test: add tests for worker error code

test/units/testsuite-17.03.sh

@@ -3,6 +3,7 @@
 set -ex
 
 test_rule="/run/udev/rules.d/49-test.rules"
+KILL_PID=
 
 setup() {
     mkdir -p "${test_rule%/*}"
@@ -22,18 +23,37 @@ EOF
 teardown() {
     set +e
 
+    if [[ -n "$KILL_PID" ]]; then
+        kill "$KILL_PID"
+    fi
+
+    rm -rf "$TMPDIR"
+
     mv -f /etc/udev/udev.conf.bckp /etc/udev/udev.conf
     rm -f "$test_rule"
     systemctl restart systemd-udevd.service
 }
 
 run_test() {
+    local since
+
     since="$(date '+%F %T')"
 
-    SYSTEMD_LOG_LEVEL=debug udevadm trigger --verbose --settle --action add /dev/null
+    TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
+    udevadm monitor --udev --property --subsystem-match=mem >"$TMPDIR"/monitor.txt &
+    KILL_PID="$!"
 
-    for _ in {1..20}; do
+    SYSTEMD_LOG_LEVEL=debug udevadm trigger --verbose --action add /dev/null
+
+    for _ in {1..40}; do
         if coredumpctl --since "$since" --no-legend --no-pager | grep /bin/udevadm ; then
+            kill "$KILL_PID"
+            KILL_PID=
+
+            cat "$TMPDIR"/monitor.txt
+            grep -q 'UDEV_WORKER_FAILED=1' "$TMPDIR"/monitor.txt
+            grep -q 'UDEV_WORKER_SIGNAL=6' "$TMPDIR"/monitor.txt
+            grep -q 'UDEV_WORKER_SIGNAL_NAME=ABRT' "$TMPDIR"/monitor.txt
             return 0
         fi
         sleep .5