xref: /dragonfly/sys/sys/pioctl.h (revision 91dc43dd)
1 /*
2  * Copryight 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: src/sys/sys/pioctl.h,v 1.8 1999/08/28 00:51:55 peter Exp $
37  * $DragonFly: src/sys/sys/pioctl.h,v 1.3 2006/05/20 02:42:13 dillon Exp $
38  */
39 
40 #ifndef _SYS_PIOCTL_H_
41 #define _SYS_PIOCTL_H_
42 
43 # include <sys/ioccom.h>
44 
45 struct procfs_status {
46 	int	state;	/* Running, stopped, something else? */
47 	int	flags;	/* Any flags */
48 	unsigned long	events;	/* Events to stop on */
49 	int	why;	/* What event, if any, proc stopped on */
50 	unsigned long	val;	/* Any extra data */
51 };
52 
53 # define	PIOCBIS	_IOC(IOC_IN, 'p', 1, 0)	/* Set event flag */
54 # define	PIOCBIC	_IOC(IOC_IN, 'p', 2, 0)	/* Clear event flag */
55 # define	PIOCSFL	_IOC(IOC_IN, 'p', 3, 0)	/* Set flags */
56 			/* wait for proc to stop */
57 # define	PIOCWAIT	_IOR('p', 4, struct procfs_status)
58 # define	PIOCCONT	_IOC(IOC_IN, 'p', 5, 0)	/* Continue a process */
59 			/* Get proc status */
60 # define	PIOCSTATUS	_IOR('p', 6, struct procfs_status)
61 # define	PIOCGFL	_IOR('p', 7, unsigned int)	/* Get flags */
62 
63 # define S_EXEC	0x00000001	/* stop-on-exec */
64 # define	S_SIG	0x00000002	/* stop-on-signal */
65 # define	S_SCE	0x00000004	/* stop on syscall entry */
66 # define	S_SCX	0x00000008	/* stop on syscall exit */
67 # define	S_CORE	0x00000010	/* stop on coredump */
68 # define	S_EXIT	0x00000020	/* stop on exit */
69 
70 /*
71  * If PF_LINGER is set in procp->p_pfsflags, then the last close
72  * of a /proc/<pid>/mem file will nto 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 
79 #endif
80