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 $^W;
+ require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY));
+ };
+ } else {
+ dbg("IPPROTO_TCP and TCP_NODELAY manually defined");
+ eval 'sub IPPROTO_TCP { 6 };';
+ eval 'sub TCP_NODELAY { 1 };';
+ }
+ }
# http://support.microsoft.com/support/kb/articles/Q150/5/37.asp
# defines EINPROGRESS as 10035. We provide it here because some
# Win32 users report POSIX::EINPROGRESS is not vendor-supported.
if ($^O eq 'MSWin32') {
eval '*EINPROGRESS = sub { 10036 };';
eval '*EWOULDBLOCK = *EAGAIN = sub { 10035 };';
- $blocking_supported = 1;
+ eval '*F_GETFL = sub { 0 };';
+ eval '*F_SETFL = sub { 0 };';
+ eval '*IPPROTO_TCP = sub { 6 };';
+ eval '*TCP_NODELAY = sub { 1 };';
+ $blocking_supported = 0; # it appears that this DOESN'T work :-(
}
}
return unless $blocking_supported;
# Make the handle stop blocking, the Windows way.
- if ($main::iswin) {
- # 126 is FIONBIO (some docs say 0x7F << 16)
- ioctl( $_[0],
- 0x80000000 | (4 << 16) | (ord('f') << 8) | 126,
- "$_[1]"
- );
- }
-
- my $flags = fcntl ($_[0], F_GETFL, 0);
- if ($_[1]) {
- $flags &= ~O_NONBLOCK;
+ if ($main::is_win) {
+ # 126 is FIONBIO (some docs say 0x7F << 16)
+ ioctl( $_[0],
+ 0x80000000 | (4 << 16) | (ord('f') << 8) | 126,
+ "$_[1]"
+ );
} else {
- $flags |= O_NONBLOCK;
+ my $flags = fcntl ($_[0], F_GETFL, 0);
+ if ($_[1]) {
+ $flags &= ~O_NONBLOCK;
+ } else {
+ $flags |= O_NONBLOCK;
+ }
+ fcntl ($_[0], F_SETFL, $flags);
}
- fcntl ($_[0], F_SETFL, $flags);
}
# save it
return $self;
}
-my $oldw = $^W;
-$^W = 0;
-eval "use Socket qw(IPPROTO_TCP TCP_NODELAY)";
-$^W = $oldw;
-if ($@ && !$main::inwin) {
- sub IPPROTO_TCP {6;}
- sub TCP_NODELAY {1;};
-}
sub nolinger
{
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 $n = unpack "l", getsockopt($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: $!";
- setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1) or confess "setsockopt: $!" unless $main::iswin;
- $conn->{sock}->autoflush(0);
-
- if (isdbg('sock')) {
- my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
- my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
- my $n = unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
- dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
- }
+ unless ($main::is_win) {
+ 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");
+ }
+ }
}
sub dequeue