42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU)
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* OS-Lab-2020 (i.e., ChCore) is licensed under the Mulan PSL v1.
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* You can use this software according to the terms and conditions of the Mulan PSL v1.
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* You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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*/
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#pragma once
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#include <common/types.h>
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#define RADIX_NODE_BITS (9)
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#define RADIX_NODE_SIZE (1 << (RADIX_NODE_BITS))
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#define RADIX_NODE_MASK (RADIX_NODE_SIZE - 1)
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#define RADIX_MAX_BITS (64)
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struct radix_node {
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union {
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struct radix_node *children[RADIX_NODE_SIZE];
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void *values[RADIX_NODE_SIZE];
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};
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};
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struct radix {
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struct radix_node *root;
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void (*value_deleter) (void *);
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};
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/* interfaces */
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struct radix *new_radix(void);
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void init_radix(struct radix *radix);
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int radix_add(struct radix *radix, u64 key, void *value);
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void *radix_get(struct radix *radix, u64 key);
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int radix_free(struct radix *radix);
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int radix_del(struct radix *radix, u64 key);
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void init_radix_w_deleter(struct radix *radix, void (*value_deleter) (void *));
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