use IO::Socket blocking wherever possible

[spider.git] / perl / Msg.pm

diff --git a/perl/Msg.pm b/perl/Msg.pm
index c3637fb0bf6843320e97bf0c658e19345007c073..e13be8f31d90f00329ff08a628c66fa79ac5cffb 100644 (file)
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -42,11 +42,9 @@ BEGIN {
         require POSIX; POSIX->import(qw(O_NONBLOCK F_SETFL F_GETFL))
     };
        if ($@ || $main::is_win) {
-#              print STDERR "POSIX Blocking *** NOT *** supported $@\n";
-               $blocking_supported = 0;
+               $blocking_supported = IO::Socket->can('blocking') ? 2 : 0;
        } else {
-               $blocking_supported = 1;
-#              print STDERR "POSIX Blocking enabled\n";
+               $blocking_supported = IO::Socket->can('blocking') ? 2 : 1;
        }
 
 
@@ -139,12 +137,8 @@ sub blocking
        return unless $blocking_supported;
 
        # Make the handle stop blocking, the Windows way.
-       if ($main::is_win) { 
-         # 126 is FIONBIO (some docs say 0x7F << 16)
-               ioctl( $_[0],
-                          0x80000000 | (4 << 16) | (ord('f') << 8) | 126,
-                          "$_[1]"
-                        );
+       if ($blocking_supported) { 
+               $_[0]->blocking($_[1]);
        } else {
                my $flags = fcntl ($_[0], F_GETFL, 0);
                if ($_[1]) {
@@ -217,7 +211,6 @@ sub connect {
        my $ip = gethostbyname($to_host);
        return undef unless $ip;
        
-#      my $r = $sock->connect($to_port, $ip);
        my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
        return undef unless $r || _err_will_block($!);
        
@@ -347,10 +340,10 @@ sub _send {
     # return to the event loop only after every message, or if it
     # is likely to block in the middle of a message.
 
-       if ($conn->{blocking} != $flush) {
-               blocking($sock, $flush);
-               $conn->{blocking} = $flush;
-       }
+#      if ($conn->{blocking} != $flush) {
+#              blocking($sock, $flush);
+#              $conn->{blocking} = $flush;
+#      }
     my $offset = (exists $conn->{send_offset}) ? $conn->{send_offset} : 0;
 
     while (@$rq) {