File: process-exit.rs

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rustc 1.86.0%2Bdfsg1-1
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//@ run-pass
//@ needs-subprocess

use std::env;
use std::process::{self, Command};

fn main() {
    let args: Vec<String> = env::args().collect();
    if args.len() > 1 && args[1] == "child" {
        child();
    } else {
        parent();
    }
}

fn parent() {
    let args: Vec<String> = env::args().collect();
    let status = Command::new(&args[0]).arg("child").status().unwrap();
    assert_eq!(status.code(), Some(2));
}

fn child() -> i32 {
    process::exit(2);
}