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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/shared_ptr/atomic/1.cc
1 // Copyright (C) 2014 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-options "-std=gnu++11" }
19 // { dg-require-gthreads "" }
25 using test_type
= std::shared_ptr
<int>;
26 bool test
__attribute__ ((unused
)) = false;
27 constexpr auto mo
= std::memory_order_seq_cst
;
29 test
= std::atomic_is_lock_free(&p
);
30 test_type p2
= std::atomic_load(&p
);
31 test_type p3
= std::atomic_load_explicit(&p
, mo
);
32 std::atomic_store(&p2
, p
);
33 std::atomic_store_explicit(&p2
, p
, mo
);
34 test_type p4
= std::atomic_exchange(&p2
, p
);
35 p4
= std::atomic_exchange_explicit(&p2
, p
, mo
);
36 test
= std::atomic_compare_exchange_weak(&p2
, &p3
, p
);
37 test
= std::atomic_compare_exchange_strong(&p2
, &p3
, p
);
38 test
= std::atomic_compare_exchange_weak_explicit(&p2
, &p3
, p
, mo
, mo
);
39 test
= std::atomic_compare_exchange_strong_explicit(&p2
, &p3
, p
, mo
, mo
);