FreeBSD/Linux Kernel Cross Reference
sys/sys/procctl.h
1 /*-
2 * Copyright (c) 2013 Hudson River Trading LLC
3 * Copyright (c) 2014, 2016 The FreeBSD Foundation
4 * Written by: John H. Baldwin <jhb@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Portions of this software were developed by Konstantin Belousov
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
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 * $FreeBSD$
32 */
33
34 #ifndef _SYS_PROCCTL_H_
35 #define _SYS_PROCCTL_H_
36
37 #ifndef _KERNEL
38 #include <sys/types.h>
39 #include <sys/wait.h>
40 #endif
41
42 #define PROC_SPROTECT 1 /* set protected state */
43 #define PROC_REAP_ACQUIRE 2 /* reaping enable */
44 #define PROC_REAP_RELEASE 3 /* reaping disable */
45 #define PROC_REAP_STATUS 4 /* reaping status */
46 #define PROC_REAP_GETPIDS 5 /* get descendants */
47 #define PROC_REAP_KILL 6 /* kill descendants */
48 #define PROC_TRACE_CTL 7 /* en/dis ptrace and coredumps */
49 #define PROC_TRACE_STATUS 8 /* query tracing status */
50 #define PROC_TRAPCAP_CTL 9 /* trap capability errors */
51 #define PROC_TRAPCAP_STATUS 10 /* query trap capability status */
52 #define PROC_PDEATHSIG_CTL 11 /* set parent death signal */
53 #define PROC_PDEATHSIG_STATUS 12 /* get parent death signal */
54 #define PROC_STACKGAP_CTL 17 /* en/dis stack gap on MAP_STACK */
55 #define PROC_STACKGAP_STATUS 18 /* query stack gap */
56
57 /* Operations for PROC_SPROTECT (passed in integer arg). */
58 #define PPROT_OP(x) ((x) & 0xf)
59 #define PPROT_SET 1
60 #define PPROT_CLEAR 2
61
62 /* Flags for PROC_SPROTECT (ORed in with operation). */
63 #define PPROT_FLAGS(x) ((x) & ~0xf)
64 #define PPROT_DESCEND 0x10
65 #define PPROT_INHERIT 0x20
66
67 /* Result of PREAP_STATUS (returned by value). */
68 struct procctl_reaper_status {
69 u_int rs_flags;
70 u_int rs_children;
71 u_int rs_descendants;
72 pid_t rs_reaper;
73 pid_t rs_pid;
74 u_int rs_pad0[15];
75 };
76
77 /* struct procctl_reaper_status rs_flags */
78 #define REAPER_STATUS_OWNED 0x00000001
79 #define REAPER_STATUS_REALINIT 0x00000002
80
81 struct procctl_reaper_pidinfo {
82 pid_t pi_pid;
83 pid_t pi_subtree;
84 u_int pi_flags;
85 u_int pi_pad0[15];
86 };
87
88 #define REAPER_PIDINFO_VALID 0x00000001
89 #define REAPER_PIDINFO_CHILD 0x00000002
90 #define REAPER_PIDINFO_REAPER 0x00000004
91
92 struct procctl_reaper_pids {
93 u_int rp_count;
94 u_int rp_pad0[15];
95 struct procctl_reaper_pidinfo *rp_pids;
96 };
97
98 struct procctl_reaper_kill {
99 int rk_sig; /* in - signal to send */
100 u_int rk_flags; /* in - REAPER_KILL flags */
101 pid_t rk_subtree; /* in - subtree, if REAPER_KILL_SUBTREE */
102 u_int rk_killed; /* out - count of processes successfully
103 killed */
104 pid_t rk_fpid; /* out - first failed pid for which error
105 is returned */
106 u_int rk_pad0[15];
107 };
108
109 #define REAPER_KILL_CHILDREN 0x00000001
110 #define REAPER_KILL_SUBTREE 0x00000002
111
112 #define PROC_TRACE_CTL_ENABLE 1
113 #define PROC_TRACE_CTL_DISABLE 2
114 #define PROC_TRACE_CTL_DISABLE_EXEC 3
115
116 #define PROC_TRAPCAP_CTL_ENABLE 1
117 #define PROC_TRAPCAP_CTL_DISABLE 2
118
119 #define PROC_STACKGAP_ENABLE 0x0001
120 #define PROC_STACKGAP_DISABLE 0x0002
121 #define PROC_STACKGAP_ENABLE_EXEC 0x0004
122 #define PROC_STACKGAP_DISABLE_EXEC 0x0008
123
124 #ifndef _KERNEL
125 __BEGIN_DECLS
126 int procctl(idtype_t, id_t, int, void *);
127 __END_DECLS
128
129 #endif
130
131 #endif /* !_SYS_PROCCTL_H_ */
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