Implementing a timer using threads

[Dennis Kempin]

Hi,

i just started to learn D (have been using c++ or java up to now) and am
wondering how to implement some kind of timer, a thread that calls a
delegate every n seconds.
This was my first idea (without flags for stopping the timer etc):

class Timer: Thread
{
        int run()
        {
                while(true)
                {
                        this.wait(1000); // wait one second
                        writefln("one second passed");
                }
                return 0;
        }
}

But writefln never gets executed, because this.wait is used to wait for
other threads than the current one. Is there any other way to get let
Thread sleep for some seconds (I know that there is a Sleep function for
Win32, but a platform independend way would be very great).

regards
Dennis