1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// SPDX-License-Identifier: EUPL-1.2
// SPDX-FileCopyrightText: 2022 Alyssa Ross <hi@alyssa.is>
use std::ffi::OsStr;
use std::fmt::{self, Display, Formatter};
use std::io;
use std::os::unix::prelude::*;
use std::process::{Command, ExitStatus};
#[derive(Debug)]
pub enum ModprobeError {
Spawn(io::Error),
Fail(ExitStatus),
}
impl Display for ModprobeError {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
use ModprobeError::*;
match self {
Spawn(e) => write!(f, "failed to spawn modprobe: {}", e),
Fail(status) => {
if let Some(code) = status.code() {
write!(f, "modprobe exited with status {}", code)
} else {
write!(f, "modprobe killed by signal {}", status.signal().unwrap())
}
}
}
}
}
pub fn modprobe<I, S>(module_names: I) -> Result<(), ModprobeError>
where
I: IntoIterator<Item = S>,
S: AsRef<OsStr>,
{
let status = Command::new("modprobe")
.arg("-q")
.arg("--")
.args(module_names)
.status()
.map_err(ModprobeError::Spawn)?;
if status.success() {
Ok(())
} else {
Err(ModprobeError::Fail(status))
}
}
|