Struct Child

pub struct Child {
    pub stdin: Option<PipeWriter>,
    pub stdout: Option<PipeReader>,
    pub stderr: Option<PipeReader>,
    /* private fields */
}

The reference to the running child

Fields

stdin: Option<PipeWriter>

Stdin of a child if it is a pipe

stdout: Option<PipeReader>

Stdout of a child if it is a pipe

stderr: Option<PipeReader>

Stderr of a child if it is a pipe

Implementations

impl Child

pub fn id(&self) -> u32

Returns pid of the process (a mirror of std method)

pub fn pid(&self) -> pid_t

Returns pid of process with correct pid_t type

pub fn wait(&mut self) -> Result<ExitStatus, Error>

Synchronously wait for child to complete and return exit status

pub fn signal(&self, signal: Signal) -> Result<(), Error>

Send arbitrary unix signal to the process

pub fn kill(&self) -> Result<(), Error>

Kill process with SIGKILL signal

pub fn take_pipe_reader(&mut self, fd: RawFd) -> Option<PipeReader>

Returns pipe reader for a pipe declared with file_descriptor()

Returns None for wrong configuration or when called twice for same descriptor

pub fn take_pipe_writer(&mut self, fd: RawFd) -> Option<PipeWriter>

Returns pipe writer for a pipe declared with file_descriptor()

Returns None for wrong configuration or when called twice for same descriptor

Trait Implementations

impl Debug for Child

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

Formats the value using the given formatter.