Struct ubend::Chain

pub struct Chain { /* fields omitted */ }

Represents a pipe chain.

Methods

impl Chain

pub fn kill(&mut self, sig: c_int) -> Result<()>

Send signal sig to all child processes.

pub fn new(pipes: Vec<Pipes>) -> Result<Self>

Create a new pipe chain. This function is called by the spawn! macro.

pub fn stdin(&mut self) -> Option<File>

Take ownership of stdin of the first process in the chain.

pub fn stdout(&mut self) -> Option<File>

Take ownership of stdout of the last process in the chain.

pub fn stderr(&mut self) -> Option<File>

Take ownership of stderr of the last process in the chain.

pub fn wait_all(&mut self) -> Vec<WaitResult>

Wait for all child processes to finish.

pub fn wait_last(&mut self) -> WaitResult

Wait for the last child process to finish.

pub fn output(self) -> Result<Output, OutputError>

Close stdin of the first child process and read stdout and stderr of the last child process (if possible) and wait for the last child process to finish.

Trait Implementations

impl Debug for Chain

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

Formats the value using the given formatter.

impl Drop for Chain

fn drop(&mut self)

Executes the destructor for this type.