2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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>
9 * Portions of this software were developed by Konstantin Belousov
10 * under sponsorship from the FreeBSD Foundation.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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
36 #ifndef _SYS_PROCCTL_H_
37 #define _SYS_PROCCTL_H_
40 #include <sys/types.h>
44 /* MD PROCCTL verbs start at 0x10000000 */
45 #define PROC_PROCCTL_MD_MIN 0x10000000
46 #include <machine/procctl.h>
48 #define PROC_SPROTECT 1 /* set protected state */
49 #define PROC_REAP_ACQUIRE 2 /* reaping enable */
50 #define PROC_REAP_RELEASE 3 /* reaping disable */
51 #define PROC_REAP_STATUS 4 /* reaping status */
52 #define PROC_REAP_GETPIDS 5 /* get descendants */
53 #define PROC_REAP_KILL 6 /* kill descendants */
54 #define PROC_TRACE_CTL 7 /* en/dis ptrace and coredumps */
55 #define PROC_TRACE_STATUS 8 /* query tracing status */
56 #define PROC_TRAPCAP_CTL 9 /* trap capability errors */
57 #define PROC_TRAPCAP_STATUS 10 /* query trap capability status */
58 #define PROC_PDEATHSIG_CTL 11 /* set parent death signal */
59 #define PROC_PDEATHSIG_STATUS 12 /* get parent death signal */
60 #define PROC_ASLR_CTL 13 /* en/dis ASLR */
61 #define PROC_ASLR_STATUS 14 /* query ASLR status */
62 #define PROC_PROTMAX_CTL 15 /* en/dis implicit PROT_MAX */
63 #define PROC_PROTMAX_STATUS 16 /* query implicit PROT_MAX status */
64 #define PROC_STACKGAP_CTL 17 /* en/dis stack gap on MAP_STACK */
65 #define PROC_STACKGAP_STATUS 18 /* query stack gap */
67 /* Operations for PROC_SPROTECT (passed in integer arg). */
68 #define PPROT_OP(x) ((x) & 0xf)
72 /* Flags for PROC_SPROTECT (ORed in with operation). */
73 #define PPROT_FLAGS(x) ((x) & ~0xf)
74 #define PPROT_DESCEND 0x10
75 #define PPROT_INHERIT 0x20
77 /* Result of PREAP_STATUS (returned by value). */
78 struct procctl_reaper_status {
87 /* struct procctl_reaper_status rs_flags */
88 #define REAPER_STATUS_OWNED 0x00000001
89 #define REAPER_STATUS_REALINIT 0x00000002
91 struct procctl_reaper_pidinfo {
98 #define REAPER_PIDINFO_VALID 0x00000001
99 #define REAPER_PIDINFO_CHILD 0x00000002
100 #define REAPER_PIDINFO_REAPER 0x00000004
102 struct procctl_reaper_pids {
105 struct procctl_reaper_pidinfo *rp_pids;
108 struct procctl_reaper_kill {
109 int rk_sig; /* in - signal to send */
110 u_int rk_flags; /* in - REAPER_KILL flags */
111 pid_t rk_subtree; /* in - subtree, if REAPER_KILL_SUBTREE */
112 u_int rk_killed; /* out - count of processes successfully
114 pid_t rk_fpid; /* out - first failed pid for which error
119 #define REAPER_KILL_CHILDREN 0x00000001
120 #define REAPER_KILL_SUBTREE 0x00000002
122 #define PROC_TRACE_CTL_ENABLE 1
123 #define PROC_TRACE_CTL_DISABLE 2
124 #define PROC_TRACE_CTL_DISABLE_EXEC 3
126 #define PROC_TRAPCAP_CTL_ENABLE 1
127 #define PROC_TRAPCAP_CTL_DISABLE 2
129 #define PROC_ASLR_FORCE_ENABLE 1
130 #define PROC_ASLR_FORCE_DISABLE 2
131 #define PROC_ASLR_NOFORCE 3
132 #define PROC_ASLR_ACTIVE 0x80000000
134 #define PROC_PROTMAX_FORCE_ENABLE 1
135 #define PROC_PROTMAX_FORCE_DISABLE 2
136 #define PROC_PROTMAX_NOFORCE 3
137 #define PROC_PROTMAX_ACTIVE 0x80000000
139 #define PROC_STACKGAP_ENABLE 0x0001
140 #define PROC_STACKGAP_DISABLE 0x0002
141 #define PROC_STACKGAP_ENABLE_EXEC 0x0004
142 #define PROC_STACKGAP_DISABLE_EXEC 0x0008
146 int procctl(idtype_t, id_t, int, void *);
151 #endif /* !_SYS_PROCCTL_H_ */