Prepare cleanup handler impl.

diff --git a/sqm_lagthrottle.sh b/sqm_lagthrottle.sh
index ad274df83459ae1ed4344ee750e88ec45296e6c4..8d41030ebe4d1c30cba4f46f8cfb67324b7d609e 100755 (executable)
--- a/sqm_lagthrottle.sh
+++ b/sqm_lagthrottle.sh
@@ -222,6 +222,7 @@ esac
 
 set -u
 
+trap ':' SIGINT SIGTERM
 
 fping --loop --retry=1 --size=1280 --period="${PING_INTERVAL}" --random ${PING_PEERS} 2>/dev/null \
 | awk \
@@ -238,3 +239,5 @@ fping --loop --retry=1 --size=1280 --period="${PING_INTERVAL}" --random ${PING_P
   -v FUDGE="${FUDGE_MS}" \
   -v PING_PEERS="${PING_PEERS}" \
   -f ./__sqm_lagthrottle.awk
+
+echo 'exiting - cleanup...' >&2