forked from xuos/xiuos
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file: xs_id.h
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* @brief: function declaration and structure defintion of id manager
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* @version: 1.0
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* @author: AIIT XUOS Lab
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* @date: 2020/4/20
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*
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*/
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#ifndef XS_ID_H
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#define XS_ID_H
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#include <xs_klist.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct IdNode
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{
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uint16 id;
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DoubleLinklistType link;
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};
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struct IdManager
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{
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uint16 id_max;
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uint16 hoffset;
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uint8 *id_map;
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DoubleLinklistType *htable;
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};
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#define DECLARE_ID_MANAGER(_name, _id_max) \
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uint8 __id_map_##_name[((_id_max) + 7) / 8]; \
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DoubleLinklistType __htable_##_name[(_id_max) < ID_HTABLE_SIZE ? (_id_max) : ID_HTABLE_SIZE]; \
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struct IdManager _name = { \
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.id_max = _id_max, \
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.hoffset = (_id_max) < ID_HTABLE_SIZE ? (_id_max) : ID_HTABLE_SIZE, \
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.id_map = __id_map_##_name, \
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.htable = __htable_##_name \
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};
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int IdInsertObj(struct IdManager *manager, struct IdNode *idnode);
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struct IdNode *IdGetObj(struct IdManager *manager, uint16 id);
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void IdRemoveObj(struct IdManager *manager, uint16 id);
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#ifdef __cplusplus
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}
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#endif
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#endif
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