Method FreePtr

adapter/micro_thread/mt_notify.h:282–289

    };

    void FreePtr(ValueType* ptr) {
        if ((int)_ptr_list.size() >= _max_free) {
            delete ptr;
            _total--;
        } else {
            _ptr_list.push(ptr);
        }
    };    
    
protected:
    PtrQueue  _ptr_list;