std/sys/process/
mod.rs

1cfg_select! {
2    target_family = "unix" => {
3        mod unix;
4        use unix as imp;
5    }
6    target_os = "windows" => {
7        mod windows;
8        use windows as imp;
9    }
10    target_os = "uefi" => {
11        mod uefi;
12        use uefi as imp;
13    }
14    target_os = "motor" => {
15        mod motor;
16        use motor as imp;
17    }
18    _ => {
19        mod unsupported;
20        use unsupported as imp;
21    }
22}
23
24// This module is shared by all platforms, but nearly all platforms except for
25// the "normal" UNIX ones leave some of this code unused.
26#[cfg_attr(not(target_os = "linux"), allow(dead_code))]
27mod env;
28
29pub use env::CommandEnvs;
30#[cfg(target_family = "unix")]
31pub use imp::getppid;
32pub use imp::{
33    ChildPipe, Command, CommandArgs, EnvKey, ExitCode, ExitStatus, ExitStatusError, Process, Stdio,
34    getpid, read_output,
35};
36
37#[cfg(any(
38    all(
39        target_family = "unix",
40        not(any(
41            target_os = "espidf",
42            target_os = "horizon",
43            target_os = "vita",
44            target_os = "nuttx"
45        ))
46    ),
47    target_os = "windows",
48    target_os = "motor"
49))]
50pub fn output(cmd: &mut Command) -> crate::io::Result<(ExitStatus, Vec<u8>, Vec<u8>)> {
51    let (mut process, mut pipes) = cmd.spawn(Stdio::MakePipe, false)?;
52
53    drop(pipes.stdin.take());
54    let (mut stdout, mut stderr) = (Vec::new(), Vec::new());
55    match (pipes.stdout.take(), pipes.stderr.take()) {
56        (None, None) => {}
57        (Some(out), None) => {
58            let res = out.read_to_end(&mut stdout);
59            res.unwrap();
60        }
61        (None, Some(err)) => {
62            let res = err.read_to_end(&mut stderr);
63            res.unwrap();
64        }
65        (Some(out), Some(err)) => {
66            let res = read_output(out, &mut stdout, err, &mut stderr);
67            res.unwrap();
68        }
69    }
70
71    let status = process.wait()?;
72    Ok((status, stdout, stderr))
73}
74
75#[cfg(not(any(
76    all(
77        target_family = "unix",
78        not(any(
79            target_os = "espidf",
80            target_os = "horizon",
81            target_os = "vita",
82            target_os = "nuttx"
83        ))
84    ),
85    target_os = "windows",
86    target_os = "motor"
87)))]
88pub use imp::output;
std/sys/process/mod.rs

std/sys/process/
mod.rs
