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 	return v;
23 }
24 
25 void
26 p9free(void *v)
27 {
28 	if(v == nil)
29 		return;
30 	lock(&malloclock);
31 	free(v);
32 	unlock(&malloclock);
33 }
34 
35 void*
36 p9calloc(ulong a, ulong b)
37 {
38 	void *v;
39 	
40 	if(a*b == 0)
41 		a = b = 1;
42 
43 	lock(&malloclock);
44 	v = calloc(a*b, 1);
45 	unlock(&malloclock);
46 	return v;
47 }
48 
49 void*
50 p9realloc(void *v, ulong n)
51 {
52 	lock(&malloclock);
53 	v = realloc(v, n);
54 	unlock(&malloclock);
55 	return v;
56 }