From 5e7031a532b4df6beb475aa3e7e3f6eec29360a6 Mon Sep 17 00:00:00 2001
From: minima <minima>
Date: Sun, 8 Apr 2001 23:21:28 +0000
Subject: [PATCH] changed lockfile name to .lck (from .lock) for M$

---
 Changes              | 2 ++
 perl/DXUser.pm       | 2 +-
 perl/cluster.pl      | 3 +--
 perl/create_sysop.pl | 9 +++++++++
 perl/update_sysop.pl | 2 +-
 5 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/Changes b/Changes
index fefdbcb4..2f05c43d 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,5 @@
+09Apr01=======================================================================
+1. changed lockfile name to cluster.lck (from .lock) for MSWin's benefit
 08Apr01=======================================================================
 1. added a quick installation guide to the admin manual and removed references
 to client.pl (g0vgs)
diff --git a/perl/DXUser.pm b/perl/DXUser.pm
index fa9e109f..ca73a02e 100644
--- a/perl/DXUser.pm
+++ b/perl/DXUser.pm
@@ -340,7 +340,7 @@ BEGIN {
 	
 	# try to detect a lockfile (this isn't atomic but 
 	# should do for now
-	$lockfn = "$root/perl/cluster.lock";       # lock file name
+	$lockfn = "$root/perl/cluster.lck";       # lock file name
 	if (-e $lockfn) {
 		open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!";
 		my $pid = <CLLOCK>;
diff --git a/perl/cluster.pl b/perl/cluster.pl
index 0a66c1db..8a02bfd3 100755
--- a/perl/cluster.pl
+++ b/perl/cluster.pl
@@ -25,7 +25,7 @@ BEGIN {
 
 	# try to create and lock a lockfile (this isn't atomic but 
 	# should do for now
-	my $lockfn = "$root/perl/cluster.lock";       # lock file name
+	$lockfn = "$root/perl/cluster.lck";       # lock file name
 	if (-e $lockfn) {
 		open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!";
 		my $pid = <CLLOCK>;
@@ -89,7 +89,6 @@ use vars qw(@inqueue $systime $version $starttime $lockfn @outstanding_connects
 $systime = 0;					# the time now (in seconds)
 $version = "1.47";				# the version no of the software
 $starttime = 0;                 # the starting time of the cluster   
-$lockfn = "cluster.lock";       # lock file name
 #@outstanding_connects = ();     # list of outstanding connects
 @listeners = ();				# list of listeners
 
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>;
diff --git a/perl/update_sysop.pl b/perl/update_sysop.pl
index a3675f81..4cba9abf 100755
--- a/perl/update_sysop.pl
+++ b/perl/update_sysop.pl
@@ -82,7 +82,7 @@ sub create_it
 
 }
 
-$lockfn = "$root/perl/cluster.lock";       # lock file name
+$lockfn = "$root/perl/cluster.lck";       # lock file name
 if (-e $lockfn) {
 	open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!";
 	my $pid = <CLLOCK>;
-- 
2.34.1