From 8f7deef03f716181d0ab937b31ba4b7391db31df Mon Sep 17 00:00:00 2001
From: Andreas Bachlechner <62039342+bachandi@users.noreply.github.com>
Date: Wed, 23 Feb 2022 13:23:43 +0100
Subject: [PATCH] Updating the rrd needs to have the exculsive lock and
 emailreports do not need to have a lock as it just creates an cgi request
 which has its own lock.

---
 monitorix | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/monitorix b/monitorix
index 4b80f8c..beda540 100755
--- a/monitorix
+++ b/monitorix
@@ -769,7 +769,7 @@ while(1) {
 	# call to all enabled graphs on every minute
 	if($sec == 0) {
 		my $lockfile_handler = lockfile_handler(\%config);
-		global_flock($lockfile_handler, LOCK_SH);
+		global_flock($lockfile_handler, LOCK_EX);
 		foreach my $f (@{$config{func_update}}) {
 			my $update = $f . "_update";
 			my $d = $f;
@@ -832,7 +832,6 @@ while(1) {
 					next;
 				}
 
-				global_flock($lockfile_handler, LOCK_SH);
 				# daily
 				if(lc($emailreports->{daily}->{enabled} || "") eq "y") {
 					eval { emailreports::emailreports_send(\%config, "daily", "1day", $d); };
@@ -870,7 +869,6 @@ while(1) {
 						}
 					}
 				}
-				global_flock($lockfile_handler, LOCK_UN);
 			}
 		}