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| (Empty) |
| 1 /* Alloc.c */ | |
| 2 | |
| 3 #ifdef _WIN32 | |
| 4 #include <windows.h> | |
| 5 #endif | |
| 6 #include <stdlib.h> | |
| 7 | |
| 8 #include "Alloc.h" | |
| 9 | |
| 10 /* #define _SZ_ALLOC_DEBUG */ | |
| 11 | |
| 12 /* use _SZ_ALLOC_DEBUG to debug alloc/free operations */ | |
| 13 #ifdef _SZ_ALLOC_DEBUG | |
| 14 #include <stdio.h> | |
| 15 int g_allocCount = 0; | |
| 16 int g_allocCountMid = 0; | |
| 17 int g_allocCountBig = 0; | |
| 18 #endif | |
| 19 | |
| 20 void *MyAlloc(size_t size) | |
| 21 { | |
| 22 if (size == 0) | |
| 23 return 0; | |
| 24 #ifdef _SZ_ALLOC_DEBUG | |
| 25 fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount++); | |
| 26 #endif | |
| 27 return malloc(size); | |
| 28 } | |
| 29 | |
| 30 void MyFree(void *address) | |
| 31 { | |
| 32 #ifdef _SZ_ALLOC_DEBUG | |
| 33 if (address != 0) | |
| 34 fprintf(stderr, "\nFree; count = %10d", --g_allocCount); | |
| 35 #endif | |
| 36 free(address); | |
| 37 } | |
| 38 | |
| 39 #ifdef _WIN32 | |
| 40 | |
| 41 void *MidAlloc(size_t size) | |
| 42 { | |
| 43 if (size == 0) | |
| 44 return 0; | |
| 45 #ifdef _SZ_ALLOC_DEBUG | |
| 46 fprintf(stderr, "\nAlloc_Mid %10d bytes; count = %10d", size, g_allocCountMid
++); | |
| 47 #endif | |
| 48 return VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); | |
| 49 } | |
| 50 | |
| 51 void MidFree(void *address) | |
| 52 { | |
| 53 #ifdef _SZ_ALLOC_DEBUG | |
| 54 if (address != 0) | |
| 55 fprintf(stderr, "\nFree_Mid; count = %10d", --g_allocCountMid); | |
| 56 #endif | |
| 57 if (address == 0) | |
| 58 return; | |
| 59 VirtualFree(address, 0, MEM_RELEASE); | |
| 60 } | |
| 61 | |
| 62 #ifndef MEM_LARGE_PAGES | |
| 63 #undef _7ZIP_LARGE_PAGES | |
| 64 #endif | |
| 65 | |
| 66 #ifdef _7ZIP_LARGE_PAGES | |
| 67 SIZE_T g_LargePageSize = 0; | |
| 68 typedef SIZE_T (WINAPI *GetLargePageMinimumP)(); | |
| 69 #endif | |
| 70 | |
| 71 void SetLargePageSize() | |
| 72 { | |
| 73 #ifdef _7ZIP_LARGE_PAGES | |
| 74 SIZE_T size = 0; | |
| 75 GetLargePageMinimumP largePageMinimum = (GetLargePageMinimumP) | |
| 76 GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetLargePageMinim
um"); | |
| 77 if (largePageMinimum == 0) | |
| 78 return; | |
| 79 size = largePageMinimum(); | |
| 80 if (size == 0 || (size & (size - 1)) != 0) | |
| 81 return; | |
| 82 g_LargePageSize = size; | |
| 83 #endif | |
| 84 } | |
| 85 | |
| 86 | |
| 87 void *BigAlloc(size_t size) | |
| 88 { | |
| 89 if (size == 0) | |
| 90 return 0; | |
| 91 #ifdef _SZ_ALLOC_DEBUG | |
| 92 fprintf(stderr, "\nAlloc_Big %10d bytes; count = %10d", size, g_allocCountBig
++); | |
| 93 #endif | |
| 94 | |
| 95 #ifdef _7ZIP_LARGE_PAGES | |
| 96 if (g_LargePageSize != 0 && g_LargePageSize <= (1 << 30) && size >= (1 << 18)) | |
| 97 { | |
| 98 void *res = VirtualAlloc(0, (size + g_LargePageSize - 1) & (~(g_LargePageSiz
e - 1)), | |
| 99 MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE); | |
| 100 if (res != 0) | |
| 101 return res; | |
| 102 } | |
| 103 #endif | |
| 104 return VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); | |
| 105 } | |
| 106 | |
| 107 void BigFree(void *address) | |
| 108 { | |
| 109 #ifdef _SZ_ALLOC_DEBUG | |
| 110 if (address != 0) | |
| 111 fprintf(stderr, "\nFree_Big; count = %10d", --g_allocCountBig); | |
| 112 #endif | |
| 113 | |
| 114 if (address == 0) | |
| 115 return; | |
| 116 VirtualFree(address, 0, MEM_RELEASE); | |
| 117 } | |
| 118 | |
| 119 #endif | |
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Chromium Code Reviews
Issue 6730044:
Upgrading lzma_sdk to version 9.20.
Base URL: svn://chrome-svn.corp.google.com/chrome/trunk/src/