273_C++_evnet msg callback:C++的事件处理框架，用于处理不同类型的事件通知和回调

///evnet msg callback /
typedef struct RS_EventNotify_s  RS_EventNotify_t;

enum RS_Event_Type_E{
   
	EVENT_IO_ALARM,
	EVENT_MOTION,
	EVENT_PERIMETER_LINE,
	EVENT_PERIMETER_ZONE,
	EVENT_GOODS_LOST_LEGACY,
    EVENT_PEDESTRIAN_DETECTION,
    EVENT_FACE_DETECTION,
    EVENT_CROSS_COUNTING,
	EVENT_REBOOT,
	EVENT_M