1 /* 2 Copyright (c) 2005-2021 Intel Corporation 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 #ifndef _TBB_detail__intrusive_list_node_H 18 #define _TBB_detail__intrusive_list_node_H 19 20 namespace tbb { 21 namespace detail { 22 namespace d1 { 23 24 //! Data structure to be inherited by the types that can form intrusive lists. 25 /** Intrusive list is formed by means of the member_intrusive_list<T> template class. 26 Note that type T must derive from intrusive_list_node either publicly or 27 declare instantiation member_intrusive_list<T> as a friend. 28 This class implements a limited subset of std::list interface. **/ 29 struct intrusive_list_node { 30 intrusive_list_node* my_prev_node{}; 31 intrusive_list_node* my_next_node{}; 32 #if TBB_USE_ASSERT intrusive_list_nodeintrusive_list_node33 intrusive_list_node() { my_prev_node = my_next_node = this; } 34 #endif /* TBB_USE_ASSERT */ 35 }; 36 37 } // namespace d1 38 } // namespace detail 39 } // namespace tbb 40 41 #endif // _TBB_detail__intrusive_list_node_H 42