Ivan Shindev / lwip

V1

Dependents:   EthernetInterface

Fork of lwip by mbed official

include/lwip/memp.h@11:c9233fe7de67, 2013-06-13 (annotated)

Committer:
lemniskata
Date:
Thu Jun 13 20:00:31 2013 +0000
Revision:
11:c9233fe7de67
Parent:
0:51ac1d130fd4 
V1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*
mbed_official 0:51ac1d130fd4 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mbed_official 0:51ac1d130fd4 3 * All rights reserved.
mbed_official 0:51ac1d130fd4 4 *
mbed_official 0:51ac1d130fd4 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 6 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 7 *
mbed_official 0:51ac1d130fd4 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 9 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 12 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 13 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 14 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 15 *
mbed_official 0:51ac1d130fd4 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 25 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 26 *
mbed_official 0:51ac1d130fd4 27 * This file is part of the lwIP TCP/IP stack.
mbed_official 0:51ac1d130fd4 28 *
mbed_official 0:51ac1d130fd4 29 * Author: Adam Dunkels <adam@sics.se>
mbed_official 0:51ac1d130fd4 30 *
mbed_official 0:51ac1d130fd4 31 */
mbed_official 0:51ac1d130fd4 32
mbed_official 0:51ac1d130fd4 33 #ifndef __LWIP_MEMP_H__
mbed_official 0:51ac1d130fd4 34 #define __LWIP_MEMP_H__
mbed_official 0:51ac1d130fd4 35
mbed_official 0:51ac1d130fd4 36 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 37
mbed_official 0:51ac1d130fd4 38 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 39 extern "C" {
mbed_official 0:51ac1d130fd4 40 #endif
mbed_official 0:51ac1d130fd4 41
mbed_official 0:51ac1d130fd4 42 /* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
mbed_official 0:51ac1d130fd4 43 typedef enum {
mbed_official 0:51ac1d130fd4 44 #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name,
mbed_official 0:51ac1d130fd4 45 #include "lwip/memp_std.h"
mbed_official 0:51ac1d130fd4 46 MEMP_MAX
mbed_official 0:51ac1d130fd4 47 } memp_t;
mbed_official 0:51ac1d130fd4 48
mbed_official 0:51ac1d130fd4 49 #if MEM_USE_POOLS
mbed_official 0:51ac1d130fd4 50 /* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
mbed_official 0:51ac1d130fd4 51 typedef enum {
mbed_official 0:51ac1d130fd4 52 /* Get the first (via:
mbed_official 0:51ac1d130fd4 53 MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
mbed_official 0:51ac1d130fd4 54 MEMP_POOL_HELPER_FIRST = ((u8_t)
mbed_official 0:51ac1d130fd4 55 #define LWIP_MEMPOOL(name,num,size,desc)
mbed_official 0:51ac1d130fd4 56 #define LWIP_MALLOC_MEMPOOL_START 1
mbed_official 0:51ac1d130fd4 57 #define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
mbed_official 0:51ac1d130fd4 58 #define LWIP_MALLOC_MEMPOOL_END
mbed_official 0:51ac1d130fd4 59 #include "lwip/memp_std.h"
mbed_official 0:51ac1d130fd4 60 ) ,
mbed_official 0:51ac1d130fd4 61 /* Get the last (via:
mbed_official 0:51ac1d130fd4 62 MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
mbed_official 0:51ac1d130fd4 63 MEMP_POOL_HELPER_LAST = ((u8_t)
mbed_official 0:51ac1d130fd4 64 #define LWIP_MEMPOOL(name,num,size,desc)
mbed_official 0:51ac1d130fd4 65 #define LWIP_MALLOC_MEMPOOL_START
mbed_official 0:51ac1d130fd4 66 #define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
mbed_official 0:51ac1d130fd4 67 #define LWIP_MALLOC_MEMPOOL_END 1
mbed_official 0:51ac1d130fd4 68 #include "lwip/memp_std.h"
mbed_official 0:51ac1d130fd4 69 )
mbed_official 0:51ac1d130fd4 70 } memp_pool_helper_t;
mbed_official 0:51ac1d130fd4 71
mbed_official 0:51ac1d130fd4 72 /* The actual start and stop values are here (cast them over)
mbed_official 0:51ac1d130fd4 73 We use this helper type and these defines so we can avoid using const memp_t values */
mbed_official 0:51ac1d130fd4 74 #define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
mbed_official 0:51ac1d130fd4 75 #define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
mbed_official 0:51ac1d130fd4 76 #endif /* MEM_USE_POOLS */
mbed_official 0:51ac1d130fd4 77
mbed_official 0:51ac1d130fd4 78 #if MEMP_MEM_MALLOC || MEM_USE_POOLS
mbed_official 0:51ac1d130fd4 79 extern const u16_t memp_sizes[MEMP_MAX];
mbed_official 0:51ac1d130fd4 80 #endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */
mbed_official 0:51ac1d130fd4 81
mbed_official 0:51ac1d130fd4 82 #if MEMP_MEM_MALLOC
mbed_official 0:51ac1d130fd4 83
mbed_official 0:51ac1d130fd4 84 #include "mem.h"
mbed_official 0:51ac1d130fd4 85
mbed_official 0:51ac1d130fd4 86 #define memp_init()
mbed_official 0:51ac1d130fd4 87 #define memp_malloc(type) mem_malloc(memp_sizes[type])
mbed_official 0:51ac1d130fd4 88 #define memp_free(type, mem) mem_free(mem)
mbed_official 0:51ac1d130fd4 89
mbed_official 0:51ac1d130fd4 90 #else /* MEMP_MEM_MALLOC */
mbed_official 0:51ac1d130fd4 91
mbed_official 0:51ac1d130fd4 92 #if MEM_USE_POOLS
mbed_official 0:51ac1d130fd4 93 /** This structure is used to save the pool one element came from. */
mbed_official 0:51ac1d130fd4 94 struct memp_malloc_helper
mbed_official 0:51ac1d130fd4 95 {
mbed_official 0:51ac1d130fd4 96 memp_t poolnr;
mbed_official 0:51ac1d130fd4 97 };
mbed_official 0:51ac1d130fd4 98 #endif /* MEM_USE_POOLS */
mbed_official 0:51ac1d130fd4 99
mbed_official 0:51ac1d130fd4 100 void memp_init(void);
mbed_official 0:51ac1d130fd4 101
mbed_official 0:51ac1d130fd4 102 #if MEMP_OVERFLOW_CHECK
mbed_official 0:51ac1d130fd4 103 void *memp_malloc_fn(memp_t type, const char* file, const int line);
mbed_official 0:51ac1d130fd4 104 #define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
mbed_official 0:51ac1d130fd4 105 #else
mbed_official 0:51ac1d130fd4 106 void *memp_malloc(memp_t type);
mbed_official 0:51ac1d130fd4 107 #endif
mbed_official 0:51ac1d130fd4 108 void memp_free(memp_t type, void *mem);
mbed_official 0:51ac1d130fd4 109
mbed_official 0:51ac1d130fd4 110 #endif /* MEMP_MEM_MALLOC */
mbed_official 0:51ac1d130fd4 111
mbed_official 0:51ac1d130fd4 112 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 113 }
mbed_official 0:51ac1d130fd4 114 #endif
mbed_official 0:51ac1d130fd4 115
mbed_official 0:51ac1d130fd4 116 #endif /* __LWIP_MEMP_H__ */