commit 8fef90084f3d19e90ba1bb22b8cd1d58ddaf6ef3
Author: Steve Dickson <steved@redhat.com>
Date:   Tue Jun 21 12:06:06 2016 -0400

    start-statd: Use flock to serialize the running of this script
    
    To once and for all stop multiple rpc.statd from
    being started (mostly in HA environments), use
    flock to serialize the running of the script
    
    Signed-off-by: Steve Dickson <steved@redhat.com>

diff --git a/utils/statd/start-statd b/utils/statd/start-statd
index 19e6eb2..2fd6039 100755
--- a/utils/statd/start-statd
+++ b/utils/statd/start-statd
@@ -6,6 +6,10 @@
 # site.
 PATH="/sbin:/usr/sbin:/bin:/usr/bin"
 
+# Use flock to serialize the running of this script
+exec 200> /var/run/rpc.statd.lock
+flock -e 200
+
 if [ -s /var/run/rpc.statd.pid ] &&
        [ 1`cat /var/run/rpc.statd.pid` -gt 1 ] &&
        kill -0 `cat /var/run/rpc.statd.pid` > /dev/null 2>&1