[fltk.general] fltk2.0 can't get fltk::add_fd() working

[Justinas]

Using latest fltk-2.0-r6786 on WinXP I can't get add_fd() system working. I 
setup a tcp server and add it to fltk system using add_fd(). But when I connect 
for example with telnet client no one calls the callback function and in my 
code nothing gets printed. Here's the code:

#include <iostream>
#include <fltk/run.h>
#include <fltk/Window.h>
#include <winsock2.h>

void    sockReadCB( int sock, void* param )
{
        SOCKET a = accept( sock, 0, 0 );
        closesocket( a );
        std::cout << "sockReadCB: " << sock << ", " << param << std::endl;
}

int main()
{
        WSAData wsdt;
        WSAStartup( 0x202, &wsdt );

        SOCKET  sock = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );
        sockaddr_in     addr;
        addr.sin_addr.s_addr = INADDR_ANY;
        addr.sin_port = htons( 2000 );
        addr.sin_family = AF_INET;

        bind( sock, (sockaddr*)&addr, sizeof( sockaddr_in ) );
        listen( sock, 1 );

        fltk::add_fd( sock, sockReadCB );
        fltk::Window            w( 100, 100, 100, 100, "Test" );
        w.show( );

        fltk::run( );

        WSACleanup( );
    return 0;
}

Thanks for help.

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