| /* |
| * Copyright (C) 2008-2009 Torch Mobile Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "MemoryManager.h" |
| |
| #undef malloc |
| #undef calloc |
| #undef realloc |
| #undef free |
| #undef strdup |
| #undef _strdup |
| #undef VirtualAlloc |
| #undef VirtualFree |
| |
| #include <malloc.h> |
| #include <windows.h> |
| |
| namespace WTF { |
| |
| MemoryManager* memoryManager() |
| { |
| static MemoryManager mm; |
| return &mm; |
| } |
| |
| MemoryManager::MemoryManager() |
| : m_allocationCanFail(false) |
| { |
| } |
| |
| MemoryManager::~MemoryManager() |
| { |
| } |
| |
| HBITMAP MemoryManager::createCompatibleBitmap(HDC hdc, int width, int height) |
| { |
| return ::CreateCompatibleBitmap(hdc, width, height); |
| } |
| |
| HBITMAP MemoryManager::createDIBSection(const BITMAPINFO* pbmi, void** ppvBits) |
| { |
| return ::CreateDIBSection(0, pbmi, DIB_RGB_COLORS, ppvBits, 0, 0); |
| } |
| |
| void* MemoryManager::m_malloc(size_t size) |
| { |
| return malloc(size); |
| } |
| |
| void* MemoryManager::m_calloc(size_t num, size_t size) |
| { |
| return calloc(num, size); |
| } |
| |
| void* MemoryManager::m_realloc(void* p, size_t size) |
| { |
| return realloc(p, size); |
| } |
| |
| void MemoryManager::m_free(void* p) |
| { |
| return free(p); |
| } |
| |
| bool MemoryManager::resizeMemory(void*, size_t) |
| { |
| return false; |
| } |
| |
| void* MemoryManager::allocate64kBlock() |
| { |
| return VirtualAlloc(0, 65536, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); |
| } |
| |
| void MemoryManager::free64kBlock(void* p) |
| { |
| VirtualFree(p, 65536, MEM_RELEASE); |
| } |
| |
| bool MemoryManager::onIdle(DWORD& timeLimitMs) |
| { |
| return false; |
| } |
| |
| LPVOID MemoryManager::virtualAlloc(LPVOID lpAddress, DWORD dwSize, DWORD flAllocationType, DWORD flProtect) |
| { |
| return ::VirtualAlloc(lpAddress, dwSize, flAllocationType, flProtect); |
| } |
| |
| BOOL MemoryManager::virtualFree(LPVOID lpAddress, DWORD dwSize, DWORD dwFreeType) |
| { |
| return ::VirtualFree(lpAddress, dwSize, dwFreeType); |
| } |
| |
| |
| #if defined(USE_SYSTEM_MALLOC) && USE_SYSTEM_MALLOC |
| |
| void *fastMalloc(size_t n) { return malloc(n); } |
| void *fastCalloc(size_t n_elements, size_t element_size) { return calloc(n_elements, element_size); } |
| void fastFree(void* p) { return free(p); } |
| void *fastRealloc(void* p, size_t n) { return realloc(p, n); } |
| |
| #else |
| |
| void *fastMalloc(size_t n) { return MemoryManager::m_malloc(n); } |
| void *fastCalloc(size_t n_elements, size_t element_size) { return MemoryManager::m_calloc(n_elements, element_size); } |
| void fastFree(void* p) { return MemoryManager::m_free(p); } |
| void *fastRealloc(void* p, size_t n) { return MemoryManager::m_realloc(p, n); } |
| |
| #endif |
| |
| #ifndef NDEBUG |
| void fastMallocForbid() {} |
| void fastMallocAllow() {} |
| #endif |
| |
| void* fastZeroedMalloc(size_t n) |
| { |
| void* p = fastMalloc(n); |
| if (p) |
| memset(p, 0, n); |
| return p; |
| } |
| |
| TryMallocReturnValue tryFastMalloc(size_t n) |
| { |
| MemoryAllocationCanFail canFail; |
| return fastMalloc(n); |
| } |
| |
| TryMallocReturnValue tryFastZeroedMalloc(size_t n) |
| { |
| MemoryAllocationCanFail canFail; |
| return fastZeroedMalloc(n); |
| } |
| |
| TryMallocReturnValue tryFastCalloc(size_t n_elements, size_t element_size) |
| { |
| MemoryAllocationCanFail canFail; |
| return fastCalloc(n_elements, element_size); |
| } |
| |
| TryMallocReturnValue tryFastRealloc(void* p, size_t n) |
| { |
| MemoryAllocationCanFail canFail; |
| return fastRealloc(p, n); |
| } |
| |
| char* fastStrDup(const char* str) |
| { |
| return _strdup(str); |
| } |
| |
| } |