Licensing changes to GPLv3 resp. GPLv3 with GCC Runtime Exception.

[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 29_atomics / atomic_flag / test_and_set / explicit.c

// { dg-options "-x c -shared-libgcc -lstdc++" }

// Copyright (C) 2008, 2009 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/>.


#include <stdatomic.h>

int main()
{
  atomic_flag af = ATOMIC_FLAG_INIT;

  if (!atomic_flag_test_and_set_explicit(&af, memory_order_acquire))
    atomic_flag_clear_explicit(&af, memory_order_release);

  return 0;
}