Struct DeviceFd

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

Ref-counted file descriptor of an open device node

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impl AsFd for DeviceFd

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fn as_fd(&self) -> BorrowedFd<'_>

Borrows the file descriptor. Read more
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impl AsRawFd for DeviceFd

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fn as_raw_fd(&self) -> RawFd

Extracts the raw file descriptor. Read more
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impl Clone for DeviceFd

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fn clone(&self) -> DeviceFd

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

Performs copy-assignment from source. Read more
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impl Debug for DeviceFd

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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<OwnedFd> for DeviceFd

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fn from(fd: OwnedFd) -> Self

Converts to this type from the input type.
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impl FromRawFd for DeviceFd

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unsafe fn from_raw_fd(fd: RawFd) -> Self

SAFETY: Make sure that fd is a valid value!

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impl PartialEq for DeviceFd

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

Tests for self and other values to be equal, and is used by ==.
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const 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 TryInto<OwnedFd> for DeviceFd

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type Error = DeviceFd

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<OwnedFd, Self::Error>

Performs the conversion.

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> AsFilelike for T
where T: AsFd,

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fn as_filelike(&self) -> BorrowedFd<'_>

Borrows the reference. Read more
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fn as_filelike_view<Target>(&self) -> FilelikeView<'_, Target>
where Target: FilelikeViewType,

Return a borrowing view of a resource which dereferences to a &Target. Read more
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impl<T> AsRawFilelike for T
where T: AsRawFd,

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fn as_raw_filelike(&self) -> i32

Returns the raw value.
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impl<T> AsRawSocketlike for T
where T: AsRawFd,

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fn as_raw_socketlike(&self) -> i32

Returns the raw value.
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impl<T> AsSocketlike for T
where T: AsFd,

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fn as_socketlike(&self) -> BorrowedFd<'_>

Borrows the reference.
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fn as_socketlike_view<Target>(&self) -> SocketlikeView<'_, Target>
where Target: SocketlikeViewType,

Return a borrowing view of a resource which dereferences to a &Target. Read more
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impl<T> AsSource for T
where T: AsFd,

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fn source(&self) -> BorrowedFd<'_>

Returns the borrowed file descriptor.
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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<A> DevPath for A
where A: AsFd,

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fn dev_path(&self) -> Option<PathBuf>

Returns the path of the open device if possible
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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> FromFd for T
where T: From<OwnedFd>,

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fn from_fd(owned_fd: OwnedFd) -> T

👎Deprecated since 1.0.0: FromFd::from_fd is replaced by From<OwnedFd>::from
Constructs a new instance of Self from the given file descriptor. Read more
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fn from_into_fd<Owned>(into_owned: Owned) -> Self
where Owned: Into<OwnedFd>, Self: Sized + From<OwnedFd>,

Constructs a new instance of Self from the given file descriptor converted from into_owned. Read more
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impl<T> FromFilelike for T
where T: From<OwnedFd>,

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fn from_filelike(owned: OwnedFd) -> T

Constructs a new instance of Self from the given filelike object. Read more
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fn from_into_filelike<Owned>(owned: Owned) -> T
where Owned: IntoFilelike,

Constructs a new instance of Self from the given filelike object converted from into_owned. Read more
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impl<T> FromRawFilelike for T
where T: FromRawFd,

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unsafe fn from_raw_filelike(raw: i32) -> T

Constructs Self from the raw value. Read more
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impl<T> FromRawSocketlike for T
where T: FromRawFd,

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unsafe fn from_raw_socketlike(raw: i32) -> T

Constructs Self from the raw value. Read more
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impl<T> FromSocketlike for T
where T: From<OwnedFd>,

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fn from_socketlike(owned: OwnedFd) -> T

Constructs a new instance of Self from the given socketlike object.
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fn from_into_socketlike<Owned>(owned: Owned) -> T
where Owned: IntoSocketlike,

Constructs a new instance of Self from the given socketlike object converted from into_owned.
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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> Same for T

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type Output = T

Should always be Self
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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, 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> 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