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8b2a8a4954
Submitted by: Johannes Lundberg <johalun0@gmail.com> MFC after: 1 week Sponsored by: Limelight Networks Sponsored by: Mellanox Technologies
49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/*-
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* Copyright (c) 2015-2017 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_SRCU_H_
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#define _LINUX_SRCU_H_
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struct srcu_struct {
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};
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#define srcu_dereference(ptr,srcu) ((__typeof(*(ptr)) *)(ptr))
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#define DEFINE_STATIC_SRCU(name) \
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static struct srcu_struct name = {}
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/* prototypes */
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extern int srcu_read_lock(struct srcu_struct *);
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extern void srcu_read_unlock(struct srcu_struct *, int index);
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extern void synchronize_srcu(struct srcu_struct *);
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extern void srcu_barrier(struct srcu_struct *);
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extern int init_srcu_struct(struct srcu_struct *);
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extern void cleanup_srcu_struct(struct srcu_struct *);
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#endif /* _LINUX_SRCU_H_ */
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