Struct shadow_rs::host::descriptor::descriptor_table::DescriptorTable

pub struct DescriptorTable { /* private fields */ }

Map of file handles to file descriptors. Typically owned by a Thread.

Implementations

impl DescriptorTable

pub fn new() -> Self

pub fn get(&self, idx: DescriptorHandle) -> Option<&Descriptor>

Get the descriptor at idx, if any.

pub fn get_mut(&mut self, idx: DescriptorHandle) -> Option<&mut Descriptor>

Get the descriptor at idx, if any.

pub fn register_descriptor( &mut self, desc: Descriptor, ) -> Result<DescriptorHandle, Descriptor>

Register a descriptor and return its fd handle. Equivalent to register_descriptor_with_min_fd(desc, 0). If the descriptor could not be added, the descriptor is returned in the Err.

pub fn register_descriptor_with_min_fd( &mut self, desc: Descriptor, min_fd: DescriptorHandle, ) -> Result<DescriptorHandle, Descriptor>

Register a descriptor and return its fd handle. If the descriptor could not be added, the descriptor is returned in the Err.

pub fn register_descriptor_with_fd( &mut self, desc: Descriptor, new_fd: DescriptorHandle, ) -> Option<Descriptor>

Register a descriptor with a given fd handle and return the descriptor that it replaced.

pub fn deregister_descriptor( &mut self, fd: DescriptorHandle, ) -> Option<Descriptor>

Deregister the descriptor with the given fd handle and return it.

pub fn remove_all(&mut self) -> impl Iterator<Item = Descriptor>

Remove and return all descriptors.

pub fn remove_range( &mut self, range: impl RangeBounds<DescriptorHandle>, ) -> impl Iterator<Item = Descriptor>

Remove and return all descriptors in the range. If you want to remove all descriptors, you should use remove_all.

pub fn iter(&self) -> impl Iterator<Item = (&DescriptorHandle, &Descriptor)>

pub fn iter_mut( &mut self, ) -> impl Iterator<Item = (&DescriptorHandle, &mut Descriptor)>

Trait Implementations

impl Clone for DescriptorTable

fn clone(&self) -> DescriptorTable

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for DescriptorTable

fn default() -> Self

Returns the “default value” for a type.

impl ExplicitDrop for DescriptorTable

type ExplicitDropParam = Host

type ExplicitDropResult = ()

fn explicit_drop(self, host: &Host)