1 /** 2 * \file 3 * \brief Alloc list 4 */ 5 /* 6 * (c) 2004-2009 Alexander Warg <warg@os.inf.tu-dresden.de>, 7 * Torsten Frenzel <frenzel@os.inf.tu-dresden.de> 8 * economic rights: Technische Universität Dresden (Germany) 9 * 10 * This file is part of TUD:OS and distributed under the terms of the 11 * GNU General Public License 2. 12 * Please see the COPYING-GPL-2 file for details. 13 * 14 * As a special exception, you may use this file as part of a free software 15 * library without restriction. Specifically, if other files instantiate 16 * templates or use macros or inline functions from this file, or you compile 17 * this file and link it with other files to produce an executable, this 18 * file does not by itself cause the resulting executable to be covered by 19 * the GNU General Public License. This exception does not however 20 * invalidate any other reasons why the executable file might be covered by 21 * the GNU General Public License. 22 */ 23 #pragma once 24 25 namespace L4 { 26 27 /** 28 * \brief A simple list-based allocator. 29 * \ingroup cxx_api 30 */ 31 class Alloc_list 32 { 33 public: Alloc_list()34 Alloc_list() : _free(0) {} Alloc_list(void * blk,unsigned long size)35 Alloc_list(void *blk, unsigned long size) : _free(0) 36 { free( blk, size); } 37 38 void free(void *blk, unsigned long size); 39 void *alloc(unsigned long size); 40 41 private: 42 struct Elem 43 { 44 Elem *next; 45 unsigned long size; 46 }; 47 48 Elem *_free; 49 }; 50 } 51