Add utility to get calendar ticks.

src/libutil/util.c

@@ -1856,6 +1856,22 @@ rspamd_get_virtual_ticks (void)
 	return res;
 }
 
+gdouble
+rspamd_get_calendar_ticks (void)
+{
+	gdouble res;
+	struct timeval tv;
+
+	if (gettimeofday (&tv, NULL) == 0) {
+		res = (gdouble)tv.tv_sec + tv.tv_usec / 1e6f;
+	}
+	else {
+		res = time (NULL);
+	}
+
+	return res;
+}
+
 /* Required for tweetnacl */
 void
 randombytes (guchar *buf, guint64 len)

src/libutil/util.h

@@ -357,6 +357,12 @@ gdouble rspamd_get_ticks (void);
  */
 gdouble rspamd_get_virtual_ticks (void);
 
+
+/**
+ * Return the real timestamp as unixtime
+ */
+gdouble rspamd_get_calendar_ticks (void);
+
 /**
  * Special utility to help array freeing in rspamd_mempool
  * @param p