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_os = "linux")]
33pub use imp::PidFd;
34#[cfg(target_family = "unix")]
35pub use imp::getppid;
36pub use imp::{
37    ChildPipe, Command, CommandArgs, EnvKey, ExitCode, ExitStatus, ExitStatusError, Process, Stdio,
38    getpid, read_output,
39};
40
41#[cfg(any(
42    all(
43        target_family = "unix",
44        not(any(
45            target_os = "espidf",
46            target_os = "horizon",
47            target_os = "vita",
48            target_os = "nuttx"
49        ))
50    ),
51    target_os = "windows",
52    target_os = "motor"
53))]
54pub fn output(cmd: &mut Command) -> crate::io::Result<(ExitStatus, Vec<u8>, Vec<u8>)> {
55    let (mut process, mut pipes) = cmd.spawn(Stdio::MakePipe, false)?;
56
57    drop(pipes.stdin.take());
58    let (mut stdout, mut stderr) = (Vec::new(), Vec::new());
59    match (pipes.stdout.take(), pipes.stderr.take()) {
60        (None, None) => {}
61        (Some(out), None) => {
62            let res = out.read_to_end(&mut stdout);
63            res.unwrap();
64        }
65        (None, Some(err)) => {
66            let res = err.read_to_end(&mut stderr);
67            res.unwrap();
68        }
69        (Some(out), Some(err)) => {
70            let res = read_output(out, &mut stdout, err, &mut stderr);
71            res.unwrap();
72        }
73    }
74
75    let status = process.wait()?;
76    Ok((status, stdout, stderr))
77}
78
79#[cfg(not(any(
80    all(
81        target_family = "unix",
82        not(any(
83            target_os = "espidf",
84            target_os = "horizon",
85            target_os = "vita",
86            target_os = "nuttx"
87        ))
88    ),
89    target_os = "windows",
90    target_os = "motor"
91)))]
92pub use imp::output;
std/sys/process/mod.rs

std/sys/process/
mod.rs
