X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fnet%2Flwip%2Fsrc%2Finclude%2Flwip%2Fmemp.h;fp=bertos%2Fnet%2Flwip%2Fsrc%2Finclude%2Flwip%2Fmemp.h;h=f0d07399434619577d9c40fe7a9a3b18f4921233;hb=4d3d475185ab73ce7f11d59568ffbc761923d428;hp=0000000000000000000000000000000000000000;hpb=961e7ada98d6520a74818efa4731210c1375b068;p=bertos.git diff --git a/bertos/net/lwip/src/include/lwip/memp.h b/bertos/net/lwip/src/include/lwip/memp.h new file mode 100644 index 00000000..f0d07399 --- /dev/null +++ b/bertos/net/lwip/src/include/lwip/memp.h @@ -0,0 +1,116 @@ +/* + * 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 + * + */ + +#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) +#endif /* MEM_USE_POOLS */ + +#if MEMP_MEM_MALLOC || MEM_USE_POOLS +extern const u16_t memp_sizes[MEMP_MAX]; +#endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */ + +#if MEMP_MEM_MALLOC + +#include "mem.h" + +#define memp_init() +#define memp_malloc(type) mem_malloc(memp_sizes[type]) +#define memp_free(type, mem) mem_free(mem) + +#else /* MEMP_MEM_MALLOC */ + +#if MEM_USE_POOLS +/** This structure is used to save the pool one element came from. */ +struct memp_malloc_helper +{ + memp_t poolnr; +}; +#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); + +#endif /* MEMP_MEM_MALLOC */ + +#ifdef __cplusplus +} +#endif + +#endif /* __LWIP_MEMP_H__ */