blob: 970841cd46b8014149feb8957250f36457460e07 (
plain) (
blame)
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
mod raw_guard;
#[cfg(feature = "async")]
mod main {
use async_std::io::prelude::WriteExt as _;
use async_std::io::ReadExt as _;
use async_std::prelude::FutureExt as _;
pub async fn run(
child: &async_process::Child,
pty: &pty_process::Pty,
) -> std::result::Result<(), Box<dyn std::error::Error + 'static>> {
let _raw = super::raw_guard::RawGuard::new();
let mut input_pty = pty;
let mut output_pty = pty;
let ex = async_executor::Executor::new();
let input = ex.spawn(async {
let mut buf = [0_u8; 4096];
let mut stdin = async_std::io::stdin();
loop {
match stdin.read(&mut buf).await {
Ok(bytes) => {
input_pty.write_all(&buf[..bytes]).await.unwrap();
}
Err(e) => {
eprintln!("stdin read failed: {:?}", e);
break;
}
}
}
});
let output = ex.spawn(async {
let mut buf = [0_u8; 4096];
let mut stdout = async_std::io::stdout();
loop {
match output_pty.read(&mut buf).await {
Ok(bytes) => {
stdout.write_all(&buf[..bytes]).await.unwrap();
stdout.flush().await.unwrap();
}
Err(e) => {
eprintln!("pty read failed: {:?}", e);
break;
}
}
}
});
let wait = async {
child.status_no_drop().await.unwrap();
};
ex.run(input.race(output).race(wait)).await;
Ok(())
}
}
#[cfg(feature = "async")]
fn main() {
use std::os::unix::process::ExitStatusExt as _;
let status = async_std::task::block_on(async {
let pty = pty_process::Pty::new().unwrap();
pty.resize(pty_process::Size::new(24, 80)).unwrap();
let mut child = pty_process::Command::new("tac")
// .args(&["500"])
.spawn(&pty)
.unwrap();
main::run(&child, &pty).await.unwrap();
child.status().await.unwrap()
});
std::process::exit(
status
.code()
.unwrap_or_else(|| status.signal().unwrap_or(0) + 128),
);
}
#[cfg(not(feature = "async"))]
fn main() {
unimplemented!()
}
|
