rt-thread/bsp/bl808/m0/libraries/utils/include/utils_memp.h

56 lines
2.3 KiB
C

/*
* Copyright (c) 2016-2022 Bouffalolab.
*
* This file is part of
* *** Bouffalolab Software Dev Kit ***
* (see www.bouffalolab.com).
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of Bouffalo Lab nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __UTILS_MEMP_H__
#define __UTILS_MEMP_H__
struct utils_memp_node {
struct utils_memp_node *next;
};
typedef struct pool {
uint32_t node_size;
uint32_t pool_cap;
uint32_t pool_size;
uint8_t align_req;
uint32_t padded_node_size;
void *first_node;
void *last_node;
struct utils_memp_node *mem;
}utils_memp_pool_t;
int utils_memp_init(utils_memp_pool_t **pool, uint16_t node_size, uint16_t pool_cap, uint8_t align_req);
int utils_memp_init_alloced(utils_memp_pool_t *pool, uint16_t node_size, uint16_t pool_cap, uint8_t align_req);
int utils_memp_deinit(utils_memp_pool_t *pool);
void *utils_memp_malloc(utils_memp_pool_t *pool);
int utils_memp_free(utils_memp_pool_t *pool, void *node);
#endif