oysteikt/uutil-linux
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renice: use clap for real

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This commit is contained in:
Sylvestre Ledru 2024-01-26 19:43:36 +01:00
parent dc7f34cc9b
commit 5e5ded2555
1 changed files with 9 additions and 15 deletions

24
src/uu/renice/src/renice.rs

@ -17,23 +17,17 @@ use clap::{crate_version, Arg, Command};
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let matches = uu_app().try_get_matches_from(args)?;
let nice_value = match matches.get_one::<i32>("nice_value") {
Some(number) => number,
_ => {
eprintln!("Invalid nice value");
process::exit(1);
}
};
let nice_value = *matches.get_one::<i32>("nice_value").unwrap_or_else(|| {
eprintln!("Invalid nice value");
process::exit(1);
});
let pid = match matches.get_one::<i32>("pid") {
Some(number) => number,
_ => {
eprintln!("Invalid PID");
process::exit(1);
}
};
let pid = *matches.get_one::<i32>("pid").unwrap_or_else(|| {
eprintln!("Invalid PID");
process::exit(1);
});
if unsafe { libc::setpriority(PRIO_PROCESS, (*pid).try_into().unwrap(), *nice_value) } == -1 {
if unsafe { libc::setpriority(PRIO_PROCESS, pid.try_into().unwrap(), nice_value) } == -1 {
eprintln!("Failed to set nice value: {}", Error::last_os_error());
process::exit(1);
}