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#ifndef _ALLOC_C_
#define _ALLOC_C_
/* emulated memory allocation functions */
void *malloc(size_t size);
void free(void *ptr);
enum errorcode { ERR_NONE=0, ERR_NO_MEM };
enum errorcode _stp_errorcode = ERR_NONE;
void *__kmalloc(size_t size, gfp_t flags)
{
return malloc(size);
}
void *_stp_alloc_percpu(size_t size)
{
int i;
struct percpu_data *pdata = malloc(sizeof (*pdata));
if (!pdata)
return NULL;
for_each_cpu(i) {
pdata->ptrs[i] = malloc(size);
if (!pdata->ptrs[i])
goto unwind_oom;
memset(pdata->ptrs[i], 0, size);
}
/* Catch derefs w/o wrappers */
return (void *) (~(unsigned long) pdata);
unwind_oom:
while (--i >= 0) {
free(pdata->ptrs[i]);
}
free(pdata);
return NULL;
}
void _stp_free_percpu(const void *objp)
{
int i;
struct percpu_data *p = (struct percpu_data *) (~(unsigned long) objp);
for_each_cpu(i)
free(p->ptrs[i]);
free(p);
}
#endif /* _ALLOC_C_ */
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