Betriebssysteme/hw6/task1/src/main.rs

use std::env::args;
use std::process;

extern crate nix;

use nix::unistd::{fork, getpid};
use nix::sys::wait::wait;
use nix::sys::wait::WaitStatus;
use nix::unistd::ForkResult::{Child, Parent};

fn main() {

 let arguments: Vec<String> = args().collect();

    if arguments.len() != 0 {
   

    let pid = fork();
    match pid {
        Ok(Child) => {
            println!("hello, I am child (pid:{})", getpid());
        }

        Ok(Parent { child }) => {
            if let Ok(ws) = wait() {
                if let WaitStatus::Exited(child_pid, exit_code) = ws {
                
                }
            }
        }

        Err(_) => {}
    }



    } else {
        println!("Correct usage: number number <number> ...");
        process::exit(1)
    }

}

fn concatenate_strings(){
}

fn split_into_strings(){
}

fn sum_strings(){
}

fn mul_strings(){
}