From e370845f41d39d93f76fa34502d62e2513d5eb73 Mon Sep 17 00:00:00 2001

From: Oyvind Albrigtsen <oalbrigt@redhat.com>

Date: Wed, 29 May 2019 14:07:46 +0200

Subject: [PATCH] Squid: dont run pgrep -P without PID

---

 heartbeat/Squid.in | 4 +++-

 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/heartbeat/Squid.in b/heartbeat/Squid.in

index 0b3c8ea86..e62e7ee66 100644

--- a/heartbeat/Squid.in

+++ b/heartbeat/Squid.in

@@ -173,7 +173,9 @@ get_pids()

 	SQUID_PIDS[0]=$(pgrep -f "$PROCESS_PATTERN")

 	# Seek by child process

-	SQUID_PIDS[1]=$(pgrep -P ${SQUID_PIDS[0]})

+	if [[ -n "${SQUID_PIDS[0]}" ]]; then

+		SQUID_PIDS[1]=$(pgrep -P ${SQUID_PIDS[0]})

+	fi

 	if [[ -n "${SQUID_PIDS[1]}" ]]; then

 		typeset exe