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
|
/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
extern inline void *libsimple_pvallocz(int, size_t);
#else
#include "test.h"
int
main(void)
{
struct allocinfo *volatile info;
void *ptr;
DEFINE_PAGESIZE;
DEFINE_CACHELINE;
assert((ptr = libsimple_pvallocz(0, 9)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(!info->zeroed);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
assert((ptr = libsimple_pvallocz(1, 7)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(info->zeroed == pagesize);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
assert((ptr = libsimple_pvallocz(1, pagesize - 1)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(info->zeroed == pagesize);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
assert((ptr = libsimple_pvallocz(1, pagesize)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(info->zeroed == pagesize);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
assert((ptr = libsimple_pvallocz(1, pagesize + 1)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 2 * pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(info->zeroed == 2 * pagesize);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
assert((ptr = libsimple_pvallocz(1, 3 * pagesize - 1)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 3 * pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(info->zeroed == 3 * pagesize);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
assert((ptr = libsimple_pvallocz(0, 4 * pagesize - 1)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(ptr)));
assert(info->size == 4 * pagesize);
ASSERT_ALIGNMENT(info, pagesize);
assert(!info->zeroed);
assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
}
free(ptr);
ptr = NULL;
if (have_custom_malloc()) {
alloc_fail_in = 1;
assert(!libsimple_pvallocz(0, 8) && errno == ENOMEM);
assert(!alloc_fail_in);
alloc_fail_in = 1;
assert(!libsimple_pvallocz(1, 16) && errno == ENOMEM);
assert(!alloc_fail_in);
}
return 0;
}
#endif
|
