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72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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* This file contains the handle based Memory Manager defines
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*/
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#ifndef TINSEL_HEAPMEM_H
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#define TINSEL_HEAPMEM_H
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#include "tinsel/dw.h" // new data types
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namespace Tinsel {
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struct MEM_NODE;
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/*----------------------------------------------------------------------*\
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|* Memory Function Prototypes *|
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\*----------------------------------------------------------------------*/
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void MemoryInit(); // initialises the memory manager
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void MemoryDeinit(); // deinitialises the memory manager
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// reserves a memory node for a movable & discardable block
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MEM_NODE *MemoryNoAlloc();
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// allocates a fixed block with the specified number of bytes
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MEM_NODE *MemoryAllocFixed(long size);
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void MemoryDiscard( // discards the specified memory object
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MEM_NODE *pMemNode); // node of the memory object
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void *MemoryLock( // locks a memory object and returns a pointer to the first byte of the objects memory block
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MEM_NODE *pMemNode); // node of the memory object
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void MemoryReAlloc( // changes the size or attributes of a specified memory object
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MEM_NODE *pMemNode, // node of the memory object
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long size); // new size of block
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void MemoryUnlock( // unlocks a memory object
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MEM_NODE *pMemNode); // node of the memory object
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// 'touch' the memory object, i.e., update its "least recently used" counter.
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void MemoryTouch(MEM_NODE *pMemNode);
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// Dereference a given memory node
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uint8 *MemoryDeref(MEM_NODE *pMemNode);
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} // End of namespace Tinsel
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#endif
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