libstdc++
safe_unordered_container.tcc
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00001 // Safe container implementation  -*- C++ -*-
00002 
00003 // Copyright (C) 2011 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file debug/safe_unordered_container.tcc
00026  *  This file is a GNU debug extension to the Standard C++ Library.
00027  */
00028 
00029 #ifndef _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_TCC
00030 #define _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_TCC 1
00031 
00032 namespace __gnu_debug
00033 {
00034   template<typename _Container>
00035     template<typename _Predicate>
00036       void
00037       _Safe_unordered_container<_Container>::
00038       _M_invalidate_if(_Predicate __pred)
00039       {
00040     typedef typename _Container::iterator iterator;
00041     typedef typename _Container::const_iterator const_iterator;
00042 
00043     __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
00044     for (_Safe_iterator_base* __iter = _M_iterators; __iter;)
00045       {
00046         iterator* __victim = static_cast<iterator*>(__iter);
00047         __iter = __iter->_M_next;
00048         if (!__victim->_M_singular() && __pred(__victim->base()))
00049           {
00050         __victim->_M_invalidate();
00051           }
00052       }
00053 
00054     for (_Safe_iterator_base* __iter2 = _M_const_iterators; __iter2;)
00055       {
00056         const_iterator* __victim = static_cast<const_iterator*>(__iter2);
00057         __iter2 = __iter2->_M_next;
00058         if (!__victim->_M_singular() && __pred(__victim->base()))
00059           {
00060         __victim->_M_invalidate();
00061           }
00062       }
00063       }
00064 
00065 
00066   template<typename _Container>
00067     template<typename _Predicate>
00068       void
00069       _Safe_unordered_container<_Container>::
00070       _M_invalidate_local_if(_Predicate __pred)
00071       {
00072     typedef typename _Container::local_iterator local_iterator;
00073     typedef typename _Container::const_local_iterator const_local_iterator;
00074 
00075     __gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
00076     for (_Safe_iterator_base* __iter = _M_local_iterators; __iter;)
00077       {
00078         local_iterator* __victim = static_cast<local_iterator*>(__iter);
00079         __iter = __iter->_M_next;
00080         if (!__victim->_M_singular() && __pred(__victim->base()))
00081           {
00082         __victim->_M_invalidate();
00083           }
00084       }
00085 
00086     for (_Safe_iterator_base* __iter2 = _M_const_local_iterators; __iter2;)
00087       {
00088         const_local_iterator* __victim =
00089           static_cast<const_local_iterator*>(__iter2);
00090         __iter2 = __iter2->_M_next;
00091         if (!__victim->_M_singular() && __pred(__victim->base()))
00092           {
00093         __victim->_M_invalidate();
00094           }
00095       }
00096       }
00097 
00098 } // namespace __gnu_debug
00099 
00100 #endif