Function pipe

crates/vm/src/stdlib/posix.rs:1187–1193

(vm: &VirtualMachine)

    #[pyfunction]
    fn pipe(vm: &VirtualMachine) -> PyResult<(OwnedFd, OwnedFd)> {
        use nix::unistd::pipe;
        let (rfd, wfd) = pipe().map_err(|err| err.into_pyexception(vm))?;
        set_inheritable(rfd.as_fd(), false, vm)?;
        set_inheritable(wfd.as_fd(), false, vm)?;
        Ok((rfd, wfd))
    }

    // cfg from nix
    #[cfg(any(