procctl.h revision 283927 
1/*-
2 * Copyright (c) 2013 Hudson River Trading 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 283927 2015-06-02 19:20:39Z jhb $
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#define	PROC_TRACE_CTL		7	/* en/dis ptrace and coredumps */
45#define	PROC_TRACE_STATUS	8	/* query tracing status */
46
47/* Operations for PROC_SPROTECT (passed in integer arg). */
48#define	PPROT_OP(x)	((x) & 0xf)
49#define	PPROT_SET	1
50#define	PPROT_CLEAR	2
51
52/* Flags for PROC_SPROTECT (ORed in with operation). */
53#define	PPROT_FLAGS(x)	((x) & ~0xf)
54#define	PPROT_DESCEND	0x10
55#define	PPROT_INHERIT	0x20
56
57/* Result of PREAP_STATUS (returned by value). */
58struct procctl_reaper_status {
59	u_int	rs_flags;
60	u_int	rs_children;
61	u_int	rs_descendants;
62	pid_t	rs_reaper;
63	pid_t	rs_pid;
64	u_int	rs_pad0[15];
65};
66
67/* struct procctl_reaper_status rs_flags */
68#define	REAPER_STATUS_OWNED	0x00000001
69#define	REAPER_STATUS_REALINIT	0x00000002
70
71struct procctl_reaper_pidinfo {
72	pid_t	pi_pid;
73	pid_t	pi_subtree;
74	u_int	pi_flags;
75	u_int	pi_pad0[15];
76};
77
78#define	REAPER_PIDINFO_VALID	0x00000001
79#define	REAPER_PIDINFO_CHILD	0x00000002
80
81struct procctl_reaper_pids {
82	u_int	rp_count;
83	u_int	rp_pad0[15];
84	struct procctl_reaper_pidinfo *rp_pids;
85};
86
87struct procctl_reaper_kill {
88	int	rk_sig;		/* in  - signal to send */
89	u_int	rk_flags;	/* in  - REAPER_KILL flags */
90	pid_t	rk_subtree;	/* in  - subtree, if REAPER_KILL_SUBTREE */
91	u_int	rk_killed;	/* out - count of processes sucessfully
92				   killed */
93	pid_t	rk_fpid;	/* out - first failed pid for which error
94				   is returned */
95	u_int	rk_pad0[15];
96};
97
98#define	REAPER_KILL_CHILDREN	0x00000001
99#define	REAPER_KILL_SUBTREE	0x00000002
100
101#define	PROC_TRACE_CTL_ENABLE		1
102#define	PROC_TRACE_CTL_DISABLE		2
103#define	PROC_TRACE_CTL_DISABLE_EXEC	3
104
105#ifndef _KERNEL
106__BEGIN_DECLS
107int	procctl(idtype_t, id_t, int, void *);
108__END_DECLS
109
110#endif
111
112#endif /* !_SYS_PROCCTL_H_ */
113