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_THREAD_H
25 #define	_SPL_THREAD_H
26 
27 #include <linux/module.h>
28 #include <linux/mm.h>
29 #include <linux/spinlock.h>
30 #include <linux/kthread.h>
31 #include <sys/types.h>
32 #include <sys/sysmacros.h>
33 #include <sys/tsd.h>
34 
35 /*
36  * Thread interfaces
37  */
38 #define	TP_MAGIC			0x53535353
39 
40 #define	TS_SLEEP			TASK_INTERRUPTIBLE
41 #define	TS_RUN				TASK_RUNNING
42 #define	TS_ZOMB				EXIT_ZOMBIE
43 #define	TS_STOPPED			TASK_STOPPED
44 
45 typedef void (*thread_func_t)(void *);
46 
47 #define	thread_create_named(name, stk, stksize, func, arg, len,	\
48     pp, state, pri)	\
49 	__thread_create(stk, stksize, (thread_func_t)func,		\
50 	name, arg, len, pp, state, pri)
51 
52 /* BEGIN CSTYLED */
53 #define	thread_create(stk, stksize, func, arg, len, pp, state, pri)	\
54 	__thread_create(stk, stksize, (thread_func_t)func,		\
55 	#func, arg, len, pp, state, pri)
56 /* END CSTYLED */
57 
58 #define	thread_exit()			__thread_exit()
59 #define	thread_join(t)			VERIFY(0)
60 #define	curthread			current
61 #define	getcomm()			current->comm
62 #define	getpid()			current->pid
63 
64 extern kthread_t *__thread_create(caddr_t stk, size_t  stksize,
65     thread_func_t func, const char *name, void *args, size_t len, proc_t *pp,
66     int state, pri_t pri);
67 extern void __thread_exit(void);
68 extern struct task_struct *spl_kthread_create(int (*func)(void *),
69     void *data, const char namefmt[], ...);
70 
71 extern proc_t p0;
72 
73 #endif  /* _SPL_THREAD_H */
74