mirror of git://gcc.gnu.org/git/gcc.git
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
// { dg-options "-x c" }
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// { dg-do compile }
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// Copyright (C) 2008 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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#include <stdatomic.h>
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int main()
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{
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volatile atomic_flag f;
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volatile atomic_flag* p = &f;
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memory_order m = memory_order_relaxed;
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// For position only.
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atomic_flag_test_and_set(p);
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atomic_flag_test_and_set_explicit(p, m);
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atomic_flag_clear(p);
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atomic_flag_clear_explicit(p, m);
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atomic_flag_fence(p, m);
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return 0;
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}
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