my $ip = gethostbyname($to_host);
# my $r = $sock->connect($to_port, $ip);
my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
- return undef unless $r || _err_will_block($r);
+ return undef unless $r || _err_will_block($!);
$conn->{sock} = $sock;