zfs-builds-mm/zfs-0.8.2/include/spl/sys/wait.h

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2019-10-24 23:13:56 +02:00
/*
* Copyright (C) 2007-2014 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_WAIT_H
#define _SPL_WAIT_H
#include <linux/sched.h>
#include <linux/wait.h>
#ifndef HAVE_WAIT_ON_BIT_ACTION
#define spl_wait_on_bit(word, bit, mode) wait_on_bit(word, bit, mode)
#else
static inline int
spl_bit_wait(void *word)
{
schedule();
return (0);
}
#define spl_wait_on_bit(word, bit, mode) \
wait_on_bit(word, bit, spl_bit_wait, mode)
#endif /* HAVE_WAIT_ON_BIT_ACTION */
#ifdef HAVE_WAIT_QUEUE_ENTRY_T
typedef wait_queue_head_t spl_wait_queue_head_t;
typedef wait_queue_entry_t spl_wait_queue_entry_t;
#else
typedef wait_queue_head_t spl_wait_queue_head_t;
typedef wait_queue_t spl_wait_queue_entry_t;
#endif
#endif /* SPL_WAIT_H */