3 // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
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
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.
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.
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/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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
37 * @file cond_dealtor.hpp
38 * Contains a conditional deallocator.
41 #ifndef PB_DS_COND_DEALTOR_HPP
42 #define PB_DS_COND_DEALTOR_HPP
50 #define PB_DS_COND_DEALTOR_CLASS_T_DEC \
51 template<typename Entry, class Allocator>
53 #define PB_DS_COND_DEALTOR_CLASS_C_DEC \
58 template<typename Entry, class Allocator>
63 typename Allocator::template rebind<Entry>::other
66 typedef typename entry_allocator::pointer entry_pointer;
70 cond_dealtor(entry_pointer p_e);
81 bool m_no_action_destructor;
83 static entry_allocator s_alloc;
86 PB_DS_COND_DEALTOR_CLASS_T_DEC
87 typename PB_DS_COND_DEALTOR_CLASS_C_DEC::entry_allocator
88 PB_DS_COND_DEALTOR_CLASS_C_DEC::s_alloc;
90 PB_DS_COND_DEALTOR_CLASS_T_DEC
92 PB_DS_COND_DEALTOR_CLASS_C_DEC::
93 cond_dealtor(entry_pointer p_e) :
95 m_no_action_destructor(false)
98 PB_DS_COND_DEALTOR_CLASS_T_DEC
100 PB_DS_COND_DEALTOR_CLASS_C_DEC::
103 m_no_action_destructor = true;
106 PB_DS_COND_DEALTOR_CLASS_T_DEC
108 PB_DS_COND_DEALTOR_CLASS_C_DEC::
111 if (m_no_action_destructor)
114 s_alloc.deallocate(m_p_e, 1);
117 #undef PB_DS_COND_DEALTOR_CLASS_T_DEC
118 #undef PB_DS_COND_DEALTOR_CLASS_C_DEC
120 } // namespace detail
122 } // namespace __gnu_pbds
124 #endif // #ifndef PB_DS_COND_DEALTOR_HPP