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gerrit-public.fairphone.software / kernel / msm-4.9 / fab840fc2d542fabcab903db8e03589a6702ba5f / . / include / uapi / linux / cn_proc.h
blob: f6c271035bbd2c5eb6deb10cf89b04b6fa0f710a [file] [log] [blame]
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]1/*
2 * cn_proc.h - process events connector
3 *
4 * Copyright (C) Matt Helsley, IBM Corp. 2005
5 * Based on cn_fork.h by Nguyen Anh Quynh and Guillaume Thouvenin
6 * Copyright (C) 2005 Nguyen Anh Quynh <aquynh@gmail.com>
7 * Copyright (C) 2005 Guillaume Thouvenin <guillaume.thouvenin@bull.net>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of version 2.1 of the GNU Lesser General Public License
11 * as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it would be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16 */
17
18#ifndef _UAPICN_PROC_H
19#define _UAPICN_PROC_H
20
21#include <linux/types.h>
22
23/*
24 * Userspace sends this enum to register with the kernel that it is listening
25 * for events on the connector.
26 */
27enum proc_cn_mcast_op {
28 PROC_CN_MCAST_LISTEN = 1,
29 PROC_CN_MCAST_IGNORE = 2
30};
31
32/*
33 * From the user's point of view, the process
34 * ID is the thread group ID and thread ID is the internal
35 * kernel "pid". So, fields are assigned as follow:
36 *
37 * In user space - In kernel space
38 *
39 * parent process ID = parent->tgid
40 * parent thread ID = parent->pid
41 * child process ID = child->tgid
42 * child thread ID = child->pid
43 */
44
45struct proc_event {
46 enum what {
47 /* Use successive bits so the enums can be used to record
48 * sets of events as well
49 */
50 PROC_EVENT_NONE = 0x00000000,
51 PROC_EVENT_FORK = 0x00000001,
52 PROC_EVENT_EXEC = 0x00000002,
53 PROC_EVENT_UID = 0x00000004,
54 PROC_EVENT_GID = 0x00000040,
55 PROC_EVENT_SID = 0x00000080,
56 PROC_EVENT_PTRACE = 0x00000100,
57 PROC_EVENT_COMM = 0x00000200,
58 /* "next" should be 0x00000400 */
Jesper Derehag2b5faa42013-03-19 20:50:05 +0000[diff] [blame]59 /* "last" is the last process event: exit,
60 * while "next to last" is coredumping event */
61 PROC_EVENT_COREDUMP = 0x40000000,
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]62 PROC_EVENT_EXIT = 0x80000000
63 } what;
64 __u32 cpu;
65 __u64 __attribute__((aligned(8))) timestamp_ns;
66 /* Number of nano seconds since system boot */
67 union { /* must be last field of proc_event struct */
68 struct {
69 __u32 err;
70 } ack;
71
72 struct fork_proc_event {
73 __kernel_pid_t parent_pid;
74 __kernel_pid_t parent_tgid;
75 __kernel_pid_t child_pid;
76 __kernel_pid_t child_tgid;
77 } fork;
78
79 struct exec_proc_event {
80 __kernel_pid_t process_pid;
81 __kernel_pid_t process_tgid;
82 } exec;
83
84 struct id_proc_event {
85 __kernel_pid_t process_pid;
86 __kernel_pid_t process_tgid;
87 union {
88 __u32 ruid; /* task uid */
89 __u32 rgid; /* task gid */
90 } r;
91 union {
92 __u32 euid;
93 __u32 egid;
94 } e;
95 } id;
96
97 struct sid_proc_event {
98 __kernel_pid_t process_pid;
99 __kernel_pid_t process_tgid;
100 } sid;
101
102 struct ptrace_proc_event {
103 __kernel_pid_t process_pid;
104 __kernel_pid_t process_tgid;
105 __kernel_pid_t tracer_pid;
106 __kernel_pid_t tracer_tgid;
107 } ptrace;
108
109 struct comm_proc_event {
110 __kernel_pid_t process_pid;
111 __kernel_pid_t process_tgid;
112 char comm[16];
113 } comm;
114
Jesper Derehag2b5faa42013-03-19 20:50:05 +0000[diff] [blame]115 struct coredump_proc_event {
116 __kernel_pid_t process_pid;
117 __kernel_pid_t process_tgid;
118 } coredump;
119
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]120 struct exit_proc_event {
121 __kernel_pid_t process_pid;
122 __kernel_pid_t process_tgid;
123 __u32 exit_code, exit_signal;
124 } exit;
Jesper Derehag2b5faa42013-03-19 20:50:05 +0000[diff] [blame]125
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]126 } event_data;
127};
128
129#endif /* _UAPICN_PROC_H */