/usr/include/ck_spinlock.h is in libck-dev 0.4.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /*
* Copyright 2010-2014 Samy Al Bahra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _CK_SPINLOCK_H
#define _CK_SPINLOCK_H
#include "spinlock/anderson.h"
#include "spinlock/cas.h"
#include "spinlock/clh.h"
#include "spinlock/dec.h"
#include "spinlock/fas.h"
#include "spinlock/hclh.h"
#include "spinlock/mcs.h"
#include "spinlock/ticket.h"
/*
* On tested x86, x86_64, PPC64 and SPARC64 targets,
* ck_spinlock_fas proved to have lowest latency
* in fast path testing or negligible degradation
* from faster but less robust implementations.
*/
#define CK_SPINLOCK_INITIALIZER CK_SPINLOCK_FAS_INITIALIZER
#define ck_spinlock_t ck_spinlock_fas_t
#define ck_spinlock_init(x) ck_spinlock_fas_init(x)
#define ck_spinlock_lock(x) ck_spinlock_fas_lock(x)
#define ck_spinlock_lock_eb(x) ck_spinlock_fas_lock_eb(x)
#define ck_spinlock_unlock(x) ck_spinlock_fas_unlock(x)
#define ck_spinlock_locked(x) ck_spinlock_fas_locked(x)
#define ck_spinlock_trylock(x) ck_spinlock_fas_trylock(x)
CK_ELIDE_PROTOTYPE(ck_spinlock, ck_spinlock_t,
ck_spinlock_locked, ck_spinlock_lock,
ck_spinlock_locked, ck_spinlock_unlock)
CK_ELIDE_TRYLOCK_PROTOTYPE(ck_spinlock, ck_spinlock_t,
ck_spinlock_locked, ck_spinlock_trylock)
#endif /* _CK_SPINLOCK_H */
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