use IO::Socket;
use DXDebug;
use Timer;
-use Errno qw(EWOULDBLOCK EAGAIN EINPROGRESS);
-use POSIX qw(F_GETFL F_SETFL O_NONBLOCK);
use vars qw(%rd_callbacks %wt_callbacks %er_callbacks $rd_handles $wt_handles $er_handles $now %conns $noconns);
BEGIN {
# Checks if blocking is supported
eval {
- require POSIX; POSIX->import(qw (F_SETFL O_NONBLOCK));
+ require POSIX; POSIX->import(qw (F_SETFL F_GETFL O_NONBLOCK));
};
$blocking_supported = 1 unless $@;
+
+ # import as many of these errno values as are available
+ eval {
+ require Errno; Errno->import(qw(EAGAIN EINPROGRESS EWOULDBLOCK));
+ };
}
my $w = $^W;
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;
1; # Success
}
+sub dup_sock
+{
+ my $conn = shift;
+ my $oldsock = $conn->{sock};
+ my $rc = $rd_callbacks{$oldsock};
+ my $wc = $wt_callbacks{$oldsock};
+ my $ec = $er_callbacks{$oldsock};
+ my $sock = $oldsock->new_from_fd($oldsock, "w+");
+ if ($sock) {
+ set_event_handler($oldsock, read=>undef, write=>undef, error=>undef);
+ $conn->{sock} = $sock;
+ set_event_handler($sock, read=>$rc, write=>$wc, error=>$ec);
+ $oldsock->close;
+ }
+}
+
sub _err_will_block {
return 0 unless $blocking_supported;
return ($_[0] == $eagain || $_[0] == $ewouldblock || $_[0] == $einprogress);