system/init: Add class start/stop for service

Usage:
  class_start <classname>
  class_stop <classname>

Signed-off-by: wangjianyu3 <[email protected]>

Author: JianyuWang0623

system/init/builtin.c

@@ -57,13 +57,19 @@ static int cmd_stop(FAR struct action_manager_s *am,
                     int argc, FAR char **argv);
 static int cmd_exec(FAR struct action_manager_s *am,
                     int argc, FAR char **argv);
+static int cmd_class_start(FAR struct action_manager_s *am,
+                           int argc, FAR char **argv);
+static int cmd_class_stop(FAR struct action_manager_s *am,
+                          int argc, FAR char **argv);
 
 /****************************************************************************
  * Private Data
  ****************************************************************************/
 
 static const struct cmd_map_s g_builtin[] =
 {
+  {"class_start", 2, 2, cmd_class_start},
+  {"class_stop", 2, 2, cmd_class_stop},
   {"exec", 3, 99, cmd_exec},
   {"start", 2, 2, cmd_start},
   {"stop", 2, 2, cmd_stop},
@@ -74,6 +80,18 @@ static const struct cmd_map_s g_builtin[] =
  * Private Functions
  ****************************************************************************/
 
+static int cmd_class_start(FAR struct action_manager_s *am,
+                           int argc, FAR char **argv)
+{
+  return init_service_start_by_class(am->sm, argv[1]);
+}
+
+static int cmd_class_stop(FAR struct action_manager_s *am,
+                          int argc, FAR char **argv)
+{
+  return init_service_stop_by_class(am->sm, argv[1]);
+}
+
 static int cmd_start(FAR struct action_manager_s *am,
                      int argc, FAR char **argv)
 {