Pause for less than a second

[johnnyd]

Ok guys, feed me with knowledge. I've created these cool '3D' buttons in C and they behave pretty much like those in Windows. They user highlights them, hits ENTER and the button depresses.

That works fine.

However, because the code is executed so fast, the depress action is barely visible, except on a really slow computer. The best I could do was to make it sleep for 1 second in between it being pressed down and popping back up to its original position.

Sleeping for 1 second each time the button is depressed becomes pretty unnerving very quickly. So here's my question:

How do you get C to sleep or Pause for less than a second? Like 0.7 seconds or something like that? I've used other programming languages that allow you to sleep in milliseconds and that is fine. But there seems to be no standard way of doing it in C.

I'd appreciate any assistance. Thanks.

[Fordy]

The API function - Sleep() takes a param for the number of miliseconds........as long as the value is less than 1000....you should get less than a second's pause......

The func isnt too accurate, but should be ok for this

[johnnyd]

Is that Sleep? (capital S) or did you mean it as an extension of sleep?

[Fordy]

Sleep is a Winapi function......you can also use sleep()........but it will require that you #include an extra lib

[johnnyd]

Thanks man. It works beautifully.

[quzah]

You can also use 'select' with null values and a time in milliseconds.

And just like all your other implementations, this too is OS specific.

Quzah.

[Prelude]

>And just like all your other implementations, this too is OS specific.
Let's have some fun with standard functions. This should work across all platforms.

void sleep ( long m )
{
  clock_t limit, cl = clock();
  limit = cl + m;
  while ( limit > cl )
    cl = clock();
}

-Prelude