Probleme with Threads

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Hi friends,

I want help to create 10 Threads, and when these threads end work they will be killed, and after I create another 10 execute the same methode and like that...
every time i have to do this,

Thx

Posted 20-Sep-11 5:05am

pablo ramos1

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jim lahey 20-Sep-11 11:09am

and have you tried anything yet?

Rob Philpott 20-Sep-11 11:21am

Why kill them when they're finished? Why not reuse them?

Sergey Alexandrovich Kryukov 20-Sep-11 16:52pm

Right. The same way you could ask: why 10 threads, not 8 or 512? Some sloppy design not based on anything rational.
--SA

2 solutions

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Mehdi Gholam · Answer 1 · 2011-09-20T05:20:00

Solution 2

Threads are expensive resources, and you should create and reuse them.

See the following link on ThreadPools and How to: Use a Thread Pool (C# Programming Guide)

Posted 20-Sep-11 5:20am

Mehdi Gholam

Herman<T>.Instance · Answer 2 · 2011-09-20T05:13:00

Solution 1

create a List<thread> myThreadPoolOfTen = new List<thread>();

with a foreach (Thread thread in myThreadpoolOfTen) you can follow if thread.IsActive is false. In that case you can add a task to the thread.

Have Fun

Posted 20-Sep-11 5:13am

Herman<T>.Instance

Comments

pablo ramos1 20-Sep-11 11:19am

Thank you digimanus for your help, give me an exemple please !!!

Herman<T>.Instance 20-Sep-11 11:20am

can you show your source so I can see the objects you use. I can then setup a ThreadPool for you

pablo ramos1 20-Sep-11 13:49pm

No, just a Method :

public void do()
{
Ping pingSender = new Ping();
PingOptions options = new PingOptions();

// Use the default Ttl value which is 128,
// but change the fragmentation behavior.
options.DontFragment = true;

//Create a buffer of 32 bytes of data to be transmitted.
string data = "192.168.1.2";
PingReply reply = pingSender.Send(data);
if (reply.Status == IPStatus.Success)
{
Console.WriteLine("Address: {0}", reply.Address.ToString());
Console.WriteLine("RoundTrip time: {0}", reply.RoundtripTime);
Console.WriteLine("Time to live: {0}", reply.Options.Ttl);
Console.WriteLine("Don't fragment: {0}", reply.Options.DontFragment);
Console.WriteLine("Buffer size: {0}", reply.Buffer.Length);
}
}

pablo ramos1 20-Sep-11 13:51pm

Every time i have to create 10 Threads to execute this Methode, after i kill their and create a new 10 Threads to do the same work
...

Herman<T>.Instance 20-Sep-11 17:40pm

is this 'restart' part of TimerEvent?

Herman<T>.Instance 20-Sep-11 17:47pm

example:
public class myPooling
{
public void RunMyThreadPool()
{
Thread[] myThreadPool = new Thread[10]
foreach (Thread myThread in myThreadPool)
{
myThread = new Thread(do);
myThreadPool.Add(myThread)
myThread.Start();
}
}

public void do()
{
Ping pingSender = new Ping();
PingOptions options = new PingOptions();

// Use the default Ttl value which is 128,
// but change the fragmentation behavior.
options.DontFragment = true;

//Create a buffer of 32 bytes of data to be transmitted.
string data = "192.168.1.2";
PingReply reply = pingSender.Send(data);
if (reply.Status == IPStatus.Success)
{
Console.WriteLine("Address: {0}", reply.Address.ToString());
Console.WriteLine("RoundTrip time: {0}", reply.RoundtripTime);
Console.WriteLine("Time to live: {0}", reply.Options.Ttl);
Console.WriteLine("Don't fragment: {0}", reply.Options.DontFragment);
Console.WriteLine("Buffer size: {0}", reply.Buffer.Length);
}
}
}

pablo ramos1 21-Sep-11 9:22am

thanks you digimanus