wrappers_c.h
1.46 KB
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
//===-- wrappers_c.h --------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef SCUDO_WRAPPERS_C_H_
#define SCUDO_WRAPPERS_C_H_
#include "platform.h"
#include "stats.h"
// Bionic's struct mallinfo consists of size_t (mallinfo(3) uses int).
#if SCUDO_ANDROID
typedef size_t __scudo_mallinfo_data_t;
#else
typedef int __scudo_mallinfo_data_t;
#endif
struct __scudo_mallinfo {
__scudo_mallinfo_data_t arena;
__scudo_mallinfo_data_t ordblks;
__scudo_mallinfo_data_t smblks;
__scudo_mallinfo_data_t hblks;
__scudo_mallinfo_data_t hblkhd;
__scudo_mallinfo_data_t usmblks;
__scudo_mallinfo_data_t fsmblks;
__scudo_mallinfo_data_t uordblks;
__scudo_mallinfo_data_t fordblks;
__scudo_mallinfo_data_t keepcost;
};
// Android sometimes includes malloc.h no matter what, which yields to
// conflicting return types for mallinfo() if we use our own structure. So if
// struct mallinfo is declared (#define courtesy of malloc.h), use it directly.
#if STRUCT_MALLINFO_DECLARED
#define SCUDO_MALLINFO mallinfo
#else
#define SCUDO_MALLINFO __scudo_mallinfo
#endif
#ifndef M_DECAY_TIME
#define M_DECAY_TIME -100
#endif
#ifndef M_PURGE
#define M_PURGE -101
#endif
#endif // SCUDO_WRAPPERS_C_H_