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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */
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/*
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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 _UAPICN_PROC_H
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#define _UAPICN_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 /* _UAPICN_PROC_H */
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