diff options
Diffstat (limited to 'CPP/Common/Alloc.cpp')
-rwxr-xr-x | CPP/Common/Alloc.cpp | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/CPP/Common/Alloc.cpp b/CPP/Common/Alloc.cpp deleted file mode 100755 index e4fc6a81..00000000 --- a/CPP/Common/Alloc.cpp +++ /dev/null @@ -1,133 +0,0 @@ -// Common/Alloc.cpp - -#include "StdAfx.h" - -#ifdef _WIN32 -#include "MyWindows.h" -#else -#include <stdlib.h> -#endif - -#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) throw() -{ - if (size == 0) - return 0; - #ifdef _SZ_ALLOC_DEBUG - fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount++); - #endif - return ::malloc(size); -} - -void MyFree(void *address) throw() -{ - #ifdef _SZ_ALLOC_DEBUG - if (address != 0) - fprintf(stderr, "\nFree; count = %10d", --g_allocCount); - #endif - - ::free(address); -} - -#ifdef _WIN32 - -void *MidAlloc(size_t size) throw() -{ - 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) throw() -{ - #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 -#define _7ZIP_NO_LARGE_PAGES -#endif - -// define _7ZIP_NO_LARGE_PAGES if you don't need LARGE_PAGES support -// #define _7ZIP_NO_LARGE_PAGES - - -#ifndef _7ZIP_NO_LARGE_PAGES -static SIZE_T g_LargePageSize = - #ifdef _WIN64 - (1 << 21); - #else - (1 << 22); - #endif - -typedef SIZE_T (WINAPI *GetLargePageMinimumP)(); -#endif - -bool SetLargePageSize() -{ - #ifndef _7ZIP_NO_LARGE_PAGES - GetLargePageMinimumP largePageMinimum = (GetLargePageMinimumP) - ::GetProcAddress(::GetModuleHandle(TEXT("kernel32.dll")), "GetLargePageMinimum"); - if (largePageMinimum == 0) - return false; - SIZE_T size = largePageMinimum(); - if (size == 0 || (size & (size - 1)) != 0) - return false; - g_LargePageSize = size; - #endif - return true; -} - - -void *BigAlloc(size_t size) throw() -{ - if (size == 0) - return 0; - #ifdef _SZ_ALLOC_DEBUG - fprintf(stderr, "\nAlloc_Big %10d bytes; count = %10d", size, g_allocCountBig++); - #endif - - #ifndef _7ZIP_NO_LARGE_PAGES - if (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) throw() -{ - #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 |