libstdc++
safe_unordered_container.tcc
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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
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
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