Anders Boström <>  wrote:
>  Hej,
>  I have a server implemented in Perl.
>  It handles multiple connection with the use of "IO::Select".
>  
>  All work well with the first 63 concurrent clients, but if client 64
>  and upwards sends messages, they will not be seen on the server as
>  long as the other 63 client are connected to the server. Is there a
>  limit that I have hit, or whats going on?  
>  I have tested it on Win XP, and Win Server 2003.
>  
>  I have made a small demo program (based on a tutorial snippet I
>     found) that illustrates the problem.
>  http://www.mollehem.se/bilder/socketDemo.zip 
>  It consist of one server and one client.
>  The client opens 100 connections. Then it starts sending "ping" on
>  each connection. 1-63 can be seen on the server side, but not 64-100. 
>  Then the client starts closing the connections, and for each closed
>  connection, one more ping is seen on the server! 
>  
>  I would be very happy for an explanation!

64 is the default limit on the number of file handles that you can call select with in win32
. According to the doco ("ActivePerl 5.10 Change Log"), this was increased to 2000 for build
 1001, so you might want to upgrade your Perl.

HTH

-- 
Brian Raven 
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