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POHow to run number of processes in bunches of thread without using threadPool & used EventWaitHandler for Handling
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  1. POHow to run number of processes in bunches of thread without using threadPool & used EventWaitHandler for Handling
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    copied!<pre><code> class Process { static void Main(string[] args) { int threads = 0; int processes = 0; Console.WriteLine("Total number of processes:"); processes = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter number of parallel threads:"); threads = Convert.ToInt32(Console.ReadLine()); ManualResetEvent[] events = new ManualResetEvent[threads]; int k = 0, innercount = 0; //----running in bunches do { for (int l = 0; l &lt; threads; l++) { if (k &lt; threads) { events[l] = new ManualResetEvent(false); Runner r = new Runner(events[l], innercount); new Thread(new ThreadStart(r.Run)).Start(); Console.WriteLine("running start...{0}", innercount); k++; innercount++; } } WaitHandle.WaitAny(events); k--; Console.WriteLine("Decrement counter...{0}", k); } while (innercount &lt; processes); WaitHandle.WaitAll(events); Console.WriteLine("All finished!"); Console.ReadLine(); } } class Runner { static readonly object rngLock = new object(); static Random rng = new Random(); ManualResetEvent ev; int id; internal Runner(ManualResetEvent ev, int id) { this.ev = ev; this.id = id; } internal void Run() { int sleepTime; lock (rngLock) { sleepTime = rng.Next(2000); } Thread.Sleep(sleepTime); Console.WriteLine("Thread Runner {0}", id); if (ev.Set()) { Console.WriteLine("release thread...{0}", id); } } } </code></pre> <p>I have to run multiple threads.If one thread is finishes then start another thread.Problem is that its started all process at the same time.(Seems that this condition not working fine WaitHandle.WaitAny(events);)</p> <p>1:If 20 threads are running then 21st will be started when One thread releases from 20s thread.</p> <p>2: Without using threadpool can it be done using EventWaitHandler.</p>
 

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