2021-11-08 07:10:42 +00:00
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/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_VNODE_MEM_ALLOCATOR_H_
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#define _TD_VNODE_MEM_ALLOCATOR_H_
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2021-12-13 08:31:39 +00:00
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#include "os.h"
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2021-11-10 13:25:55 +00:00
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2021-11-08 07:10:42 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2021-12-22 05:43:32 +00:00
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typedef struct SVArenaNode {
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2021-12-13 14:21:28 +00:00
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TD_SLIST_NODE(SVArenaNode);
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2021-12-13 09:57:14 +00:00
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uint64_t size; // current node size
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2021-12-13 08:31:39 +00:00
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void * ptr;
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char data[];
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2021-12-22 05:43:32 +00:00
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} SVArenaNode;
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2021-12-13 08:31:39 +00:00
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2021-12-22 05:43:32 +00:00
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typedef struct SVMemAllocator {
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2021-12-14 08:14:08 +00:00
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T_REF_DECLARE()
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2021-12-13 13:06:33 +00:00
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TD_DLIST_NODE(SVMemAllocator);
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2021-12-13 14:21:28 +00:00
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uint64_t capacity;
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uint64_t ssize;
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uint64_t lsize;
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SVArenaNode *pNode;
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TD_SLIST(SVArenaNode) nlist;
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2021-12-22 05:43:32 +00:00
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} SVMemAllocator;
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2021-12-13 08:31:39 +00:00
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SVMemAllocator *vmaCreate(uint64_t capacity, uint64_t ssize, uint64_t lsize);
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void vmaDestroy(SVMemAllocator *pVMA);
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void vmaReset(SVMemAllocator *pVMA);
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void * vmaMalloc(SVMemAllocator *pVMA, uint64_t size);
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void vmaFree(SVMemAllocator *pVMA, void *ptr);
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2021-12-13 09:57:14 +00:00
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bool vmaIsFull(SVMemAllocator *pVMA);
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2021-11-10 13:25:55 +00:00
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2021-11-08 07:10:42 +00:00
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_VNODE_MEM_ALLOCATOR_H_*/
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