#define MMALLOC_MAGIC "mmalloc" /* Mapped file magic number */
#define MMALLOC_MAGIC_SIZE 8 /* Size of magic number buf */
#define MMALLOC_VERSION 1 /* Current mmalloc version */
-#define MMALLOC_KEYS 16 /* Keys for application use */
/* The allocator divides the heap into blocks of fixed size; large
requests receive one or more whole blocks, and small requests
needs to be maintained on a per-process basis. */
void *(*morecore) (struct mdesc * mdp, int size);
- /* Pointer to the function that causes an abort when the memory checking
- features are activated. By default this is set to abort(), but can
- be set to another function by the application using mmalloc().
-
- FIXME: For mapped regions shared by more than one process, this
- needs to be maintained on a per-process basis. */
- void (*abortfunc) (void);
-
- /* Debugging hook for free.
-
- FIXME: For mapped regions shared by more than one process, this
- needs to be maintained on a per-process basis. */
- void (*mfree_hook) (void *mdp, void *ptr);
-
- /* Debugging hook for `malloc'.
-
- FIXME: For mapped regions shared by more than one process, this
- needs to be maintained on a per-process basis. */
- void *(*mmalloc_hook) (void *mdp, size_t size);
-
- /* Debugging hook for realloc.
-
- FIXME: For mapped regions shared by more than one process, this
- needs to be maintained on a per-process basis. */
- void *(*mrealloc_hook) (void *mdp, void *ptr, size_t size);
-
/* Number of info entries. */
size_t heapsize;
int fd;
- /* An array of keys to data within the mapped region, for use by the
- application. */
-
- void *keys[MMALLOC_KEYS];
-
};
int mmalloc_compare_heap(void *h1, void *h2, void *std_heap_addr);
