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memp.h
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1 /*
2  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25  * OF SUCH DAMAGE.
26  *
27  * This file is part of the lwIP TCP/IP stack.
28  *
29  * Author: Adam Dunkels <adam@sics.se>
30  *
31  */
32 
33 #ifndef __LWIP_MEMP_H__
34 #define __LWIP_MEMP_H__
35 
36 #include "lwip/opt.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 /* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
43 typedef enum {
44 #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name,
45 #include "lwip/memp_std.h"
47 } memp_t;
48 
49 #if MEM_USE_POOLS
50 /* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
51 typedef enum {
52  /* Get the first (via:
53  MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
54  MEMP_POOL_HELPER_FIRST = ((u8_t)
56 #define LWIP_MALLOC_MEMPOOL_START 1
57 #define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
58 #define LWIP_MALLOC_MEMPOOL_END
59 #include "lwip/memp_std.h"
60  ) ,
61  /* Get the last (via:
62  MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
63  MEMP_POOL_HELPER_LAST = ((u8_t)
64 #define LWIP_MEMPOOL(name,num,size,desc)
65 #define LWIP_MALLOC_MEMPOOL_START
66 #define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
67 #define LWIP_MALLOC_MEMPOOL_END 1
68 #include "lwip/memp_std.h"
69  )
70 } memp_pool_helper_t;
71 
72 /* The actual start and stop values are here (cast them over)
73  We use this helper type and these defines so we can avoid using const memp_t values */
74 #define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
75 #define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
76 #endif /* MEM_USE_POOLS */
77 
78 #if MEMP_MEM_MALLOC || MEM_USE_POOLS
79 extern const u16_t memp_sizes[MEMP_MAX];
80 #endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */
81 
82 #if MEMP_MEM_MALLOC
83 
84 #include "mem.h"
85 
86 #define memp_init()
87 #define memp_malloc(type) mem_malloc(memp_sizes[type])
88 #define memp_free(type, mem) mem_free(mem)
89 
90 #else /* MEMP_MEM_MALLOC */
91 
92 #if MEM_USE_POOLS
93 
94 struct memp_malloc_helper
95 {
96  memp_t poolnr;
97 };
98 #endif /* MEM_USE_POOLS */
99 
100 void memp_init(void);
101 
102 #if MEMP_OVERFLOW_CHECK
103 void *memp_malloc_fn(memp_t type, const char* file, const int line);
104 #define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
105 #else
106 void *memp_malloc(memp_t type);
107 #endif
108 void memp_free(memp_t type, void *mem);
109 
110 #endif /* MEMP_MEM_MALLOC */
111 
112 #ifdef __cplusplus
113 }
114 #endif
115 
116 #endif /* __LWIP_MEMP_H__ */
static const u16_t memp_sizes[MEMP_MAX]
Definition: memp.c:129
Definition: memp.h:46
memp_t
Definition: memp.h:43
void * memp_malloc(memp_t type)
Definition: memp.c:390
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
static const WCHAR desc[]
Definition: protectdata.c:36
Definition: parser.c:48
void memp_free(memp_t type, void *mem)
Definition: memp.c:435
GLsizeiptr size
Definition: glext.h:5919
GLuint GLuint num
Definition: glext.h:9618
void memp_init(void)
Definition: memp.c:338
#define LWIP_MEMPOOL(name, num, size, desc)
Definition: memp.h:44
unsigned char u8_t
Definition: cc.h:23
Definition: mem.c:156
Definition: name.c:38
unsigned short u16_t
Definition: cc.h:24
Definition: fci.c:126