Shoutbox

Someone on the IRC channel asked if JS had a Sleep() function to pause the script for x milliseconds, and apparently it doesn't. I tried to make my own function, but the problem is since it's not multithreaded it causes everything to freeze for the duration that you pause the script.

My function is the following:

code:

---

function Sleep(ms)
{
    var x = Interop.Call("Kernel32", "GetTickCount");
    var y = x;
    while (y + ms > x)
    {
        x = Interop.Call("Kernel32", "GetTickCount");
    }
}

---

Calling the Sleep() API with Interop.Call does the same.

Is it possible?

Like you said, as it is not multithreaded I don't think it is possible. That's why Patchou created timers.

Hmm yeah of course, could probably make something using timers...

Each time I needed a sleep() in programs I made, there were always better ways to do this.

What I mean is, you can almost always make a program without the use of a sleep() or the likes. The use of sleep() is almost always not needed at all and often is the result of a bad made routine... at least that's my experience of it.

(there are some uses for it of course, but they are rare)

HO

You could try to do something like this:

/* Global Var */
var flag = false;


/* Wherever you want */
[...]
MsgPlus.AddTimer("MyTimer",5000);
while(flag == false) {}
[...]


/* The timer */
OnEvent_Timer(TimerId)
{
    if (TimerId == "MyTimer")
    {
        flag=true;
        MsgPlus.AddTimer("MyTimer",5000);
    }
}

quote:

---

Originally posted by Riveck
You could try to do something like this:

/* Global Var */
var flag = false;


/* Wherever you want */
[...]
MsgPlus.AddTimer("MyTimer",5000);
while(flag == false) {}
[...]


/* The timer */
OnEvent_Timer(TimerId)
{
    if (TimerId == "MyTimer")
    {
        flag=true;
        MsgPlus.AddTimer("MyTimer",5000);
    }
}

---

This wont work, i thought of this and tried several methodes to achieve this perior to your post. once you enter the while loop you cannot break early, even the onEvent timer waits for the loop to end and thus it runs indefinatly.

I really need a way to pause my script and have yet to find one.

edit: after 3 hours of trying today i think it just might be impossible.

Erm... why on earth loop through GetTickCount when there's a win32 Sleep function ?

show us master for i am a nub

why would you ever want to while loop to pause your code just pass a function and get the function which handles the timer to call it when it is up and you can use closures to pass variables

eg

code:

---

var callback;
function myCode(arg1){
    //do stuff
   
    //oh noes now i need to sleep to wait for a value
   
    //function to call when timer is up
   
    function returnCallback(arg1){
        function callback(arg){
            return arg1 * arg;
        }
    return callback;
    }
    callback = returnCallback(5);
    MsgPlus.AddTimer("MyTimer",5000);
   
}



function OnEvent_Timer(TimerId){
    if(TimerId == "MyTimer"){
    //it should show the result of 5*5
    Debug.Trace(callback(5));
    }
}

---

more on javascript closures here
http://jibbering.com/faq/faq_notes/closures.html

quote:

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Originally posted by TheBlasphemer
Erm... why on earth loop through GetTickCount when there's a win32 Sleep function ?

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Read my post, I said I tried that too.