mirror_zfs/include/sys/thread.h

/*****************************************************************************\
 *  Copyright (C) 2007-2010 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://github.com/behlendorf/spl/>.
 *
 *  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_THREAD_H
#define _SPL_THREAD_H

#include <linux/module.h>
#include <linux/mm.h>
#include <linux/spinlock.h>
#include <linux/kthread.h>
#include <sys/types.h>
#include <sys/sysmacros.h>

/*
 * Thread interfaces
 */
#define TP_MAGIC			0x53535353

#define TS_SLEEP			TASK_INTERRUPTIBLE
#define TS_RUN				TASK_RUNNING
#define TS_ZOMB				EXIT_ZOMBIE
#define TS_STOPPED			TASK_STOPPED

typedef void (*thread_func_t)(void *);

#define thread_create(stk, stksize, func, arg, len, pp, state, pri)      \
	__thread_create(stk, stksize, (thread_func_t)func,               \
	                #func, arg, len, pp, state, pri)
#define thread_exit()			__thread_exit()
#define thread_join(t)			SBUG()
#define curthread			get_current()

extern kthread_t *__thread_create(caddr_t stk, size_t  stksize,
                                  thread_func_t func, const char *name,
                                  void *args, size_t len, proc_t *pp,
                                  int state, pri_t pri);
extern void __thread_exit(void);

#endif  /* _SPL_THREAD_H */