12fc06b87Sbeveloper /* 22fc06b87Sbeveloper * Copyright (c) 2003 Marcus Overhagen 32fc06b87Sbeveloper * 42fc06b87Sbeveloper * Permission is hereby granted, free of charge, to any person obtaining a 52fc06b87Sbeveloper * copy of this software and associated documentation files (the "Software"), 62fc06b87Sbeveloper * to deal in the Software without restriction, including without limitation 72fc06b87Sbeveloper * the rights to use, copy, modify, merge, publish, distribute, sublicense, 82fc06b87Sbeveloper * and/or sell copies of the Software, and to permit persons to whom the 92fc06b87Sbeveloper * Software is furnished to do so, subject to the following conditions: 102fc06b87Sbeveloper * 112fc06b87Sbeveloper * The above copyright notice and this permission notice shall be included in 122fc06b87Sbeveloper * all copies or substantial portions of the Software. 132fc06b87Sbeveloper * 142fc06b87Sbeveloper * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 152fc06b87Sbeveloper * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 162fc06b87Sbeveloper * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 172fc06b87Sbeveloper * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 182fc06b87Sbeveloper * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 192fc06b87Sbeveloper * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 202fc06b87Sbeveloper * DEALINGS IN THE SOFTWARE. 212fc06b87Sbeveloper */ 22e75560e6Sejakowatz #ifndef _BLOCK_CACHE_H 23e75560e6Sejakowatz #define _BLOCK_CACHE_H 24e75560e6Sejakowatz 25*087882c2SAxel Dörfler 26e75560e6Sejakowatz #include <BeBuild.h> 27e75560e6Sejakowatz #include <Locker.h> 28e75560e6Sejakowatz 292fc06b87Sbeveloper 30*087882c2SAxel Dörfler // The allocation type to be used in the constructor 312fc06b87Sbeveloper enum { 32e75560e6Sejakowatz B_OBJECT_CACHE = 0, 33e75560e6Sejakowatz B_MALLOC_CACHE = 1 34e75560e6Sejakowatz }; 35e75560e6Sejakowatz 36*087882c2SAxel Dörfler class BBlockCache { 37e75560e6Sejakowatz public: 38*087882c2SAxel Dörfler BBlockCache(uint32 blockCount, size_t blockSize, 392fc06b87Sbeveloper uint32 allocationType); 402fc06b87Sbeveloper virtual ~BBlockCache(); 41e75560e6Sejakowatz 422fc06b87Sbeveloper void* Get(size_t blockSize); 432fc06b87Sbeveloper void Save(void *pointer, size_t blockSize); 44e75560e6Sejakowatz 45e75560e6Sejakowatz private: 46e75560e6Sejakowatz virtual void _ReservedBlockCache1(); 47e75560e6Sejakowatz virtual void _ReservedBlockCache2(); 48e75560e6Sejakowatz 49e75560e6Sejakowatz BBlockCache(const BBlockCache &); 50e75560e6Sejakowatz BBlockCache &operator=(const BBlockCache &); 51e75560e6Sejakowatz 52340eed61SIngo Weinhold struct _FreeBlock; 53e75560e6Sejakowatz 542fc06b87Sbeveloper _FreeBlock* fFreeList; 552fc06b87Sbeveloper size_t fBlockSize; 56369eef13SIngo Weinhold int32 fFreeBlocks; 57369eef13SIngo Weinhold int32 fBlockCount; 582fc06b87Sbeveloper BLocker fLocker; 592fc06b87Sbeveloper void* (*fAlloc)(size_t size); 602fc06b87Sbeveloper void (*fFree)(void *pointer); 61369eef13SIngo Weinhold uint32 _reserved[2]; 622fc06b87Sbeveloper }; 632fc06b87Sbeveloper 64*087882c2SAxel Dörfler #endif // _BLOCK_CACHE_H 65