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

A handle for a file descriptor.

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impl DescriptorHandle

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pub const fn new(fd: u32) -> Option<Self>

Returns Some if fd is less than FD_MAX. Can be used in const contexts.

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pub fn val(&self) -> u32

Trait Implementations§

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impl Clone for DescriptorHandle

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fn clone(&self) -> DescriptorHandle

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 Debug for DescriptorHandle

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for DescriptorHandle

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<DescriptorHandle> for SyscallReg

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fn from(x: DescriptorHandle) -> SyscallReg

Converts to this type from the input type.
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impl From<DescriptorHandle> for i32

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fn from(x: DescriptorHandle) -> i32

Converts to this type from the input type.
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impl From<DescriptorHandle> for i64

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fn from(x: DescriptorHandle) -> i64

Converts to this type from the input type.
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impl From<DescriptorHandle> for u32

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fn from(x: DescriptorHandle) -> u32

Converts to this type from the input type.
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impl From<DescriptorHandle> for u64

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fn from(x: DescriptorHandle) -> u64

Converts to this type from the input type.
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impl Hash for DescriptorHandle

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for DescriptorHandle

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fn cmp(&self, other: &DescriptorHandle) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for DescriptorHandle

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fn eq(&self, other: &DescriptorHandle) -> 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 PartialOrd for DescriptorHandle

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fn partial_cmp(&self, other: &DescriptorHandle) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl TryFrom<i32> for DescriptorHandle

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type Error = DescriptorHandleError

The type returned in the event of a conversion error.
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fn try_from(x: i32) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<i64> for DescriptorHandle

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type Error = <DescriptorHandle as TryFrom<i32>>::Error

The type returned in the event of a conversion error.
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fn try_from(x: i64) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<u32> for DescriptorHandle

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type Error = DescriptorHandleError

The type returned in the event of a conversion error.
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fn try_from(x: u32) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<u64> for DescriptorHandle

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type Error = <DescriptorHandle as TryFrom<u32>>::Error

The type returned in the event of a conversion error.
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fn try_from(x: u64) -> Result<Self, Self::Error>

Performs the conversion.
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impl Copy for DescriptorHandle

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impl Eq for DescriptorHandle

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impl StructuralPartialEq for DescriptorHandle

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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> NoTypeInference for T

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type This = T

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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> Host for T
where T: Debug + Send,

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impl<T> Host for T
where T: Debug + Send + 'static,

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impl<T> Host for T
where T: Host + Host,

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impl<N> NodeTrait for N
where N: Copy + Ord + Hash,

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impl<T> StatusBarState for T
where T: Display + Send + Sync,