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527>($r_ready, $w_ready, $e_ready) = IO::Select->select($read_set, $wr
+ite_set, undef, 10);
528>    foreach my $ready_socket (@$r_ready) {
...
534>           or die "cannot get flags for socket: $!\n";
535>        $flags = fcntl($new_connection, F_SETFL, $flags | O_NONBLO
+CK)
536>           or die "cannot set flags for socket: $!\n";

my $server = IO::Socket::INET->new(LocalPort => $cfg->server_port,
                   Type      => SOCK_STREAM,
...
                   Listen    => 10,
                  )
  or die "could not become a tcp server on port ", $cfg->server_port, 
+" : $@\n";