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mod helpers;
#[cfg(feature = "async")]
#[test]
fn test_fds_async() {
use futures::stream::StreamExt as _;
check_open_fds(&[0, 1, 2]);
let rt = tokio::runtime::Builder::new_multi_thread()
.enable_all()
.build()
.unwrap();
// run once to ensure all of the fds in the tokio machinery are
// allocated
rt.block_on(async {
let mut pty = pty_process::Pty::new().unwrap();
let pts = pty.pts().unwrap();
pty.resize(pty_process::Size::new(24, 80)).unwrap();
let mut child = pty_process::Command::new("perl")
.arg(
"-Efor my $fd (0..255) { \
open my $fh, \"<&=$fd\"; \
print $fd if stat $fh \
}; \
say",
)
.spawn(&pts)
.unwrap();
let (pty_r, _) = pty.split();
let mut output = helpers::output_async(pty_r);
assert_eq!(output.next().await.unwrap(), "012\r\n");
let status = child.wait().await.unwrap();
assert_eq!(status.code().unwrap(), 0);
});
rt.block_on(async {
let fds = get_open_fds();
let mut pty = pty_process::Pty::new().unwrap();
let pts = pty.pts().unwrap();
pty.resize(pty_process::Size::new(24, 80)).unwrap();
let mut child = pty_process::Command::new("perl")
.arg(
"-Efor my $fd (0..255) { \
open my $fh, \"<&=$fd\"; \
print $fd if stat $fh \
}; \
say",
)
.spawn(&pts)
.unwrap();
let (pty_r, _) = pty.split();
let mut output = helpers::output_async(pty_r);
assert_eq!(output.next().await.unwrap(), "012\r\n");
let status = child.wait().await.unwrap();
assert_eq!(status.code().unwrap(), 0);
drop(output);
drop(pts);
drop(pty);
check_open_fds(&fds);
});
rt.block_on(async {
let fds = get_open_fds();
let mut pty = pty_process::Pty::new().unwrap();
let pts = pty.pts().unwrap();
pty.resize(pty_process::Size::new(24, 80)).unwrap();
let mut child = pty_process::Command::new("perl")
.arg("-Efor my $fd (0..255) { open my $fh, \"<&=$fd\"; print $fd if stat $fh }; say")
.stderr(std::process::Stdio::null())
.spawn(&pts)
.unwrap();
let (pty_r, _) = pty.split();
let mut output = helpers::output_async(pty_r);
assert_eq!(output.next().await.unwrap(), "012\r\n");
let status = child.wait().await.unwrap();
assert_eq!(status.code().unwrap(), 0);
drop(output);
drop(pts);
drop(pty);
check_open_fds(&fds);
});
}
#[cfg(feature = "async")]
#[track_caller]
fn check_open_fds(expected: &[i32]) {
assert_eq!(get_open_fds(), expected);
}
#[cfg(feature = "async")]
fn get_open_fds() -> Vec<i32> {
(0..=255)
.filter(|fd| nix::sys::stat::fstat(*fd).is_ok())
.collect()
}
|
