Struct PtyMasterNode 

pub struct PtyMasterNode { /* private fields */ }

VfsNode adapter for the master side of a PTY.

Reading from this node returns bytes that the slave has written (i.e. the program’s output). Writing to this node delivers bytes to the slave’s input buffer (i.e. simulates keyboard input).

Implementations

impl PtyMasterNode

pub fn new(master: Arc<PtyMaster>) -> Self

Wrap an existing PtyMaster as a VfsNode.

pub fn pty_id(&self) -> u32

Return the PTY ID owned by this master node.

Trait Implementations

impl VfsNode for PtyMasterNode

fn read(&self, _offset: usize, buffer: &mut [u8]) -> Result<usize, KernelError>

Read bytes produced by the slave (the program’s stdout/stderr).

fn write(&self, _offset: usize, data: &[u8]) -> Result<usize, KernelError>

Write bytes that the slave will read (simulate keyboard input).

fn node_type(&self) -> NodeType

Node type query (also serves as vtable slot padding for AArch64)

fn metadata(&self) -> Result<Metadata, KernelError>

Get metadata for the node

fn readdir(&self) -> Result<Vec<DirEntry>, KernelError>

List directory entries (if this is a directory)

fn lookup(&self, _name: &str) -> Result<Arc<dyn VfsNode>, KernelError>

Look up a child node by name (if this is a directory)

fn create( &self, _name: &str, _permissions: Permissions, ) -> Result<Arc<dyn VfsNode>, KernelError>

Create a new file in this directory

fn mkdir( &self, _name: &str, _permissions: Permissions, ) -> Result<Arc<dyn VfsNode>, KernelError>

Create a new directory in this directory

fn unlink(&self, _name: &str) -> Result<(), KernelError>

Remove a file or empty directory

fn truncate(&self, _size: usize) -> Result<(), KernelError>

Truncate the file to the specified size

fn link( &self, _name: &str, _target: Arc<dyn VfsNode>, ) -> Result<(), KernelError>

Create a hard link to this node

fn symlink( &self, _name: &str, _target: &str, ) -> Result<Arc<dyn VfsNode>, KernelError>

Create a symbolic link in this directory.

fn readlink(&self) -> Result<String, KernelError>

Read the target of a symbolic link.

fn chmod(&self, _permissions: Permissions) -> Result<(), KernelError>

Change permissions on this node

fn poll_readiness(&self) -> u16

Poll readiness for I/O multiplexing (poll/epoll).

fn as_any(&self) -> Option<&dyn Any>

Downcast to &dyn core::any::Any for type-specific operations.