xref: /dragonfly/contrib/gcc-4.7/libstdc++-v3/include/debug/safe_unordered_container.tcc (revision 04febcfb30580676d3e95f58a16c5137ee478b32)
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>::
_M_invalidate_if(_Predicate __pred)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>::
_M_invalidate_local_if(_Predicate __pred)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