1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2017 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/11/sys/compat/linuxkpi/common/include/linux/kthread.h 328653 2018-02-01 13:01:44Z hselasky $
30 */
31#ifndef	_LINUX_KTHREAD_H_
32#define	_LINUX_KTHREAD_H_
33
34#include <linux/sched.h>
35
36#include <sys/unistd.h>
37#include <sys/kthread.h>
38
39#define	kthread_run(fn, data, fmt, ...)	({				\
40	struct task_struct *__task;					\
41	struct thread *__td;						\
42									\
43	if (kthread_add(linux_kthread_fn, NULL, NULL, &__td,		\
44	    RFSTOPPED, 0, fmt, ## __VA_ARGS__))				\
45		__task = NULL;						\
46	else								\
47		__task = linux_kthread_setup_and_run(__td, fn, data);	\
48	__task;								\
49})
50
51int linux_kthread_stop(struct task_struct *);
52bool linux_kthread_should_stop_task(struct task_struct *);
53bool linux_kthread_should_stop(void);
54int linux_kthread_park(struct task_struct *);
55void linux_kthread_parkme(void);
56bool linux_kthread_should_park(void);
57void linux_kthread_unpark(struct task_struct *);
58void linux_kthread_fn(void *);
59struct task_struct *linux_kthread_setup_and_run(struct thread *,
60    linux_task_fn_t *, void *arg);
61int linux_in_atomic(void);
62
63#define	kthread_stop(task)		linux_kthread_stop(task)
64#define	kthread_should_stop()		linux_kthread_should_stop()
65#define	kthread_should_stop_task(task)	linux_kthread_should_stop_task(task)
66#define	kthread_park(task)		linux_kthread_park(task)
67#define	kthread_parkme()		linux_kthread_parkme()
68#define	kthread_should_park()		linux_kthread_should_park()
69#define	kthread_unpark(task)		linux_kthread_unpark(task)
70
71#define	in_atomic()			linux_in_atomic()
72
73#endif /* _LINUX_KTHREAD_H_ */
74