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  1. // Safe container implementation  -*- C++ -*-
  2.  
  3. // Copyright (C) 2011-2015 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.