source: benchmark/schedint/JavaThread.java@ a2dbcff1

class Monitor {
        public static volatile Boolean go = false;
}

class Signaller extends Thread {
        Monitor m;
        Signaller(Monitor m) {
                this.m = m;
        }

        public void run() {
                Monitor.go = true;
                while( Monitor.go ) {
                        synchronized(this.m) {
                                this.m.notify();
                        }
                }
        }
}

public class JavaThread {
        public static void main(String[] args) throws InterruptedException {
                int NoOfTimes = 50000;
                Monitor m = new Monitor();
                long start, end;
                Signaller s = new Signaller(m);
                synchronized(m) {
                        s.start();
                        while( !Monitor.go ) {
                                Thread.yield();
                        }
                        start = System.nanoTime();
                        for(int i = 1; i <= NoOfTimes; i += 1) {
                                m.wait();
                        }
                        end = System.nanoTime();
                }
                Monitor.go = false;
                s.join();
                System.out.println( (end - start) / NoOfTimes);
        }
}