Struct Vmo 

pub struct Vmo(/* private fields */);

A virtual memory object (VMO) in a remote FDomain.

Implementations

impl Vmo

pub fn invalid() -> Self

Get an invalid handle of this type.

pub fn is_invalid(&self) -> bool

Check whether this handle is valid.

impl Vmo

pub fn read( &self, offset: u64, size: u64, ) -> impl Future<Output = Result<Vec<u8>, Error>> + use<>

Read size bytes from the VMO at offset.

pub async fn read_slice(&self, buf: &mut [u8], offset: u64) -> Result<(), Error>

Read from the VMO into a buffer. Returns Ok(()) on success.

pub fn write( &self, data: &[u8], offset: u64, ) -> impl Future<Output = Result<(), Error>> + use<>

Write all data to the VMO at offset.

pub fn get_size(&self) -> impl Future<Output = Result<u64, Error>> + use<>

Get the size of the VMO.

pub fn set_size( &self, size: u64, ) -> impl Future<Output = Result<(), Error>> + use<>

Set the size of the VMO.

pub fn get_stream_size( &self, ) -> impl Future<Output = Result<u64, Error>> + use<>

Get the stream size of the VMO.

pub fn set_stream_size( &self, size: u64, ) -> impl Future<Output = Result<(), Error>> + use<>

Set the stream size of the VMO.

Trait Implementations

impl AsHandleRef for Vmo

fn as_handle_ref(&self) -> HandleRef<'_>

fn object_type() -> ObjectType

fn u32_id(&self) -> u32

fn signal_handle( &self, clear: Signals, set: Signals, ) -> impl Future<Output = Result<(), Error>>

fn domain(&self) -> Arc<Client>

Get the client supporting this handle. See fidl::Proxy::domain.

impl Debug for Vmo

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

Formats the value using the given formatter.

impl EncodableAsHandle for Vmo

type Dialect = FDomainResourceDialect

What resource dialect can encode this object as a handle.

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

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> EncodeOption<OptionalHandle, E> for Vmo

fn encode_option( this: Option<Self>, encoder: &mut E, out: &mut MaybeUninit<OptionalHandle>, constraint: (), ) -> Result<(), EncodeError>

Encodes this optional value into an encoder and output.

impl Eq for Vmo

impl From<Handle> for Vmo

fn from(other: Handle) -> Vmo

Converts to this type from the input type.

impl From<Vmo> for Handle

fn from(other: Vmo) -> Handle

Converts to this type from the input type.

impl FromWire<Handle> for Vmo

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 FromWireOption<OptionalHandle> for Vmo

fn from_wire_option(wire: OptionalHandle) -> Option<Self>

Converts the given owned value to an option of this type.

impl HandleBased for Vmo

fn invalidate(&mut self)

Drop ownership of this handle and make it invalid, without closing the handle.

fn close(self) -> impl Future<Output = Result<(), Error>>

Closes this handle. Surfaces errors that dropping the handle will not.

fn duplicate_handle( &self, rights: Rights, ) -> impl Future<Output = Result<Self, Error>>

Duplicate this handle.

fn replace_handle( self, rights: Rights, ) -> impl Future<Output = Result<Self, Error>>

Replace this handle with an equivalent one with different rights.

fn into_handle(self) -> Handle

Convert this handle-based value into a pure Handle.

fn from_handle(handle: Handle) -> Self

Construct a new handle-based value from a Handle.

fn into_handle_based<H: HandleBased>(self) -> H

Turn this handle-based value into one of a different type.

fn from_handle_based<H: HandleBased>(h: H) -> Self

Turn another handle-based type into this one.

fn is_invalid(&self) -> bool

Check whether this handle is valid.

impl Hash for Vmo

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Vmo

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

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for Vmo

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl PartialOrd for Vmo

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

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for Vmo