[PATCH 1/1] start-statd: Use flock to serialize the running of this script

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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@xxxxxxxxxx>
---
 utils/statd/start-statd | 4 ++++
 1 file changed, 4 insertions(+)

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
-- 
2.5.5

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