event_timeout=1h
EOF
+# First, test 'add' event.
mkdir -p /run/udev/rules.d/
cat >/run/udev/rules.d/99-testsuite.rules <<EOF
-SUBSYSTEM=="net", ACTION=="change", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
+SUBSYSTEM=="net", ACTION=="add", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
EOF
udevadm control --reload
ip link add "$IFNAME" type dummy
IFINDEX=$(ip -json link show "$IFNAME" | jq '.[].ifindex')
-udevadm wait --timeout 10 "/sys/class/net/${IFNAME}"
-# Check if the database file is created.
-[[ -e "/run/udev/data/n${IFINDEX}" ]]
+timeout 30 bash -c "until [[ -e /run/udev/data/n${IFINDEX} ]] && grep -q -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
+
+(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
+(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
+
+for _ in {1..3}; do
+ systemctl daemon-reexec
+ (! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
+ (! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
+done
+
+for _ in {1..3}; do
+ systemctl daemon-reload
+ (! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
+ (! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
+done
+
+# Check if the reexec and reload have finished during processing the event.
+grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
+
+# Forcibly kill sleep command ivoked by the udev rule to finish processing the add event.
+killall sleep
+udevadm settle --timeout=20
+
+# Check if ID_PROCESSING flag is unset, and the device units are active.
+(! grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}")
+systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
+systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
+
+# Next, test 'change' event.
+cat >/run/udev/rules.d/99-testsuite.rules <<EOF
+SUBSYSTEM=="net", ACTION=="change", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
+EOF
+udevadm control --reload
systemd-run \
-p After="sys-subsystem-net-devices-${IFNAME}.device" \
-u testsleep.service \
sleep 1h
-timeout 10 bash -c 'until systemctl is-active testsleep.service; do sleep .5; done'
-
udevadm trigger "/sys/class/net/${IFNAME}"
-timeout 30 bash -c "until grep -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
+timeout 30 bash -c "until grep -q -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
+
+# Check if the service and device units are still active even ID_PROCESSING flag is set.
+systemctl is-active testsleep.service
+systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
+systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
for _ in {1..3}; do
systemctl daemon-reexec
systemctl is-active testsleep.service
+ systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
+ systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
done
for _ in {1..3}; do
systemctl daemon-reload
systemctl is-active testsleep.service
+ systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
+ systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
done
# Check if the reexec and reload have finished during processing the event.
-grep -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
+grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
exit 0