message: fix: Split pipe2 into pipe and fcntl on macOS and iOS
  Fixes a deprecation warning on these platforms
diff: @@ -3,14 +3,24 @@ use super::{
  PipelineError,
  };
  +#[cfg(any(target_os = "ios", target_os = "macos"))]
  +use nix::fcntl::{fcntl, FcntlArg};
  use nix::{fcntl::OFlag, unistd};
  use std::{fs::File, os::unix::io::FromRawFd};
  +#[cfg(not(any(target_os = "ios", target_os = "macos")))]
  pub fn create_pipe() -> Result<(File, File), PipelineError> {
  let (reader, writer) =
  unistd::pipe2(OFlag::O_CLOEXEC).map_err(PipelineError::CreatePipeError)?;
  Ok(unsafe { (File::from_raw_fd(reader), File::from_raw_fd(writer)) })
  }
  +#[cfg(any(target_os = "ios", target_os = "macos"))]
  +pub fn create_pipe() -> Result<(File, File), PipelineError> {
  + let (reader, writer) = unistd::pipe().map_err(PipelineError::CreatePipeError)?;
  + fcntl(reader, FcntlArg::F_SETFL(OFlag::O_CLOEXEC)).map_err(PipelineError::CreatePipeError)?;
  + fcntl(writer, FcntlArg::F_SETFL(OFlag::O_CLOEXEC)).map_err(PipelineError::CreatePipeError)?;
  + Ok(unsafe { (File::from_raw_fd(reader), File::from_raw_fd(writer)) })
  +}
  pub struct TeePipe<'a, 'b> {
  parent: &'a mut RefinedJob<'b>,
  