[Mono-list] Multithreaded output : bug or feature

[Yury Serdyuk]

Yury Serdyuk wrote:

> Hi !
>
> I have tried the following program:
>
> using System;
> using System.Threading;
>
> public class MultiThreadedOutput   {
>
> public static void Main ( String[] args )  {
>
>  int   P   = Convert.ToInt32 ( args [ 0 ] );
>    for ( int i = 0; i < P; i++ ) {
>   ThreadObject tobj = new ThreadObject ( i );
>   Thread t = new Thread ( new ThreadStart ( tobj.Run ) );
>   t.Start ();
>  }
>
>  Console.ReadKey ();
>  
> }
>
> }
>
> public class ThreadObject   {
>
> private int myNumber;
>
> public ThreadObject ( int i )  {
>
>  myNumber = i;
>
> }
>
> public void Run ()   {
>
>  Console.WriteLine ( "Thread " + myNumber + " start ..." );
>
>  Console.WriteLine ( "Thread " + myNumber + " finish ..." );
>
> }
>
> }
>
> The output which I got:
>
>> [serdyuk at node-284 nqueen]$ mono MultiThreadedOutput.exe 1
>> Thread 0 start ...
>> Thread 0 finish ...
>>
>> [serdyuk at node-284 nqueen]$ mono MultiThreadedOutput.exe 2
>> Thread 1 start ...Thread 0 start ...Thread 1 start ...Thread 0 start ...
>>
>> Thread 0 finish ...
>> Thread 1 finish ...
>>
>> [serdyuk at node-284 nqueen]$ mono MultiThreadedOutput.exe 3
>> Thread 0 start ...Thread 1 start ...Thread 2 start ...Thread 0 start 
>> ...Thread 0 start ...Thread 1 start ...Thread 2 start ...
>> Thread 0 finish ...
>>
>> Thread 1 finish ...
>>
>> Thread 2 finish ...
>
>
> Is it true ?
> Under Windows I got like:
>
>> D:\users\serdyuk>MultiThreadedOutput 1
>> Thread 0 start ...
>> Thread 0 finish ...
>>
>> D:\users\serdyuk>MultiThreadedOutput 2
>> Thread 0 start ...
>> Thread 0 finish ...
>> Thread 1 start ...
>> Thread 1 finish ...
>>
>> D:\users\serdyuk>MultiThreadedOutput 2
>> Thread 0 start ...
>> Thread 1 start ...
>> Thread 0 finish ...
>> Thread 1 finish ...
>>
>> D:\users\serdyuk>MultiThreadedOutput 2
>> Thread 1 start ...
>> Thread 0 start ...
>> Thread 0 finish ...
>> Thread 1 finish ...
>
>
> I have tried my program under
>
>> [serdyuk at node-284 nqueen]$ mono -V
>> Mono JIT compiler version 1.9.1 (tarball)
>> Copyright (C) 2002-2007 Novell, Inc and Contributors. 
>> www.mono-project.com
>>         TLS:           __thread
>>         GC:            Included Boehm (with typed GC)
>>         SIGSEGV:       altstack
>>         Notifications: epoll
>>         Architecture:  amd64
>>         Disabled:      none
>
>
>> [serdyuk at node-284 nqueen]$ uname -a
>> Linux node-284 2.6.21-1.3194.fc8 #1 SMP Tue Feb 12 18:15:41 EET 2008 
>> x86_64 x86_64 x86_64 GNU/Linux
>
>
>> [serdyuk at node-284 proc]$ cat cpuinfo
>> processor       : 0
>> vendor_id       : AuthenticAMD
>> cpu family      : 15
>> model           : 33
>> model name      : Dual Core AMD Opteron(tm) Processor 875 HE
>
>
> ( 2 processors ).
>
> Thanks.
>
> Yury Serdyuk
>
>
>
>