#ifndef MM_HDR_H
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#define MM_HDR_H /* Prevent accidental double inclusion */
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#include "usg_common.h"
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#include "usg_typedef.h"
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#include <sys/sem.h>
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#include <sys/shm.h>
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#define MAX_HEAP (20*(1<<20)) /* 20 MB */
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/* Hard-coded keys for IPC objects */
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#define SHM_KEY 0x1234 /* Key for shared memory segment */
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#define OBJ_PERMS (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP)
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extern int mm_init(size_t offset, void **addr);
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extern void mm_deinit(void);
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extern void *mm_malloc (size_t size);
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extern void mm_free (void *ptr);
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extern void *mm_realloc(void *ptr, size_t size);
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extern int mm_checkheap(int verbose);
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extern void *get_mm_start_brk();
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extern size_t get_mm_max_size();
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#endif
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