homework-jianmu/include/util/mallocator.h

47 lines
1.3 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_MALLOCATOR_H_
#define _TD_MALLOCATOR_H_
#include "os.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct SMemAllocator SMemAllocator;
struct SMemAllocator {
char name[16];
void *impl;
void *(*malloc)(SMemAllocator *, uint64_t size);
void *(*calloc)(SMemAllocator *, uint64_t nmemb, uint64_t size);
void *(*realloc)(SMemAllocator *, void *ptr, uint64_t size);
void (*free)(SMemAllocator *, void *ptr);
uint64_t (*usage)(SMemAllocator *);
};
typedef struct {
void *impl;
SMemAllocator *(*create)();
void (*destroy)(SMemAllocator *);
} SMemAllocatorFactory;
#ifdef __cplusplus
}
#endif
#endif /*_TD_MALLOCATOR_H_*/