libstdc++-v3/testsuite/29_atomics/atomic/cons/user_pod.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-do link }
   3
   4 // Copyright (C) 2009-2013 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <atomic>
  22
  23 struct dwordp
  24 {
  25   int* p1;
  26   int* p2;
  27 };
  28
  29 void atomics()
  30 {
  31   std::atomic<dwordp> a;
  32   bool b __attribute__((unused)) = a.is_lock_free();
  33 }
  34
  35 int main()
  36 {
  37   atomics();
  38   return 0;
  39 }