pioctl.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright 1997 Sean Eric Fagan
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by Sean Eric Fagan
17 * 4. Neither the name of the author may be used to endorse or promote
18 *    products derived from this software without specific prior written
19 *    permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 */
34
35/*
36 * procfs ioctl definitions.
37 *
38 * $FreeBSD: stable/11/sys/sys/pioctl.h 330897 2018-03-14 03:19:51Z eadler $
39 */
40
41#ifndef _SYS_PIOCTL_H
42# define _SYS_PIOCTL_H
43
44# include <sys/ioccom.h>
45
46struct procfs_status {
47	int	state;	/* Running, stopped, something else? */
48	int	flags;	/* Any flags */
49	unsigned long	events;	/* Events to stop on */
50	int	why;	/* What event, if any, proc stopped on */
51	unsigned long	val;	/* Any extra data */
52};
53
54# define	PIOCBIS	_IOWINT('p', 1)	/* Set event flag */
55# define	PIOCBIC	_IOWINT('p', 2)	/* Clear event flag */
56# define	PIOCSFL	_IOWINT('p', 3)	/* Set flags */
57			/* wait for proc to stop */
58# define	PIOCWAIT	_IOR('p', 4, struct procfs_status)
59# define	PIOCCONT	_IOWINT('p', 5)	/* Continue a process */
60			/* Get proc status */
61# define	PIOCSTATUS	_IOR('p', 6, struct procfs_status)
62# define	PIOCGFL	_IOR('p', 7, unsigned int)	/* Get flags */
63
64# define	S_EXEC	0x00000001	/* stop-on-exec */
65# define	S_SIG	0x00000002	/* stop-on-signal */
66# define	S_SCE	0x00000004	/* stop on syscall entry */
67# define	S_SCX	0x00000008	/* stop on syscall exit */
68# define	S_CORE	0x00000010	/* stop on coredump */
69# define	S_EXIT	0x00000020	/* stop on exit */
70# define	S_ALLSTOPS  0x003f	/* stop on all events */
71
72/*
73 * If PF_LINGER is set in procp->p_pfsflags, then the last close
74 * of a /proc/<pid>/mem file will not clear out the stops and continue
75 * the process.
76 */
77
78# define PF_LINGER	0x01	/* Keep stops around after last close */
79# define PF_ISUGID	0x02	/* Ignore UID/GID changes */
80# define PF_FORK	0x04	/* Retain settings on fork() */
81#endif
82