A synchronized shared buffer implementation : Thread Sync « Thread « C# / C Sharp

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C# / C Sharp » Thread » Thread SyncScreenshots 
A synchronized shared buffer implementation
A synchronized shared buffer implementation



using System;
using System.Threading;

public class SynchronizedBuffer
{
   private int buffer = -1

   private int occupiedBufferCount = 0;  

   public int Buffer
   {      
      get
      
         Monitor.Enterthis );

         if occupiedBufferCount == )
         {
            Console.WriteLine(Thread.CurrentThread.Name + " tries to read." );
            DisplayState"Buffer empty. " +Thread.CurrentThread.Name + " waits." );
            Monitor.Waitthis );
         
         --occupiedBufferCount;    
                              
         DisplayStateThread.CurrentThread.Name + " reads " + buffer );

         Monitor.Pulsethis );
         int bufferCopy = buffer;

         Monitor.Exitthis );

         return bufferCopy;
      }
      set
      {
         Monitor.Enterthis );
         if occupiedBufferCount == )
         {
            Console.WriteLine(Thread.CurrentThread.Name + " tries to write." );
            DisplayState"Buffer full. " + Thread.CurrentThread.Name + " waits." );
            Monitor.Waitthis );
         }
         buffer = value;

         ++occupiedBufferCount;

         DisplayStateThread.CurrentThread.Name + " writes " + buffer );
         Monitor.Pulsethis );

         Monitor.Exitthis );
      
   }

   public void DisplayStatestring operation )
   {
      Console.WriteLine"{0,-35}{1,-9}{2}\n",operation, buffer, occupiedBufferCount );
   }

   static void Mainstring[] args )
   {
      SynchronizedBuffer shared = new SynchronizedBuffer();
      Random random = new Random();

      Console.WriteLine"{0,-35}{1,-9}{2}\n","Operation""Buffer""Occupied Count" );
      shared.DisplayState"Initial state" );

      Producer producer = new Producershared, random );
      Consumer consumer = new Consumershared, random );

      Thread producerThread = new Threadnew ThreadStartproducer.Produce ) );
      producerThread.Name = "Producer";

      Thread consumerThread = new Threadnew ThreadStartconsumer.Consume ) );
      consumerThread.Name = "Consumer";

      producerThread.Start();
      consumerThread.Start();
   }
}

public class Consumer
{
   private SynchronizedBuffer sharedLocation;
   private Random randomSleepTime;

   public ConsumerSynchronizedBuffer shared, Random random )
   {
      sharedLocation = shared;
      randomSleepTime = random;
   }

   public void Consume()
   {
      int sum = 0;

      for int count = 1; count <= 10; count++ )
      {
         Thread.SleeprandomSleepTime.Next11001 ) );
         sum += sharedLocation.Buffer;
      }

      Console.WriteLine("{0} read values totaling: {1}.\nTerminating {0}.",Thread.CurrentThread.Name, sum );
   }
}

public class Producer 
{
   private SynchronizedBuffer sharedLocation;
   private Random randomSleepTime;

   public ProducerSynchronizedBuffer shared, Random random )
   {
      sharedLocation = shared;
      randomSleepTime = random;
   }
   public void Produce()
   {
      for int count = 1; count <= 10; count++ 
      {
         Thread.SleeprandomSleepTime.Next11001 ) );
         sharedLocation.Buffer = count; 
      }
      Console.WriteLine"{0} done producing.\nTerminating {0}.",Thread.CurrentThread.Name );
   }
}


           
       
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