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[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [linux-headers/] [include/] [linux/] [cn_proc.h] - Blame information for rev 13

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1 13 serginhofr 
/*
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 * cn_proc.h - process events connector
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 *
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 * Copyright (C) Matt Helsley, IBM Corp. 2005
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 * Based on cn_fork.h by Nguyen Anh Quynh and Guillaume Thouvenin
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 * Copyright (C) 2005 Nguyen Anh Quynh <aquynh@gmail.com>
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 * Copyright (C) 2005 Guillaume Thouvenin <guillaume.thouvenin@bull.net>
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms of version 2.1 of the GNU Lesser General Public License
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 * as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope that it would be useful, but
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 * WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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 */
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#ifndef CN_PROC_H
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#define CN_PROC_H
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#include <linux/types.h>
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/*
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 * Userspace sends this enum to register with the kernel that it is listening
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 * for events on the connector.
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 */
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enum proc_cn_mcast_op {
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        PROC_CN_MCAST_LISTEN = 1,
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        PROC_CN_MCAST_IGNORE = 2
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};
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/*
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 * From the user's point of view, the process
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 * ID is the thread group ID and thread ID is the internal
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 * kernel "pid". So, fields are assigned as follow:
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 *
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 *  In user space     -  In  kernel space
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 *
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 * parent process ID  =  parent->tgid
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 * parent thread  ID  =  parent->pid
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 * child  process ID  =  child->tgid
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 * child  thread  ID  =  child->pid
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 */
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struct proc_event {
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        enum what {
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                /* Use successive bits so the enums can be used to record
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                 * sets of events as well
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                 */
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                PROC_EVENT_NONE = 0x00000000,
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                PROC_EVENT_FORK = 0x00000001,
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                PROC_EVENT_EXEC = 0x00000002,
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                PROC_EVENT_UID  = 0x00000004,
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                PROC_EVENT_GID  = 0x00000040,
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                PROC_EVENT_SID  = 0x00000080,
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                PROC_EVENT_PTRACE = 0x00000100,
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                PROC_EVENT_COMM = 0x00000200,
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                /* "next" should be 0x00000400 */
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                /* "last" is the last process event: exit,
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                 * while "next to last" is coredumping event */
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                PROC_EVENT_COREDUMP = 0x40000000,
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                PROC_EVENT_EXIT = 0x80000000
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        } what;
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        __u32 cpu;
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        __u64 __attribute__((aligned(8))) timestamp_ns;
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                /* Number of nano seconds since system boot */
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        union { /* must be last field of proc_event struct */
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                struct {
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                        __u32 err;
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                } ack;
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                struct fork_proc_event {
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                        __kernel_pid_t parent_pid;
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                        __kernel_pid_t parent_tgid;
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                        __kernel_pid_t child_pid;
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                        __kernel_pid_t child_tgid;
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                } fork;
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                struct exec_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                } exec;
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                struct id_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                        union {
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                                __u32 ruid; /* task uid */
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                                __u32 rgid; /* task gid */
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                        } r;
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                        union {
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                                __u32 euid;
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                                __u32 egid;
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                        } e;
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                } id;
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                struct sid_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                } sid;
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                struct ptrace_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                        __kernel_pid_t tracer_pid;
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                        __kernel_pid_t tracer_tgid;
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                } ptrace;
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                struct comm_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                        char           comm[16];
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                } comm;
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                struct coredump_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                } coredump;
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                struct exit_proc_event {
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                        __kernel_pid_t process_pid;
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                        __kernel_pid_t process_tgid;
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                        __u32 exit_code, exit_signal;
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                } exit;
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        } event_data;
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};
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#endif /* CN_PROC_H */

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