pioctl.h revision 331722 
1/*-
2 * Copyright 1997 Sean Eric Fagan
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 * 3. All advertising materials mentioning features or use of this software
13 *    must display the following acknowledgement:
14 *	This product includes software developed by Sean Eric Fagan
15 * 4. Neither the name of the author may be used to endorse or promote
16 *    products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 */
32
33/*
34 * procfs ioctl definitions.
35 *
36 * $FreeBSD: stable/11/sys/sys/pioctl.h 331722 2018-03-29 02:50:57Z eadler $
37 */
38
39#ifndef _SYS_PIOCTL_H
40# define _SYS_PIOCTL_H
41
42# include <sys/ioccom.h>
43
44struct procfs_status {
45	int	state;	/* Running, stopped, something else? */
46	int	flags;	/* Any flags */
47	unsigned long	events;	/* Events to stop on */
48	int	why;	/* What event, if any, proc stopped on */
49	unsigned long	val;	/* Any extra data */
50};
51
52# define	PIOCBIS	_IOWINT('p', 1)	/* Set event flag */
53# define	PIOCBIC	_IOWINT('p', 2)	/* Clear event flag */
54# define	PIOCSFL	_IOWINT('p', 3)	/* Set flags */
55			/* wait for proc to stop */
56# define	PIOCWAIT	_IOR('p', 4, struct procfs_status)
57# define	PIOCCONT	_IOWINT('p', 5)	/* Continue a process */
58			/* Get proc status */
59# define	PIOCSTATUS	_IOR('p', 6, struct procfs_status)
60# define	PIOCGFL	_IOR('p', 7, unsigned int)	/* Get flags */
61
62# define	S_EXEC	0x00000001	/* stop-on-exec */
63# define	S_SIG	0x00000002	/* stop-on-signal */
64# define	S_SCE	0x00000004	/* stop on syscall entry */
65# define	S_SCX	0x00000008	/* stop on syscall exit */
66# define	S_CORE	0x00000010	/* stop on coredump */
67# define	S_EXIT	0x00000020	/* stop on exit */
68# define	S_ALLSTOPS  0x003f	/* stop on all events */
69
70/*
71 * If PF_LINGER is set in procp->p_pfsflags, then the last close
72 * of a /proc/<pid>/mem file will not clear out the stops and continue
73 * the process.
74 */
75
76# define PF_LINGER	0x01	/* Keep stops around after last close */
77# define PF_ISUGID	0x02	/* Ignore UID/GID changes */
78# define PF_FORK	0x04	/* Retain settings on fork() */
79#endif
80