da6b5d6d3f
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39438 a95241bf-73f2-0310-859d-f6bbb57e9c96
66 lines
1.2 KiB
C++
66 lines
1.2 KiB
C++
/*
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* Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#ifndef CLIENT_MEMORY_ALLOCATOR_H
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#define CLIENT_MEMORY_ALLOCATOR_H
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#include "MultiLocker.h"
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#include <util/DoublyLinkedList.h>
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class ServerApp;
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struct chunk;
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struct block;
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struct chunk : DoublyLinkedListLinkImpl<struct chunk> {
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area_id area;
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uint8* base;
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size_t size;
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};
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struct block : DoublyLinkedListLinkImpl<struct block> {
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struct chunk* chunk;
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uint8* base;
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size_t size;
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};
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typedef DoublyLinkedList<block> block_list;
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typedef DoublyLinkedList<chunk> chunk_list;
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class ClientMemoryAllocator {
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public:
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ClientMemoryAllocator(ServerApp* application);
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~ClientMemoryAllocator();
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status_t InitCheck();
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void* Allocate(size_t size, void** _address,
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bool& newArea);
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void Free(void* cookie);
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area_id Area(void* cookie);
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uint32 AreaOffset(void* cookie);
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bool Lock();
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void Unlock();
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private:
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struct block* _AllocateChunk(size_t size, bool& newArea);
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private:
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ServerApp* fApplication;
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MultiLocker fLock;
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chunk_list fChunks;
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block_list fFreeBlocks;
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};
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#endif /* CLIENT_MEMORY_ALLOCATOR_H */
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