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
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBC_INCLUDE_MALLOC_H_
#define LIBC_INCLUDE_MALLOC_H_
#include <sys/cdefs.h>
#include <stddef.h>
#include <stdio.h>
__BEGIN_DECLS
// Remove the workaround once b/37423073 is fixed.
#if defined(__clang__) && !__has_attribute(alloc_size)
#define __BIONIC_ALLOC_SIZE(...)
#else
#define __BIONIC_ALLOC_SIZE(...) __attribute__((__alloc_size__(__VA_ARGS__)))
#endif
void* malloc(size_t __byte_count) __mallocfunc __BIONIC_ALLOC_SIZE(1) __wur;
void* calloc(size_t __item_count, size_t __item_size) __mallocfunc __BIONIC_ALLOC_SIZE(1,2) __wur;
void* realloc(void* __ptr, size_t __byte_count) __BIONIC_ALLOC_SIZE(2) __wur;
void free(void* __ptr);
void* memalign(size_t __alignment, size_t __byte_count) __mallocfunc __BIONIC_ALLOC_SIZE(2) __wur;
size_t malloc_usable_size(const void* __ptr) __INTRODUCED_IN(17);
#ifndef STRUCT_MALLINFO_DECLARED
#define STRUCT_MALLINFO_DECLARED 1
struct mallinfo {
size_t arena; /* Total number of non-mmapped bytes currently allocated from OS. */
size_t ordblks; /* Number of free chunks. */
size_t smblks; /* (Unused.) */
size_t hblks; /* (Unused.) */
size_t hblkhd; /* Total number of bytes in mmapped regions. */
size_t usmblks; /* Maximum total allocated space; greater than total if trimming has occurred. */
size_t fsmblks; /* (Unused.) */
size_t uordblks; /* Total allocated space (normal or mmapped.) */
size_t fordblks; /* Total free space. */
size_t keepcost; /* Upper bound on number of bytes releasable by malloc_trim. */
};
#endif /* STRUCT_MALLINFO_DECLARED */
struct mallinfo mallinfo(void);
/*
* XML structure for malloc_info(3) is in the following format:
*
* <malloc version="jemalloc-1">
* <heap nr="INT">
* <allocated-large>INT</allocated-large>
* <allocated-huge>INT</allocated-huge>
* <allocated-bins>INT</allocated-bins>
* <bins-total>INT</bins-total>
* <bin nr="INT">
* <allocated>INT</allocated>
* <nmalloc>INT</nmalloc>
* <ndalloc>INT</ndalloc>
* </bin>
* <!-- more bins -->
* </heap>
* <!-- more heaps -->
* </malloc>
*/
int malloc_info(int __must_be_zero, FILE* __fp) __INTRODUCED_IN(23);
/* mallopt options */
#define M_DECAY_TIME -100
#define M_PURGE -101
int mallopt(int __option, int __value) __INTRODUCED_IN(26);
/*
* Memory Allocation Hooks
*/
extern void* (*volatile __malloc_hook)(size_t, const void*) __INTRODUCED_IN(28);
extern void* (*volatile __realloc_hook)(void*, size_t, const void*) __INTRODUCED_IN(28);
extern void (*volatile __free_hook)(void*, const void*) __INTRODUCED_IN(28);
extern void* (*volatile __memalign_hook)(size_t, size_t, const void*) __INTRODUCED_IN(28);
__END_DECLS
#endif /* LIBC_INCLUDE_MALLOC_H_ */
|
