63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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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_MALLOCATOR_H_
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#define _TD_MALLOCATOR_H_
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#include "os.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SMemAllocator SMemAllocator;
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#define MALLOCATOR_APIS \
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void *(*malloc)(SMemAllocator *, size_t size); \
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void *(*calloc)(SMemAllocator *, size_t nmemb, size_t size); \
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void *(*realloc)(SMemAllocator *, void *ptr, size_t size); \
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void (*free)(SMemAllocator *, void *ptr); \
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size_t (*usage)(SMemAllocator *);
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// Interfaces to implement
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typedef struct {
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MALLOCATOR_APIS
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} SMemAllocatorIf;
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struct SMemAllocator {
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void * impl;
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size_t usize;
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MALLOCATOR_APIS
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};
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// heap allocator
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SMemAllocator *tdCreateHeapAllocator();
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void tdDestroyHeapAllocator(SMemAllocator *pMemAllocator);
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// arena allocator
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SMemAllocator *tdCreateArenaAllocator(size_t size);
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void tdDestroyArenaAllocator(SMemAllocator *);
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#define mMalloc(pMemAllocator, size) (*(pMemAllocator->malloc))(pMemAllocator, size)
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#define mCalloc(pMemAllocator, nmemb, size) (*(pMemAllocator->calloc))(pMemAllocator, nmemb, size)
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#define mRealloc(pMemAllocator, ptr, size) (*(pMemAllocator->realloc))(pMemAllocator, ptr, size)
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#define mFree(pMemAllocator, ptr) (*(pMemAllocator->free))(pMemAllocator, ptr)
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#define mUsage(pMemAllocator) (*(pMemAllocator->usage))(pMemAllocator)
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_MALLOCATOR_H_*/ |