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gate uucore::pipes::pipe to test #11649

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Merged
sylvestre merged 1 commit into from
Apr 5, 2026
Merged

gate uucore::pipes::pipe to test #11649

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6 changes: 4 additions & 2 deletions src/uucore/src/lib/features/pipes.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,18 +11,20 @@ use rustix::pipe::{SpliceFlags, fcntl_setpipe_size};
use std::fs::File;
#[cfg(any(target_os = "linux", target_os = "android"))]
use std::os::fd::AsFd;
#[cfg(any(target_os = "linux", target_os = "android"))]
pub const MAX_ROOTLESS_PIPE_SIZE: usize = 1024 * 1024;

/// A wrapper around [`rustix::pipe::pipe`] that ensures the pipe is cleaned up.
///
/// Returns two `File` objects: everything written to the second can be read
/// from the first.
/// This is used only for resolving the limitation for splice: one of a input or output should be pipe
/// used for resolving the limitation for splice: one of a input or output should be pipe
#[inline]
#[cfg(any(target_os = "linux", target_os = "android"))]
#[cfg(any(target_os = "linux", target_os = "android", test))]
pub fn pipe() -> std::io::Result<(File, File)> {
let (read, write) = rustix::pipe::pipe()?;
// improve performance for splice
#[cfg(any(target_os = "linux", target_os = "android"))]
let _ = fcntl_setpipe_size(&read, MAX_ROOTLESS_PIPE_SIZE);

Ok((File::from(read), File::from(write)))
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