Me@178: /*
Me@178:  *  Copyright 2009 OpenSourceCodeStewardshipFoundation.org
Me@178:  *  Licensed under GNU General Public License version 2
Me@178:  *
Me@178:  * Author: seanhalle@yahoo.com
Me@178:  *
Me@178:  * Created on November 14, 2009, 9:07 PM
Me@178:  */
Me@178: 
Me@178: #ifndef _VMALLOC_H
Me@178: #define	_VMALLOC_H
Me@178: 
Me@178: #include <malloc.h>
Me@178: #include <inttypes.h>
Me@178: #include "VMS_primitive_data_types.h"
Me@178: 
Me@178: typedef struct _MallocProlog MallocProlog;
Me@178: 
Me@178: struct _MallocProlog
Me@178:  {
Me@178:    MallocProlog *nextChunkInFreeList;
Me@178:    MallocProlog *prevChunkInFreeList;
Me@178:    MallocProlog *nextHigherInMem;
Me@178:    MallocProlog *nextLowerInMem;
Me@178:  };
Me@178: //MallocProlog
Me@178: 
Me@178: typedef struct
Me@178:  {
Me@178:    MallocProlog *firstChunkInFreeList;
Me@178:    int32         numInList; //TODO not used
Me@178:  }
Me@178: FreeListHead;
Me@178: 
Me@178: void *
Me@200: VMS_int__malloc( size_t sizeRequested );
Me@178: 
Me@178: void *
Me@200: VMS_int__malloc_aligned( size_t sizeRequested );
Me@178: 
Me@178: void
Me@200: VMS_int__free( void *ptrToFree );
Me@200: 
Me@200: #define VMS_PI__malloc VMS_int__malloc
Me@200: #define VMS_PI__malloc_aligned VMS_int__malloc_aligned
Me@200: #define VMS_PI__free VMS_int__free
Me@200: /* For now, the PI is protected by master lock, so int malloc fine
Me@200: void *
Me@200: VMS_PI__malloc( size_t sizeRequested );
Me@200: 
Me@200: void *
Me@200: VMS_PI__malloc_aligned( size_t sizeRequested );
Me@200: 
Me@200: void
Me@200: VMS_PI__free( void *ptrToFree );
Me@200: */
Me@200: 
Me@200: //TODO: protect WL malloc from concurrency!! shared freelist can be corrupted
Me@200: #define VMS_WL__malloc VMS_int__malloc
Me@200: #define VMS_WL__malloc_aligned VMS_int__malloc_aligned
Me@200: #define VMS_WL__free VMS_int__free
Me@200: /*
Me@200: void *
Me@200: VMS_WL__malloc( size_t sizeRequested );
Me@200: 
Me@200: void *
Me@200: VMS_WL__malloc_aligned( size_t sizeRequested );
Me@200: 
Me@200: void
Me@200: VMS_WL__free( void *ptrToFree );
Me@200: */
Me@178: 
Me@178: /*Allocates memory from the external system -- higher overhead
Me@178:  */
Me@178: void *
Me@178: VMS__malloc_in_ext( size_t sizeRequested );
Me@178: 
Me@178: /*Frees memory that was allocated in the external system -- higher overhead
Me@178:  */
Me@178: void
Me@178: VMS__free_in_ext( void *ptrToFree );
Me@178: 
Me@178: 
Me@178: MallocProlog *
Me@178: VMS_ext__create_free_list();
Me@178: 
Me@178: void
Me@178: VMS_ext__free_free_list( MallocProlog *freeListHead );
Me@178: 
Me@65: #endif