00001 // -*- C++ -*- 00002 // 00003 // This file is part of Siena, a wide-area event notification system. 00004 // See http://www.cs.colorado.edu/serl/siena/ 00005 // 00006 // Authors: Antonio Carzaniga <[email protected]> 00007 // See the file AUTHORS for full details. 00008 // 00009 // Copyright (C) 2001-2002 University of Colorado 00010 // 00011 // This program is free software; you can redistribute it and/or 00012 // modify it under the terms of the GNU General Public License 00013 // as published by the Free Software Foundation; either version 2 00014 // of the License, or (at your option) any later version. 00015 // 00016 // This program is distributed in the hope that it will be useful, 00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 // GNU General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU General Public License 00022 // along with this program; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, 00024 // USA, or send email to [email protected]. 00025 // 00026 // 00027 // $Id: ft_allocator.h,v 1.2 2002/09/30 04:51:48 carzanig Exp $ 00028 // 00029 #ifndef FT_ALLOCATOR_H 00030 #define FT_ALLOCATOR_H 00031 00032 #include <cstddef> 00033 00034 class FTAllocator; 00035 00037 extern void * operator new (size_t s, FTAllocator &); 00043 extern void operator delete (void *, size_t s, FTAllocator &); 00045 extern void * operator new[] (size_t, FTAllocator &); 00051 extern void operator delete[] (void *, size_t s, FTAllocator &); 00052 00062 class FTAllocator { 00063 public: 00064 00066 void * allocate(size_t s); 00068 void clear(); 00070 size_t size() const; 00071 00072 FTAllocator(size_t bs); 00073 00074 private: 00076 struct block { 00077 block * next; 00078 char bytes[0]; 00079 }; 00080 00082 const size_t BSize; 00083 00085 block * blist; 00086 00088 size_t free_pos; 00089 00091 size_t bcount; 00092 }; 00093 00094 #ifdef HAVE_INLINE 00095 #include "ft_allocator.icc" 00096 #endif 00097 00098 #endif