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// Copyright (C) 2014-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++11" }
// { dg-require-gthreads "" }
#include <memory>
int main()
{
using test_type = std::__shared_ptr<int, std::_S_single>;
bool test __attribute__ ((unused)) = false;
constexpr auto mo = std::memory_order_seq_cst;
const test_type p;
test = std::atomic_is_lock_free(&p);
test_type p2 = std::atomic_load(&p);
test_type p3 = std::atomic_load_explicit(&p, mo);
std::atomic_store(&p2, p);
std::atomic_store_explicit(&p2, p, mo);
test_type p4 = std::atomic_exchange(&p2, p);
p4 = std::atomic_exchange_explicit(&p2, p, mo);
test = std::atomic_compare_exchange_weak(&p2, &p3, p);
test = std::atomic_compare_exchange_strong(&p2, &p3, p);
test = std::atomic_compare_exchange_weak_explicit(&p2, &p3, p, mo, mo);
test = std::atomic_compare_exchange_strong_explicit(&p2, &p3, p, mo, mo);
}
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