Index: third_party/lzma_sdk/Alloc.c |
=================================================================== |
--- third_party/lzma_sdk/Alloc.c (revision 0) |
+++ third_party/lzma_sdk/Alloc.c (revision 0) |
@@ -0,0 +1,127 @@ |
+/* Alloc.c -- Memory allocation functions |
+2008-09-24 |
+Igor Pavlov |
+Public domain */ |
+ |
+#ifdef _WIN32 |
+#include <windows.h> |
+#endif |
+#include <stdlib.h> |
+ |
+#include "Alloc.h" |
+ |
+/* #define _SZ_ALLOC_DEBUG */ |
+ |
+/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */ |
+#ifdef _SZ_ALLOC_DEBUG |
+#include <stdio.h> |
+int g_allocCount = 0; |
+int g_allocCountMid = 0; |
+int g_allocCountBig = 0; |
+#endif |
+ |
+void *MyAlloc(size_t size) |
+{ |
+ if (size == 0) |
+ return 0; |
+ #ifdef _SZ_ALLOC_DEBUG |
+ { |
+ void *p = malloc(size); |
+ fprintf(stderr, "\nAlloc %10d bytes, count = %10d, addr = %8X", size, g_allocCount++, (unsigned)p); |
+ return p; |
+ } |
+ #else |
+ return malloc(size); |
+ #endif |
+} |
+ |
+void MyFree(void *address) |
+{ |
+ #ifdef _SZ_ALLOC_DEBUG |
+ if (address != 0) |
+ fprintf(stderr, "\nFree; count = %10d, addr = %8X", --g_allocCount, (unsigned)address); |
+ #endif |
+ free(address); |
+} |
+ |
+#ifdef _WIN32 |
+ |
+void *MidAlloc(size_t size) |
+{ |
+ if (size == 0) |
+ return 0; |
+ #ifdef _SZ_ALLOC_DEBUG |
+ fprintf(stderr, "\nAlloc_Mid %10d bytes; count = %10d", size, g_allocCountMid++); |
+ #endif |
+ return VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); |
+} |
+ |
+void MidFree(void *address) |
+{ |
+ #ifdef _SZ_ALLOC_DEBUG |
+ if (address != 0) |
+ fprintf(stderr, "\nFree_Mid; count = %10d", --g_allocCountMid); |
+ #endif |
+ if (address == 0) |
+ return; |
+ VirtualFree(address, 0, MEM_RELEASE); |
+} |
+ |
+#ifndef MEM_LARGE_PAGES |
+#undef _7ZIP_LARGE_PAGES |
+#endif |
+ |
+#ifdef _7ZIP_LARGE_PAGES |
+SIZE_T g_LargePageSize = 0; |
+typedef SIZE_T (WINAPI *GetLargePageMinimumP)(); |
+#endif |
+ |
+void SetLargePageSize() |
+{ |
+ #ifdef _7ZIP_LARGE_PAGES |
+ SIZE_T size = 0; |
+ GetLargePageMinimumP largePageMinimum = (GetLargePageMinimumP) |
+ GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetLargePageMinimum"); |
+ if (largePageMinimum == 0) |
+ return; |
+ size = largePageMinimum(); |
+ if (size == 0 || (size & (size - 1)) != 0) |
+ return; |
+ g_LargePageSize = size; |
+ #endif |
+} |
+ |
+ |
+void *BigAlloc(size_t size) |
+{ |
+ if (size == 0) |
+ return 0; |
+ #ifdef _SZ_ALLOC_DEBUG |
+ fprintf(stderr, "\nAlloc_Big %10d bytes; count = %10d", size, g_allocCountBig++); |
+ #endif |
+ |
+ #ifdef _7ZIP_LARGE_PAGES |
+ if (g_LargePageSize != 0 && g_LargePageSize <= (1 << 30) && size >= (1 << 18)) |
+ { |
+ void *res = VirtualAlloc(0, (size + g_LargePageSize - 1) & (~(g_LargePageSize - 1)), |
+ MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE); |
+ if (res != 0) |
+ return res; |
+ } |
+ #endif |
+ return VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); |
+} |
+ |
+void BigFree(void *address) |
+{ |
+ #ifdef _SZ_ALLOC_DEBUG |
+ if (address != 0) |
+ fprintf(stderr, "\nFree_Big; count = %10d", --g_allocCountBig); |
+ #endif |
+ |
+ if (address == 0) |
+ return; |
+ VirtualFree(address, 0, MEM_RELEASE); |
+} |
+ |
+#endif |
Property changes on: third_party/lzma_sdk/Alloc.c |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |