Compiling with older versions of Rust, when `pipe()` wasn't yet part of stdlib.

pmeunier

Aug 16, 2025, 3:19 PM

D2BDVT6VPEEKGIH5R6WXIIWBVDBDLAXEJQK4GTXA7UYHG2W375OAC

Dependencies

• [2] JREIRPI4 Fixing a compilation issue
• [3] LIMIMBOU Bootstrapping the Rust part
• [4] BQ4E3XLA Forwarding stdout/stderr
• [5] ODUDDQRY Adding the OCaml interface
• [*] UWQB743K First working shell (with ocaml code)

Change contents

• edit in src/container.rs at line 123
  [4.48182]

  [4.48182]
  + }

  + }

  +

  + fn pipe() -> Result<(OwnedFd, OwnedFd), std::io::Error> {

  + use std::os::fd::FromRawFd;

  + let mut fd = [0; 2];

  + unsafe {

  + if libc::pipe(fd.as_mut_ptr()) != 0 {

  + Err(std::io::Error::last_os_error())

  + } else {

  + Ok((OwnedFd::from_raw_fd(fd[0]), OwnedFd::from_raw_fd(fd[1])))

  + }
• replacement in src/container.rs at line 168
  [4.49288]→[3.12216:12362](∅→∅)
  − let (reader_out, writer_out) = std::io::pipe().unwrap();

  − let (reader_err, writer_err) = std::io::pipe().unwrap();
  [4.49288]

  [3.12362]
  + let (reader_out, writer_out) = pipe().unwrap();

  + let (reader_err, writer_err) = pipe().unwrap();
• edit in Cargo.toml at line 11
  [2.22]

  [7.71144]
  + exclude = [ "essai" ]