44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (C) 2018 Lawrence Livermore National Security, LLC.
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*/
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#ifndef _ZFS_COMPILER_COMPAT_H
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#define _ZFS_COMPILER_COMPAT_H
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#include <linux/compiler.h>
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#if !defined(zfs_fallthrough)
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#if defined(HAVE_IMPLICIT_FALLTHROUGH)
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#define zfs_fallthrough __attribute__((__fallthrough__))
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#else
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#define zfs_fallthrough ((void)0)
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#endif
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#endif
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#if !defined(READ_ONCE)
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#define READ_ONCE(x) ACCESS_ONCE(x)
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#endif
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#endif /* _ZFS_COMPILER_COMPAT_H */
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