seanhalle@208: /*
seanhalle@208:  *  Copyright 2009 OpenSourceCodeStewardshipFoundation.org
seanhalle@208:  *  Licensed under GNU General Public License version 2
seanhalle@208:  *
seanhalle@208:  * Author: seanhalle@yahoo.com
seanhalle@208:  *
seanhalle@208:  * Created on November 14, 2009, 9:07 PM
seanhalle@208:  */
seanhalle@208: 
seanhalle@208: #ifndef _VMALLOC_H
seanhalle@208: #define	_VMALLOC_H
seanhalle@208: 
seanhalle@208: #include <malloc.h>
seanhalle@208: #include <inttypes.h>
seanhalle@208: #include "VMS_primitive_data_types.h"
seanhalle@208: 
seanhalle@208: typedef struct _MallocProlog MallocProlog;
seanhalle@208: 
seanhalle@208: struct _MallocProlog
seanhalle@208:  {
seanhalle@208:    MallocProlog *nextChunkInFreeList;
seanhalle@208:    MallocProlog *prevChunkInFreeList;
seanhalle@208:    MallocProlog *nextHigherInMem;
seanhalle@208:    MallocProlog *nextLowerInMem;
seanhalle@208:  };
seanhalle@208: //MallocProlog
seanhalle@208: 
seanhalle@208: typedef struct
seanhalle@208:  {
seanhalle@208:    MallocProlog *firstChunkInFreeList;
seanhalle@208:    int32         numInList; //TODO not used
seanhalle@208:  }
seanhalle@208: FreeListHead;
seanhalle@208: 
seanhalle@208: void *
seanhalle@208: VMS_int__malloc( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: void *
seanhalle@208: VMS_int__malloc_aligned( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: void
seanhalle@208: VMS_int__free( void *ptrToFree );
seanhalle@208: 
seanhalle@208: #define VMS_PI__malloc VMS_int__malloc
seanhalle@208: #define VMS_PI__malloc_aligned VMS_int__malloc_aligned
seanhalle@208: #define VMS_PI__free VMS_int__free
seanhalle@208: /* For now, the PI is protected by master lock, so int malloc fine
seanhalle@208: void *
seanhalle@208: VMS_PI__malloc( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: void *
seanhalle@208: VMS_PI__malloc_aligned( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: void
seanhalle@208: VMS_PI__free( void *ptrToFree );
seanhalle@208: */
seanhalle@208: 
seanhalle@208: //TODO: protect WL malloc from concurrency!! shared freelist can be corrupted
seanhalle@208: #define VMS_WL__malloc VMS_int__malloc
seanhalle@208: #define VMS_WL__malloc_aligned VMS_int__malloc_aligned
seanhalle@208: #define VMS_WL__free VMS_int__free
seanhalle@208: /*
seanhalle@208: void *
seanhalle@208: VMS_WL__malloc( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: void *
seanhalle@208: VMS_WL__malloc_aligned( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: void
seanhalle@208: VMS_WL__free( void *ptrToFree );
seanhalle@208: */
seanhalle@208: 
seanhalle@208: /*Allocates memory from the external system -- higher overhead
seanhalle@208:  */
seanhalle@208: void *
seanhalle@208: VMS__malloc_in_ext( size_t sizeRequested );
seanhalle@208: 
seanhalle@208: /*Frees memory that was allocated in the external system -- higher overhead
seanhalle@208:  */
seanhalle@208: void
seanhalle@208: VMS__free_in_ext( void *ptrToFree );
seanhalle@208: 
seanhalle@208: 
seanhalle@208: MallocProlog *
seanhalle@208: VMS_ext__create_free_list();
seanhalle@208: 
seanhalle@208: void
seanhalle@208: VMS_ext__free_free_list( MallocProlog *freeListHead );
seanhalle@208: 
seanhalle@208: #endif