using System;
using System.Threading;
class ThreadSleeper
{
int seconds;
AutoResetEvent napDone = new AutoResetEvent(false);
private ThreadSleeper(int seconds)
{
this.seconds = seconds;
}
public void Nap()
{
Console.WriteLine("Napping {0} seconds", seconds);
Thread.Sleep(seconds * 1000);
Console.WriteLine("{0} second nap finished", seconds);
napDone.Set();
}
public static WaitHandle DoSleep(int seconds)
{
ThreadSleeper ts = new ThreadSleeper(seconds);
Thread thread = new Thread(new ThreadStart(ts.Nap));
thread.Start();
return(ts.napDone);
}
}
public class OperationsThreadsWaitingwithWaitHandle
{
public static void Main()
{
WaitHandle[] waits = new WaitHandle[2];
waits[0] = ThreadSleeper.DoSleep(8);
waits[1] = ThreadSleeper.DoSleep(4);
Console.WriteLine("Waiting for threads to finish");
WaitHandle.WaitAll(waits);
Console.WriteLine("Threads finished");
}
}
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