#define NOTIFIER_SOCKET_NAME "exim_daemon_notify"
/* Notify message types */
-#define NOTIFY_MSG_QRUN 1
-#define NOTIFY_QUEUE_SIZE_REQ 2
-#define NOTIFY_REGEX 3
+#define NOTIFY_MSG_QRUN 1 /* 2stage qrun fast-ramp trigger */
+#define NOTIFY_QUEUE_SIZE_REQ 2 /* obtain current queue count */
+#define NOTIFY_REGEX 3 /* an RE for caching */
/* Flags for match_check_string() */
typedef unsigned mcs_flags;