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
|
#include <malloc.h>
#include <libc-lock.h>
__libc_lock_define (extern, __libc_malloc_lock);
extern void __libc_free (void *);
extern void * __libc_malloc (size_t);
extern void * __libc_calloc (size_t, size_t);
extern void * __libc_valloc (size_t);
extern void * __libc_memalign (size_t, size_t);
extern void * __libc_realloc (void *, size_t);
void
free (void *ptr)
{
if (ptr == NULL) return;
__libc_lock_lock(__libc_malloc_lock);
__libc_free (ptr);
__libc_lock_unlock(__libc_malloc_lock);
}
void *
malloc (size_t size)
{
void * ret;
__libc_lock_lock(__libc_malloc_lock);
ret = __libc_malloc (size);
__libc_lock_unlock(__libc_malloc_lock);
return ret;
}
void *
valloc (size_t size)
{
void * ret;
__libc_lock_lock(__libc_malloc_lock);
ret = __libc_valloc (size);
__libc_lock_unlock(__libc_malloc_lock);
return ret;
}
void *
calloc (size_t nmemb, size_t size)
{
void * ret;
__libc_lock_lock(__libc_malloc_lock);
ret = __libc_calloc (nmemb, size);
__libc_lock_unlock(__libc_malloc_lock);
return ret;
}
void *
memalign (size_t alignment, size_t size)
{
void * ret;
__libc_lock_lock(__libc_malloc_lock);
ret = __libc_memalign (alignment, size);
__libc_lock_unlock(__libc_malloc_lock);
return ret;
}
void *
realloc (void *ptr, size_t size)
{
void * ret;
__libc_lock_lock(__libc_malloc_lock);
ret = __libc_realloc (ptr, size);
__libc_lock_unlock(__libc_malloc_lock);
return ret;
}
|
