FreeBSD/Linux Kernel Cross Reference
sys/sys/pioctl.h
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 * $FreeBSD$
37 */
38
39 #ifndef _SYS_PIOCTL_H
40 # define _SYS_PIOCTL_H
41
42 #ifndef _KERNEL
43 #warning "<sys/pioctl.h> is deprecated, ptrace() should be used instead"
44 #endif
45
46 # include <sys/ioccom.h>
47
48 struct procfs_status {
49 int state; /* Running, stopped, something else? */
50 int flags; /* Any flags */
51 unsigned long events; /* Events to stop on */
52 int why; /* What event, if any, proc stopped on */
53 unsigned long val; /* Any extra data */
54 };
55
56 # define PIOCBIS _IOWINT('p', 1) /* Set event flag */
57 # define PIOCBIC _IOWINT('p', 2) /* Clear event flag */
58 # define PIOCSFL _IOWINT('p', 3) /* Set flags */
59 /* wait for proc to stop */
60 # define PIOCWAIT _IOR('p', 4, struct procfs_status)
61 # define PIOCCONT _IOWINT('p', 5) /* Continue a process */
62 /* Get proc status */
63 # define PIOCSTATUS _IOR('p', 6, struct procfs_status)
64 # define PIOCGFL _IOR('p', 7, unsigned int) /* Get flags */
65
66 # define S_EXEC 0x00000001 /* stop-on-exec */
67 # define S_SIG 0x00000002 /* stop-on-signal */
68 # define S_SCE 0x00000004 /* stop on syscall entry */
69 # define S_SCX 0x00000008 /* stop on syscall exit */
70 # define S_CORE 0x00000010 /* stop on coredump */
71 # define S_EXIT 0x00000020 /* stop on exit */
72 # define S_ALLSTOPS 0x003f /* stop on all events */
73
74 /*
75 * If PF_LINGER is set in procp->p_pfsflags, then the last close
76 * of a /proc/<pid>/mem file will not clear out the stops and continue
77 * the process.
78 */
79
80 # define PF_LINGER 0x01 /* Keep stops around after last close */
81 # define PF_ISUGID 0x02 /* Ignore UID/GID changes */
82 # define PF_FORK 0x04 /* Retain settings on fork() */
83 #endif
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