pioctl.h revision 302408
1168404Spjd/*-
2168404Spjd * Copyright 1997 Sean Eric Fagan
3168404Spjd *
4168404Spjd * Redistribution and use in source and binary forms, with or without
5185029Spjd * modification, are permitted provided that the following conditions
6185029Spjd * are met:
7168404Spjd * 1. Redistributions of source code must retain the above copyright
8168404Spjd *    notice, this list of conditions and the following disclaimer.
9168404Spjd * 2. Redistributions in binary form must reproduce the above copyright
10168404Spjd *    notice, this list of conditions and the following disclaimer in the
11168404Spjd *    documentation and/or other materials provided with the distribution.
12168404Spjd * 3. All advertising materials mentioning features or use of this software
13168404Spjd *    must display the following acknowledgement:
14168404Spjd *	This product includes software developed by Sean Eric Fagan
15168404Spjd * 4. Neither the name of the author may be used to endorse or promote
16168404Spjd *    products derived from this software without specific prior written
17168404Spjd *    permission.
18168404Spjd *
19168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22219089Spjd * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27219089Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28219089Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29219089Spjd * SUCH DAMAGE.
30219089Spjd *
31219089Spjd */
32168404Spjd
33168404Spjd/*
34168404Spjd * procfs ioctl definitions.
35168404Spjd *
36219089Spjd * $FreeBSD: stable/11/sys/sys/pioctl.h 217747 2011-01-23 12:44:17Z kib $
37219089Spjd */
38168404Spjd
39219089Spjd#ifndef _SYS_PIOCTL_H
40219089Spjd# define _SYS_PIOCTL_H
41219089Spjd
42168404Spjd# include <sys/ioccom.h>
43219089Spjd
44219089Spjdstruct procfs_status {
45219089Spjd	int	state;	/* Running, stopped, something else? */
46219089Spjd	int	flags;	/* Any flags */
47219089Spjd	unsigned long	events;	/* Events to stop on */
48219089Spjd	int	why;	/* What event, if any, proc stopped on */
49219089Spjd	unsigned long	val;	/* Any extra data */
50219089Spjd};
51219089Spjd
52219089Spjd# define	PIOCBIS	_IOWINT('p', 1)	/* Set event flag */
53219089Spjd# define	PIOCBIC	_IOWINT('p', 2)	/* Clear event flag */
54168404Spjd# 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