1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _MEM_POOL_H_
#define _MEM_POOL_H_
#include "list.h"
#include "locking.h"
#include "logging.h"
#include "mem-types.h"
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <stdarg.h>
/*
* Need this for unit tests since inline functions
* access memory allocation and need to use the
* unit test versions
*/
#ifdef UNIT_TESTING
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#endif
#define GF_MEM_HEADER_SIZE (4 + sizeof (size_t) + sizeof (xlator_t *) + 4 + 8)
#define GF_MEM_TRAILER_SIZE 8
#define GF_MEM_HEADER_MAGIC 0xCAFEBABE
#define GF_MEM_TRAILER_MAGIC 0xBAADF00D
struct mem_acct {
uint32_t num_types;
struct mem_acct_rec *rec;
};
struct mem_acct_rec {
const char *typestr;
size_t size;
size_t max_size;
uint32_t num_allocs;
uint32_t total_allocs;
uint32_t max_num_allocs;
gf_lock_t lock;
};
void *
__gf_calloc (size_t cnt, size_t size, uint32_t type, const char *typestr);
void *
__gf_malloc (size_t size, uint32_t type, const char *typestr);
void *
__gf_realloc (void *ptr, size_t size);
int
gf_vasprintf (char **string_ptr, const char *format, va_list arg);
int
gf_asprintf (char **string_ptr, const char *format, ...);
void
__gf_free (void *ptr);
static inline
void* __gf_default_malloc (size_t size)
{
void *ptr = NULL;
ptr = malloc (size);
if (!ptr)
gf_msg_nomem ("", GF_LOG_ALERT, size);
return ptr;
}
static inline
void* __gf_default_calloc (int cnt, size_t size)
{
void *ptr = NULL;
ptr = calloc (cnt, size);
if (!ptr)
gf_msg_nomem ("", GF_LOG_ALERT, (cnt * size));
return ptr;
}
static inline
void* __gf_default_realloc (void *oldptr, size_t size)
{
void *ptr = NULL;
ptr = realloc (oldptr, size);
if (!ptr)
gf_msg_nomem ("", GF_LOG_ALERT, size);
return ptr;
}
#define MALLOC(size) __gf_default_malloc(size)
#define CALLOC(cnt,size) __gf_default_calloc(cnt,size)
#define REALLOC(ptr,size) __gf_default_realloc(ptr,size)
#define FREE(ptr) \
if (ptr != NULL) { \
free ((void *)ptr); \
ptr = (void *)0xeeeeeeee; \
}
#define GF_CALLOC(nmemb, size, type) __gf_calloc (nmemb, size, type, #type)
#define GF_MALLOC(size, type) __gf_malloc (size, type, #type)
#define GF_REALLOC(ptr, size) __gf_realloc (ptr, size)
#define GF_FREE(free_ptr) __gf_free (free_ptr)
static inline
char *gf_strndup (const char *src, size_t len)
{
char *dup_str = NULL;
if (!src) {
goto out;
}
dup_str = GF_CALLOC (1, len + 1, gf_common_mt_strdup);
if (!dup_str) {
goto out;
}
memcpy (dup_str, src, len);
out:
return dup_str;
}
static inline
char * gf_strdup (const char *src)
{
char *dup_str = NULL;
size_t len = 0;
len = strlen (src) + 1;
dup_str = GF_CALLOC(1, len, gf_common_mt_strdup);
if (!dup_str)
return NULL;
memcpy (dup_str, src, len);
return dup_str;
}
static inline void *
gf_memdup (const void *src, size_t size)
{
void *dup_mem = NULL;
dup_mem = GF_CALLOC(1, size, gf_common_mt_strdup);
if (!dup_mem)
goto out;
memcpy (dup_mem, src, size);
out:
return dup_mem;
}
struct mem_pool {
struct list_head list;
int hot_count;
int cold_count;
gf_lock_t lock;
unsigned long padded_sizeof_type;
void *pool;
void *pool_end;
int real_sizeof_type;
uint64_t alloc_count;
uint64_t pool_misses;
int max_alloc;
int curr_stdalloc;
int max_stdalloc;
char *name;
struct list_head global_list;
};
struct mem_pool *
mem_pool_new_fn (unsigned long sizeof_type, unsigned long count, char *name);
#define mem_pool_new(type,count) mem_pool_new_fn (sizeof(type), count, #type)
void mem_put (void *ptr);
void *mem_get (struct mem_pool *pool);
void *mem_get0 (struct mem_pool *pool);
void mem_pool_destroy (struct mem_pool *pool);
void gf_mem_acct_enable_set (void *ctx);
#endif /* _MEM_POOL_H */
|
