1 /* 2 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. 3 * Copyright (C) 2007 The Regents of the University of California. 4 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). 5 * Written by Brian Behlendorf <behlendorf1@llnl.gov>. 6 * UCRL-CODE-235197 7 * 8 * This file is part of the SPL, Solaris Porting Layer. 9 * 10 * The SPL is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or (at your 13 * option) any later version. 14 * 15 * The SPL is distributed in the hope that it will be useful, but WITHOUT 16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 18 * for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with the SPL. If not, see <http://www.gnu.org/licenses/>. 22 * 23 * Solaris Porting Layer (SPL) Atomic Implementation. 24 */ 25 26 #include <sys/atomic.h> 27 28 #ifdef ATOMIC_SPINLOCK 29 /* Global atomic lock declarations */ 30 DEFINE_SPINLOCK(atomic32_lock); 31 DEFINE_SPINLOCK(atomic64_lock); 32 33 EXPORT_SYMBOL(atomic32_lock); 34 EXPORT_SYMBOL(atomic64_lock); 35 #endif /* ATOMIC_SPINLOCK */ 36