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* Copyright (C) 2008-2009 Torch Mobile Inc.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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#include "MemoryManager.h"
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MemoryManager* memoryManager()
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static MemoryManager mm;
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MemoryManager::MemoryManager()
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: m_allocationCanFail(false)
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MemoryManager::~MemoryManager()
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HBITMAP MemoryManager::createCompatibleBitmap(HDC hdc, int width, int height)
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return ::CreateCompatibleBitmap(hdc, width, height);
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HBITMAP MemoryManager::createDIBSection(const BITMAPINFO* pbmi, void** ppvBits)
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return ::CreateDIBSection(0, pbmi, DIB_RGB_COLORS, ppvBits, 0, 0);
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void* MemoryManager::m_malloc(size_t size)
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void* MemoryManager::m_calloc(size_t num, size_t size)
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return calloc(num, size);
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void* MemoryManager::m_realloc(void* p, size_t size)
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return realloc(p, size);
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void MemoryManager::m_free(void* p)
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bool MemoryManager::resizeMemory(void*, size_t)
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void* MemoryManager::allocate64kBlock()
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return VirtualAlloc(0, 65536, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
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void MemoryManager::free64kBlock(void* p)
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VirtualFree(p, 65536, MEM_RELEASE);
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bool MemoryManager::onIdle(DWORD& timeLimitMs)
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LPVOID MemoryManager::virtualAlloc(LPVOID lpAddress, DWORD dwSize, DWORD flAllocationType, DWORD flProtect)
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return ::VirtualAlloc(lpAddress, dwSize, flAllocationType, flProtect);
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BOOL MemoryManager::virtualFree(LPVOID lpAddress, DWORD dwSize, DWORD dwFreeType)
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return ::VirtualFree(lpAddress, dwSize, dwFreeType);
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#if defined(USE_SYSTEM_MALLOC) && USE_SYSTEM_MALLOC
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void *fastMalloc(size_t n) { return malloc(n); }
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void *fastCalloc(size_t n_elements, size_t element_size) { return calloc(n_elements, element_size); }
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void fastFree(void* p) { return free(p); }
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void *fastRealloc(void* p, size_t n) { return realloc(p, n); }
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void *fastMalloc(size_t n) { return MemoryManager::m_malloc(n); }
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void *fastCalloc(size_t n_elements, size_t element_size) { return MemoryManager::m_calloc(n_elements, element_size); }
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void fastFree(void* p) { return MemoryManager::m_free(p); }
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void *fastRealloc(void* p, size_t n) { return MemoryManager::m_realloc(p, n); }
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void fastMallocForbid() {}
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void fastMallocAllow() {}
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void* fastZeroedMalloc(size_t n)
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void* p = fastMalloc(n);
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TryMallocReturnValue tryFastMalloc(size_t n)
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MemoryAllocationCanFail canFail;
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return fastMalloc(n);
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TryMallocReturnValue tryFastZeroedMalloc(size_t n)
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MemoryAllocationCanFail canFail;
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return fastZeroedMalloc(n);
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TryMallocReturnValue tryFastCalloc(size_t n_elements, size_t element_size)
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MemoryAllocationCanFail canFail;
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return fastCalloc(n_elements, element_size);
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TryMallocReturnValue tryFastRealloc(void* p, size_t n)
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MemoryAllocationCanFail canFail;
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return fastRealloc(p, n);
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char* fastStrDup(const char* str)
b'\\ No newline at end of file'