1 /* 2 * 3 * Copyright 2015 Rockchip Electronics Co., LTD. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 #ifndef __RK_LIST_H__ 19 #define __RK_LIST_H__ 20 21 #include <pthread.h> 22 #include "rk_type.h" 23 // desctructor of list node 24 typedef void *(*node_destructor)(void *); 25 26 struct rk_list_node; 27 class rk_list { 28 public: 29 rk_list(node_destructor func); 30 ~rk_list(); 31 32 // for FIFO or FILO implement 33 // adding functions support simple structure like C struct or C++ class pointer, 34 // do not support C++ object 35 RK_S32 add_at_head(void *data, RK_S32 size); 36 RK_S32 add_at_tail(void *data, RK_S32 size); 37 // deleting function will copy the stored data to input pointer with size as size 38 // if NULL is passed to deleting functions, the node will be delete directly 39 RK_S32 del_at_head(void *data, RK_S32 size); 40 RK_S32 del_at_tail(void *data, RK_S32 size); 41 42 // for status check 43 RK_S32 list_is_empty(); 44 RK_S32 list_size(); 45 46 // for vector implement - not implemented yet 47 // adding function will return a key 48 RK_S32 add_by_key(void *data, RK_S32 size, RK_U32 *key); 49 RK_S32 del_by_key(void *data, RK_S32 size, RK_U32 key); 50 RK_S32 show_by_key(void *data, RK_U32 key); 51 52 RK_S32 flush(); 53 54 private: 55 pthread_mutex_t mutex; 56 node_destructor destroy; 57 struct rk_list_node *head; 58 RK_S32 count; 59 60 rk_list(); 61 rk_list(const rk_list &); 62 rk_list &operator=(const rk_list &); 63 }; 64 65 #endif 66