xref: /freebsd-src/sys/contrib/openzfs/module/os/linux/spl/spl-atomic.c (revision 180f822596ecc49d3074dcc9dfea9628aae1d48d)
1*eda14cbcSMatt Macy /*
2*eda14cbcSMatt Macy  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
3*eda14cbcSMatt Macy  *  Copyright (C) 2007 The Regents of the University of California.
4*eda14cbcSMatt Macy  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
5*eda14cbcSMatt Macy  *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
6*eda14cbcSMatt Macy  *  UCRL-CODE-235197
7*eda14cbcSMatt Macy  *
8*eda14cbcSMatt Macy  *  This file is part of the SPL, Solaris Porting Layer.
9*eda14cbcSMatt Macy  *
10*eda14cbcSMatt Macy  *  The SPL is free software; you can redistribute it and/or modify it
11*eda14cbcSMatt Macy  *  under the terms of the GNU General Public License as published by the
12*eda14cbcSMatt Macy  *  Free Software Foundation; either version 2 of the License, or (at your
13*eda14cbcSMatt Macy  *  option) any later version.
14*eda14cbcSMatt Macy  *
15*eda14cbcSMatt Macy  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
16*eda14cbcSMatt Macy  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17*eda14cbcSMatt Macy  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
18*eda14cbcSMatt Macy  *  for more details.
19*eda14cbcSMatt Macy  *
20*eda14cbcSMatt Macy  *  You should have received a copy of the GNU General Public License along
21*eda14cbcSMatt Macy  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
22*eda14cbcSMatt Macy  *
23*eda14cbcSMatt Macy  *  Solaris Porting Layer (SPL) Atomic Implementation.
24*eda14cbcSMatt Macy  */
25*eda14cbcSMatt Macy 
26*eda14cbcSMatt Macy #include <sys/atomic.h>
27*eda14cbcSMatt Macy 
28*eda14cbcSMatt Macy #ifdef ATOMIC_SPINLOCK
29*eda14cbcSMatt Macy /* Global atomic lock declarations */
30*eda14cbcSMatt Macy DEFINE_SPINLOCK(atomic32_lock);
31*eda14cbcSMatt Macy DEFINE_SPINLOCK(atomic64_lock);
32*eda14cbcSMatt Macy 
33*eda14cbcSMatt Macy EXPORT_SYMBOL(atomic32_lock);
34*eda14cbcSMatt Macy EXPORT_SYMBOL(atomic64_lock);
35*eda14cbcSMatt Macy #endif /* ATOMIC_SPINLOCK */
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