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
101