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      1 // Safe container implementation  -*- C++ -*-
      2 
      3 // Copyright (C) 2011-2013 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