add checks for other Win32 POSIX substitutes

[spider.git] / perl / Msg.pm

diff --git a/perl/Msg.pm b/perl/Msg.pm
index d4bfba36e5543a116fb095de2cb2af1c7cb879ca..a485718cd155bda80b42eab44cd140f1a66ff00b 100644 (file)
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -82,10 +82,10 @@ BEGIN {
        if ($^O eq 'MSWin32') { 
                eval '*EINPROGRESS = sub { 10036 };' unless defined *EINPROGRESS;
                eval '*EWOULDBLOCK = *EAGAIN = sub { 10035 };' unless defined *EWOULDBLOCK;
-               eval '*F_GETFL     = sub {     0 };';
-               eval '*F_SETFL     = sub {     0 };';
-               eval '*IPPROTO_TCP     = sub {     6 };';
-               eval '*TCP_NODELAY     = sub {     1 };';
+               eval '*F_GETFL     = sub {     0 };' unless defined *F_GETFL;
+               eval '*F_SETFL     = sub {     0 };' unless defined *F_SETFL;
+               eval '*IPPROTO_TCP     = sub {     6 };' unless defined *IPPROTO_TCP;
+               eval '*TCP_NODELAY     = sub {     1 };' unless defined *TCP_NODELAY;
                $blocking_supported = 0;   # it appears that this DOESN'T work :-(
        } 
 }