#ifndef MM_HDR_H
#define MM_HDR_H      /* Prevent accidental double inclusion */

#include "usg_common.h"

#include "usg_typedef.h"
#include <sys/sem.h>
#include <sys/shm.h>
#define MAX_HEAP (20*(1<<20))  /* 20 MB */
/* Hard-coded keys for IPC objects */

#define SHM_KEY 0x1234          /* Key for shared memory segment */

#define OBJ_PERMS (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP)

extern int mm_init(size_t offset, void **addr);
extern void mm_deinit(void);
extern void *mm_malloc (size_t size);
extern void mm_free (void *ptr);
extern void *mm_realloc(void *ptr, size_t size);

extern int mm_checkheap(int verbose);

extern void *get_mm_start_brk();
extern size_t get_mm_max_size();
#endif