Function umask

crates/vm/src/stdlib/nt.rs:2010–2017

(mask: i32, vm: &VirtualMachine)

    #[pyfunction]
    fn umask(mask: i32, vm: &VirtualMachine) -> PyResult<i32> {
        let result = unsafe { _umask(mask) };
        if result < 0 {
            Err(vm.new_last_errno_error())
        } else {
            Ok(result)
        }
    }

    #[pyfunction]
    fn pipe(vm: &VirtualMachine) -> PyResult<(i32, i32)> {