How to lock a file in JScript(WSH)?

Question

JavaScript

I want to block the file with parameters for the execution time, so that when accessing it, access is denied. Tried like this:

var fso = new ActiveXObject('Scripting.FileSystemObject');
var Lockeds = new ActiveXObject("Scripting.Dictionary");

function LockFile(path) {
    if (!Lockeds.Exists(path)) {
        //открываю указанный файл в режиме добавления содержимого, и не закрываю его
        Lockeds.Add(path, fso.OpenTextFile(path, 8));
    }
}

function UnLockFile(path) {
    if (Lockeds.Exists(path)) {
        //Закрываю файл
        Lockeds.Item(path).Close();
        Lockeds.Remove(path);
    }
}

, but does not help, the file can still be accessed for reading.
Purpose: to exclude the possibility of running more than one copy of the script at the same time.
Making a record, for example, in the log is not an option, because. no end of operation will be recorded when the power fails or reboots.