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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [cn_proc.h] - Blame information for rev 62

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/*
 * cn_proc.h - process events connector
 *
 * Copyright (C) Matt Helsley, IBM Corp. 2005
 * Based on cn_fork.h by Nguyen Anh Quynh and Guillaume Thouvenin
 * Copyright (C) 2005 Nguyen Anh Quynh <aquynh@gmail.com>
 * Copyright (C) 2005 Guillaume Thouvenin <guillaume.thouvenin@bull.net>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2.1 of the GNU Lesser General Public License
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */
 
#ifndef CN_PROC_H
#define CN_PROC_H
 
#include <linux/types.h>
 
/*
 * Userspace sends this enum to register with the kernel that it is listening
 * for events on the connector.
 */
enum proc_cn_mcast_op {
        PROC_CN_MCAST_LISTEN = 1,
        PROC_CN_MCAST_IGNORE = 2
};
 
/*
 * From the user's point of view, the process
 * ID is the thread group ID and thread ID is the internal
 * kernel "pid". So, fields are assigned as follow:
 *
 *  In user space     -  In  kernel space
 *
 * parent process ID  =  parent->tgid
 * parent thread  ID  =  parent->pid
 * child  process ID  =  child->tgid
 * child  thread  ID  =  child->pid
 */
 
struct proc_event {
        enum what {
                /* Use successive bits so the enums can be used to record
                 * sets of events as well
                 */
                PROC_EVENT_NONE = 0x00000000,
                PROC_EVENT_FORK = 0x00000001,
                PROC_EVENT_EXEC = 0x00000002,
                PROC_EVENT_UID  = 0x00000004,
                PROC_EVENT_GID  = 0x00000040,
                /* "next" should be 0x00000400 */
                /* "last" is the last process event: exit */
                PROC_EVENT_EXIT = 0x80000000
        } what;
        __u32 cpu;
        __u64 __attribute__((aligned(8))) timestamp_ns;
                /* Number of nano seconds since system boot */
        union { /* must be last field of proc_event struct */
                struct {
                        __u32 err;
                } ack;
 
                struct fork_proc_event {
                        pid_t parent_pid;
                        pid_t parent_tgid;
                        pid_t child_pid;
                        pid_t child_tgid;
                } fork;
 
                struct exec_proc_event {
                        pid_t process_pid;
                        pid_t process_tgid;
                } exec;
 
                struct id_proc_event {
                        pid_t process_pid;
                        pid_t process_tgid;
                        union {
                                __u32 ruid; /* task uid */
                                __u32 rgid; /* task gid */
                        } r;
                        union {
                                __u32 euid;
                                __u32 egid;
                        } e;
                } id;
 
                struct exit_proc_event {
                        pid_t process_pid;
                        pid_t process_tgid;
                        __u32 exit_code, exit_signal;
                } exit;
        } event_data;
};
 
#ifdef __KERNEL__
#ifdef CONFIG_PROC_EVENTS
void proc_fork_connector(struct task_struct *task);
void proc_exec_connector(struct task_struct *task);
void proc_id_connector(struct task_struct *task, int which_id);
void proc_exit_connector(struct task_struct *task);
#else
static inline void proc_fork_connector(struct task_struct *task)
{}
 
static inline void proc_exec_connector(struct task_struct *task)
{}
 
static inline void proc_id_connector(struct task_struct *task,
                                     int which_id)
{}
 
static inline void proc_exit_connector(struct task_struct *task)
{}
#endif  /* CONFIG_PROC_EVENTS */
#endif  /* __KERNEL__ */
#endif  /* CN_PROC_H */

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
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 CN_PROC_H`
19			`#define CN_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			`*/`
27			`enum 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
45			`struct 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			`/* "next" should be 0x00000400 */`
56			`/* "last" is the last process event: exit */`
57			`PROC_EVENT_EXIT = 0x80000000`
58			`} what;`
59			`__u32 cpu;`
60			`__u64 __attribute__((aligned(8))) timestamp_ns;`
61			`/* Number of nano seconds since system boot */`
62			`union { /* must be last field of proc_event struct */`
63			`struct {`
64			`__u32 err;`
65			`} ack;`
66
67			`struct fork_proc_event {`
68			`pid_t parent_pid;`
69			`pid_t parent_tgid;`
70			`pid_t child_pid;`
71			`pid_t child_tgid;`
72			`} fork;`
73
74			`struct exec_proc_event {`
75			`pid_t process_pid;`
76			`pid_t process_tgid;`
77			`} exec;`
78
79			`struct id_proc_event {`
80			`pid_t process_pid;`
81			`pid_t process_tgid;`
82			`union {`
83			`__u32 ruid; /* task uid */`
84			`__u32 rgid; /* task gid */`
85			`} r;`
86			`union {`
87			`__u32 euid;`
88			`__u32 egid;`
89			`} e;`
90			`} id;`
91
92			`struct exit_proc_event {`
93			`pid_t process_pid;`
94			`pid_t process_tgid;`
95			`__u32 exit_code, exit_signal;`
96			`} exit;`
97			`} event_data;`
98			`};`
99
100			`#ifdef __KERNEL__`
101			`#ifdef CONFIG_PROC_EVENTS`
102			`void proc_fork_connector(struct task_struct *task);`
103			`void proc_exec_connector(struct task_struct *task);`
104			`void proc_id_connector(struct task_struct *task, int which_id);`
105			`void proc_exit_connector(struct task_struct *task);`
106			`#else`
107			`static inline void proc_fork_connector(struct task_struct *task)`
108			`{}`
109
110			`static inline void proc_exec_connector(struct task_struct *task)`
111			`{}`
112
113			`static inline void proc_id_connector(struct task_struct *task,`
114			`int which_id)`
115			`{}`
116
117			`static inline void proc_exit_connector(struct task_struct *task)`
118			`{}`
119			`#endif /* CONFIG_PROC_EVENTS */`
120			`#endif /* __KERNEL__ */`
121			`#endif /* CN_PROC_H */`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [cn_proc.h] - Blame information for rev 62