1/*-
2 * Copyright (c) 2017 Mellanox Technologies, Ltd.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/compat/linuxkpi/common/include/linux/pid.h 329963 2018-02-25 10:28:06Z hselasky $
27 */
28
29#ifndef	_LINUX_PID_H_
30#define	_LINUX_PID_H_
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/proc.h>
35
36enum pid_type {
37	PIDTYPE_PID,
38	PIDTYPE_PGID,
39	PIDTYPE_SID,
40	PIDTYPE_MAX
41};
42
43#define	pid_nr(n) (n)
44#define	pid_vnr(n) (n)
45#define	from_kuid_munged(a, uid) (uid)
46
47#define	pid_task(pid, type) ({			\
48	struct task_struct *__ts;		\
49	CTASSERT((type) == PIDTYPE_PID);	\
50	__ts = linux_pid_task(pid);		\
51	__ts;					\
52})
53
54#define	get_pid_task(pid, type) ({		\
55	struct task_struct *__ts;		\
56	CTASSERT((type) == PIDTYPE_PID);	\
57	__ts = linux_get_pid_task(pid);		\
58	__ts;					\
59})
60
61#define	get_task_pid(task, type) ({		\
62	CTASSERT((type) == PIDTYPE_PID);	\
63	(task)->task_thread->td_tid;		\
64})
65
66struct task_struct;
67extern struct task_struct *linux_pid_task(pid_t);
68extern struct task_struct *linux_get_pid_task(pid_t);
69
70#endif					/* _LINUX_PID_H_ */
71