Method _is_zero

crates/stdlib/src/multiprocessing.rs:315–319

(&self, vm: &VirtualMachine)

        #[pymethod]
        fn _is_zero(&self, vm: &VirtualMachine) -> PyResult<bool> {
            let val =
                get_semaphore_value(self.handle.as_raw()).map_err(|_| vm.new_last_os_error())?;
            Ok(val == 0)
        }

        #[extend_class]
        fn extend_class(ctx: &Context, class: &Py<PyType>) {