procctl.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 Hudson River Trading LLC
5 * Copyright (c) 2014, 2016 The FreeBSD Foundation
6 * Written by: John H. Baldwin <jhb@FreeBSD.org>
7 * All rights reserved.
8 *
9 * Portions of this software were developed by Konstantin Belousov
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
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
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: stable/11/sys/sys/procctl.h 330897 2018-03-14 03:19:51Z eadler $
34 */
35
36#ifndef	_SYS_PROCCTL_H_
37#define	_SYS_PROCCTL_H_
38
39#ifndef _KERNEL
40#include <sys/types.h>
41#include <sys/wait.h>
42#endif
43
44#define	PROC_SPROTECT		1	/* set protected state */
45#define	PROC_REAP_ACQUIRE	2	/* reaping enable */
46#define	PROC_REAP_RELEASE	3	/* reaping disable */
47#define	PROC_REAP_STATUS	4	/* reaping status */
48#define	PROC_REAP_GETPIDS	5	/* get descendants */
49#define	PROC_REAP_KILL		6	/* kill descendants */
50#define	PROC_TRACE_CTL		7	/* en/dis ptrace and coredumps */
51#define	PROC_TRACE_STATUS	8	/* query tracing status */
52#define	PROC_TRAPCAP_CTL	9	/* trap capability errors */
53#define	PROC_TRAPCAP_STATUS	10	/* query trap capability status */
54
55/* Operations for PROC_SPROTECT (passed in integer arg). */
56#define	PPROT_OP(x)	((x) & 0xf)
57#define	PPROT_SET	1
58#define	PPROT_CLEAR	2
59
60/* Flags for PROC_SPROTECT (ORed in with operation). */
61#define	PPROT_FLAGS(x)	((x) & ~0xf)
62#define	PPROT_DESCEND	0x10
63#define	PPROT_INHERIT	0x20
64
65/* Result of PREAP_STATUS (returned by value). */
66struct procctl_reaper_status {
67	u_int	rs_flags;
68	u_int	rs_children;
69	u_int	rs_descendants;
70	pid_t	rs_reaper;
71	pid_t	rs_pid;
72	u_int	rs_pad0[15];
73};
74
75/* struct procctl_reaper_status rs_flags */
76#define	REAPER_STATUS_OWNED	0x00000001
77#define	REAPER_STATUS_REALINIT	0x00000002
78
79struct procctl_reaper_pidinfo {
80	pid_t	pi_pid;
81	pid_t	pi_subtree;
82	u_int	pi_flags;
83	u_int	pi_pad0[15];
84};
85
86#define	REAPER_PIDINFO_VALID	0x00000001
87#define	REAPER_PIDINFO_CHILD	0x00000002
88#define	REAPER_PIDINFO_REAPER	0x00000004
89
90struct procctl_reaper_pids {
91	u_int	rp_count;
92	u_int	rp_pad0[15];
93	struct procctl_reaper_pidinfo *rp_pids;
94};
95
96struct procctl_reaper_kill {
97	int	rk_sig;		/* in  - signal to send */
98	u_int	rk_flags;	/* in  - REAPER_KILL flags */
99	pid_t	rk_subtree;	/* in  - subtree, if REAPER_KILL_SUBTREE */
100	u_int	rk_killed;	/* out - count of processes successfully
101				   killed */
102	pid_t	rk_fpid;	/* out - first failed pid for which error
103				   is returned */
104	u_int	rk_pad0[15];
105};
106
107#define	REAPER_KILL_CHILDREN	0x00000001
108#define	REAPER_KILL_SUBTREE	0x00000002
109
110#define	PROC_TRACE_CTL_ENABLE		1
111#define	PROC_TRACE_CTL_DISABLE		2
112#define	PROC_TRACE_CTL_DISABLE_EXEC	3
113
114#define	PROC_TRAPCAP_CTL_ENABLE		1
115#define	PROC_TRAPCAP_CTL_DISABLE	2
116
117#ifndef _KERNEL
118__BEGIN_DECLS
119int	procctl(idtype_t, id_t, int, void *);
120__END_DECLS
121
122#endif
123
124#endif /* !_SYS_PROCCTL_H_ */
125