Union Handle 

pub union Handle {
    /* private fields */
}

An FDomain handle.

Implementations

impl Handle

pub fn set_encoded_present(out: &mut MaybeUninit<Self>)

Encodes a handle as present in an output.

pub fn is_invalid(&self) -> bool

Returns whether the underlying u32 is invalid.

pub fn invalidate(&mut self)

pub fn as_raw_handle(&self) -> u32

Returns the underlying u1.

Trait Implementations

impl Constrained for Handle

type Constraint = ()

Type of constraint information for this type.

fn validate( _: Slot<'_, Self>, _: Self::Constraint, ) -> Result<(), ValidationError>

Validate a slot of this type against a constraint. Can be called when pointers/envelopes are just presence markers.

impl Debug for Handle

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

Formats the value using the given formatter.

impl<D: HandleDecoder + ?Sized> Decode<D> for Handle

fn decode( slot: Slot<'_, Self>, decoder: &mut D, _: <Self as Constrained>::Constraint, ) -> Result<(), DecodeError>

Decodes a value into a slot using a decoder.

impl Drop for Handle

fn drop(&mut self)

Executes the destructor for this type.

impl<E: HandleEncoder + ?Sized> Encode<Handle, E> for Channel

fn encode( self, encoder: &mut E, out: &mut MaybeUninit<Handle>, constraint: (), ) -> Result<(), EncodeError>

Encodes this value into an encoder and output.

const COPY_OPTIMIZATION: CopyOptimization<Self, W> = _

Whether the conversion from Self to W is equivalent to copying the raw bytes of Self.

impl<E: HandleEncoder + ?Sized> Encode<Handle, E> for Event

fn encode( self, encoder: &mut E, out: &mut MaybeUninit<Handle>, constraint: (), ) -> Result<(), EncodeError>

Encodes this value into an encoder and output.

const COPY_OPTIMIZATION: CopyOptimization<Self, W> = _

Whether the conversion from Self to W is equivalent to copying the raw bytes of Self.

impl<E: HandleEncoder + ?Sized> Encode<Handle, E> for EventPair

fn encode( self, encoder: &mut E, out: &mut MaybeUninit<Handle>, constraint: (), ) -> Result<(), EncodeError>

Encodes this value into an encoder and output.

const COPY_OPTIMIZATION: CopyOptimization<Self, W> = _

Whether the conversion from Self to W is equivalent to copying the raw bytes of Self.

impl<E: HandleEncoder + ?Sized> Encode<Handle, E> for Handle

fn encode( self, encoder: &mut E, out: &mut MaybeUninit<Handle>, _: (), ) -> Result<(), EncodeError>

Encodes this value into an encoder and output.

const COPY_OPTIMIZATION: CopyOptimization<Self, W> = _

Whether the conversion from Self to W is equivalent to copying the raw bytes of Self.

impl<E: HandleEncoder + ?Sized> Encode<Handle, E> for Socket

fn encode( self, encoder: &mut E, out: &mut MaybeUninit<Handle>, constraint: (), ) -> Result<(), EncodeError>

Encodes this value into an encoder and output.

const COPY_OPTIMIZATION: CopyOptimization<Self, W> = _

Whether the conversion from Self to W is equivalent to copying the raw bytes of Self.

impl From<Handle> for Handle

fn from(handle: Handle) -> Handle

Converts to this type from the input type.

impl FromWire<Handle> for Channel

fn from_wire(wire: Handle) -> Self

Converts the given owned value to this type.

const COPY_OPTIMIZATION: CopyOptimization<W, Self> = _

Whether the conversion from W to Self is equivalent to copying the raw bytes of W.

impl FromWire<Handle> for Event

fn from_wire(wire: Handle) -> Self

Converts the given owned value to this type.

const COPY_OPTIMIZATION: CopyOptimization<W, Self> = _

Whether the conversion from W to Self is equivalent to copying the raw bytes of W.

impl FromWire<Handle> for EventPair

fn from_wire(wire: Handle) -> Self

Converts the given owned value to this type.

const COPY_OPTIMIZATION: CopyOptimization<W, Self> = _

Whether the conversion from W to Self is equivalent to copying the raw bytes of W.

impl FromWire<Handle> for Handle

fn from_wire(wire: Handle) -> Self

Converts the given owned value to this type.

const COPY_OPTIMIZATION: CopyOptimization<W, Self> = _

Whether the conversion from W to Self is equivalent to copying the raw bytes of W.

impl FromWire<Handle> for Socket

fn from_wire(wire: Handle) -> Self

Converts the given owned value to this type.

const COPY_OPTIMIZATION: CopyOptimization<W, Self> = _

Whether the conversion from W to Self is equivalent to copying the raw bytes of W.

impl Wire for Handle

type Narrowed<'de> = Handle

The narrowed wire type, restricted to the 'de lifetime.

fn zero_padding(_: &mut MaybeUninit<Self>)

Writes zeroes to the padding for this type, if any.