[39e6e65a] | 1 | /* |
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| 2 | * Copyright (c) 1989, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * This code is derived from software contributed to Berkeley by |
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| 6 | * Mike Karels at Berkeley Software Design, Inc. |
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| 7 | * |
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| 8 | * Redistribution and use in source and binary forms, with or without |
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| 9 | * modification, are permitted provided that the following conditions |
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| 10 | * are met: |
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| 11 | * 1. Redistributions of source code must retain the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer. |
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer in the |
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| 15 | * documentation and/or other materials provided with the distribution. |
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| 16 | * 4. Neither the name of the University nor the names of its contributors |
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| 17 | * may be used to endorse or promote products derived from this software |
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| 18 | * without specific prior written permission. |
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| 19 | * |
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| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 30 | * SUCH DAMAGE. |
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| 31 | * |
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| 32 | * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 |
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[dac1edb] | 33 | * $FreeBSD: src/sys/sys/sysctl.h,v 1.133 2004/10/11 22:04:16 peter Exp $ |
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[39e6e65a] | 34 | */ |
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| 35 | |
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| 36 | #ifndef _SYS_SYSCTL_H_ |
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| 37 | #define _SYS_SYSCTL_H_ |
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| 38 | |
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[1cb54d1f] | 39 | #include <stdint.h> |
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[8fc471a5] | 40 | #include <rtems/bsd/sys/queue.h> |
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[36799d4] | 41 | |
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| 42 | struct thread; |
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[39e6e65a] | 43 | /* |
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| 44 | * Definitions for sysctl call. The sysctl call uses a hierarchical name |
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| 45 | * for objects that can be examined or modified. The name is expressed as |
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| 46 | * a sequence of integers. Like a file path name, the meaning of each |
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| 47 | * component depends on its place in the hierarchy. The top-level and kern |
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| 48 | * identifiers are defined here, and other identifiers are defined in the |
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| 49 | * respective subsystem header files. |
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| 50 | */ |
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| 51 | |
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[d589e75] | 52 | #define CTL_MAXNAME 24 /* largest number of components supported */ |
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[39e6e65a] | 53 | |
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| 54 | /* |
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| 55 | * Each subsystem defined by sysctl defines a list of variables |
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| 56 | * for that subsystem. Each name is either a node with further |
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| 57 | * levels defined below it, or it is a leaf of some particular |
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| 58 | * type given below. Each sysctl level defines a set of name/type |
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[d589e75] | 59 | * pairs to be used by sysctl(8) in manipulating the subsystem. |
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[39e6e65a] | 60 | */ |
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| 61 | struct ctlname { |
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| 62 | char *ctl_name; /* subsystem name */ |
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| 63 | int ctl_type; /* type of name */ |
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| 64 | }; |
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| 65 | |
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| 66 | #define CTLTYPE 0xf /* Mask for the type */ |
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| 67 | #define CTLTYPE_NODE 1 /* name is a node */ |
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| 68 | #define CTLTYPE_INT 2 /* name describes an integer */ |
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| 69 | #define CTLTYPE_STRING 3 /* name describes a string */ |
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| 70 | #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ |
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| 71 | #define CTLTYPE_OPAQUE 5 /* name describes a structure */ |
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| 72 | #define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ |
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[36799d4] | 73 | #define CTLTYPE_UINT 6 /* name describes an unsigned integer */ |
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| 74 | #define CTLTYPE_LONG 7 /* name describes a long */ |
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| 75 | #define CTLTYPE_ULONG 8 /* name describes an unsigned long */ |
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[39e6e65a] | 76 | |
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| 77 | #define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ |
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| 78 | #define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ |
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| 79 | #define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) |
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| 80 | #define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ |
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| 81 | #define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ |
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[36799d4] | 82 | #define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ |
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| 83 | #define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */ |
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| 84 | #define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */ |
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| 85 | #define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */ |
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[d589e75] | 86 | #define CTLMASK_SECURE 0x00F00000 /* Secure level */ |
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| 87 | #define CTLFLAG_TUN 0x00080000 /* Tunable variable */ |
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| 88 | #define CTLFLAG_RDTUN (CTLFLAG_RD|CTLFLAG_TUN) |
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| 89 | |
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| 90 | /* |
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| 91 | * Secure level. Note that CTLFLAG_SECURE == CTLFLAG_SECURE1. |
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| 92 | * |
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| 93 | * Secure when the securelevel is raised to at least N. |
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| 94 | */ |
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| 95 | #define CTLSHIFT_SECURE 20 |
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| 96 | #define CTLFLAG_SECURE1 (CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE)) |
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| 97 | #define CTLFLAG_SECURE2 (CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE)) |
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| 98 | #define CTLFLAG_SECURE3 (CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE)) |
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[39e6e65a] | 99 | |
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| 100 | /* |
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| 101 | * USE THIS instead of a hardwired number from the categories below |
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| 102 | * to get dynamically assigned sysctl entries using the linker-set |
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| 103 | * technology. This is the way nearly all new sysctl variables should |
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[36799d4] | 104 | * be implemented. |
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[39e6e65a] | 105 | * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); |
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[dac1edb] | 106 | */ |
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[39e6e65a] | 107 | #define OID_AUTO (-1) |
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| 108 | |
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[36799d4] | 109 | /* |
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| 110 | * The starting number for dynamically-assigned entries. WARNING! |
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| 111 | * ALL static sysctl entries should have numbers LESS than this! |
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| 112 | */ |
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| 113 | #define CTL_AUTO_START 0x100 |
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| 114 | |
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[dc28f16] | 115 | #ifdef _KERNEL |
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[36799d4] | 116 | #define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \ |
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| 117 | struct sysctl_req *req |
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[39e6e65a] | 118 | |
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[0739963] | 119 | /* definitions for sysctl_req 'lock' member */ |
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| 120 | #define REQ_UNLOCKED 0 /* not locked and not wired */ |
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| 121 | #define REQ_LOCKED 1 /* locked and not wired */ |
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| 122 | #define REQ_WIRED 2 /* locked and wired */ |
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| 123 | |
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[39e6e65a] | 124 | /* |
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| 125 | * This describes the access space for a sysctl request. This is needed |
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| 126 | * so that we can use the interface from the kernel or from user-space. |
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| 127 | */ |
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| 128 | struct sysctl_req { |
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[36799d4] | 129 | struct thread *td; /* used for access checking */ |
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[0739963] | 130 | int lock; /* locking/wiring state */ |
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[39e6e65a] | 131 | void *oldptr; |
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[36799d4] | 132 | size_t oldlen; |
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| 133 | size_t oldidx; |
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| 134 | int (*oldfunc)(struct sysctl_req *, const void *, size_t); |
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[39e6e65a] | 135 | void *newptr; |
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[36799d4] | 136 | size_t newlen; |
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| 137 | size_t newidx; |
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| 138 | int (*newfunc)(struct sysctl_req *, void *, size_t); |
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[d589e75] | 139 | size_t validlen; |
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[39e6e65a] | 140 | }; |
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| 141 | |
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[36799d4] | 142 | SLIST_HEAD(sysctl_oid_list, sysctl_oid); |
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| 143 | |
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[39e6e65a] | 144 | /* |
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| 145 | * This describes one "oid" in the MIB tree. Potentially more nodes can |
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| 146 | * be hidden behind it, expanded by the handler. |
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| 147 | */ |
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| 148 | struct sysctl_oid { |
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[36799d4] | 149 | struct sysctl_oid_list *oid_parent; |
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| 150 | SLIST_ENTRY(sysctl_oid) oid_link; |
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[39e6e65a] | 151 | int oid_number; |
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[0e9384d] | 152 | uint32_t oid_kind; |
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[39e6e65a] | 153 | void *oid_arg1; |
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| 154 | int oid_arg2; |
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| 155 | const char *oid_name; |
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[36799d4] | 156 | int (*oid_handler)(SYSCTL_HANDLER_ARGS); |
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[39e6e65a] | 157 | const char *oid_fmt; |
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[36799d4] | 158 | int oid_refcnt; |
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| 159 | const char *descr; |
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[39e6e65a] | 160 | }; |
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| 161 | |
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[36799d4] | 162 | #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) |
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| 163 | #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) |
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[39e6e65a] | 164 | |
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[36799d4] | 165 | int sysctl_handle_int(SYSCTL_HANDLER_ARGS); |
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| 166 | int sysctl_handle_long(SYSCTL_HANDLER_ARGS); |
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| 167 | int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS); |
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| 168 | int sysctl_handle_string(SYSCTL_HANDLER_ARGS); |
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| 169 | int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS); |
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[39e6e65a] | 170 | |
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[36799d4] | 171 | /* |
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| 172 | * These functions are used to add/remove an oid from the mib. |
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| 173 | */ |
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| 174 | void sysctl_register_oid(struct sysctl_oid *oidp); |
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| 175 | void sysctl_unregister_oid(struct sysctl_oid *oidp); |
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[39e6e65a] | 176 | |
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[36799d4] | 177 | /* Declare a static oid to allow child oids to be added to it. */ |
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| 178 | #define SYSCTL_DECL(name) \ |
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| 179 | extern struct sysctl_oid_list sysctl_##name##_children |
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[39e6e65a] | 180 | |
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[36799d4] | 181 | /* Hide these in macros */ |
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| 182 | #define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \ |
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| 183 | (oid_ptr)->oid_arg1 |
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[46a1aa9e] | 184 | #define SYSCTL_CHILDREN_SET(oid_ptr, val) \ |
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| 185 | (oid_ptr)->oid_arg1 = (val); |
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[36799d4] | 186 | #define SYSCTL_STATIC_CHILDREN(oid_name) \ |
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| 187 | (&sysctl_##oid_name##_children) |
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[39e6e65a] | 188 | |
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[36799d4] | 189 | /* === Structs and macros related to context handling === */ |
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[39e6e65a] | 190 | |
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[36799d4] | 191 | /* All dynamically created sysctls can be tracked in a context list. */ |
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| 192 | struct sysctl_ctx_entry { |
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| 193 | struct sysctl_oid *entry; |
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| 194 | TAILQ_ENTRY(sysctl_ctx_entry) link; |
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| 195 | }; |
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[39e6e65a] | 196 | |
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[36799d4] | 197 | TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry); |
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| 198 | |
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[d589e75] | 199 | #define SYSCTL_NODE_CHILDREN(parent, name) \ |
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| 200 | sysctl_##parent##_##name##_children |
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| 201 | |
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[36799d4] | 202 | /* This constructs a "raw" MIB oid. */ |
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| 203 | #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ |
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| 204 | static struct sysctl_oid sysctl__##parent##_##name = { \ |
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| 205 | &sysctl_##parent##_children, { 0 }, \ |
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| 206 | nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \ |
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| 207 | DATA_SET(sysctl_set, sysctl__##parent##_##name) |
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| 208 | |
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| 209 | #define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ |
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| 210 | sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) |
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| 211 | |
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| 212 | /* This constructs a node from which other oids can hang. */ |
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| 213 | #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ |
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[d589e75] | 214 | struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name); \ |
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[36799d4] | 215 | SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \ |
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[d589e75] | 216 | (void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, \ |
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[36799d4] | 217 | "N", descr) |
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| 218 | |
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| 219 | #define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \ |
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| 220 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \ |
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| 221 | 0, 0, handler, "N", descr) |
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| 222 | |
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| 223 | /* Oid for a string. len can be 0 to indicate '\0' termination. */ |
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| 224 | #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ |
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| 225 | SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \ |
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| 226 | arg, len, sysctl_handle_string, "A", descr) |
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| 227 | |
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| 228 | #define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \ |
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| 229 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \ |
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| 230 | arg, len, sysctl_handle_string, "A", descr) |
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| 231 | |
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| 232 | /* Oid for an int. If ptr is NULL, val is returned. */ |
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| 233 | #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ |
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| 234 | SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \ |
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| 235 | ptr, val, sysctl_handle_int, "I", descr) |
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| 236 | |
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| 237 | #define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \ |
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| 238 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access), \ |
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| 239 | ptr, val, sysctl_handle_int, "I", descr) |
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| 240 | |
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| 241 | /* Oid for an unsigned int. If ptr is NULL, val is returned. */ |
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| 242 | #define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ |
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| 243 | SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \ |
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| 244 | ptr, val, sysctl_handle_int, "IU", descr) |
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| 245 | |
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| 246 | #define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \ |
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| 247 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access), \ |
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| 248 | ptr, val, sysctl_handle_int, "IU", descr) |
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| 249 | |
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| 250 | /* Oid for a long. The pointer must be non NULL. */ |
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| 251 | #define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \ |
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| 252 | SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \ |
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| 253 | ptr, val, sysctl_handle_long, "L", descr) |
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| 254 | |
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| 255 | #define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \ |
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| 256 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access), \ |
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| 257 | ptr, 0, sysctl_handle_long, "L", descr) |
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| 258 | |
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[d589e75] | 259 | /* Oid for an unsigned long. The pointer must be non NULL. */ |
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[36799d4] | 260 | #define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \ |
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| 261 | SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \ |
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| 262 | ptr, val, sysctl_handle_long, "LU", descr) |
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| 263 | |
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| 264 | #define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \ |
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| 265 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access), \ |
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| 266 | ptr, 0, sysctl_handle_long, "LU", descr) |
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| 267 | |
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| 268 | /* Oid for an opaque object. Specified by a pointer and a length. */ |
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| 269 | #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ |
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| 270 | SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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| 271 | ptr, len, sysctl_handle_opaque, fmt, descr) |
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| 272 | |
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| 273 | #define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\ |
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| 274 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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| 275 | ptr, len, sysctl_handle_opaque, fmt, descr) |
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| 276 | |
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| 277 | /* Oid for a struct. Specified by a pointer and a type. */ |
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| 278 | #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ |
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| 279 | SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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| 280 | ptr, sizeof(struct type), sysctl_handle_opaque, \ |
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| 281 | "S," #type, descr) |
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| 282 | |
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| 283 | #define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \ |
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| 284 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
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| 285 | ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr) |
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| 286 | |
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| 287 | /* Oid for a procedure. Specified by a pointer and an arg. */ |
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| 288 | #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ |
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| 289 | SYSCTL_OID(parent, nbr, name, (access), \ |
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| 290 | ptr, arg, handler, fmt, descr) |
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| 291 | |
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| 292 | #define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ |
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| 293 | sysctl_add_oid(ctx, parent, nbr, name, (access), \ |
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| 294 | ptr, arg, handler, fmt, descr) |
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[39e6e65a] | 295 | |
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[dc28f16] | 296 | #endif /* _KERNEL */ |
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[39e6e65a] | 297 | |
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| 298 | /* |
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| 299 | * Top-level identifiers |
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| 300 | */ |
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| 301 | #define CTL_UNSPEC 0 /* unused */ |
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| 302 | #define CTL_KERN 1 /* "high kernel": proc, limits */ |
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| 303 | #define CTL_VM 2 /* virtual memory */ |
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[36799d4] | 304 | #define CTL_VFS 3 /* filesystem, mount type is next */ |
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[39e6e65a] | 305 | #define CTL_NET 4 /* network, see socket.h */ |
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| 306 | #define CTL_DEBUG 5 /* debugging parameters */ |
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| 307 | #define CTL_HW 6 /* generic cpu/io */ |
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| 308 | #define CTL_MACHDEP 7 /* machine dependent */ |
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| 309 | #define CTL_USER 8 /* user-level */ |
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[36799d4] | 310 | #define CTL_P1003_1B 9 /* POSIX 1003.1B */ |
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| 311 | #define CTL_MAXID 10 /* number of valid top-level ids */ |
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[39e6e65a] | 312 | |
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| 313 | #define CTL_NAMES { \ |
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| 314 | { 0, 0 }, \ |
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| 315 | { "kern", CTLTYPE_NODE }, \ |
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| 316 | { "vm", CTLTYPE_NODE }, \ |
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| 317 | { "vfs", CTLTYPE_NODE }, \ |
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| 318 | { "net", CTLTYPE_NODE }, \ |
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| 319 | { "debug", CTLTYPE_NODE }, \ |
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| 320 | { "hw", CTLTYPE_NODE }, \ |
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| 321 | { "machdep", CTLTYPE_NODE }, \ |
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| 322 | { "user", CTLTYPE_NODE }, \ |
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[36799d4] | 323 | { "p1003_1b", CTLTYPE_NODE }, \ |
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[39e6e65a] | 324 | } |
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| 325 | |
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| 326 | /* |
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| 327 | * CTL_KERN identifiers |
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| 328 | */ |
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| 329 | #define KERN_OSTYPE 1 /* string: system version */ |
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| 330 | #define KERN_OSRELEASE 2 /* string: system release */ |
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| 331 | #define KERN_OSREV 3 /* int: system revision */ |
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| 332 | #define KERN_VERSION 4 /* string: compile time info */ |
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| 333 | #define KERN_MAXVNODES 5 /* int: max vnodes */ |
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| 334 | #define KERN_MAXPROC 6 /* int: max processes */ |
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| 335 | #define KERN_MAXFILES 7 /* int: max open files */ |
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| 336 | #define KERN_ARGMAX 8 /* int: max arguments to exec */ |
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| 337 | #define KERN_SECURELVL 9 /* int: system security level */ |
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| 338 | #define KERN_HOSTNAME 10 /* string: hostname */ |
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| 339 | #define KERN_HOSTID 11 /* int: host identifier */ |
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| 340 | #define KERN_CLOCKRATE 12 /* struct: struct clockrate */ |
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| 341 | #define KERN_VNODE 13 /* struct: vnode structures */ |
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| 342 | #define KERN_PROC 14 /* struct: process entries */ |
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| 343 | #define KERN_FILE 15 /* struct: file entries */ |
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| 344 | #define KERN_PROF 16 /* node: kernel profiling info */ |
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| 345 | #define KERN_POSIX1 17 /* int: POSIX.1 version */ |
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| 346 | #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ |
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| 347 | #define KERN_JOB_CONTROL 19 /* int: is job control available */ |
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| 348 | #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ |
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| 349 | #define KERN_BOOTTIME 21 /* struct: time kernel was booted */ |
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| 350 | #define KERN_NISDOMAINNAME 22 /* string: YP domain name */ |
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| 351 | #define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ |
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[0739963] | 352 | #define KERN_OSRELDATE 24 /* int: kernel release date */ |
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[39e6e65a] | 353 | #define KERN_NTP_PLL 25 /* node: NTP PLL control */ |
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| 354 | #define KERN_BOOTFILE 26 /* string: name of booted kernel */ |
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| 355 | #define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ |
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| 356 | #define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ |
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[dac1edb] | 357 | #define KERN_DUMPDEV 29 /* struct cdev *: device to dump on */ |
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[36799d4] | 358 | #define KERN_IPC 30 /* node: anything related to IPC */ |
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| 359 | #define KERN_DUMMY 31 /* unused */ |
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[39e6e65a] | 360 | #define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ |
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| 361 | #define KERN_USRSTACK 33 /* int: address of USRSTACK */ |
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[36799d4] | 362 | #define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */ |
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| 363 | #define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */ |
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[dac1edb] | 364 | #define KERN_MAXID 36 /* number of valid kern ids */ |
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[39e6e65a] | 365 | |
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| 366 | #define CTL_KERN_NAMES { \ |
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| 367 | { 0, 0 }, \ |
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| 368 | { "ostype", CTLTYPE_STRING }, \ |
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| 369 | { "osrelease", CTLTYPE_STRING }, \ |
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| 370 | { "osrevision", CTLTYPE_INT }, \ |
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| 371 | { "version", CTLTYPE_STRING }, \ |
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| 372 | { "maxvnodes", CTLTYPE_INT }, \ |
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| 373 | { "maxproc", CTLTYPE_INT }, \ |
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| 374 | { "maxfiles", CTLTYPE_INT }, \ |
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| 375 | { "argmax", CTLTYPE_INT }, \ |
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| 376 | { "securelevel", CTLTYPE_INT }, \ |
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| 377 | { "hostname", CTLTYPE_STRING }, \ |
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[36799d4] | 378 | { "hostid", CTLTYPE_UINT }, \ |
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[39e6e65a] | 379 | { "clockrate", CTLTYPE_STRUCT }, \ |
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| 380 | { "vnode", CTLTYPE_STRUCT }, \ |
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| 381 | { "proc", CTLTYPE_STRUCT }, \ |
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| 382 | { "file", CTLTYPE_STRUCT }, \ |
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| 383 | { "profiling", CTLTYPE_NODE }, \ |
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| 384 | { "posix1version", CTLTYPE_INT }, \ |
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| 385 | { "ngroups", CTLTYPE_INT }, \ |
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| 386 | { "job_control", CTLTYPE_INT }, \ |
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| 387 | { "saved_ids", CTLTYPE_INT }, \ |
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| 388 | { "boottime", CTLTYPE_STRUCT }, \ |
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| 389 | { "nisdomainname", CTLTYPE_STRING }, \ |
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| 390 | { "update", CTLTYPE_INT }, \ |
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| 391 | { "osreldate", CTLTYPE_INT }, \ |
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[36799d4] | 392 | { "ntp_pll", CTLTYPE_NODE }, \ |
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[39e6e65a] | 393 | { "bootfile", CTLTYPE_STRING }, \ |
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| 394 | { "maxfilesperproc", CTLTYPE_INT }, \ |
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| 395 | { "maxprocperuid", CTLTYPE_INT }, \ |
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[36799d4] | 396 | { "ipc", CTLTYPE_NODE }, \ |
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| 397 | { "dummy", CTLTYPE_INT }, \ |
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[39e6e65a] | 398 | { "ps_strings", CTLTYPE_INT }, \ |
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| 399 | { "usrstack", CTLTYPE_INT }, \ |
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[36799d4] | 400 | { "logsigexit", CTLTYPE_INT }, \ |
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| 401 | { "iov_max", CTLTYPE_INT }, \ |
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[39e6e65a] | 402 | } |
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| 403 | |
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| 404 | /* |
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| 405 | * CTL_VFS identifiers |
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| 406 | */ |
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| 407 | #define CTL_VFS_NAMES { \ |
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| 408 | { "vfsconf", CTLTYPE_STRUCT }, \ |
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| 409 | } |
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| 410 | |
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| 411 | /* |
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| 412 | * KERN_PROC subtypes |
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| 413 | */ |
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| 414 | #define KERN_PROC_ALL 0 /* everything */ |
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| 415 | #define KERN_PROC_PID 1 /* by process id */ |
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| 416 | #define KERN_PROC_PGRP 2 /* by process group id */ |
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| 417 | #define KERN_PROC_SESSION 3 /* by session of pid */ |
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| 418 | #define KERN_PROC_TTY 4 /* by controlling tty */ |
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| 419 | #define KERN_PROC_UID 5 /* by effective uid */ |
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| 420 | #define KERN_PROC_RUID 6 /* by real uid */ |
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[36799d4] | 421 | #define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */ |
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[d589e75] | 422 | #define KERN_PROC_PROC 8 /* only return procs */ |
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| 423 | #define KERN_PROC_SV_NAME 9 /* get syscall vector name */ |
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[dac1edb] | 424 | #define KERN_PROC_RGID 10 /* by real group id */ |
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| 425 | #define KERN_PROC_GID 11 /* by effective group id */ |
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[d589e75] | 426 | #define KERN_PROC_INC_THREAD 0x10 /* |
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| 427 | * modifier for pid, pgrp, tty, |
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[dac1edb] | 428 | * uid, ruid, gid, rgid and proc |
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[d589e75] | 429 | */ |
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[36799d4] | 430 | |
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| 431 | /* |
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| 432 | * KERN_IPC identifiers |
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| 433 | */ |
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| 434 | #define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ |
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| 435 | #define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ |
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| 436 | #define KIPC_SOMAXCONN 3 /* int: max length of connection q */ |
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| 437 | #define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ |
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| 438 | #define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ |
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| 439 | #define KIPC_MAX_HDR 6 /* int: max total length of headers */ |
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| 440 | #define KIPC_MAX_DATALEN 7 /* int: max length of data? */ |
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[39e6e65a] | 441 | |
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| 442 | /* |
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| 443 | * CTL_HW identifiers |
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| 444 | */ |
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| 445 | #define HW_MACHINE 1 /* string: machine class */ |
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| 446 | #define HW_MODEL 2 /* string: specific machine model */ |
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| 447 | #define HW_NCPU 3 /* int: number of cpus */ |
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| 448 | #define HW_BYTEORDER 4 /* int: machine byte order */ |
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| 449 | #define HW_PHYSMEM 5 /* int: total memory */ |
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| 450 | #define HW_USERMEM 6 /* int: non-kernel memory */ |
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| 451 | #define HW_PAGESIZE 7 /* int: software page size */ |
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| 452 | #define HW_DISKNAMES 8 /* strings: disk drive names */ |
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| 453 | #define HW_DISKSTATS 9 /* struct: diskstats[] */ |
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| 454 | #define HW_FLOATINGPT 10 /* int: has HW floating point? */ |
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| 455 | #define HW_MACHINE_ARCH 11 /* string: machine architecture */ |
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| 456 | #define HW_MAXID 12 /* number of valid hw ids */ |
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| 457 | |
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| 458 | #define CTL_HW_NAMES { \ |
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| 459 | { 0, 0 }, \ |
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| 460 | { "machine", CTLTYPE_STRING }, \ |
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| 461 | { "model", CTLTYPE_STRING }, \ |
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| 462 | { "ncpu", CTLTYPE_INT }, \ |
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| 463 | { "byteorder", CTLTYPE_INT }, \ |
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[36799d4] | 464 | { "physmem", CTLTYPE_ULONG }, \ |
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| 465 | { "usermem", CTLTYPE_ULONG }, \ |
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[39e6e65a] | 466 | { "pagesize", CTLTYPE_INT }, \ |
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| 467 | { "disknames", CTLTYPE_STRUCT }, \ |
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| 468 | { "diskstats", CTLTYPE_STRUCT }, \ |
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| 469 | { "floatingpoint", CTLTYPE_INT }, \ |
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| 470 | } |
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| 471 | |
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| 472 | /* |
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| 473 | * CTL_USER definitions |
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| 474 | */ |
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| 475 | #define USER_CS_PATH 1 /* string: _CS_PATH */ |
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| 476 | #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ |
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| 477 | #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ |
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| 478 | #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ |
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| 479 | #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ |
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| 480 | #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ |
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| 481 | #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ |
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| 482 | #define USER_LINE_MAX 8 /* int: LINE_MAX */ |
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| 483 | #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ |
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| 484 | #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ |
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| 485 | #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ |
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| 486 | #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ |
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| 487 | #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ |
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| 488 | #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ |
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| 489 | #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ |
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| 490 | #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ |
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| 491 | #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ |
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| 492 | #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ |
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| 493 | #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ |
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| 494 | #define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ |
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| 495 | #define USER_MAXID 21 /* number of valid user ids */ |
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| 496 | |
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| 497 | #define CTL_USER_NAMES { \ |
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| 498 | { 0, 0 }, \ |
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| 499 | { "cs_path", CTLTYPE_STRING }, \ |
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| 500 | { "bc_base_max", CTLTYPE_INT }, \ |
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| 501 | { "bc_dim_max", CTLTYPE_INT }, \ |
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| 502 | { "bc_scale_max", CTLTYPE_INT }, \ |
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| 503 | { "bc_string_max", CTLTYPE_INT }, \ |
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| 504 | { "coll_weights_max", CTLTYPE_INT }, \ |
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| 505 | { "expr_nest_max", CTLTYPE_INT }, \ |
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| 506 | { "line_max", CTLTYPE_INT }, \ |
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| 507 | { "re_dup_max", CTLTYPE_INT }, \ |
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| 508 | { "posix2_version", CTLTYPE_INT }, \ |
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| 509 | { "posix2_c_bind", CTLTYPE_INT }, \ |
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| 510 | { "posix2_c_dev", CTLTYPE_INT }, \ |
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| 511 | { "posix2_char_term", CTLTYPE_INT }, \ |
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| 512 | { "posix2_fort_dev", CTLTYPE_INT }, \ |
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| 513 | { "posix2_fort_run", CTLTYPE_INT }, \ |
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| 514 | { "posix2_localedef", CTLTYPE_INT }, \ |
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| 515 | { "posix2_sw_dev", CTLTYPE_INT }, \ |
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| 516 | { "posix2_upe", CTLTYPE_INT }, \ |
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| 517 | { "stream_max", CTLTYPE_INT }, \ |
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| 518 | { "tzname_max", CTLTYPE_INT }, \ |
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| 519 | } |
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| 520 | |
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[36799d4] | 521 | #define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */ |
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| 522 | #define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */ |
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| 523 | #define CTL_P1003_1B_MEMLOCK 3 /* boolean */ |
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| 524 | #define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */ |
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| 525 | #define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */ |
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| 526 | #define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */ |
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| 527 | #define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */ |
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| 528 | #define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */ |
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| 529 | #define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */ |
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| 530 | #define CTL_P1003_1B_SEMAPHORES 10 /* boolean */ |
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| 531 | #define CTL_P1003_1B_FSYNC 11 /* boolean */ |
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| 532 | #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */ |
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| 533 | #define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */ |
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| 534 | #define CTL_P1003_1B_TIMERS 14 /* boolean */ |
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| 535 | #define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */ |
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| 536 | #define CTL_P1003_1B_AIO_MAX 16 /* int */ |
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| 537 | #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */ |
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| 538 | #define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */ |
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| 539 | #define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */ |
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| 540 | #define CTL_P1003_1B_PAGESIZE 20 /* int */ |
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| 541 | #define CTL_P1003_1B_RTSIG_MAX 21 /* int */ |
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| 542 | #define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */ |
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| 543 | #define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */ |
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| 544 | #define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */ |
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| 545 | #define CTL_P1003_1B_TIMER_MAX 25 /* int */ |
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| 546 | |
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| 547 | #define CTL_P1003_1B_MAXID 26 |
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| 548 | |
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| 549 | #define CTL_P1003_1B_NAMES { \ |
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| 550 | { 0, 0 }, \ |
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| 551 | { "asynchronous_io", CTLTYPE_INT }, \ |
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| 552 | { "mapped_files", CTLTYPE_INT }, \ |
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| 553 | { "memlock", CTLTYPE_INT }, \ |
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| 554 | { "memlock_range", CTLTYPE_INT }, \ |
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| 555 | { "memory_protection", CTLTYPE_INT }, \ |
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| 556 | { "message_passing", CTLTYPE_INT }, \ |
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| 557 | { "prioritized_io", CTLTYPE_INT }, \ |
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| 558 | { "priority_scheduling", CTLTYPE_INT }, \ |
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| 559 | { "realtime_signals", CTLTYPE_INT }, \ |
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| 560 | { "semaphores", CTLTYPE_INT }, \ |
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| 561 | { "fsync", CTLTYPE_INT }, \ |
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| 562 | { "shared_memory_objects", CTLTYPE_INT }, \ |
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| 563 | { "synchronized_io", CTLTYPE_INT }, \ |
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| 564 | { "timers", CTLTYPE_INT }, \ |
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| 565 | { "aio_listio_max", CTLTYPE_INT }, \ |
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| 566 | { "aio_max", CTLTYPE_INT }, \ |
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| 567 | { "aio_prio_delta_max", CTLTYPE_INT }, \ |
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| 568 | { "delaytimer_max", CTLTYPE_INT }, \ |
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| 569 | { "mq_open_max", CTLTYPE_INT }, \ |
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| 570 | { "pagesize", CTLTYPE_INT }, \ |
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| 571 | { "rtsig_max", CTLTYPE_INT }, \ |
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| 572 | { "nsems_max", CTLTYPE_INT }, \ |
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| 573 | { "sem_value_max", CTLTYPE_INT }, \ |
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| 574 | { "sigqueue_max", CTLTYPE_INT }, \ |
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| 575 | { "timer_max", CTLTYPE_INT }, \ |
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| 576 | } |
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| 577 | |
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[dc28f16] | 578 | #ifdef _KERNEL |
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[39e6e65a] | 579 | |
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[36799d4] | 580 | /* |
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| 581 | * Declare some common oids. |
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| 582 | */ |
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| 583 | extern struct sysctl_oid_list sysctl__children; |
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| 584 | SYSCTL_DECL(_kern); |
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| 585 | SYSCTL_DECL(_sysctl); |
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| 586 | SYSCTL_DECL(_vm); |
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| 587 | SYSCTL_DECL(_vfs); |
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| 588 | SYSCTL_DECL(_net); |
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| 589 | SYSCTL_DECL(_debug); |
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| 590 | SYSCTL_DECL(_debug_sizeof); |
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| 591 | SYSCTL_DECL(_hw); |
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| 592 | SYSCTL_DECL(_machdep); |
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| 593 | SYSCTL_DECL(_user); |
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| 594 | SYSCTL_DECL(_compat); |
---|
| 595 | |
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[39e6e65a] | 596 | extern char machine[]; |
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| 597 | extern char osrelease[]; |
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| 598 | extern char ostype[]; |
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[d589e75] | 599 | extern char kern_ident[]; |
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[39e6e65a] | 600 | |
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[36799d4] | 601 | /* Dynamic oid handling */ |
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| 602 | struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist, |
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| 603 | struct sysctl_oid_list *parent, int nbr, const char *name, |
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| 604 | int kind, void *arg1, int arg2, |
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| 605 | int (*handler) (SYSCTL_HANDLER_ARGS), |
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| 606 | const char *fmt, const char *descr); |
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[d589e75] | 607 | int sysctl_move_oid(struct sysctl_oid *oidp, |
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| 608 | struct sysctl_oid_list *parent); |
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[36799d4] | 609 | int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse); |
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| 610 | int sysctl_ctx_init(struct sysctl_ctx_list *clist); |
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| 611 | int sysctl_ctx_free(struct sysctl_ctx_list *clist); |
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| 612 | struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist, |
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| 613 | struct sysctl_oid *oidp); |
---|
| 614 | struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist, |
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| 615 | struct sysctl_oid *oidp); |
---|
| 616 | int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist, |
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| 617 | struct sysctl_oid *oidp); |
---|
| 618 | |
---|
| 619 | int kernel_sysctl(struct thread *td, int *name, u_int namelen, void *old, |
---|
| 620 | size_t *oldlenp, void *new, size_t newlen, |
---|
| 621 | size_t *retval); |
---|
| 622 | int kernel_sysctlbyname(struct thread *td, char *name, |
---|
| 623 | void *old, size_t *oldlenp, void *new, size_t newlen, |
---|
| 624 | size_t *retval); |
---|
| 625 | int userland_sysctl(struct thread *td, int *name, u_int namelen, void *old, |
---|
| 626 | size_t *oldlenp, int inkernel, void *new, size_t newlen, |
---|
| 627 | size_t *retval); |
---|
| 628 | int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid, |
---|
| 629 | int *nindx, struct sysctl_req *req); |
---|
[d589e75] | 630 | int sysctl_wire_old_buffer(struct sysctl_req *req, size_t len); |
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[39e6e65a] | 631 | |
---|
[dc28f16] | 632 | #else /* !_KERNEL */ |
---|
[cd9564e] | 633 | #include <rtems/bsd/sys/cdefs.h> |
---|
[39e6e65a] | 634 | |
---|
| 635 | __BEGIN_DECLS |
---|
[36799d4] | 636 | int sysctl(int *, u_int, void *, size_t *, void *, size_t); |
---|
| 637 | int sysctlbyname(const char *, void *, size_t *, void *, size_t); |
---|
| 638 | int sysctlnametomib(const char *, int *, size_t *); |
---|
[39e6e65a] | 639 | __END_DECLS |
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[dc28f16] | 640 | #endif /* _KERNEL */ |
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[39e6e65a] | 641 | |
---|
| 642 | #endif /* !_SYS_SYSCTL_H_ */ |
---|