| /* |
| * 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 { |
| __kernel_pid_t parent_pid; |
| __kernel_pid_t parent_tgid; |
| __kernel_pid_t child_pid; |
| __kernel_pid_t child_tgid; |
| } fork; |
| |
| struct exec_proc_event { |
| __kernel_pid_t process_pid; |
| __kernel_pid_t process_tgid; |
| } exec; |
| |
| struct id_proc_event { |
| __kernel_pid_t process_pid; |
| __kernel_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 { |
| __kernel_pid_t process_pid; |
| __kernel_pid_t process_tgid; |
| __u32 exit_code, exit_signal; |
| } exit; |
| } event_data; |
| }; |
| |
| #endif /* CN_PROC_H */ |