2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright 1997 Sean Eric Fagan
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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
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
36 * procfs ioctl definitions.
42 # define _SYS_PIOCTL_H
45 #warning "<sys/pioctl.h> is deprecated, ptrace() should be used instead"
48 # include <sys/ioccom.h>
50 struct procfs_status {
51 int state; /* Running, stopped, something else? */
52 int flags; /* Any flags */
53 unsigned long events; /* Events to stop on */
54 int why; /* What event, if any, proc stopped on */
55 unsigned long val; /* Any extra data */
58 # define PIOCBIS _IOWINT('p', 1) /* Set event flag */
59 # define PIOCBIC _IOWINT('p', 2) /* Clear event flag */
60 # define PIOCSFL _IOWINT('p', 3) /* Set flags */
61 /* wait for proc to stop */
62 # define PIOCWAIT _IOR('p', 4, struct procfs_status)
63 # define PIOCCONT _IOWINT('p', 5) /* Continue a process */
65 # define PIOCSTATUS _IOR('p', 6, struct procfs_status)
66 # define PIOCGFL _IOR('p', 7, unsigned int) /* Get flags */
68 # define S_EXEC 0x00000001 /* stop-on-exec */
69 # define S_SIG 0x00000002 /* stop-on-signal */
70 # define S_SCE 0x00000004 /* stop on syscall entry */
71 # define S_SCX 0x00000008 /* stop on syscall exit */
72 # define S_CORE 0x00000010 /* stop on coredump */
73 # define S_EXIT 0x00000020 /* stop on exit */
74 # define S_ALLSTOPS 0x003f /* stop on all events */
77 * If PF_LINGER is set in procp->p_pfsflags, then the last close
78 * of a /proc/<pid>/mem file will not clear out the stops and continue
82 # define PF_LINGER 0x01 /* Keep stops around after last close */
83 # define PF_ISUGID 0x02 /* Ignore UID/GID changes */
84 # define PF_FORK 0x04 /* Retain settings on fork() */