2 * cn_proc.h - process events connector
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>
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.
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.
21 #include <linux/types.h>
24 * Userspace sends this enum to register with the kernel that it is listening
25 * for events on the connector.
27 enum proc_cn_mcast_op {
28 PROC_CN_MCAST_LISTEN = 1,
29 PROC_CN_MCAST_IGNORE = 2
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:
37 * In user space - In kernel space
39 * parent process ID = parent->tgid
40 * parent thread ID = parent->pid
41 * child process ID = child->tgid
42 * child thread ID = child->pid
47 /* Use successive bits so the enums can be used to record
48 * sets of events as well
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 /* "next" should be 0x00000400 */
56 /* "last" is the last process event: exit */
57 PROC_EVENT_EXIT = 0x80000000
60 struct timespec timestamp;
61 union { /* must be last field of proc_event struct */
66 struct fork_proc_event {
73 struct exec_proc_event {
78 struct id_proc_event {
82 __u32 ruid; /* task uid */
83 __u32 rgid; /* task gid */
91 struct exit_proc_event {
94 __u32 exit_code, exit_signal;
100 #ifdef CONFIG_PROC_EVENTS
101 void proc_fork_connector(struct task_struct *task);
102 void proc_exec_connector(struct task_struct *task);
103 void proc_id_connector(struct task_struct *task, int which_id);
104 void proc_exit_connector(struct task_struct *task);
106 static inline void proc_fork_connector(struct task_struct *task)
109 static inline void proc_exec_connector(struct task_struct *task)
112 static inline void proc_id_connector(struct task_struct *task,
116 static inline void proc_exit_connector(struct task_struct *task)
118 #endif /* CONFIG_PROC_EVENTS */
119 #endif /* __KERNEL__ */
120 #endif /* CN_PROC_H */