1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the terms 7 // of the GNU General Public License as published by the Free Software 8 // Foundation; either version 3, or (at your option) any later 9 // version. 10 11 // This library is distributed in the hope that it will be useful, but 12 // WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 // General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27 // Permission to use, copy, modify, sell, and distribute this software 28 // is hereby granted without fee, provided that the above copyright 29 // notice appears in all copies, and that both that copyright notice 30 // and this permission notice appear in supporting documentation. None 31 // of the above authors, nor IBM Haifa Research Laboratories, make any 32 // representation about the suitability of this software for any 33 // purpose. It is provided "as is" without express or implied 34 // warranty. 35 36 /** 37 * @file cond_dtor_entry_dealtor.hpp 38 * Contains a binary tree container conditional deallocator 39 */ 40 41 class cond_dealtor 42 { 43 public: 44 inline 45 cond_dealtor(leaf_pointer p_nd) : m_p_nd(p_nd), 46 m_no_action_dtor(false), 47 m_call_destructor(false) 48 { } 49 50 inline void 51 set_no_action_dtor() 52 { 53 m_no_action_dtor = true; 54 } 55 56 inline void 57 set_call_destructor() 58 { 59 m_call_destructor = true; 60 } 61 62 inline 63 ~cond_dealtor() 64 { 65 if (m_no_action_dtor) 66 return; 67 68 if (m_call_destructor) 69 m_p_nd->~leaf(); 70 71 s_leaf_allocator.deallocate(m_p_nd, 1); 72 } 73 74 protected: 75 leaf_pointer m_p_nd; 76 bool m_no_action_dtor; 77 bool m_call_destructor; 78 }; 79 80