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[dragonfly.git] / contrib / gcc-4.7 / libstdc++-v3 / include / debug / safe_unordered_container.tcc
1 // Safe container implementation  -*- C++ -*-
2
3 // Copyright (C) 2011 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
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU 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 /** @file debug/safe_unordered_container.tcc
26  *  This file is a GNU debug extension to the Standard C++ Library.
27  */
28
29 #ifndef _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_TCC
30 #define _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_TCC 1
31
32 namespace __gnu_debug
33 {
34   template<typename _Container>
35     template<typename _Predicate>
36       void
37       _Safe_unordered_container<_Container>::
38       _M_invalidate_if(_Predicate __pred)
39       {
40         typedef typename _Container::iterator iterator;
41         typedef typename _Container::const_iterator const_iterator;
42
43         __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
44         for (_Safe_iterator_base* __iter = _M_iterators; __iter;)
45           {
46             iterator* __victim = static_cast<iterator*>(__iter);
47             __iter = __iter->_M_next;
48             if (!__victim->_M_singular() && __pred(__victim->base()))
49               {
50                 __victim->_M_invalidate();
51               }
52           }
53
54         for (_Safe_iterator_base* __iter2 = _M_const_iterators; __iter2;)
55           {
56             const_iterator* __victim = static_cast<const_iterator*>(__iter2);
57             __iter2 = __iter2->_M_next;
58             if (!__victim->_M_singular() && __pred(__victim->base()))
59               {
60                 __victim->_M_invalidate();
61               }
62           }
63       }
64
65
66   template<typename _Container>
67     template<typename _Predicate>
68       void
69       _Safe_unordered_container<_Container>::
70       _M_invalidate_local_if(_Predicate __pred)
71       {
72         typedef typename _Container::local_iterator local_iterator;
73         typedef typename _Container::const_local_iterator const_local_iterator;
74
75         __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
76         for (_Safe_iterator_base* __iter = _M_local_iterators; __iter;)
77           {
78             local_iterator* __victim = static_cast<local_iterator*>(__iter);
79             __iter = __iter->_M_next;
80             if (!__victim->_M_singular() && __pred(__victim->base()))
81               {
82                 __victim->_M_invalidate();
83               }
84           }
85
86         for (_Safe_iterator_base* __iter2 = _M_const_local_iterators; __iter2;)
87           {
88             const_local_iterator* __victim =
89               static_cast<const_local_iterator*>(__iter2);
90             __iter2 = __iter2->_M_next;
91             if (!__victim->_M_singular() && __pred(__victim->base()))
92               {
93                 __victim->_M_invalidate();
94               }
95           }
96       }
97
98 } // namespace __gnu_debug
99
100 #endif