libstdc++-v3/include/debug/safe_unordered_sequence.tcc

   1 // Safe sequence 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_sequence.tcc
  26  *  This file is a GNU debug extension to the Standard C++ Library.
  27  */
  28
  29 #ifndef _GLIBCXX_DEBUG_SAFE_UNORDERED_SEQUENCE_TCC
  30 #define _GLIBCXX_DEBUG_SAFE_UNORDERED_SEQUENCE_TCC 1
  31
  32 namespace __gnu_debug
  33 {
  34   template<typename _Sequence>
  35     template<typename _Predicate>
  36       void
  37       _Safe_unordered_sequence<_Sequence>::
  38       _M_invalidate_if(_Predicate __pred)
  39       {
  40         typedef typename _Sequence::iterator iterator;
  41         typedef typename _Sequence::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 _Sequence>
  67     template<typename _Predicate>
  68       void
  69       _Safe_unordered_sequence<_Sequence>::
  70       _M_invalidate_local_if(_Predicate __pred)
  71       {
  72         typedef typename _Sequence::local_iterator local_iterator;
  73         typedef typename _Sequence::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