StdLib/Include/sys/sysctl.h

   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  * Portions copyright (c) 1999, 2000
   9  * Intel Corporation.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  *
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  *
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in the
  21  *    documentation and/or other materials provided with the distribution.
  22  *
  23  * 3. All advertising materials mentioning features or use of this software
  24  *    must display the following acknowledgement:
  25  *
  26  *    This product includes software developed by the University of
  27  *    California, Berkeley, Intel Corporation, and its contributors.
  28  *
  29  * 4. Neither the name of University, Intel Corporation, or their respective
  30  *    contributors may be used to endorse or promote products derived from
  31  *    this software without specific prior written permission.
  32  *
  33  * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND
  34  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  35  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  36  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS,
  37  * INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  38  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  39  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  40  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  41  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44  *
  45  *      @(#)sysctl.h    8.1 (Berkeley) 6/2/93
  46  * $Id: sysctl.h,v 1.1.1.1 2006/05/30 06:13:00 hhzhou Exp $
  47  */
  48
  49 #ifndef _SYS_SYSCTL_H_
  50 #define _SYS_SYSCTL_H_
  51
  52 #include <sys/_posix.h>
  53
  54 /*
  55  * Definitions for sysctl call.  The sysctl call uses a hierarchical name
  56  * for objects that can be examined or modified.  The name is expressed as
  57  * a sequence of integers.  Like a file path name, the meaning of each
  58  * component depends on its place in the hierarchy.  The top-level and kern
  59  * identifiers are defined here, and other identifiers are defined in the
  60  * respective subsystem header files.
  61  */
  62
  63 #define CTL_MAXNAME     12      /* largest number of components supported */
  64
  65 /*
  66  * Each subsystem defined by sysctl defines a list of variables
  67  * for that subsystem. Each name is either a node with further
  68  * levels defined below it, or it is a leaf of some particular
  69  * type given below. Each sysctl level defines a set of name/type
  70  * pairs to be used by sysctl(1) in manipulating the subsystem.
  71  */
  72 struct ctlname {
  73         char    *ctl_name;      /* subsystem name */
  74         int     ctl_type;       /* type of name */
  75 };
  76
  77 #define CTLTYPE         0xf     /* Mask for the type */
  78 #define CTLTYPE_NODE    1       /* name is a node */
  79 #define CTLTYPE_INT     2       /* name describes an integer */
  80 #define CTLTYPE_STRING  3       /* name describes a string */
  81 #define CTLTYPE_QUAD    4       /* name describes a 64-bit number */
  82 #define CTLTYPE_OPAQUE  5       /* name describes a structure */
  83 #define CTLTYPE_STRUCT  CTLTYPE_OPAQUE  /* name describes a structure */
  84
  85 #define CTLFLAG_RD      0x80000000      /* Allow reads of variable */
  86 #define CTLFLAG_WR      0x40000000      /* Allow writes to the variable */
  87 #define CTLFLAG_RW      (CTLFLAG_RD|CTLFLAG_WR)
  88 #define CTLFLAG_NOLOCK  0x20000000      /* XXX Don't Lock */
  89 #define CTLFLAG_ANYBODY 0x10000000      /* All users can set this var */
  90 #define CTLFLAG_SECURE  0x08000000      /* Permit set only if securelevel<=0 */
  91
  92 /*
  93  * USE THIS instead of a hardwired number from the categories below
  94  * to get dynamically assigned sysctl entries using the linker-set
  95  * technology. This is the way nearly all new sysctl variables should
  96  * be implemented.
  97  * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
  98  */
  99 #define OID_AUTO        (-1)
 100
 101 #ifdef KERNEL
 102 #define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \
 103         struct sysctl_req *req)
 104
 105 /*
 106  * This describes the access space for a sysctl request.  This is needed
 107  * so that we can use the interface from the kernel or from user-space.
 108  */
 109 struct sysctl_req {
 110         struct proc     *p;
 111         int             lock;
 112         void            *oldptr;
 113         size_t          oldlen;
 114         size_t          oldidx;
 115         int             (*oldfunc)(struct sysctl_req *, const void *, size_t);
 116         void            *newptr;
 117         size_t          newlen;
 118         size_t          newidx;
 119         int             (*newfunc)(struct sysctl_req *, void *, size_t);
 120 };
 121
 122 #ifndef _ORG_FREEBSD_
 123 #include <sys/ioccom.h>
 124 /*
 125  *  Pseudo sysctl call through ioctl(2) interface
 126  */
 127 #define IOCSYSCTL       _IOWR('X', 0, struct sysctl_req)
 128
 129 struct pseudo_sysctl {
 130         int                     *name;
 131         u_int                   namelen;
 132         struct sysctl_req       req;
 133 };
 134
 135 #endif
 136
 137 /*
 138  * This describes one "oid" in the MIB tree.  Potentially more nodes can
 139  * be hidden behind it, expanded by the handler.
 140  */
 141 struct sysctl_oid {
 142         int             oid_number;
 143         int             oid_kind;
 144         void            *oid_arg1;
 145         int             oid_arg2;
 146         const char      *oid_name;
 147         int             (*oid_handler) SYSCTL_HANDLER_ARGS;
 148         const char      *oid_fmt;
 149 };
 150
 151 #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
 152 #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
 153
 154 int sysctl_handle_int SYSCTL_HANDLER_ARGS;
 155 int sysctl_handle_long SYSCTL_HANDLER_ARGS;
 156 int sysctl_handle_intptr SYSCTL_HANDLER_ARGS;
 157 int sysctl_handle_string SYSCTL_HANDLER_ARGS;
 158 int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
 159
 160 #ifdef _ORG_FREEBSD_
 161 /* This constructs a "raw" MIB oid. */
 162 #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
 163         static struct sysctl_oid sysctl__##parent##_##name = { \
 164                 nbr, kind, a1, a2, #name, handler, fmt }; \
 165         DATA_SET(sysctl_##parent, sysctl__##parent##_##name)
 166
 167 /* This constructs a node from which other oids can hang. */
 168 #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
 169         extern struct linker_set sysctl_##parent##_##name; \
 170         SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|access, \
 171                 (void*)&sysctl_##parent##_##name, 0, handler, "N", descr); \
 172         DATA_SET(sysctl_##parent##_##name, sysctl__##parent##_##name)
 173 #else
 174 #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr)
 175 #define SYSCTL_NODE(parent, nbr, name, access, handler, descr)
 176 #endif
 177
 178 /* Oid for a string.  len can be 0 to indicate '\0' termination. */
 179 #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
 180         SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \
 181                 arg, len, sysctl_handle_string, "A", descr)
 182
 183 /* Oid for an int.  If ptr is NULL, val is returned. */
 184 #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
 185         SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \
 186                 ptr, val, sysctl_handle_int, "I", descr)
 187
 188 /* Oid for a long.  The pointer must be non NULL. */
 189 #define SYSCTL_LONG(parent, nbr, name, access, ptr, descr) \
 190         SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \
 191                 ptr, 0, sysctl_handle_long, "L", descr)
 192
 193 /* Oid for an opaque object.  Specified by a pointer and a length. */
 194 #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
 195         SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
 196                 ptr, len, sysctl_handle_opaque, fmt, descr)
 197
 198 /* Oid for a struct.  Specified by a pointer and a type. */
 199 #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \
 200         SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
 201                 ptr, sizeof(struct type), sysctl_handle_opaque, \
 202                 "S," #type, descr)
 203
 204 /* Oid for a procedure.  Specified by a pointer and an arg. */
 205 #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
 206         SYSCTL_OID(parent, nbr, name, access, \
 207                 ptr, arg, handler, fmt, descr)
 208 #endif /* KERNEL */
 209
 210 /*
 211  * Top-level identifiers
 212  */
 213 #define CTL_UNSPEC      0               /* unused */
 214 #define CTL_KERN        1               /* "high kernel": proc, limits */
 215 #define CTL_VM          2               /* virtual memory */
 216 #define CTL_VFS         3               /* file system, mount type is next */
 217 #define CTL_NET         4               /* network, see socket.h */
 218 #define CTL_DEBUG       5               /* debugging parameters */
 219 #define CTL_HW          6               /* generic cpu/io */
 220 #define CTL_MACHDEP     7               /* machine dependent */
 221 #define CTL_USER        8               /* user-level */
 222 #define CTL_P1003_1B    9               /* POSIX 1003.1B */
 223 #define CTL_MAXID       10              /* number of valid top-level ids */
 224
 225 #define CTL_NAMES { \
 226         { 0, 0 }, \
 227         { "kern", CTLTYPE_NODE }, \
 228         { "vm", CTLTYPE_NODE }, \
 229         { "vfs", CTLTYPE_NODE }, \
 230         { "net", CTLTYPE_NODE }, \
 231         { "debug", CTLTYPE_NODE }, \
 232         { "hw", CTLTYPE_NODE }, \
 233         { "machdep", CTLTYPE_NODE }, \
 234         { "user", CTLTYPE_NODE }, \
 235         { "p1003_1b", CTLTYPE_NODE }, \
 236 }
 237
 238 /*
 239  * CTL_KERN identifiers
 240  */
 241 #define KERN_OSTYPE              1      /* string: system version */
 242 #define KERN_OSRELEASE           2      /* string: system release */
 243 #define KERN_OSREV               3      /* int: system revision */
 244 #define KERN_VERSION             4      /* string: compile time info */
 245 #define KERN_MAXVNODES           5      /* int: max vnodes */
 246 #define KERN_MAXPROC             6      /* int: max processes */
 247 #define KERN_MAXFILES            7      /* int: max open files */
 248 #define KERN_ARGMAX              8      /* int: max arguments to exec */
 249 #define KERN_SECURELVL           9      /* int: system security level */
 250 #define KERN_HOSTNAME           10      /* string: hostname */
 251 #define KERN_HOSTID             11      /* int: host identifier */
 252 #define KERN_CLOCKRATE          12      /* struct: struct clockrate */
 253 #define KERN_VNODE              13      /* struct: vnode structures */
 254 #define KERN_PROC               14      /* struct: process entries */
 255 #define KERN_FILE               15      /* struct: file entries */
 256 #define KERN_PROF               16      /* node: kernel profiling info */
 257 #define KERN_POSIX1             17      /* int: POSIX.1 version */
 258 #define KERN_NGROUPS            18      /* int: # of supplemental group ids */
 259 #define KERN_JOB_CONTROL        19      /* int: is job control available */
 260 #define KERN_SAVED_IDS          20      /* int: saved set-user/group-ID */
 261 #define KERN_BOOTTIME           21      /* struct: time kernel was booted */
 262 #define KERN_NISDOMAINNAME      22      /* string: YP domain name */
 263 #define KERN_UPDATEINTERVAL     23      /* int: update process sleep time */
 264 #define KERN_OSRELDATE          24      /* int: OS release date */
 265 #define KERN_NTP_PLL            25      /* node: NTP PLL control */
 266 #define KERN_BOOTFILE           26      /* string: name of booted kernel */
 267 #define KERN_MAXFILESPERPROC    27      /* int: max open files per proc */
 268 #define KERN_MAXPROCPERUID      28      /* int: max processes per uid */
 269 #define KERN_DUMPDEV            29      /* dev_t: device to dump on */
 270 #define KERN_IPC                30      /* node: anything related to IPC */
 271 #define KERN_DUMMY              31      /* unused */
 272 #define KERN_PS_STRINGS         32      /* int: address of PS_STRINGS */
 273 #define KERN_USRSTACK           33      /* int: address of USRSTACK */
 274 #define KERN_LOGSIGEXIT         34      /* int: do we log sigexit procs? */
 275 #define KERN_MAXID              35      /* number of valid kern ids */
 276
 277 #define CTL_KERN_NAMES { \
 278         { 0, 0 }, \
 279         { "ostype", CTLTYPE_STRING }, \
 280         { "osrelease", CTLTYPE_STRING }, \
 281         { "osrevision", CTLTYPE_INT }, \
 282         { "version", CTLTYPE_STRING }, \
 283         { "maxvnodes", CTLTYPE_INT }, \
 284         { "maxproc", CTLTYPE_INT }, \
 285         { "maxfiles", CTLTYPE_INT }, \
 286         { "argmax", CTLTYPE_INT }, \
 287         { "securelevel", CTLTYPE_INT }, \
 288         { "hostname", CTLTYPE_STRING }, \
 289         { "hostid", CTLTYPE_INT }, \
 290         { "clockrate", CTLTYPE_STRUCT }, \
 291         { "vnode", CTLTYPE_STRUCT }, \
 292         { "proc", CTLTYPE_STRUCT }, \
 293         { "file", CTLTYPE_STRUCT }, \
 294         { "profiling", CTLTYPE_NODE }, \
 295         { "posix1version", CTLTYPE_INT }, \
 296         { "ngroups", CTLTYPE_INT }, \
 297         { "job_control", CTLTYPE_INT }, \
 298         { "saved_ids", CTLTYPE_INT }, \
 299         { "boottime", CTLTYPE_STRUCT }, \
 300         { "nisdomainname", CTLTYPE_STRING }, \
 301         { "update", CTLTYPE_INT }, \
 302         { "osreldate", CTLTYPE_INT }, \
 303         { "ntp_pll", CTLTYPE_NODE }, \
 304         { "bootfile", CTLTYPE_STRING }, \
 305         { "maxfilesperproc", CTLTYPE_INT }, \
 306         { "maxprocperuid", CTLTYPE_INT }, \
 307         { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \
 308         { "ipc", CTLTYPE_NODE }, \
 309         { "dummy", CTLTYPE_INT }, \
 310         { "ps_strings", CTLTYPE_INT }, \
 311         { "usrstack", CTLTYPE_INT }, \
 312         { "logsigexit", CTLTYPE_INT }, \
 313 }
 314
 315 /*
 316  * CTL_VFS identifiers
 317  */
 318 #define CTL_VFS_NAMES { \
 319         { "vfsconf", CTLTYPE_STRUCT }, \
 320 }
 321
 322 /*
 323  * KERN_PROC subtypes
 324  */
 325 #define KERN_PROC_ALL           0       /* everything */
 326 #define KERN_PROC_PID           1       /* by process id */
 327 #define KERN_PROC_PGRP          2       /* by process group id */
 328 #define KERN_PROC_SESSION       3       /* by session of pid */
 329 #define KERN_PROC_TTY           4       /* by controlling tty */
 330 #define KERN_PROC_UID           5       /* by effective uid */
 331 #define KERN_PROC_RUID          6       /* by real uid */
 332
 333 /*
 334  * KERN_IPC identifiers
 335  */
 336 #define KIPC_MAXSOCKBUF         1       /* int: max size of a socket buffer */
 337 #define KIPC_SOCKBUF_WASTE      2       /* int: wastage factor in sockbuf */
 338 #define KIPC_SOMAXCONN          3       /* int: max length of connection q */
 339 #define KIPC_MAX_LINKHDR        4       /* int: max length of link header */
 340 #define KIPC_MAX_PROTOHDR       5       /* int: max length of network header */
 341 #define KIPC_MAX_HDR            6       /* int: max total length of headers */
 342 #define KIPC_MAX_DATALEN        7       /* int: max length of data? */
 343 #define KIPC_MBSTAT             8       /* struct: mbuf usage statistics */
 344 #define KIPC_NMBCLUSTERS        9       /* int: maximum mbuf clusters */
 345
 346 /*
 347  * CTL_HW identifiers
 348  */
 349 #define HW_MACHINE       1              /* string: machine class */
 350 #define HW_MODEL         2              /* string: specific machine model */
 351 #define HW_NCPU          3              /* int: number of cpus */
 352 #define HW_BYTEORDER     4              /* int: machine byte order */
 353 #define HW_PHYSMEM       5              /* int: total memory */
 354 #define HW_USERMEM       6              /* int: non-kernel memory */
 355 #define HW_PAGESIZE      7              /* int: software page size */
 356 #define HW_DISKNAMES     8              /* strings: disk drive names */
 357 #define HW_DISKSTATS     9              /* struct: diskstats[] */
 358 #define HW_FLOATINGPT   10              /* int: has HW floating point? */
 359 #define HW_MACHINE_ARCH 11              /* string: machine architecture */
 360 #define HW_MAXID        12              /* number of valid hw ids */
 361
 362 #define CTL_HW_NAMES { \
 363         { 0, 0 }, \
 364         { "machine", CTLTYPE_STRING }, \
 365         { "model", CTLTYPE_STRING }, \
 366         { "ncpu", CTLTYPE_INT }, \
 367         { "byteorder", CTLTYPE_INT }, \
 368         { "physmem", CTLTYPE_INT }, \
 369         { "usermem", CTLTYPE_INT }, \
 370         { "pagesize", CTLTYPE_INT }, \
 371         { "disknames", CTLTYPE_STRUCT }, \
 372         { "diskstats", CTLTYPE_STRUCT }, \
 373         { "floatingpoint", CTLTYPE_INT }, \
 374 }
 375
 376 /*
 377  * CTL_USER definitions
 378  */
 379 #define USER_CS_PATH             1      /* string: _CS_PATH */
 380 #define USER_BC_BASE_MAX         2      /* int: BC_BASE_MAX */
 381 #define USER_BC_DIM_MAX          3      /* int: BC_DIM_MAX */
 382 #define USER_BC_SCALE_MAX        4      /* int: BC_SCALE_MAX */
 383 #define USER_BC_STRING_MAX       5      /* int: BC_STRING_MAX */
 384 #define USER_COLL_WEIGHTS_MAX    6      /* int: COLL_WEIGHTS_MAX */
 385 #define USER_EXPR_NEST_MAX       7      /* int: EXPR_NEST_MAX */
 386 #define USER_LINE_MAX            8      /* int: LINE_MAX */
 387 #define USER_RE_DUP_MAX          9      /* int: RE_DUP_MAX */
 388 #define USER_POSIX2_VERSION     10      /* int: POSIX2_VERSION */
 389 #define USER_POSIX2_C_BIND      11      /* int: POSIX2_C_BIND */
 390 #define USER_POSIX2_C_DEV       12      /* int: POSIX2_C_DEV */
 391 #define USER_POSIX2_CHAR_TERM   13      /* int: POSIX2_CHAR_TERM */
 392 #define USER_POSIX2_FORT_DEV    14      /* int: POSIX2_FORT_DEV */
 393 #define USER_POSIX2_FORT_RUN    15      /* int: POSIX2_FORT_RUN */
 394 #define USER_POSIX2_LOCALEDEF   16      /* int: POSIX2_LOCALEDEF */
 395 #define USER_POSIX2_SW_DEV      17      /* int: POSIX2_SW_DEV */
 396 #define USER_POSIX2_UPE         18      /* int: POSIX2_UPE */
 397 #define USER_STREAM_MAX         19      /* int: POSIX2_STREAM_MAX */
 398 #define USER_TZNAME_MAX         20      /* int: POSIX2_TZNAME_MAX */
 399 #define USER_MAXID              21      /* number of valid user ids */
 400
 401 #define CTL_USER_NAMES { \
 402         { 0, 0 }, \
 403         { "cs_path", CTLTYPE_STRING }, \
 404         { "bc_base_max", CTLTYPE_INT }, \
 405         { "bc_dim_max", CTLTYPE_INT }, \
 406         { "bc_scale_max", CTLTYPE_INT }, \
 407         { "bc_string_max", CTLTYPE_INT }, \
 408         { "coll_weights_max", CTLTYPE_INT }, \
 409         { "expr_nest_max", CTLTYPE_INT }, \
 410         { "line_max", CTLTYPE_INT }, \
 411         { "re_dup_max", CTLTYPE_INT }, \
 412         { "posix2_version", CTLTYPE_INT }, \
 413         { "posix2_c_bind", CTLTYPE_INT }, \
 414         { "posix2_c_dev", CTLTYPE_INT }, \
 415         { "posix2_char_term", CTLTYPE_INT }, \
 416         { "posix2_fort_dev", CTLTYPE_INT }, \
 417         { "posix2_fort_run", CTLTYPE_INT }, \
 418         { "posix2_localedef", CTLTYPE_INT }, \
 419         { "posix2_sw_dev", CTLTYPE_INT }, \
 420         { "posix2_upe", CTLTYPE_INT }, \
 421         { "stream_max", CTLTYPE_INT }, \
 422         { "tzname_max", CTLTYPE_INT }, \
 423 }
 424
 425 #define CTL_P1003_1B_ASYNCHRONOUS_IO            1       /* boolean */
 426 #define CTL_P1003_1B_MAPPED_FILES               2       /* boolean */
 427 #define CTL_P1003_1B_MEMLOCK                    3       /* boolean */
 428 #define CTL_P1003_1B_MEMLOCK_RANGE              4       /* boolean */
 429 #define CTL_P1003_1B_MEMORY_PROTECTION          5       /* boolean */
 430 #define CTL_P1003_1B_MESSAGE_PASSING            6       /* boolean */
 431 #define CTL_P1003_1B_PRIORITIZED_IO             7       /* boolean */
 432 #define CTL_P1003_1B_PRIORITY_SCHEDULING        8       /* boolean */
 433 #define CTL_P1003_1B_REALTIME_SIGNALS           9       /* boolean */
 434 #define CTL_P1003_1B_SEMAPHORES                 10      /* boolean */
 435 #define CTL_P1003_1B_FSYNC                      11      /* boolean */
 436 #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS      12      /* boolean */
 437 #define CTL_P1003_1B_SYNCHRONIZED_IO            13      /* boolean */
 438 #define CTL_P1003_1B_TIMERS                     14      /* boolean */
 439 #define CTL_P1003_1B_AIO_LISTIO_MAX             15      /* int */
 440 #define CTL_P1003_1B_AIO_MAX                    16      /* int */
 441 #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX         17      /* int */
 442 #define CTL_P1003_1B_DELAYTIMER_MAX             18      /* int */
 443 #define CTL_P1003_1B_MQ_OPEN_MAX                19      /* int */
 444 #define CTL_P1003_1B_PAGESIZE                   20      /* int */
 445 #define CTL_P1003_1B_RTSIG_MAX                  21      /* int */
 446 #define CTL_P1003_1B_SEM_NSEMS_MAX              22      /* int */
 447 #define CTL_P1003_1B_SEM_VALUE_MAX              23      /* int */
 448 #define CTL_P1003_1B_SIGQUEUE_MAX               24      /* int */
 449 #define CTL_P1003_1B_TIMER_MAX                  25      /* int */
 450
 451 #define CTL_P1003_1B_MAXID              26
 452
 453 #define CTL_P1003_1B_NAMES { \
 454         { 0, 0 }, \
 455         { "asynchronous_io", CTLTYPE_INT }, \
 456         { "mapped_files", CTLTYPE_INT }, \
 457         { "memlock", CTLTYPE_INT }, \
 458         { "memlock_range", CTLTYPE_INT }, \
 459         { "memory_protection", CTLTYPE_INT }, \
 460         { "message_passing", CTLTYPE_INT }, \
 461         { "prioritized_io", CTLTYPE_INT }, \
 462         { "priority_scheduling", CTLTYPE_INT }, \
 463         { "realtime_signals", CTLTYPE_INT }, \
 464         { "semaphores", CTLTYPE_INT }, \
 465         { "fsync", CTLTYPE_INT }, \
 466         { "shared_memory_objects", CTLTYPE_INT }, \
 467         { "synchronized_io", CTLTYPE_INT }, \
 468         { "timers", CTLTYPE_INT }, \
 469         { "aio_listio_max", CTLTYPE_INT }, \
 470         { "aio_max", CTLTYPE_INT }, \
 471         { "aio_prio_delta_max", CTLTYPE_INT }, \
 472         { "delaytimer_max", CTLTYPE_INT }, \
 473         { "mq_open_max", CTLTYPE_INT }, \
 474         { "pagesize", CTLTYPE_INT }, \
 475         { "rtsig_max", CTLTYPE_INT }, \
 476         { "nsems_max", CTLTYPE_INT }, \
 477         { "sem_value_max", CTLTYPE_INT }, \
 478         { "sigqueue_max", CTLTYPE_INT }, \
 479         { "timer_max", CTLTYPE_INT }, \
 480 }
 481
 482 #ifdef KERNEL
 483
 484 extern char     machine[];
 485 extern char     osrelease[];
 486 extern char     ostype[];
 487
 488 int     kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old,
 489                       size_t *oldlenp, void *new, size_t newlen,
 490                       size_t *retval);
 491 void    sysctl_order_all(void);
 492 int     userland_sysctl(struct proc *p, int *name, u_int namelen, void *old,
 493                         size_t *oldlenp, int inkernel, void *new, size_t newlen,
 494                         size_t *retval);
 495
 496 #else   /* !KERNEL */
 497 #include <sys/EfiCdefs.h>
 498
 499 __BEGIN_DECLS
 500 int     sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
 501 int     sysctlbyname __P((const char *, void *, size_t *, void *, size_t));
 502 __END_DECLS
 503 #endif  /* KERNEL */
 504
 505 #endif  /* !_SYS_SYSCTL_H_ */