1 /*

2 * Copyright 2009 OpenSourceCodeStewardshipFoundation.org

3 * Licensed under GNU General Public License version 2

4 *

5 * Author: seanhalle@yahoo.com

6 *

7 * Created on November 14, 2009, 9:07 PM

8 */

9

10 #ifndef _VMALLOC_H

11 #define _VMALLOC_H

12

13 #include <malloc.h>

14 #include "VMS_primitive_data_types.h"

15

16 typedef struct _MallocProlog MallocProlog;

17

18 struct _MallocProlog

19 {

20 MallocProlog *nextChunkInFreeList;

21 MallocProlog *prevChunkInFreeList;

22 MallocProlog *nextHigherInMem;

23 MallocProlog *nextLowerInMem;

24 };

25 //MallocProlog

26

27 typedef struct

28 {

29 MallocProlog *firstChunkInFreeList;

30 int32 numInList;

31 }

32 FreeListHead;

33

34 void *

35 VMS__malloc( int32 sizeRequested );

36

37 void

38 VMS__free( void *ptrToFree );

39

40 /*Allocates memory from the external system -- higher overhead

41 */

42 void *

43 VMS__malloc_in_ext( int32 sizeRequested );

44

45 /*Frees memory that was allocated in the external system -- higher overhead

46 */

47 void

48 VMS__free_in_ext( void *ptrToFree );

49

50

51 MallocProlog *

52 VMS_ext__create_free_list();

53

54 void

55 VMS_ext__free_free_list( MallocProlog *freeListHead );

56

57 #endif