3 // Copyright (C) 2005, 2006 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 2, 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 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction. Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License. This exception does not however invalidate any other
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31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
35 // notice appears in all copies, and that both that copyright notice
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43 * @file cond_dealtor.hpp
44 * Contains a conditional deallocator.
47 #ifndef PB_DS_COND_DEALTOR_HPP
48 #define PB_DS_COND_DEALTOR_HPP
56 #define PB_DS_COND_DEALTOR_CLASS_T_DEC \
57 template<typename Entry, class Allocator>
59 #define PB_DS_COND_DEALTOR_CLASS_C_DEC \
64 template<typename Entry, class Allocator>
69 typename Allocator::template rebind<Entry>::other
72 typedef typename entry_allocator::pointer entry_pointer;
76 cond_dealtor(entry_pointer p_e);
87 bool m_no_action_destructor;
89 static entry_allocator s_alloc;
92 PB_DS_COND_DEALTOR_CLASS_T_DEC
93 typename PB_DS_COND_DEALTOR_CLASS_C_DEC::entry_allocator
94 PB_DS_COND_DEALTOR_CLASS_C_DEC::s_alloc;
96 PB_DS_COND_DEALTOR_CLASS_T_DEC
98 PB_DS_COND_DEALTOR_CLASS_C_DEC::
99 cond_dealtor(entry_pointer p_e) :
101 m_no_action_destructor(false)
104 PB_DS_COND_DEALTOR_CLASS_T_DEC
106 PB_DS_COND_DEALTOR_CLASS_C_DEC::
109 m_no_action_destructor = true;
112 PB_DS_COND_DEALTOR_CLASS_T_DEC
114 PB_DS_COND_DEALTOR_CLASS_C_DEC::
117 if (m_no_action_destructor)
120 s_alloc.deallocate(m_p_e, 1);
123 #undef PB_DS_COND_DEALTOR_CLASS_T_DEC
124 #undef PB_DS_COND_DEALTOR_CLASS_C_DEC
126 } // namespace detail
130 #endif // #ifndef PB_DS_COND_DEALTOR_HPP