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#[unstable(feature = "command_resolved_envs", issue = "149070")]
31pub use env::CommandResolvedEnvs;
32#[cfg(target_family = "unix")]
33pub use imp::getppid;
34pub use imp::{
35    ChildPipe, Command, CommandArgs, EnvKey, ExitCode, ExitStatus, ExitStatusError, Process, Stdio,
36    getpid, read_output,
37};
38
39#[cfg(any(
40    all(
41        target_family = "unix",
42        not(any(
43            target_os = "espidf",
44            target_os = "horizon",
45            target_os = "vita",
46            target_os = "nuttx"
47        ))
48    ),
49    target_os = "windows",
50    target_os = "motor"
51))]
52pub fn output(cmd: &mut Command) -> crate::io::Result<(ExitStatus, Vec<u8>, Vec<u8>)> {
53    let (mut process, mut pipes) = cmd.spawn(Stdio::MakePipe, false)?;
54
55    drop(pipes.stdin.take());
56    let (mut stdout, mut stderr) = (Vec::new(), Vec::new());
57    match (pipes.stdout.take(), pipes.stderr.take()) {
58        (None, None) => {}
59        (Some(out), None) => {
60            let res = out.read_to_end(&mut stdout);
61            res.unwrap();
62        }
63        (None, Some(err)) => {
64            let res = err.read_to_end(&mut stderr);
65            res.unwrap();
66        }
67        (Some(out), Some(err)) => {
68            let res = read_output(out, &mut stdout, err, &mut stderr);
69            res.unwrap();
70        }
71    }
72
73    let status = process.wait()?;
74    Ok((status, stdout, stderr))
75}
76
77#[cfg(not(any(
78    all(
79        target_family = "unix",
80        not(any(
81            target_os = "espidf",
82            target_os = "horizon",
83            target_os = "vita",
84            target_os = "nuttx"
85        ))
86    ),
87    target_os = "windows",
88    target_os = "motor"
89)))]
90pub use imp::output;
std/sys/process/mod.rs

std/sys/process/
mod.rs
