procctl.h revision 276686 
1/*-
2 * Copyright (c) 2013 Advanced Computing Technologies LLC
3 * Written by: John H. Baldwin <jhb@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/10/sys/sys/procctl.h 276686 2015-01-05 03:27:09Z kib $
28 */
29
30#ifndef	_SYS_PROCCTL_H_
31#define	_SYS_PROCCTL_H_
32
33#ifndef _KERNEL
34#include <sys/types.h>
35#include <sys/wait.h>
36#endif
37
38#define	PROC_SPROTECT		1	/* set protected state */
39#define	PROC_REAP_ACQUIRE	2	/* reaping enable */
40#define	PROC_REAP_RELEASE	3	/* reaping disable */
41#define	PROC_REAP_STATUS	4	/* reaping status */
42#define	PROC_REAP_GETPIDS	5	/* get descendants */
43#define	PROC_REAP_KILL		6	/* kill descendants */
44
45/* Operations for PROC_SPROTECT (passed in integer arg). */
46#define	PPROT_OP(x)	((x) & 0xf)
47#define	PPROT_SET	1
48#define	PPROT_CLEAR	2
49
50/* Flags for PROC_SPROTECT (ORed in with operation). */
51#define	PPROT_FLAGS(x)	((x) & ~0xf)
52#define	PPROT_DESCEND	0x10
53#define	PPROT_INHERIT	0x20
54
55/* Result of PREAP_STATUS (returned by value). */
56struct procctl_reaper_status {
57	u_int	rs_flags;
58	u_int	rs_children;
59	u_int	rs_descendants;
60	pid_t	rs_reaper;
61	pid_t	rs_pid;
62	u_int	rs_pad0[15];
63};
64
65/* struct procctl_reaper_status rs_flags */
66#define	REAPER_STATUS_OWNED	0x00000001
67#define	REAPER_STATUS_REALINIT	0x00000002
68
69struct procctl_reaper_pidinfo {
70	pid_t	pi_pid;
71	pid_t	pi_subtree;
72	u_int	pi_flags;
73	u_int	pi_pad0[15];
74};
75
76#define	REAPER_PIDINFO_VALID	0x00000001
77#define	REAPER_PIDINFO_CHILD	0x00000002
78
79struct procctl_reaper_pids {
80	u_int	rp_count;
81	u_int	rp_pad0[15];
82	struct procctl_reaper_pidinfo *rp_pids;
83};
84
85struct procctl_reaper_kill {
86	int	rk_sig;		/* in  - signal to send */
87	u_int	rk_flags;	/* in  - REAPER_KILL flags */
88	pid_t	rk_subtree;	/* in  - subtree, if REAPER_KILL_SUBTREE */
89	u_int	rk_killed;	/* out - count of processes sucessfully
90				   killed */
91	pid_t	rk_fpid;	/* out - first failed pid for which error
92				   is returned */
93	u_int	rk_pad0[15];
94};
95
96#define	REAPER_KILL_CHILDREN	0x00000001
97#define	REAPER_KILL_SUBTREE	0x00000002
98
99#ifndef _KERNEL
100__BEGIN_DECLS
101int	procctl(idtype_t, id_t, int, void *);
102__END_DECLS
103
104#endif
105
106#endif /* !_SYS_PROCCTL_H_ */
107