wasm-micro-runtime/core/shared-lib/include/bh_memory.h
2019-05-07 10:18:18 +08:00

77 lines
1.8 KiB
C

/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _BH_MEMORY_H
#define _BH_MEMORY_H
#ifdef __cplusplus
extern "C" {
#endif
#define BH_KB (1024)
#define BH_MB ((BH_KB)*1024)
#define BH_GB ((BH_MB)*1024)
/**
* Initialize memory allocator with a pool, the bh_malloc/bh_free function
* will malloc/free memory from the pool
*
* @param mem the pool buffer
* @param bytes the size bytes of the buffer
*
* @return 0 if success, -1 otherwise
*/
int bh_memory_init_with_pool(void *mem, unsigned int bytes);
/**
* Initialize memory allocator with memory allocator, the bh_malloc/bh_free
* function will malloc/free memory with the allocator passed
*
* @param malloc_func the malloc function
* @param free_func the free function
*
* @return 0 if success, -1 otherwise
*/
int bh_memory_init_with_allocator(void *malloc_func, void *free_func);
/**
* Destroy memory
*/
void bh_memory_destroy();
/**
* This function allocates a memory chunk from system
*
* @param size bytes need allocate
*
* @return the pointer to memory allocated
*/
void* bh_malloc(unsigned int size);
/**
* This function frees memory chunk
*
* @param ptr the pointer to memory need free
*/
void bh_free(void *ptr);
#ifdef __cplusplus
}
#endif
#endif /* #ifndef _BH_MEMORY_H */