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 24 #ifndef _SPL_CALLB_H 25 #define _SPL_CALLB_H 26 27 #include <linux/module.h> 28 #include <sys/mutex.h> 29 30 #define CALLB_CPR_ASSERT(cp) ASSERT(MUTEX_HELD((cp)->cc_lockp)); 31 32 typedef struct callb_cpr { 33 kmutex_t *cc_lockp; 34 } callb_cpr_t; 35 36 #define CALLB_CPR_INIT(cp, lockp, func, name) { \ 37 (cp)->cc_lockp = lockp; \ 38 } 39 40 #define CALLB_CPR_SAFE_BEGIN(cp) { \ 41 CALLB_CPR_ASSERT(cp); \ 42 } 43 44 #define CALLB_CPR_SAFE_END(cp, lockp) { \ 45 CALLB_CPR_ASSERT(cp); \ 46 } 47 48 #define CALLB_CPR_EXIT(cp) { \ 49 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 50 mutex_exit((cp)->cc_lockp); \ 51 } 52 53 #endif /* _SPL_CALLB_H */ 54