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 * $FreeBSD$
27 */
28
29 #ifndef _LINUXKPI_LINUX_PID_H_
30 #define _LINUXKPI_LINUX_PID_H_
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/proc.h>
35
36 enum 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
66 struct task_struct;
67 extern struct task_struct *linux_pid_task(pid_t);
68 extern struct task_struct *linux_get_pid_task(pid_t);
69
70 #endif /* _LINUXKPI_LINUX_PID_H_ */
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