gcc/libatomic/fence.c

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2022-01-03 10:42:10 +01:00
/* Copyright (C) 2015-2022 Free Software Foundation, Inc.
This file is part of the GNU Atomic Library (libatomic).
Libatomic 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 of the License, or
(at your option) any later version.
Libatomic 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libatomic_i.h"
#include <stdatomic.h>
/* Out-of-line versions of <stdatomic.h> fence functions. */
/* Fence as specified by ORDER. */
void
(atomic_thread_fence) (memory_order order)
{
atomic_thread_fence (order);
}
/* Fence as specified by ORDER but only establishing ordering between
a thread and a signal handler executed in that thread. */
void
(atomic_signal_fence) (memory_order order)
{
atomic_signal_fence (order);
}