Mercurial > cgi-bin > hgwebdir.cgi > VMS > VMS_Implementations > VMS_impls > VMS__MC_shared_impl

annotate vmalloc.h @ 158:68449b64c3df

find changesets by author, revision, files, or words in the commit message
smaller Hists for malloc, free and plugin
author Merten Sach <msach@mailbox.tu-berlin.de>
date Thu, 06 Oct 2011 15:59:19 +0200
parents 99798e4438a6
children
rev   line source
Me@50 1 /*
Me@50 2 * Copyright 2009 OpenSourceCodeStewardshipFoundation.org
Me@50 3 * Licensed under GNU General Public License version 2
Me@50 4 *
Me@50 5 * Author: seanhalle@yahoo.com
Me@50 6 *
Me@50 7 * Created on November 14, 2009, 9:07 PM
Me@50 8 */
Me@65 9 #ifndef _VMALLOC_H
Me@65 10 #define _VMALLOC_H
Me@65 11
Me@50 12 #include <malloc.h>
msach@76 13 #include <inttypes.h>
Me@50 14 #include "VMS_primitive_data_types.h"
msach@132 15 #include "ProcrContext.h"
Me@50 16
msach@101 17 #define SMALL_CHUNK_SIZE 32
msach@101 18 #define SMALL_CHUNK_COUNT 4
msach@125 19 #define LOWER_BOUND 128 //Biggest chunk size that is created for the small chunks
msach@125 20 #define BIG_LOWER_BOUND 160 //Smallest chunk size that is created for the big chunks
msach@101 21
msach@118 22 #define LOG54 0.3219280948873623
msach@118 23 #define LOG128 7
msach@101 24
Me@50 25 typedef struct _MallocProlog MallocProlog;
Me@50 26
Me@50 27 struct _MallocProlog
Me@50 28 {
Me@50 29 MallocProlog *nextChunkInFreeList;
Me@50 30 MallocProlog *prevChunkInFreeList;
Me@50 31 MallocProlog *nextHigherInMem;
Me@50 32 MallocProlog *nextLowerInMem;
msach@132 33 };
Me@50 34 //MallocProlog
msach@147 35 typedef struct MallocArrays MallocArrays;
msach@147 36
msach@147 37 typedef struct
msach@147 38 {
msach@147 39 uintptr_t procrID;
msach@147 40 MallocProlog *prevChunkInFreeList;
msach@147 41 MallocProlog *nextHigherInMem;
msach@147 42 MallocProlog *nextLowerInMem;
msach@147 43 } MallocPrologAllocated;
msach@101 44
msach@139 45 struct MallocArrays
msach@101 46 {
msach@101 47 MallocProlog **smallChunks;
msach@101 48 MallocProlog **bigChunks;
msach@116 49 uint64 bigChunksSearchVector[2];
msach@102 50 void *memSpace;
msach@101 51 uint32 containerCount;
msach@101 52 };
msach@139 53 //MallocArray
msach@139 54
Me@50 55 typedef struct
Me@50 56 {
Me@50 57 MallocProlog *firstChunkInFreeList;
msach@76 58 int32 numInList; //TODO not used
msach@132 59 } FreeListHead;
Me@50 60
Me@50 61 void *
msach@132 62 VMS__malloc_on_core(size_t sizeRequested, int procrID);
Me@50 63
msach@78 64 void *
msach@132 65 VMS__malloc(size_t sizeRequested);
msach@132 66
msach@132 67 void *
msach@132 68 VMS__malloc_in_lib(size_t sizeRequested, VirtProcr *VProc);
msach@78 69
Me@50 70 void
Me@50 71 VMS__free( void *ptrToFree );
Me@50 72
msach@132 73 void
msach@132 74 VMS__free_in_lib(void *ptrToFree, VirtProcr *VProc);
msach@132 75
msach@132 76 void
msach@132 77 VMS__free_on_core(void *ptrToFree, int procrID);
msach@132 78
Me@53 79 /*Allocates memory from the external system -- higher overhead
Me@53 80 */
Me@53 81 void *
msach@76 82 VMS__malloc_in_ext( size_t sizeRequested );
Me@53 83
Me@53 84 /*Frees memory that was allocated in the external system -- higher overhead
Me@53 85 */
Me@53 86 void
Me@53 87 VMS__free_in_ext( void *ptrToFree );
Me@53 88
msach@101 89 MallocArrays *
Me@53 90 VMS_ext__create_free_list();
Me@50 91
Me@50 92 void
msach@102 93 VMS_ext__free_free_list(MallocArrays *freeLists );
Me@65 94
Me@65 95 #endif