait Implementations§

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impl Clone for ContextSwitchReason

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fn clone(&self) -> ContextSwitchReason

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl PartialEq for ContextSwitchReason

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fn eq(&self, other: &ContextSwitchReason) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for ContextSwitchReason

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impl StructuralPartialEq for ContextSwitchReason

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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.