cloudabi

Struct subscription

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#[repr(C)]
pub struct subscription {
    pub userdata: userdata,
    pub unused: u16,
    pub type: eventtype,
    pub union: subscription_union,
}
Expand description

Subscription to an event.

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§userdata: userdata

User-provided value that is attached to the subscription in the kernel and returned through event.userdata.

§unused: u16

Used by previous implementations. Ignored.

§type: eventtype

The type of the event to which to subscribe.

Currently, CONDVAR, LOCK_RDLOCK, and LOCK_WRLOCK must be provided as the first subscription and may only be followed by up to one other subscription, having type CLOCK.

§union: subscription_union

Trait Implementations§

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impl Clone for subscription

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fn clone(&self) -> subscription

Returns a duplicate 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 Copy for subscription

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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

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