BEGIN {
# Checks if blocking is supported
eval {
+ local $^W;
require POSIX; POSIX->import(qw(O_NONBLOCK F_SETFL F_GETFL))
};
if ($@ || $main::is_win) {
# import as many of these errno values as are available
eval {
+ local $^W;
require Errno; Errno->import(qw(EAGAIN EINPROGRESS EWOULDBLOCK));
};
unless ($^O eq 'MSWin32') {
if ($] >= 5.6) {
eval {
+ local $^W;
require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY));
};
} else {
eval '*F_SETFL = sub { 0 };';
eval '*IPPROTO_TCP = sub { 6 };';
eval '*TCP_NODELAY = sub { 1 };';
- $blocking_supported = 1;
+ $blocking_supported = 0; # it appears that this DOESN'T work :-(
}
}
{
my $conn = shift;
- if (isdbg('sock')) {
- my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
- my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
- my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
- dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
- }
-
- setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0)) or confess "setsockopt linger: $!";
- setsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE, 1) or confess "setsockopt keepalive: $!";
unless ($main::is_win) {
- setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1) or confess "setsockopt: $!";
+ if (isdbg('sock')) {
+ my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
+ my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
+ my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
+ dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
+ }
+
+ eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE, 1)} or dbg("setsockopt keepalive: $!");
+ eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0))} or dbg("setsockopt linger: $!");
+ eval {setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1)} or eval {setsockopt($conn->{sock}, SOL_SOCKET, TCP_NODELAY, 1)} or dbg("setsockopt tcp_nodelay: $!");
+ $conn->{sock}->autoflush(0);
+
+ if (isdbg('sock')) {
+ my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
+ my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
+ my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
+ dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
+ }
}
- $conn->{sock}->autoflush(0);
-
- if (isdbg('sock')) {
- my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
- my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
- my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
- dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
- }
}
sub dequeue