1 /*
2  * These are here mainly so that I can link against
3  * debugmalloc.c instead and not recompile the world.
4  */
5 
6 #include <u.h>
7 #define NOPLAN9DEFINES
8 #include <libc.h>
9 
10 static Lock malloclock;
11 
12 void*
13 p9malloc(ulong n)
14 {
15 	void *v;
16 	
17 	if(n == 0)
18 		n++;
19 	lock(&malloclock);
20 	v = malloc(n);
21 	unlock(&malloclock);
22 	print("p9malloc %lud => %p; pc %lux\n", n, v, getcallerpc(&n));
23 	return v;
24 }
25 
26 void
27 p9free(void *v)
28 {
29 	if(v == nil)
30 		return;
31 	lock(&malloclock);
32 	print("p9free %p; pc %lux\n", v, getcallerpc(&v));
33 	free(v);
34 	unlock(&malloclock);
35 }
36 
37 void*
38 p9calloc(ulong a, ulong b)
39 {
40 	void *v;
41 	
42 	if(a*b == 0)
43 		a = b = 1;
44 
45 	lock(&malloclock);
46 	v = calloc(a*b, 1);
47 	unlock(&malloclock);
48 	print("p9calloc %lud %lud => %p; pc %lux\n", a, b, v, getcallerpc(&a));
49 	return v;
50 }
51 
52 void*
53 p9realloc(void *v, ulong n)
54 {
55 	void *vv;
56 	
57 	lock(&malloclock);
58 	vv = realloc(v, n);
59 	unlock(&malloclock);
60 	print("p9realloc %p %lud => %p; pc %lux\n", v, n, vv, getcallerpc(&v));
61 	return vv;
62 }
63