/* | |
* Copyright (c) 2001-2004 Swedish Institute of Computer Science. | |
* All rights reserved. | |
* | |
* 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. The name of the author may not be used to endorse or promote products | |
* derived from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. | |
* | |
* This file is part of the lwIP TCP/IP stack. | |
* | |
* Author: Adam Dunkels <adam@sics.se> | |
* | |
*/ | |
#ifndef __LWIP_MEMP_H__ | |
#define __LWIP_MEMP_H__ | |
#include "lwip/opt.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */ | |
typedef enum { | |
#define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name, | |
#include "lwip/memp_std.h" | |
MEMP_MAX | |
} memp_t; | |
#if MEM_USE_POOLS | |
/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */ | |
typedef enum { | |
/* Get the first (via: | |
MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/ | |
MEMP_POOL_HELPER_FIRST = ((u8_t) | |
#define LWIP_MEMPOOL(name,num,size,desc) | |
#define LWIP_MALLOC_MEMPOOL_START 1 | |
#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0 | |
#define LWIP_MALLOC_MEMPOOL_END | |
#include "lwip/memp_std.h" | |
) , | |
/* Get the last (via: | |
MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */ | |
MEMP_POOL_HELPER_LAST = ((u8_t) | |
#define LWIP_MEMPOOL(name,num,size,desc) | |
#define LWIP_MALLOC_MEMPOOL_START | |
#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size * | |
#define LWIP_MALLOC_MEMPOOL_END 1 | |
#include "lwip/memp_std.h" | |
) | |
} memp_pool_helper_t; | |
/* The actual start and stop values are here (cast them over) | |
We use this helper type and these defines so we can avoid using const memp_t values */ | |
#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST) | |
#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST) | |
extern const u16_t memp_sizes[MEMP_MAX]; | |
#endif /* MEM_USE_POOLS */ | |
void memp_init(void); | |
#if MEMP_OVERFLOW_CHECK | |
void *memp_malloc_fn(memp_t type, const char* file, const int line); | |
#define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__) | |
#else | |
void *memp_malloc(memp_t type); | |
#endif | |
void memp_free(memp_t type, void *mem); | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* __LWIP_MEMP_H__ */ |