68 lines
1.9 KiB
Rust
68 lines
1.9 KiB
Rust
|
use std::io;
|
||
|
|
use std::process::Child;
|
||
|
|
|
||
|
|
fn kill_process(process: &mut Child) -> Result<(), io::Error> {
|
||
|
|
if let Ok(()) = process.kill() {
|
||
|
|
process.wait()?;
|
||
|
|
} else {
|
||
|
|
println!("Process {} has already exited", process.id());
|
||
|
|
}
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
|
||
|
|
#[cfg(windows)]
|
||
|
|
pub fn stop_process(process: &mut Child) -> Result<(), io::Error> {
|
||
|
|
kill_process(process)
|
||
|
|
}
|
||
|
|
|
||
|
|
#[cfg(not(windows))]
|
||
|
|
pub fn stop_process(process: &mut Child) -> Result<(), io::Error> {
|
||
|
|
use nix::errno::Errno::{EINVAL, EPERM, ESRCH};
|
||
|
|
use nix::sys::signal::{kill, Signal};
|
||
|
|
use nix::unistd::Pid;
|
||
|
|
use nix::Error::Sys;
|
||
|
|
use std::io::ErrorKind;
|
||
|
|
use std::thread;
|
||
|
|
use std::time::{Duration, Instant};
|
||
|
|
|
||
|
|
let nice_wait = Duration::from_secs(5);
|
||
|
|
let pid = Pid::from_raw(process.id() as i32);
|
||
|
|
match kill(pid, Signal::SIGINT) {
|
||
|
|
Ok(()) => {
|
||
|
|
let expire = Instant::now() + nice_wait;
|
||
|
|
while let Ok(None) = process.try_wait() {
|
||
|
|
if Instant::now() > expire {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
thread::sleep(nice_wait / 10);
|
||
|
|
}
|
||
|
|
if let Ok(None) = process.try_wait() {
|
||
|
|
kill_process(process)?;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
Err(Sys(EINVAL)) => {
|
||
|
|
println!("Invalid signal. Killing process {}", pid);
|
||
|
|
kill_process(process)?;
|
||
|
|
}
|
||
|
|
Err(Sys(EPERM)) => {
|
||
|
|
return Err(io::Error::new(
|
||
|
|
ErrorKind::InvalidInput,
|
||
|
|
format!("Insufficient permissions to signal process {}", pid),
|
||
|
|
));
|
||
|
|
}
|
||
|
|
Err(Sys(ESRCH)) => {
|
||
|
|
return Err(io::Error::new(
|
||
|
|
ErrorKind::InvalidInput,
|
||
|
|
format!("Process {} does not exist", pid),
|
||
|
|
));
|
||
|
|
}
|
||
|
|
Err(e) => {
|
||
|
|
return Err(io::Error::new(
|
||
|
|
ErrorKind::InvalidInput,
|
||
|
|
format!("Unexpected error {}", e),
|
||
|
|
));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
Ok(())
|
||
|
|
}
|