Struct Pipe 

pub struct Pipe { /* private fields */ }

Shared pipe handle.

Implementations

impl Pipe

pub fn new() -> Arc<Self>

Creates a new instance.

pub fn read(&self, buf: &mut [u8]) -> Result<usize, SyscallError>

Read from the pipe. Returns 0 on EOF (write end closed + empty).

pub fn write(&self, buf: &[u8]) -> Result<usize, SyscallError>

Write to the pipe. Returns EPIPE if read end is closed.

pub fn dup_read(&self)

Increment the read-end refcount (called on dup/fork).

pub fn dup_write(&self)

Increment the write-end refcount (called on dup/fork).

pub fn close_read(&self) -> bool

Decrement the read-end refcount; marks the end closed only when it reaches zero. Returns true if the end was actually closed.

pub fn close_write(&self) -> bool

Decrement the write-end refcount; marks the end closed only when it reaches zero. Returns true if the end was actually closed.