Is there a way to check whether ChromeDriver is busy in Selenium

Question

I'm running Selenium with ChromeDriver WebDriver . On the page there is a heavy synchronous javascript that can run for very long time (up to even 30 minutes)

On this page I have a function getStatus() that returns whether the task has finished, but when I execute browser.ExecuteScript("return getStatus()") of course this fails by timeout because the page can't execute this javascript as it is working on another js execution.

Are there any other way for Selenium or Chrome WebDriver to tell me whether there are any heavy javascript is currently being executed?

My full code:

var chromeOptions = new ChromeOptions();
//chromeOptions.AddArguments("headless");
using (var browser = new ChromeDriver(chromeOptions))
{
    browser.Url = url;
    while (true) {          
        Dictionary<string, object> status =
                            (Dictionary<string, object>)browser.ExecuteScript("return getStatus()");
        if ((bool)status["Finished"]) {
           return
        }
    }
}