/* | |
* 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); | |
} | |
} |