1 /* 2 * Copyright (C) 2007-2014 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 * For details, see <http://zfsonlinux.org/>. 10 * 11 * The SPL is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 * 16 * The SPL is distributed in the hope that it will be useful, but WITHOUT 17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 19 * for more details. 20 * 21 * You should have received a copy of the GNU General Public License along 22 * with the SPL. If not, see <http://www.gnu.org/licenses/>. 23 */ 24 25 #ifndef _SPL_WAIT_H 26 #define _SPL_WAIT_H 27 28 #include <linux/sched.h> 29 #include <linux/wait.h> 30 31 #ifndef HAVE_WAIT_ON_BIT_ACTION 32 #define spl_wait_on_bit(word, bit, mode) wait_on_bit(word, bit, mode) 33 #else 34 35 static inline int 36 spl_bit_wait(void *word) 37 { 38 schedule(); 39 return (0); 40 } 41 42 #define spl_wait_on_bit(word, bit, mode) \ 43 wait_on_bit(word, bit, spl_bit_wait, mode) 44 45 #endif /* HAVE_WAIT_ON_BIT_ACTION */ 46 47 #ifdef HAVE_WAIT_QUEUE_ENTRY_T 48 typedef wait_queue_head_t spl_wait_queue_head_t; 49 typedef wait_queue_entry_t spl_wait_queue_entry_t; 50 #else 51 typedef wait_queue_head_t spl_wait_queue_head_t; 52 typedef wait_queue_t spl_wait_queue_entry_t; 53 #endif 54 55 #endif /* SPL_WAIT_H */ 56