xref: /dflybsd-src/contrib/gcc-8.0/libstdc++-v3/include/debug/safe_unordered_container.tcc (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1*38fd1498Szrj // Safe container implementation  -*- C++ -*-
2*38fd1498Szrj 
3*38fd1498Szrj // Copyright (C) 2011-2018 Free Software Foundation, Inc.
4*38fd1498Szrj //
5*38fd1498Szrj // This file is part of the GNU ISO C++ Library.  This library is free
6*38fd1498Szrj // software; you can redistribute it and/or modify it under the
7*38fd1498Szrj // terms of the GNU General Public License as published by the
8*38fd1498Szrj // Free Software Foundation; either version 3, or (at your option)
9*38fd1498Szrj // any later version.
10*38fd1498Szrj 
11*38fd1498Szrj // This library is distributed in the hope that it will be useful,
12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of
13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*38fd1498Szrj // GNU General Public License for more details.
15*38fd1498Szrj 
16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional
17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version
18*38fd1498Szrj // 3.1, as published by the Free Software Foundation.
19*38fd1498Szrj 
20*38fd1498Szrj // You should have received a copy of the GNU General Public License and
21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program;
22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23*38fd1498Szrj // <http://www.gnu.org/licenses/>.
24*38fd1498Szrj 
25*38fd1498Szrj /** @file debug/safe_unordered_container.tcc
26*38fd1498Szrj  *  This file is a GNU debug extension to the Standard C++ Library.
27*38fd1498Szrj  */
28*38fd1498Szrj 
29*38fd1498Szrj #ifndef _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_TCC
30*38fd1498Szrj #define _GLIBCXX_DEBUG_SAFE_UNORDERED_CONTAINER_TCC 1
31*38fd1498Szrj 
32*38fd1498Szrj namespace __gnu_debug
33*38fd1498Szrj {
34*38fd1498Szrj   template<typename _Container>
35*38fd1498Szrj     template<typename _Predicate>
36*38fd1498Szrj       void
37*38fd1498Szrj       _Safe_unordered_container<_Container>::
_M_invalidate_if(_Predicate __pred)38*38fd1498Szrj       _M_invalidate_if(_Predicate __pred)
39*38fd1498Szrj       {
40*38fd1498Szrj 	typedef typename _Container::iterator iterator;
41*38fd1498Szrj 	typedef typename _Container::const_iterator const_iterator;
42*38fd1498Szrj 
43*38fd1498Szrj 	__gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
44*38fd1498Szrj 	for (_Safe_iterator_base* __iter = _M_iterators; __iter;)
45*38fd1498Szrj 	  {
46*38fd1498Szrj 	    iterator* __victim = static_cast<iterator*>(__iter);
47*38fd1498Szrj 	    __iter = __iter->_M_next;
48*38fd1498Szrj 	    if (!__victim->_M_singular() && __pred(__victim->base()))
49*38fd1498Szrj 	      {
50*38fd1498Szrj 		__victim->_M_invalidate();
51*38fd1498Szrj 	      }
52*38fd1498Szrj 	  }
53*38fd1498Szrj 
54*38fd1498Szrj 	for (_Safe_iterator_base* __iter2 = _M_const_iterators; __iter2;)
55*38fd1498Szrj 	  {
56*38fd1498Szrj 	    const_iterator* __victim = static_cast<const_iterator*>(__iter2);
57*38fd1498Szrj 	    __iter2 = __iter2->_M_next;
58*38fd1498Szrj 	    if (!__victim->_M_singular() && __pred(__victim->base()))
59*38fd1498Szrj 	      {
60*38fd1498Szrj 		__victim->_M_invalidate();
61*38fd1498Szrj 	      }
62*38fd1498Szrj 	  }
63*38fd1498Szrj       }
64*38fd1498Szrj 
65*38fd1498Szrj 
66*38fd1498Szrj   template<typename _Container>
67*38fd1498Szrj     template<typename _Predicate>
68*38fd1498Szrj       void
69*38fd1498Szrj       _Safe_unordered_container<_Container>::
_M_invalidate_local_if(_Predicate __pred)70*38fd1498Szrj       _M_invalidate_local_if(_Predicate __pred)
71*38fd1498Szrj       {
72*38fd1498Szrj 	typedef typename _Container::local_iterator local_iterator;
73*38fd1498Szrj 	typedef typename _Container::const_local_iterator const_local_iterator;
74*38fd1498Szrj 
75*38fd1498Szrj 	__gnu_cxx::__scoped_lock sentry(this->_M_get_mutex());
76*38fd1498Szrj 	for (_Safe_iterator_base* __iter = _M_local_iterators; __iter;)
77*38fd1498Szrj 	  {
78*38fd1498Szrj 	    local_iterator* __victim = static_cast<local_iterator*>(__iter);
79*38fd1498Szrj 	    __iter = __iter->_M_next;
80*38fd1498Szrj 	    if (!__victim->_M_singular() && __pred(__victim->base()))
81*38fd1498Szrj 	      {
82*38fd1498Szrj 		__victim->_M_invalidate();
83*38fd1498Szrj 	      }
84*38fd1498Szrj 	  }
85*38fd1498Szrj 
86*38fd1498Szrj 	for (_Safe_iterator_base* __iter2 = _M_const_local_iterators; __iter2;)
87*38fd1498Szrj 	  {
88*38fd1498Szrj 	    const_local_iterator* __victim =
89*38fd1498Szrj 	      static_cast<const_local_iterator*>(__iter2);
90*38fd1498Szrj 	    __iter2 = __iter2->_M_next;
91*38fd1498Szrj 	    if (!__victim->_M_singular() && __pred(__victim->base()))
92*38fd1498Szrj 	      {
93*38fd1498Szrj 		__victim->_M_invalidate();
94*38fd1498Szrj 	      }
95*38fd1498Szrj 	  }
96*38fd1498Szrj       }
97*38fd1498Szrj 
98*38fd1498Szrj } // namespace __gnu_debug
99*38fd1498Szrj 
100*38fd1498Szrj #endif
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