sysctl.h revision 60938
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Mike Karels at Berkeley Software Design, Inc. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 37 * $FreeBSD: head/sys/sys/sysctl.h 60938 2000-05-26 02:09:24Z jake $ 38 */ 39 40#ifndef _SYS_SYSCTL_H_ 41#define _SYS_SYSCTL_H_ 42 43#include <sys/_posix.h> 44#include <sys/queue.h> 45 46/* 47 * Definitions for sysctl call. The sysctl call uses a hierarchical name 48 * for objects that can be examined or modified. The name is expressed as 49 * a sequence of integers. Like a file path name, the meaning of each 50 * component depends on its place in the hierarchy. The top-level and kern 51 * identifiers are defined here, and other identifiers are defined in the 52 * respective subsystem header files. 53 */ 54 55#define CTL_MAXNAME 12 /* largest number of components supported */ 56 57/* 58 * Each subsystem defined by sysctl defines a list of variables 59 * for that subsystem. Each name is either a node with further 60 * levels defined below it, or it is a leaf of some particular 61 * type given below. Each sysctl level defines a set of name/type 62 * pairs to be used by sysctl(1) in manipulating the subsystem. 63 */ 64struct ctlname { 65 char *ctl_name; /* subsystem name */ 66 int ctl_type; /* type of name */ 67}; 68 69#define CTLTYPE 0xf /* Mask for the type */ 70#define CTLTYPE_NODE 1 /* name is a node */ 71#define CTLTYPE_INT 2 /* name describes an integer */ 72#define CTLTYPE_STRING 3 /* name describes a string */ 73#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ 74#define CTLTYPE_OPAQUE 5 /* name describes a structure */ 75#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ 76 77#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ 78#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ 79#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) 80#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ 81#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ 82#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ 83#define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */ 84 85/* 86 * USE THIS instead of a hardwired number from the categories below 87 * to get dynamically assigned sysctl entries using the linker-set 88 * technology. This is the way nearly all new sysctl variables should 89 * be implemented. 90 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); 91 */ 92#define OID_AUTO (-1) 93 94#ifdef _KERNEL 95#define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \ 96 struct sysctl_req *req) 97 98/* 99 * This describes the access space for a sysctl request. This is needed 100 * so that we can use the interface from the kernel or from user-space. 101 */ 102struct sysctl_req { 103 struct proc *p; 104 int lock; 105 void *oldptr; 106 size_t oldlen; 107 size_t oldidx; 108 int (*oldfunc)(struct sysctl_req *, const void *, size_t); 109 void *newptr; 110 size_t newlen; 111 size_t newidx; 112 int (*newfunc)(struct sysctl_req *, void *, size_t); 113}; 114 115SLIST_HEAD(sysctl_oid_list, sysctl_oid); 116 117/* 118 * This describes one "oid" in the MIB tree. Potentially more nodes can 119 * be hidden behind it, expanded by the handler. 120 */ 121struct sysctl_oid { 122 struct sysctl_oid_list *oid_parent; 123 SLIST_ENTRY(sysctl_oid) oid_link; 124 int oid_number; 125 int oid_kind; 126 void *oid_arg1; 127 int oid_arg2; 128 const char *oid_name; 129 int (*oid_handler) SYSCTL_HANDLER_ARGS; 130 const char *oid_fmt; 131}; 132 133#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) 134#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) 135 136int sysctl_handle_int SYSCTL_HANDLER_ARGS; 137int sysctl_handle_long SYSCTL_HANDLER_ARGS; 138int sysctl_handle_intptr SYSCTL_HANDLER_ARGS; 139int sysctl_handle_string SYSCTL_HANDLER_ARGS; 140int sysctl_handle_opaque SYSCTL_HANDLER_ARGS; 141 142/* 143 * These functions are used to add/remove an oid from the mib. 144 */ 145void sysctl_register_oid(struct sysctl_oid *oidp); 146void sysctl_unregister_oid(struct sysctl_oid *oidp); 147 148/* Declare an oid to allow child oids to be added to it. */ 149#define SYSCTL_DECL(name) \ 150 extern struct sysctl_oid_list sysctl_##name##_children 151 152/* This constructs a "raw" MIB oid. */ 153#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ 154 static struct sysctl_oid sysctl__##parent##_##name = { \ 155 &sysctl_##parent##_children, { 0 }, \ 156 nbr, kind, a1, a2, #name, handler, fmt }; \ 157 DATA_SET(sysctl_set, sysctl__##parent##_##name); 158 159/* This constructs a node from which other oids can hang. */ 160#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ 161 struct sysctl_oid_list sysctl_##parent##_##name##_children; \ 162 SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|access, \ 163 (void*)&sysctl_##parent##_##name##_children, 0, handler, \ 164 "N", descr); 165 166/* Oid for a string. len can be 0 to indicate '\0' termination. */ 167#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ 168 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \ 169 arg, len, sysctl_handle_string, "A", descr) 170 171/* Oid for an int. If ptr is NULL, val is returned. */ 172#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ 173 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ 174 ptr, val, sysctl_handle_int, "I", descr) 175 176/* Oid for a long. The pointer must be non NULL. */ 177#define SYSCTL_LONG(parent, nbr, name, access, ptr, descr) \ 178 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ 179 ptr, 0, sysctl_handle_long, "L", descr) 180 181/* Oid for an opaque object. Specified by a pointer and a length. */ 182#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ 183 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \ 184 ptr, len, sysctl_handle_opaque, fmt, descr) 185 186/* Oid for a struct. Specified by a pointer and a type. */ 187#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ 188 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \ 189 ptr, sizeof(struct type), sysctl_handle_opaque, \ 190 "S," #type, descr) 191 192/* Oid for a procedure. Specified by a pointer and an arg. */ 193#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ 194 SYSCTL_OID(parent, nbr, name, access, \ 195 ptr, arg, handler, fmt, descr) 196#endif /* _KERNEL */ 197 198/* 199 * Top-level identifiers 200 */ 201#define CTL_UNSPEC 0 /* unused */ 202#define CTL_KERN 1 /* "high kernel": proc, limits */ 203#define CTL_VM 2 /* virtual memory */ 204#define CTL_VFS 3 /* file system, mount type is next */ 205#define CTL_NET 4 /* network, see socket.h */ 206#define CTL_DEBUG 5 /* debugging parameters */ 207#define CTL_HW 6 /* generic cpu/io */ 208#define CTL_MACHDEP 7 /* machine dependent */ 209#define CTL_USER 8 /* user-level */ 210#define CTL_P1003_1B 9 /* POSIX 1003.1B */ 211#define CTL_MAXID 10 /* number of valid top-level ids */ 212 213#define CTL_NAMES { \ 214 { 0, 0 }, \ 215 { "kern", CTLTYPE_NODE }, \ 216 { "vm", CTLTYPE_NODE }, \ 217 { "vfs", CTLTYPE_NODE }, \ 218 { "net", CTLTYPE_NODE }, \ 219 { "debug", CTLTYPE_NODE }, \ 220 { "hw", CTLTYPE_NODE }, \ 221 { "machdep", CTLTYPE_NODE }, \ 222 { "user", CTLTYPE_NODE }, \ 223 { "p1003_1b", CTLTYPE_NODE }, \ 224} 225 226/* 227 * CTL_KERN identifiers 228 */ 229#define KERN_OSTYPE 1 /* string: system version */ 230#define KERN_OSRELEASE 2 /* string: system release */ 231#define KERN_OSREV 3 /* int: system revision */ 232#define KERN_VERSION 4 /* string: compile time info */ 233#define KERN_MAXVNODES 5 /* int: max vnodes */ 234#define KERN_MAXPROC 6 /* int: max processes */ 235#define KERN_MAXFILES 7 /* int: max open files */ 236#define KERN_ARGMAX 8 /* int: max arguments to exec */ 237#define KERN_SECURELVL 9 /* int: system security level */ 238#define KERN_HOSTNAME 10 /* string: hostname */ 239#define KERN_HOSTID 11 /* int: host identifier */ 240#define KERN_CLOCKRATE 12 /* struct: struct clockrate */ 241#define KERN_VNODE 13 /* struct: vnode structures */ 242#define KERN_PROC 14 /* struct: process entries */ 243#define KERN_FILE 15 /* struct: file entries */ 244#define KERN_PROF 16 /* node: kernel profiling info */ 245#define KERN_POSIX1 17 /* int: POSIX.1 version */ 246#define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 247#define KERN_JOB_CONTROL 19 /* int: is job control available */ 248#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 249#define KERN_BOOTTIME 21 /* struct: time kernel was booted */ 250#define KERN_NISDOMAINNAME 22 /* string: YP domain name */ 251#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ 252#define KERN_OSRELDATE 24 /* int: OS release date */ 253#define KERN_NTP_PLL 25 /* node: NTP PLL control */ 254#define KERN_BOOTFILE 26 /* string: name of booted kernel */ 255#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ 256#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ 257#define KERN_DUMPDEV 29 /* dev_t: device to dump on */ 258#define KERN_IPC 30 /* node: anything related to IPC */ 259#define KERN_DUMMY 31 /* unused */ 260#define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ 261#define KERN_USRSTACK 33 /* int: address of USRSTACK */ 262#define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */ 263#define KERN_MAXID 35 /* number of valid kern ids */ 264 265#define CTL_KERN_NAMES { \ 266 { 0, 0 }, \ 267 { "ostype", CTLTYPE_STRING }, \ 268 { "osrelease", CTLTYPE_STRING }, \ 269 { "osrevision", CTLTYPE_INT }, \ 270 { "version", CTLTYPE_STRING }, \ 271 { "maxvnodes", CTLTYPE_INT }, \ 272 { "maxproc", CTLTYPE_INT }, \ 273 { "maxfiles", CTLTYPE_INT }, \ 274 { "argmax", CTLTYPE_INT }, \ 275 { "securelevel", CTLTYPE_INT }, \ 276 { "hostname", CTLTYPE_STRING }, \ 277 { "hostid", CTLTYPE_INT }, \ 278 { "clockrate", CTLTYPE_STRUCT }, \ 279 { "vnode", CTLTYPE_STRUCT }, \ 280 { "proc", CTLTYPE_STRUCT }, \ 281 { "file", CTLTYPE_STRUCT }, \ 282 { "profiling", CTLTYPE_NODE }, \ 283 { "posix1version", CTLTYPE_INT }, \ 284 { "ngroups", CTLTYPE_INT }, \ 285 { "job_control", CTLTYPE_INT }, \ 286 { "saved_ids", CTLTYPE_INT }, \ 287 { "boottime", CTLTYPE_STRUCT }, \ 288 { "nisdomainname", CTLTYPE_STRING }, \ 289 { "update", CTLTYPE_INT }, \ 290 { "osreldate", CTLTYPE_INT }, \ 291 { "ntp_pll", CTLTYPE_NODE }, \ 292 { "bootfile", CTLTYPE_STRING }, \ 293 { "maxfilesperproc", CTLTYPE_INT }, \ 294 { "maxprocperuid", CTLTYPE_INT }, \ 295 { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \ 296 { "ipc", CTLTYPE_NODE }, \ 297 { "dummy", CTLTYPE_INT }, \ 298 { "ps_strings", CTLTYPE_INT }, \ 299 { "usrstack", CTLTYPE_INT }, \ 300 { "logsigexit", CTLTYPE_INT }, \ 301} 302 303/* 304 * CTL_VFS identifiers 305 */ 306#define CTL_VFS_NAMES { \ 307 { "vfsconf", CTLTYPE_STRUCT }, \ 308} 309 310/* 311 * KERN_PROC subtypes 312 */ 313#define KERN_PROC_ALL 0 /* everything */ 314#define KERN_PROC_PID 1 /* by process id */ 315#define KERN_PROC_PGRP 2 /* by process group id */ 316#define KERN_PROC_SESSION 3 /* by session of pid */ 317#define KERN_PROC_TTY 4 /* by controlling tty */ 318#define KERN_PROC_UID 5 /* by effective uid */ 319#define KERN_PROC_RUID 6 /* by real uid */ 320#define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */ 321 322/* 323 * KERN_IPC identifiers 324 */ 325#define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ 326#define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ 327#define KIPC_SOMAXCONN 3 /* int: max length of connection q */ 328#define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ 329#define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ 330#define KIPC_MAX_HDR 6 /* int: max total length of headers */ 331#define KIPC_MAX_DATALEN 7 /* int: max length of data? */ 332#define KIPC_MBSTAT 8 /* struct: mbuf usage statistics */ 333#define KIPC_NMBCLUSTERS 9 /* int: maximum mbuf clusters */ 334 335/* 336 * CTL_HW identifiers 337 */ 338#define HW_MACHINE 1 /* string: machine class */ 339#define HW_MODEL 2 /* string: specific machine model */ 340#define HW_NCPU 3 /* int: number of cpus */ 341#define HW_BYTEORDER 4 /* int: machine byte order */ 342#define HW_PHYSMEM 5 /* int: total memory */ 343#define HW_USERMEM 6 /* int: non-kernel memory */ 344#define HW_PAGESIZE 7 /* int: software page size */ 345#define HW_DISKNAMES 8 /* strings: disk drive names */ 346#define HW_DISKSTATS 9 /* struct: diskstats[] */ 347#define HW_FLOATINGPT 10 /* int: has HW floating point? */ 348#define HW_MACHINE_ARCH 11 /* string: machine architecture */ 349#define HW_MAXID 12 /* number of valid hw ids */ 350 351#define CTL_HW_NAMES { \ 352 { 0, 0 }, \ 353 { "machine", CTLTYPE_STRING }, \ 354 { "model", CTLTYPE_STRING }, \ 355 { "ncpu", CTLTYPE_INT }, \ 356 { "byteorder", CTLTYPE_INT }, \ 357 { "physmem", CTLTYPE_INT }, \ 358 { "usermem", CTLTYPE_INT }, \ 359 { "pagesize", CTLTYPE_INT }, \ 360 { "disknames", CTLTYPE_STRUCT }, \ 361 { "diskstats", CTLTYPE_STRUCT }, \ 362 { "floatingpoint", CTLTYPE_INT }, \ 363} 364 365/* 366 * CTL_USER definitions 367 */ 368#define USER_CS_PATH 1 /* string: _CS_PATH */ 369#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 370#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 371#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 372#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 373#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 374#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 375#define USER_LINE_MAX 8 /* int: LINE_MAX */ 376#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 377#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 378#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 379#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 380#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 381#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 382#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 383#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 384#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 385#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 386#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 387#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ 388#define USER_MAXID 21 /* number of valid user ids */ 389 390#define CTL_USER_NAMES { \ 391 { 0, 0 }, \ 392 { "cs_path", CTLTYPE_STRING }, \ 393 { "bc_base_max", CTLTYPE_INT }, \ 394 { "bc_dim_max", CTLTYPE_INT }, \ 395 { "bc_scale_max", CTLTYPE_INT }, \ 396 { "bc_string_max", CTLTYPE_INT }, \ 397 { "coll_weights_max", CTLTYPE_INT }, \ 398 { "expr_nest_max", CTLTYPE_INT }, \ 399 { "line_max", CTLTYPE_INT }, \ 400 { "re_dup_max", CTLTYPE_INT }, \ 401 { "posix2_version", CTLTYPE_INT }, \ 402 { "posix2_c_bind", CTLTYPE_INT }, \ 403 { "posix2_c_dev", CTLTYPE_INT }, \ 404 { "posix2_char_term", CTLTYPE_INT }, \ 405 { "posix2_fort_dev", CTLTYPE_INT }, \ 406 { "posix2_fort_run", CTLTYPE_INT }, \ 407 { "posix2_localedef", CTLTYPE_INT }, \ 408 { "posix2_sw_dev", CTLTYPE_INT }, \ 409 { "posix2_upe", CTLTYPE_INT }, \ 410 { "stream_max", CTLTYPE_INT }, \ 411 { "tzname_max", CTLTYPE_INT }, \ 412} 413 414#define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */ 415#define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */ 416#define CTL_P1003_1B_MEMLOCK 3 /* boolean */ 417#define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */ 418#define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */ 419#define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */ 420#define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */ 421#define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */ 422#define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */ 423#define CTL_P1003_1B_SEMAPHORES 10 /* boolean */ 424#define CTL_P1003_1B_FSYNC 11 /* boolean */ 425#define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */ 426#define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */ 427#define CTL_P1003_1B_TIMERS 14 /* boolean */ 428#define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */ 429#define CTL_P1003_1B_AIO_MAX 16 /* int */ 430#define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */ 431#define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */ 432#define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */ 433#define CTL_P1003_1B_PAGESIZE 20 /* int */ 434#define CTL_P1003_1B_RTSIG_MAX 21 /* int */ 435#define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */ 436#define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */ 437#define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */ 438#define CTL_P1003_1B_TIMER_MAX 25 /* int */ 439 440#define CTL_P1003_1B_MAXID 26 441 442#define CTL_P1003_1B_NAMES { \ 443 { 0, 0 }, \ 444 { "asynchronous_io", CTLTYPE_INT }, \ 445 { "mapped_files", CTLTYPE_INT }, \ 446 { "memlock", CTLTYPE_INT }, \ 447 { "memlock_range", CTLTYPE_INT }, \ 448 { "memory_protection", CTLTYPE_INT }, \ 449 { "message_passing", CTLTYPE_INT }, \ 450 { "prioritized_io", CTLTYPE_INT }, \ 451 { "priority_scheduling", CTLTYPE_INT }, \ 452 { "realtime_signals", CTLTYPE_INT }, \ 453 { "semaphores", CTLTYPE_INT }, \ 454 { "fsync", CTLTYPE_INT }, \ 455 { "shared_memory_objects", CTLTYPE_INT }, \ 456 { "synchronized_io", CTLTYPE_INT }, \ 457 { "timers", CTLTYPE_INT }, \ 458 { "aio_listio_max", CTLTYPE_INT }, \ 459 { "aio_max", CTLTYPE_INT }, \ 460 { "aio_prio_delta_max", CTLTYPE_INT }, \ 461 { "delaytimer_max", CTLTYPE_INT }, \ 462 { "mq_open_max", CTLTYPE_INT }, \ 463 { "pagesize", CTLTYPE_INT }, \ 464 { "rtsig_max", CTLTYPE_INT }, \ 465 { "nsems_max", CTLTYPE_INT }, \ 466 { "sem_value_max", CTLTYPE_INT }, \ 467 { "sigqueue_max", CTLTYPE_INT }, \ 468 { "timer_max", CTLTYPE_INT }, \ 469} 470 471#ifdef _KERNEL 472 473/* 474 * Declare some common oids. 475 */ 476extern struct sysctl_oid_list sysctl__children; 477SYSCTL_DECL(_kern); 478SYSCTL_DECL(_sysctl); 479SYSCTL_DECL(_vm); 480SYSCTL_DECL(_vfs); 481SYSCTL_DECL(_net); 482SYSCTL_DECL(_debug); 483SYSCTL_DECL(_hw); 484SYSCTL_DECL(_machdep); 485SYSCTL_DECL(_user); 486SYSCTL_DECL(_compat); 487 488extern char machine[]; 489extern char osrelease[]; 490extern char ostype[]; 491 492struct linker_set; 493 494void sysctl_register_set(struct linker_set *lsp); 495void sysctl_unregister_set(struct linker_set *lsp); 496int kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old, 497 size_t *oldlenp, void *new, size_t newlen, 498 size_t *retval); 499int userland_sysctl(struct proc *p, int *name, u_int namelen, void *old, 500 size_t *oldlenp, int inkernel, void *new, size_t newlen, 501 size_t *retval); 502int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid, 503 int *nindx, struct sysctl_req *req); 504 505#else /* !_KERNEL */ 506#include <sys/cdefs.h> 507 508__BEGIN_DECLS 509int sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 510int sysctlbyname __P((const char *, void *, size_t *, void *, size_t)); 511__END_DECLS 512#endif /* _KERNEL */ 513 514#endif /* !_SYS_SYSCTL_H_ */ 515