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-rw-r--r--cpukit/libnetworking/sys/sysctl.h347
1 files changed, 289 insertions, 58 deletions
diff --git a/cpukit/libnetworking/sys/sysctl.h b/cpukit/libnetworking/sys/sysctl.h
index b25ba43c4f..063f88a880 100644
--- a/cpukit/libnetworking/sys/sysctl.h
+++ b/cpukit/libnetworking/sys/sysctl.h
@@ -34,12 +34,15 @@
* SUCH DAMAGE.
*
* @(#)sysctl.h 8.1 (Berkeley) 6/2/93
- * $Id$
+ * $FreeBSD: src/sys/sys/sysctl.h,v 1.110 2002/10/20 22:48:08 phk Exp $
*/
#ifndef _SYS_SYSCTL_H_
#define _SYS_SYSCTL_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
@@ -70,84 +73,205 @@ struct ctlname {
#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 */
/*
* 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 implimented.
+ * 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)
+#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \
+ struct sysctl_req *req
/*
* 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 proc *p;
+ struct thread *td; /* used for access checking */
int lock;
void *oldptr;
- int oldlen;
- int oldidx;
- int (*oldfunc)(struct sysctl_req *, const void *, int);
+ size_t oldlen;
+ size_t oldidx;
+ int (*oldfunc)(struct sysctl_req *, const void *, size_t);
void *newptr;
- int newlen;
- int newidx;
- int (*newfunc)(struct sysctl_req *, void *, int);
+ size_t newlen;
+ size_t newidx;
+ int (*newfunc)(struct sysctl_req *, void *, size_t);
};
+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;
- int oid_kind;
+ u_int oid_kind;
void *oid_arg1;
int oid_arg2;
const char *oid_name;
- int (*oid_handler) SYSCTL_HANDLER_ARGS;
+ int (*oid_handler)(SYSCTL_HANDLER_ARGS);
const char *oid_fmt;
+ int oid_refcnt;
+ const char *descr;
};
-#define SYSCTL_IN(r, p, l)
-#define SYSCTL_OUT(r, p, l)
+#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_string SYSCTL_HANDLER_ARGS;
-int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
+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);
-/* This is the "raw" function for a mib-oid */
-#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr)
+/*
+ * 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);
-/* This makes a node from which other oids can hang */
-#define SYSCTL_NODE(parent, nbr, name, access, handler, descr)
+/* 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
-/* This is a string len can be 0 to indicate '\0' termination */
-#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr)
+/* Hide these in macros */
+#define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \
+ (oid_ptr)->oid_arg1
+#define SYSCTL_STATIC_CHILDREN(oid_name) \
+ (&sysctl_##oid_name##_children)
-/* This is a integer, if ptr is NULL, val is returned */
-#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr)
+/* === Structs and macros related to context handling === */
-/* This is anything, specified by a pointer and a lenth */
-#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr)
+/* 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;
+};
-/* This is a struct, specified by a pointer and type */
-#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr)
+TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
+
+/* 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_##parent##_##name##_children; \
+ SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \
+ (void*)&sysctl_##parent##_##name##_children, 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 a 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)
-/* Needs a proc. Specify by pointer and arg */
-#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr)
#endif /* KERNEL */
/*
@@ -156,13 +280,14 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
#define CTL_UNSPEC 0 /* unused */
#define CTL_KERN 1 /* "high kernel": proc, limits */
#define CTL_VM 2 /* virtual memory */
-#define CTL_VFS 3 /* file system, mount type is next */
+#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_MAXID 9 /* number of valid top-level ids */
+#define CTL_P1003_1B 9 /* POSIX 1003.1B */
+#define CTL_MAXID 10 /* number of valid top-level ids */
#define CTL_NAMES { \
{ 0, 0 }, \
@@ -174,6 +299,7 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
{ "hw", CTLTYPE_NODE }, \
{ "machdep", CTLTYPE_NODE }, \
{ "user", CTLTYPE_NODE }, \
+ { "p1003_1b", CTLTYPE_NODE }, \
}
/*
@@ -208,11 +334,13 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */
#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */
#define KERN_DUMPDEV 29 /* dev_t: device to dump on */
-#define KERN_SOMAXCONN 30 /* int: max connections in listen q */
-#define KERN_MAXSOCKBUF 31 /* int: max size of a socket buffer */
+#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_MAXID 34 /* number of valid kern ids */
+#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 }, \
@@ -226,7 +354,7 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
{ "argmax", CTLTYPE_INT }, \
{ "securelevel", CTLTYPE_INT }, \
{ "hostname", CTLTYPE_STRING }, \
- { "hostid", CTLTYPE_INT }, \
+ { "hostid", CTLTYPE_UINT }, \
{ "clockrate", CTLTYPE_STRUCT }, \
{ "vnode", CTLTYPE_STRUCT }, \
{ "proc", CTLTYPE_STRUCT }, \
@@ -240,23 +368,21 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
{ "nisdomainname", CTLTYPE_STRING }, \
{ "update", CTLTYPE_INT }, \
{ "osreldate", CTLTYPE_INT }, \
- { "ntp_pll", CTLTYPE_NODE }, \
+ { "ntp_pll", CTLTYPE_NODE }, \
{ "bootfile", CTLTYPE_STRING }, \
{ "maxfilesperproc", CTLTYPE_INT }, \
{ "maxprocperuid", CTLTYPE_INT }, \
- { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \
- { "somaxconn", CTLTYPE_INT }, \
- { "maxsockbuf", 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 VFS_VFSCONF 0 /* get configured filesystems */
-#define VFS_MAXID 1 /* number of items */
-
#define CTL_VFS_NAMES { \
{ "vfsconf", CTLTYPE_STRUCT }, \
}
@@ -271,6 +397,18 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
#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 */
+
+/*
+ * 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
@@ -294,8 +432,8 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
{ "model", CTLTYPE_STRING }, \
{ "ncpu", CTLTYPE_INT }, \
{ "byteorder", CTLTYPE_INT }, \
- { "physmem", CTLTYPE_INT }, \
- { "usermem", CTLTYPE_INT }, \
+ { "physmem", CTLTYPE_ULONG }, \
+ { "usermem", CTLTYPE_ULONG }, \
{ "pagesize", CTLTYPE_INT }, \
{ "disknames", CTLTYPE_STRUCT }, \
{ "diskstats", CTLTYPE_STRUCT }, \
@@ -351,28 +489,121 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
{ "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
-extern char cpu_model[];
+/*
+ * 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[];
-int kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old, size_t *oldlenp, void *new, size_t newlen, int *retval);
-int userland_sysctl(struct proc *p, int *name, u_int namelen, void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen, int *retval);
-/*
-int sysctl_clockrate __P((char *, size_t*));
-int sysctl_file __P((char *, size_t*));
-int sysctl_doproc __P((int *, u_int, char *, size_t*));
-int sysctl_doprof __P((int *, u_int, void *, size_t *, void *, size_t));
-*/
+/* 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_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);
+void sysctl_wire_old_buffer(struct sysctl_req *req, size_t len);
#else /* !KERNEL */
#include <sys/cdefs.h>
__BEGIN_DECLS
-int sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
-int sysctlbyname __P((const char *, void *, size_t *, void *, size_t));
+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 */
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