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Improve init process, debug missing syscalls, fix error codes in syscall return

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This commit is contained in:
Jeremy Soller 2016-09-11 16:48:58 -06:00
parent adec5d6df6
commit 951831c4bb
5 changed files with 70 additions and 17 deletions
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44
init/src/main.rs
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@ -1,13 +1,51 @@
use std::{env, thread};
use std::fs::File;
use std::io::{BufRead, BufReader};
use std::thread;
use std::process::Command;
pub fn main() {
let file = File::open("initfs:etc/init.rc").expect("failed to open init.rc");
let reader = BufReader::new(file);
for line in reader.lines() {
println!("{}", line.expect("failed to read init.rc"));
for line_result in reader.lines() {
let line = line_result.expect("failed to read init.rc");
let line = line.trim();
if ! line.is_empty() && ! line.starts_with('#') {
let mut args = line.split(' ');
if let Some(cmd) = args.next() {
match cmd {
"echo" => {
if let Some(arg) = args.next() {
print!("{}", arg);
}
for arg in args {
print!(" {}", arg);
}
print!("\n");
},
"cd" => if let Some(dir) = args.next() {
if let Err(err) = env::set_current_dir(dir) {
println!("init: failed to cd to '{}': {}", dir, err);
}
} else {
println!("init: failed to cd: no argument");
},
_ => {
let mut command = Command::new(cmd);
for arg in args {
command.arg(arg);
}
match command.spawn() {
Ok(mut child) => if let Err(err) = child.wait() {
println!("init: failed to wait for '{}': {}", line, err);
},
Err(err) => println!("init: failed to execute '{}': {}", line, err)
}
}
}
}
}
}
loop {