[PATCH v4] rust: add PidNamespace

[Miguel Ojeda]

On Wed, Oct 2, 2024 at 1:00 PM Christian Brauner <brauner at kernel.org> wrote:
>
> +        let pidns = unsafe { bindings::task_active_pid_ns(Task::current_raw()) };

Missing `// SAFETY` -- I mention it since this will be a warning (thus
error in `WERROR`) soon.

> +        let ptr = unsafe { bindings::task_get_pid_ns(self.0.get()) };

Ditto.

> +            Some(pidns) => unsafe { bindings::task_tgid_nr_ns(self.0.get(), pidns.as_ptr()) },
> +            None => unsafe { bindings::task_tgid_nr_ns(self.0.get(), ptr::null_mut()) },

Ditto.

Cheers,
Miguel