X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcreate_sysop.pl;h=d600ec6ee623515082fc2f113062882d534d3e85;hb=dbc63738d8b497c03bfb81c84e61161bb5c7931a;hp=52cd941f779c7b05ec6e9e8ebb2c6221c9f8c493;hpb=3f1c5ab45aa13e99da6bea0bfcc6d4434beb5871;p=spider.git

diff --git a/perl/create_sysop.pl b/perl/create_sysop.pl
index 52cd941f..d600ec6e 100755
--- a/perl/create_sysop.pl
+++ b/perl/create_sysop.pl
@@ -75,6 +75,15 @@ sub create_it
 
 }
 
+$lockfn = "$root/perl/cluster.lck";       # lock file name
+if (-e $lockfn) {
+	open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!";
+	my $pid = <CLLOCK>;
+	chomp $pid;
+	die "Sorry, Lockfile ($lockfn) and process $pid exist, a cluster is running\n" if kill 0, $pid;
+	close CLLOCK;
+}
+
 if (-e "$userfn") {
 	print "Do you wish to destroy your user database (THINK!!!) [y/N]: ";
 	$ans = <STDIN>;