Struct Child 

pub struct Child { /* private fields */ }

子进程句柄

Implementations

impl Child

pub fn id(&self) -> u32

获取进程 ID

pub fn is_running(&mut self) -> bool

判断进程是否仍在运行

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

等待进程结束

pub async fn wait_timeout( &mut self, timeout: Duration, ) -> Result<Option<ExitStatus>, ProcessError>

等待进程结束（带超时）

pub async fn wait_with_output(self) -> Result<ProcessOutput, ProcessError>

等待并获取输出

pub async fn write_stdin(&mut self, data: &[u8]) -> Result<(), ProcessError>

向标准输入写入数据

pub fn close_stdin(&mut self)

关闭标准输入

pub async fn read_stdout(&mut self) -> Result<Vec<u8>, ProcessError>

读取标准输出

pub async fn read_stderr(&mut self) -> Result<Vec<u8>, ProcessError>

读取标准错误

pub fn terminate(&self) -> Result<(), ProcessError>

发送终止信号（优雅终止）

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

强制终止进程

pub fn inner_mut(&mut self) -> &mut TokioChild

获取底层 tokio Child 的可变引用