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+/*
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Mike Karels at Berkeley Software Design, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)sysctl.h 8.1 (Berkeley) 6/2/93
+ * $FreeBSD: src/sys/sys/sysctl.h,v 1.133 2004/10/11 22:04:16 peter Exp $
+ */
+
+#ifndef _SYS_SYSCTL_H_
+#define _SYS_SYSCTL_H_
+
+#include <stdint.h>
+#include <sys/queue.h>
+
+struct thread;
+/*
+ * Definitions for sysctl call. The sysctl call uses a hierarchical name
+ * for objects that can be examined or modified. The name is expressed as
+ * a sequence of integers. Like a file path name, the meaning of each
+ * component depends on its place in the hierarchy. The top-level and kern
+ * identifiers are defined here, and other identifiers are defined in the
+ * respective subsystem header files.
+ */
+
+#define CTL_MAXNAME 24 /* largest number of components supported */
+
+/*
+ * Each subsystem defined by sysctl defines a list of variables
+ * for that subsystem. Each name is either a node with further
+ * levels defined below it, or it is a leaf of some particular
+ * type given below. Each sysctl level defines a set of name/type
+ * pairs to be used by sysctl(8) in manipulating the subsystem.
+ */
+struct ctlname {
+ char *ctl_name; /* subsystem name */
+ int ctl_type; /* type of name */
+};
+
+#define CTLTYPE 0xf /* Mask for the type */
+#define CTLTYPE_NODE 1 /* name is a node */
+#define CTLTYPE_INT 2 /* name describes an integer */
+#define CTLTYPE_STRING 3 /* name describes a string */
+#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */
+#define CTLTYPE_OPAQUE 5 /* name describes a structure */
+#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */
+#define CTLTYPE_UINT 6 /* name describes an unsigned integer */
+#define CTLTYPE_LONG 7 /* name describes a long */
+#define CTLTYPE_ULONG 8 /* name describes an unsigned long */
+
+#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */
+#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */
+#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR)
+#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */
+#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */
+#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */
+#define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */
+#define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */
+#define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */
+#define CTLMASK_SECURE 0x00F00000 /* Secure level */
+#define CTLFLAG_TUN 0x00080000 /* Tunable variable */
+#define CTLFLAG_RDTUN (CTLFLAG_RD|CTLFLAG_TUN)
+
+/*
+ * Secure level. Note that CTLFLAG_SECURE == CTLFLAG_SECURE1.
+ *
+ * Secure when the securelevel is raised to at least N.
+ */
+#define CTLSHIFT_SECURE 20
+#define CTLFLAG_SECURE1 (CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE))
+#define CTLFLAG_SECURE2 (CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE))
+#define CTLFLAG_SECURE3 (CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE))
+
+/*
+ * USE THIS instead of a hardwired number from the categories below
+ * to get dynamically assigned sysctl entries using the linker-set
+ * technology. This is the way nearly all new sysctl variables should
+ * be implemented.
+ * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
+ */
+#define OID_AUTO (-1)
+
+/*
+ * The starting number for dynamically-assigned entries. WARNING!
+ * ALL static sysctl entries should have numbers LESS than this!
+ */
+#define CTL_AUTO_START 0x100
+
+#ifdef _KERNEL
+#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \
+ struct sysctl_req *req
+
+/* definitions for sysctl_req 'lock' member */
+#define REQ_UNLOCKED 0 /* not locked and not wired */
+#define REQ_LOCKED 1 /* locked and not wired */
+#define REQ_WIRED 2 /* locked and wired */
+
+/*
+ * This describes the access space for a sysctl request. This is needed
+ * so that we can use the interface from the kernel or from user-space.
+ */
+struct sysctl_req {
+ struct thread *td; /* used for access checking */
+ int lock; /* locking/wiring state */
+ void *oldptr;
+ size_t oldlen;
+ size_t oldidx;
+ int (*oldfunc)(struct sysctl_req *, const void *, size_t);
+ void *newptr;
+ size_t newlen;
+ size_t newidx;
+ int (*newfunc)(struct sysctl_req *, void *, size_t);
+ size_t validlen;
+};
+
+SLIST_HEAD(sysctl_oid_list, sysctl_oid);
+
+/*
+ * This describes one "oid" in the MIB tree. Potentially more nodes can
+ * be hidden behind it, expanded by the handler.
+ */
+struct sysctl_oid {
+ struct sysctl_oid_list *oid_parent;
+ SLIST_ENTRY(sysctl_oid) oid_link;
+ int oid_number;
+ uint32_t oid_kind;
+ void *oid_arg1;
+ int32_t oid_arg2;
+ const char *oid_name;
+ int (*oid_handler)(SYSCTL_HANDLER_ARGS);
+ const char *oid_fmt;
+ int oid_refcnt;
+ const char *descr;
+};
+
+#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
+#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
+
+int sysctl_handle_int(SYSCTL_HANDLER_ARGS);
+int sysctl_handle_long(SYSCTL_HANDLER_ARGS);
+int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS);
+int sysctl_handle_string(SYSCTL_HANDLER_ARGS);
+int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS);
+
+/*
+ * These functions are used to add/remove an oid from the mib.
+ */
+void sysctl_register_oid(struct sysctl_oid *oidp);
+void sysctl_unregister_oid(struct sysctl_oid *oidp);
+
+/* Declare a static oid to allow child oids to be added to it. */
+#define SYSCTL_DECL(name) \
+ extern struct sysctl_oid_list sysctl_##name##_children
+
+/* Hide these in macros */
+#define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \
+ (oid_ptr)->oid_arg1
+#define SYSCTL_CHILDREN_SET(oid_ptr, val) \
+ (oid_ptr)->oid_arg1 = (val);
+#define SYSCTL_STATIC_CHILDREN(oid_name) \
+ (&sysctl_##oid_name##_children)
+
+/* === Structs and macros related to context handling === */
+
+/* All dynamically created sysctls can be tracked in a context list. */
+struct sysctl_ctx_entry {
+ struct sysctl_oid *entry;
+ TAILQ_ENTRY(sysctl_ctx_entry) link;
+};
+
+TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
+
+#define SYSCTL_NODE_CHILDREN(parent, name) \
+ sysctl_##parent##_##name##_children
+
+/* This constructs a "raw" MIB oid. */
+#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
+ static struct sysctl_oid sysctl__##parent##_##name = { \
+ &sysctl_##parent##_children, { 0 }, \
+ nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \
+ DATA_SET(sysctl_set, sysctl__##parent##_##name)
+
+#define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr)
+
+/* This constructs a node from which other oids can hang. */
+#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
+ struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name); \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \
+ (void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, \
+ "N", descr)
+
+#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \
+ 0, 0, handler, "N", descr)
+
+/* Oid for a string. len can be 0 to indicate '\0' termination. */
+#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \
+ arg, len, sysctl_handle_string, "A", descr)
+
+#define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \
+ arg, len, sysctl_handle_string, "A", descr)
+
+/* Oid for an int. If ptr is NULL, val is returned. */
+#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \
+ ptr, val, sysctl_handle_int, "I", descr)
+
+#define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access), \
+ ptr, val, sysctl_handle_int, "I", descr)
+
+/* Oid for an unsigned int. If ptr is NULL, val is returned. */
+#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \
+ ptr, val, sysctl_handle_int, "IU", descr)
+
+#define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access), \
+ ptr, val, sysctl_handle_int, "IU", descr)
+
+/* Oid for a long. The pointer must be non NULL. */
+#define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \
+ ptr, val, sysctl_handle_long, "L", descr)
+
+#define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access), \
+ ptr, 0, sysctl_handle_long, "L", descr)
+
+/* Oid for an unsigned long. The pointer must be non NULL. */
+#define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \
+ ptr, val, sysctl_handle_long, "LU", descr)
+
+#define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access), \
+ ptr, 0, sysctl_handle_long, "LU", descr)
+
+/* Oid for an opaque object. Specified by a pointer and a length. */
+#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \
+ ptr, len, sysctl_handle_opaque, fmt, descr)
+
+#define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \
+ ptr, len, sysctl_handle_opaque, fmt, descr)
+
+/* Oid for a struct. Specified by a pointer and a type. */
+#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \
+ ptr, sizeof(struct type), sysctl_handle_opaque, \
+ "S," #type, descr)
+
+#define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \
+ ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr)
+
+/* Oid for a procedure. Specified by a pointer and an arg. */
+#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
+ SYSCTL_OID(parent, nbr, name, (access), \
+ ptr, arg, handler, fmt, descr)
+
+#define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
+ sysctl_add_oid(ctx, parent, nbr, name, (access), \
+ ptr, arg, handler, fmt, descr)
+
+#endif /* _KERNEL */
+
+/*
+ * Top-level identifiers
+ */
+#define CTL_UNSPEC 0 /* unused */
+#define CTL_KERN 1 /* "high kernel": proc, limits */
+#define CTL_VM 2 /* virtual memory */
+#define CTL_VFS 3 /* filesystem, mount type is next */
+#define CTL_NET 4 /* network, see socket.h */
+#define CTL_DEBUG 5 /* debugging parameters */
+#define CTL_HW 6 /* generic cpu/io */
+#define CTL_MACHDEP 7 /* machine dependent */
+#define CTL_USER 8 /* user-level */
+#define CTL_P1003_1B 9 /* POSIX 1003.1B */
+#define CTL_MAXID 10 /* number of valid top-level ids */
+
+#define CTL_NAMES { \
+ { 0, 0 }, \
+ { "kern", CTLTYPE_NODE }, \
+ { "vm", CTLTYPE_NODE }, \
+ { "vfs", CTLTYPE_NODE }, \
+ { "net", CTLTYPE_NODE }, \
+ { "debug", CTLTYPE_NODE }, \
+ { "hw", CTLTYPE_NODE }, \
+ { "machdep", CTLTYPE_NODE }, \
+ { "user", CTLTYPE_NODE }, \
+ { "p1003_1b", CTLTYPE_NODE }, \
+}
+
+/*
+ * CTL_KERN identifiers
+ */
+#define KERN_OSTYPE 1 /* string: system version */
+#define KERN_OSRELEASE 2 /* string: system release */
+#define KERN_OSREV 3 /* int: system revision */
+#define KERN_VERSION 4 /* string: compile time info */
+#define KERN_MAXVNODES 5 /* int: max vnodes */
+#define KERN_MAXPROC 6 /* int: max processes */
+#define KERN_MAXFILES 7 /* int: max open files */
+#define KERN_ARGMAX 8 /* int: max arguments to exec */
+#define KERN_SECURELVL 9 /* int: system security level */
+#define KERN_HOSTNAME 10 /* string: hostname */
+#define KERN_HOSTID 11 /* int: host identifier */
+#define KERN_CLOCKRATE 12 /* struct: struct clockrate */
+#define KERN_VNODE 13 /* struct: vnode structures */
+#define KERN_PROC 14 /* struct: process entries */
+#define KERN_FILE 15 /* struct: file entries */
+#define KERN_PROF 16 /* node: kernel profiling info */
+#define KERN_POSIX1 17 /* int: POSIX.1 version */
+#define KERN_NGROUPS 18 /* int: # of supplemental group ids */
+#define KERN_JOB_CONTROL 19 /* int: is job control available */
+#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */
+#define KERN_BOOTTIME 21 /* struct: time kernel was booted */
+#define KERN_NISDOMAINNAME 22 /* string: YP domain name */
+#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */
+#define KERN_OSRELDATE 24 /* int: kernel release date */
+#define KERN_NTP_PLL 25 /* node: NTP PLL control */
+#define KERN_BOOTFILE 26 /* string: name of booted kernel */
+#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */
+#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */
+#define KERN_DUMPDEV 29 /* struct cdev *: device to dump on */
+#define KERN_IPC 30 /* node: anything related to IPC */
+#define KERN_DUMMY 31 /* unused */
+#define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */
+#define KERN_USRSTACK 33 /* int: address of USRSTACK */
+#define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */
+#define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */
+#define KERN_MAXID 36 /* number of valid kern ids */
+
+#define CTL_KERN_NAMES { \
+ { 0, 0 }, \
+ { "ostype", CTLTYPE_STRING }, \
+ { "osrelease", CTLTYPE_STRING }, \
+ { "osrevision", CTLTYPE_INT }, \
+ { "version", CTLTYPE_STRING }, \
+ { "maxvnodes", CTLTYPE_INT }, \
+ { "maxproc", CTLTYPE_INT }, \
+ { "maxfiles", CTLTYPE_INT }, \
+ { "argmax", CTLTYPE_INT }, \
+ { "securelevel", CTLTYPE_INT }, \
+ { "hostname", CTLTYPE_STRING }, \
+ { "hostid", CTLTYPE_UINT }, \
+ { "clockrate", CTLTYPE_STRUCT }, \
+ { "vnode", CTLTYPE_STRUCT }, \
+ { "proc", CTLTYPE_STRUCT }, \
+ { "file", CTLTYPE_STRUCT }, \
+ { "profiling", CTLTYPE_NODE }, \
+ { "posix1version", CTLTYPE_INT }, \
+ { "ngroups", CTLTYPE_INT }, \
+ { "job_control", CTLTYPE_INT }, \
+ { "saved_ids", CTLTYPE_INT }, \
+ { "boottime", CTLTYPE_STRUCT }, \
+ { "nisdomainname", CTLTYPE_STRING }, \
+ { "update", CTLTYPE_INT }, \
+ { "osreldate", CTLTYPE_INT }, \
+ { "ntp_pll", CTLTYPE_NODE }, \
+ { "bootfile", CTLTYPE_STRING }, \
+ { "maxfilesperproc", CTLTYPE_INT }, \
+ { "maxprocperuid", CTLTYPE_INT }, \
+ { "ipc", CTLTYPE_NODE }, \
+ { "dummy", CTLTYPE_INT }, \
+ { "ps_strings", CTLTYPE_INT }, \
+ { "usrstack", CTLTYPE_INT }, \
+ { "logsigexit", CTLTYPE_INT }, \
+ { "iov_max", CTLTYPE_INT }, \
+}
+
+/*
+ * CTL_VFS identifiers
+ */
+#define CTL_VFS_NAMES { \
+ { "vfsconf", CTLTYPE_STRUCT }, \
+}
+
+/*
+ * KERN_PROC subtypes
+ */
+#define KERN_PROC_ALL 0 /* everything */
+#define KERN_PROC_PID 1 /* by process id */
+#define KERN_PROC_PGRP 2 /* by process group id */
+#define KERN_PROC_SESSION 3 /* by session of pid */
+#define KERN_PROC_TTY 4 /* by controlling tty */
+#define KERN_PROC_UID 5 /* by effective uid */
+#define KERN_PROC_RUID 6 /* by real uid */
+#define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */
+#define KERN_PROC_PROC 8 /* only return procs */
+#define KERN_PROC_SV_NAME 9 /* get syscall vector name */
+#define KERN_PROC_RGID 10 /* by real group id */
+#define KERN_PROC_GID 11 /* by effective group id */
+#define KERN_PROC_INC_THREAD 0x10 /*
+ * modifier for pid, pgrp, tty,
+ * uid, ruid, gid, rgid and proc
+ */
+
+/*
+ * KERN_IPC identifiers
+ */
+#define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */
+#define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */
+#define KIPC_SOMAXCONN 3 /* int: max length of connection q */
+#define KIPC_MAX_LINKHDR 4 /* int: max length of link header */
+#define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */
+#define KIPC_MAX_HDR 6 /* int: max total length of headers */
+#define KIPC_MAX_DATALEN 7 /* int: max length of data? */
+
+/*
+ * CTL_HW identifiers
+ */
+#define HW_MACHINE 1 /* string: machine class */
+#define HW_MODEL 2 /* string: specific machine model */
+#define HW_NCPU 3 /* int: number of cpus */
+#define HW_BYTEORDER 4 /* int: machine byte order */
+#define HW_PHYSMEM 5 /* int: total memory */
+#define HW_USERMEM 6 /* int: non-kernel memory */
+#define HW_PAGESIZE 7 /* int: software page size */
+#define HW_DISKNAMES 8 /* strings: disk drive names */
+#define HW_DISKSTATS 9 /* struct: diskstats[] */
+#define HW_FLOATINGPT 10 /* int: has HW floating point? */
+#define HW_MACHINE_ARCH 11 /* string: machine architecture */
+#define HW_MAXID 12 /* number of valid hw ids */
+
+#define CTL_HW_NAMES { \
+ { 0, 0 }, \
+ { "machine", CTLTYPE_STRING }, \
+ { "model", CTLTYPE_STRING }, \
+ { "ncpu", CTLTYPE_INT }, \
+ { "byteorder", CTLTYPE_INT }, \
+ { "physmem", CTLTYPE_ULONG }, \
+ { "usermem", CTLTYPE_ULONG }, \
+ { "pagesize", CTLTYPE_INT }, \
+ { "disknames", CTLTYPE_STRUCT }, \
+ { "diskstats", CTLTYPE_STRUCT }, \
+ { "floatingpoint", CTLTYPE_INT }, \
+}
+
+/*
+ * CTL_USER definitions
+ */
+#define USER_CS_PATH 1 /* string: _CS_PATH */
+#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */
+#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */
+#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */
+#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */
+#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */
+#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */
+#define USER_LINE_MAX 8 /* int: LINE_MAX */
+#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */
+#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */
+#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */
+#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */
+#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */
+#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */
+#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */
+#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */
+#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */
+#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */
+#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */
+#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */
+#define USER_MAXID 21 /* number of valid user ids */
+
+#define CTL_USER_NAMES { \
+ { 0, 0 }, \
+ { "cs_path", CTLTYPE_STRING }, \
+ { "bc_base_max", CTLTYPE_INT }, \
+ { "bc_dim_max", CTLTYPE_INT }, \
+ { "bc_scale_max", CTLTYPE_INT }, \
+ { "bc_string_max", CTLTYPE_INT }, \
+ { "coll_weights_max", CTLTYPE_INT }, \
+ { "expr_nest_max", CTLTYPE_INT }, \
+ { "line_max", CTLTYPE_INT }, \
+ { "re_dup_max", CTLTYPE_INT }, \
+ { "posix2_version", CTLTYPE_INT }, \
+ { "posix2_c_bind", CTLTYPE_INT }, \
+ { "posix2_c_dev", CTLTYPE_INT }, \
+ { "posix2_char_term", CTLTYPE_INT }, \
+ { "posix2_fort_dev", CTLTYPE_INT }, \
+ { "posix2_fort_run", CTLTYPE_INT }, \
+ { "posix2_localedef", CTLTYPE_INT }, \
+ { "posix2_sw_dev", CTLTYPE_INT }, \
+ { "posix2_upe", CTLTYPE_INT }, \
+ { "stream_max", CTLTYPE_INT }, \
+ { "tzname_max", CTLTYPE_INT }, \
+}
+
+#define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */
+#define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */
+#define CTL_P1003_1B_MEMLOCK 3 /* boolean */
+#define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */
+#define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */
+#define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */
+#define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */
+#define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */
+#define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */
+#define CTL_P1003_1B_SEMAPHORES 10 /* boolean */
+#define CTL_P1003_1B_FSYNC 11 /* boolean */
+#define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */
+#define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */
+#define CTL_P1003_1B_TIMERS 14 /* boolean */
+#define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */
+#define CTL_P1003_1B_AIO_MAX 16 /* int */
+#define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */
+#define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */
+#define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */
+#define CTL_P1003_1B_PAGESIZE 20 /* int */
+#define CTL_P1003_1B_RTSIG_MAX 21 /* int */
+#define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */
+#define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */
+#define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */
+#define CTL_P1003_1B_TIMER_MAX 25 /* int */
+
+#define CTL_P1003_1B_MAXID 26
+
+#define CTL_P1003_1B_NAMES { \
+ { 0, 0 }, \
+ { "asynchronous_io", CTLTYPE_INT }, \
+ { "mapped_files", CTLTYPE_INT }, \
+ { "memlock", CTLTYPE_INT }, \
+ { "memlock_range", CTLTYPE_INT }, \
+ { "memory_protection", CTLTYPE_INT }, \
+ { "message_passing", CTLTYPE_INT }, \
+ { "prioritized_io", CTLTYPE_INT }, \
+ { "priority_scheduling", CTLTYPE_INT }, \
+ { "realtime_signals", CTLTYPE_INT }, \
+ { "semaphores", CTLTYPE_INT }, \
+ { "fsync", CTLTYPE_INT }, \
+ { "shared_memory_objects", CTLTYPE_INT }, \
+ { "synchronized_io", CTLTYPE_INT }, \
+ { "timers", CTLTYPE_INT }, \
+ { "aio_listio_max", CTLTYPE_INT }, \
+ { "aio_max", CTLTYPE_INT }, \
+ { "aio_prio_delta_max", CTLTYPE_INT }, \
+ { "delaytimer_max", CTLTYPE_INT }, \
+ { "mq_open_max", CTLTYPE_INT }, \
+ { "pagesize", CTLTYPE_INT }, \
+ { "rtsig_max", CTLTYPE_INT }, \
+ { "nsems_max", CTLTYPE_INT }, \
+ { "sem_value_max", CTLTYPE_INT }, \
+ { "sigqueue_max", CTLTYPE_INT }, \
+ { "timer_max", CTLTYPE_INT }, \
+}
+
+#ifdef _KERNEL
+
+/*
+ * Declare some common oids.
+ */
+extern struct sysctl_oid_list sysctl__children;
+SYSCTL_DECL(_kern);
+SYSCTL_DECL(_sysctl);
+SYSCTL_DECL(_vm);
+SYSCTL_DECL(_vfs);
+SYSCTL_DECL(_net);
+SYSCTL_DECL(_debug);
+SYSCTL_DECL(_debug_sizeof);
+SYSCTL_DECL(_hw);
+SYSCTL_DECL(_machdep);
+SYSCTL_DECL(_user);
+SYSCTL_DECL(_compat);
+
+extern char machine[];
+extern char osrelease[];
+extern char ostype[];
+extern char kern_ident[];
+
+/* Dynamic oid handling */
+struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist,
+ struct sysctl_oid_list *parent, int nbr, const char *name,
+ int kind, void *arg1, int arg2,
+ int (*handler) (SYSCTL_HANDLER_ARGS),
+ const char *fmt, const char *descr);
+int sysctl_move_oid(struct sysctl_oid *oidp,
+ struct sysctl_oid_list *parent);
+int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse);
+int sysctl_ctx_init(struct sysctl_ctx_list *clist);
+int sysctl_ctx_free(struct sysctl_ctx_list *clist);
+struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist,
+ struct sysctl_oid *oidp);
+struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist,
+ struct sysctl_oid *oidp);
+int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist,
+ struct sysctl_oid *oidp);
+
+int kernel_sysctl(struct thread *td, int *name, u_int namelen, void *old,
+ size_t *oldlenp, void *new, size_t newlen,
+ size_t *retval);
+int kernel_sysctlbyname(struct thread *td, char *name,
+ void *old, size_t *oldlenp, void *new, size_t newlen,
+ size_t *retval);
+int userland_sysctl(struct thread *td, int *name, u_int namelen, void *old,
+ size_t *oldlenp, int inkernel, void *new, size_t newlen,
+ size_t *retval);
+int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid,
+ int *nindx, struct sysctl_req *req);
+int sysctl_wire_old_buffer(struct sysctl_req *req, size_t len);
+
+#else /* !_KERNEL */
+#include <rtems/bsd/sys/cdefs.h>
+
+__BEGIN_DECLS
+int sysctl(int *, u_int, void *, size_t *, void *, size_t);
+int sysctlbyname(const char *, void *, size_t *, void *, size_t);
+int sysctlnametomib(const char *, int *, size_t *);
+__END_DECLS
+#endif /* _KERNEL */
+
+#endif /* !_SYS_SYSCTL_H_ */