X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fclient.pl;h=fb86542f394dbfdf760d56acb1fe0402c5d0eceb;hb=97315924f561c56cef3b581691409d4217f5c1b5;hp=1a57a1c6e983bb229d283fe4f040ff0aee9e3c2a;hpb=6897e4adf0c591b13b2f9270f9b59158463dac49;p=spider.git

diff --git a/perl/client.pl b/perl/client.pl
index 1a57a1c6..fb86542f 100755
--- a/perl/client.pl
+++ b/perl/client.pl
@@ -163,7 +163,9 @@ sub rec_stdin
 	#  $prbuf =~ s/\r/\\r/;
 	#  $prbuf =~ s/\n/\\n/;
 	#  print "sys: $r ($prbuf)\n";
-	if ($r > 0) {
+	if (!defined $r || $r == 0) {
+		cease(1);
+	} elsif ($r > 0) {
 		if ($mode) {
 			$buf =~ s/\r/\n/og if $mode == 1;
 			$buf =~ s/\r\n/\n/og if $mode == 2;
@@ -189,9 +191,7 @@ sub rec_stdin
 		} else {
 			$conn->send_later("I$call|$buf");
 		}
-	} elsif ($r == 0) {
-		cease(1);
-	}
+	} 
 	$lasttime = time;
 }
 
@@ -225,6 +225,8 @@ sub doconnect
 		$rfh = new IO::File;
 		$wfh = new IO::File;
 		$pid = open2($rfh, $wfh, "$line") or die "can't do $line $!";
+		die "no receive channel $!" unless $rfh;
+		die "no transmit channel $!" unless $wfh;
 		dbg('connect', "got pid $pid");
 		$wfh->autoflush(1);
 	} else {