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init_sysctl.c revision 1.31.2.2
      1  1.31.2.2  skrll /*	$NetBSD: init_sysctl.c,v 1.31.2.2 2004/08/03 10:52:43 skrll Exp $ */
      2  1.31.2.2  skrll 
      3  1.31.2.2  skrll /*-
      4  1.31.2.2  skrll  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5  1.31.2.2  skrll  * All rights reserved.
      6  1.31.2.2  skrll  *
      7  1.31.2.2  skrll  * This code is derived from software contributed to The NetBSD Foundation
      8  1.31.2.2  skrll  * by Andrew Brown.
      9  1.31.2.2  skrll  *
     10  1.31.2.2  skrll  * Redistribution and use in source and binary forms, with or without
     11  1.31.2.2  skrll  * modification, are permitted provided that the following conditions
     12  1.31.2.2  skrll  * are met:
     13  1.31.2.2  skrll  * 1. Redistributions of source code must retain the above copyright
     14  1.31.2.2  skrll  *    notice, this list of conditions and the following disclaimer.
     15  1.31.2.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.31.2.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     17  1.31.2.2  skrll  *    documentation and/or other materials provided with the distribution.
     18  1.31.2.2  skrll  * 3. All advertising materials mentioning features or use of this software
     19  1.31.2.2  skrll  *    must display the following acknowledgement:
     20  1.31.2.2  skrll  *      This product includes software developed by the NetBSD
     21  1.31.2.2  skrll  *      Foundation, Inc. and its contributors.
     22  1.31.2.2  skrll  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.31.2.2  skrll  *    contributors may be used to endorse or promote products derived
     24  1.31.2.2  skrll  *    from this software without specific prior written permission.
     25  1.31.2.2  skrll  *
     26  1.31.2.2  skrll  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.31.2.2  skrll  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.31.2.2  skrll  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.31.2.2  skrll  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.31.2.2  skrll  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.31.2.2  skrll  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.31.2.2  skrll  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.31.2.2  skrll  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.31.2.2  skrll  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.31.2.2  skrll  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.31.2.2  skrll  * POSSIBILITY OF SUCH DAMAGE.
     37  1.31.2.2  skrll  */
     38  1.31.2.2  skrll 
     39  1.31.2.2  skrll #include <sys/cdefs.h>
     40  1.31.2.2  skrll __KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.31.2.2 2004/08/03 10:52:43 skrll Exp $");
     41  1.31.2.2  skrll 
     42  1.31.2.2  skrll #include "opt_sysv.h"
     43  1.31.2.2  skrll #include "opt_multiprocessor.h"
     44  1.31.2.2  skrll #include "opt_posix.h"
     45  1.31.2.2  skrll #include "pty.h"
     46  1.31.2.2  skrll #include "rnd.h"
     47  1.31.2.2  skrll 
     48  1.31.2.2  skrll #include <sys/types.h>
     49  1.31.2.2  skrll #include <sys/param.h>
     50  1.31.2.2  skrll #include <sys/sysctl.h>
     51  1.31.2.2  skrll #include <sys/errno.h>
     52  1.31.2.2  skrll #include <sys/systm.h>
     53  1.31.2.2  skrll #include <sys/kernel.h>
     54  1.31.2.2  skrll #include <sys/unistd.h>
     55  1.31.2.2  skrll #include <sys/disklabel.h>
     56  1.31.2.2  skrll #include <sys/rnd.h>
     57  1.31.2.2  skrll #include <sys/vnode.h>
     58  1.31.2.2  skrll #include <sys/mount.h>
     59  1.31.2.2  skrll #include <sys/namei.h>
     60  1.31.2.2  skrll #include <sys/msgbuf.h>
     61  1.31.2.2  skrll #include <dev/cons.h>
     62  1.31.2.2  skrll #include <sys/socketvar.h>
     63  1.31.2.2  skrll #include <sys/file.h>
     64  1.31.2.2  skrll #include <sys/tty.h>
     65  1.31.2.2  skrll #include <sys/malloc.h>
     66  1.31.2.2  skrll #include <sys/resource.h>
     67  1.31.2.2  skrll #include <sys/resourcevar.h>
     68  1.31.2.2  skrll #include <sys/exec.h>
     69  1.31.2.2  skrll #include <sys/conf.h>
     70  1.31.2.2  skrll #include <sys/device.h>
     71  1.31.2.2  skrll 
     72  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
     73  1.31.2.2  skrll #include <sys/ipc.h>
     74  1.31.2.2  skrll #endif
     75  1.31.2.2  skrll #ifdef SYSVMSG
     76  1.31.2.2  skrll #include <sys/msg.h>
     77  1.31.2.2  skrll #endif
     78  1.31.2.2  skrll #ifdef SYSVSEM
     79  1.31.2.2  skrll #include <sys/sem.h>
     80  1.31.2.2  skrll #endif
     81  1.31.2.2  skrll #ifdef SYSVSHM
     82  1.31.2.2  skrll #include <sys/shm.h>
     83  1.31.2.2  skrll #endif
     84  1.31.2.2  skrll 
     85  1.31.2.2  skrll #include <machine/cpu.h>
     86  1.31.2.2  skrll 
     87  1.31.2.2  skrll /*
     88  1.31.2.2  skrll  * try over estimating by 5 procs/lwps
     89  1.31.2.2  skrll  */
     90  1.31.2.2  skrll #define KERN_PROCSLOP	(5 * sizeof(struct kinfo_proc))
     91  1.31.2.2  skrll #define KERN_LWPSLOP	(5 * sizeof(struct kinfo_lwp))
     92  1.31.2.2  skrll 
     93  1.31.2.2  skrll #ifndef MULTIPROCESSOR
     94  1.31.2.2  skrll #define	sysctl_ncpus()	(1)
     95  1.31.2.2  skrll #else /* MULTIPROCESSOR */
     96  1.31.2.2  skrll #ifndef CPU_INFO_FOREACH
     97  1.31.2.2  skrll #define CPU_INFO_ITERATOR int
     98  1.31.2.2  skrll #define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL
     99  1.31.2.2  skrll #endif
    100  1.31.2.2  skrll static int
    101  1.31.2.2  skrll sysctl_ncpus(void)
    102  1.31.2.2  skrll {
    103  1.31.2.2  skrll 	struct cpu_info *ci;
    104  1.31.2.2  skrll 	CPU_INFO_ITERATOR cii;
    105  1.31.2.2  skrll 
    106  1.31.2.2  skrll 	int ncpus = 0;
    107  1.31.2.2  skrll 	for (CPU_INFO_FOREACH(cii, ci))
    108  1.31.2.2  skrll 		ncpus++;
    109  1.31.2.2  skrll 	return (ncpus);
    110  1.31.2.2  skrll }
    111  1.31.2.2  skrll #endif /* MULTIPROCESSOR */
    112  1.31.2.2  skrll 
    113  1.31.2.2  skrll static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO);
    114  1.31.2.2  skrll static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO);
    115  1.31.2.2  skrll static int sysctl_kern_maxproc(SYSCTLFN_PROTO);
    116  1.31.2.2  skrll static int sysctl_kern_securelevel(SYSCTLFN_PROTO);
    117  1.31.2.2  skrll static int sysctl_kern_hostid(SYSCTLFN_PROTO);
    118  1.31.2.2  skrll static int sysctl_setlen(SYSCTLFN_PROTO);
    119  1.31.2.2  skrll static int sysctl_kern_clockrate(SYSCTLFN_PROTO);
    120  1.31.2.2  skrll static int sysctl_kern_file(SYSCTLFN_PROTO);
    121  1.31.2.2  skrll static int sysctl_kern_autonice(SYSCTLFN_PROTO);
    122  1.31.2.2  skrll static int sysctl_msgbuf(SYSCTLFN_PROTO);
    123  1.31.2.2  skrll static int sysctl_kern_defcorename(SYSCTLFN_PROTO);
    124  1.31.2.2  skrll static int sysctl_kern_cptime(SYSCTLFN_PROTO);
    125  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
    126  1.31.2.2  skrll static int sysctl_kern_sysvipc(SYSCTLFN_PROTO);
    127  1.31.2.2  skrll #endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */
    128  1.31.2.2  skrll #if NPTY > 0
    129  1.31.2.2  skrll static int sysctl_kern_maxptys(SYSCTLFN_PROTO);
    130  1.31.2.2  skrll #endif /* NPTY > 0 */
    131  1.31.2.2  skrll static int sysctl_kern_sbmax(SYSCTLFN_PROTO);
    132  1.31.2.2  skrll static int sysctl_kern_urnd(SYSCTLFN_PROTO);
    133  1.31.2.2  skrll static int sysctl_kern_lwp(SYSCTLFN_PROTO);
    134  1.31.2.2  skrll static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO);
    135  1.31.2.2  skrll static int sysctl_kern_root_partition(SYSCTLFN_PROTO);
    136  1.31.2.2  skrll static int sysctl_kern_drivers(SYSCTLFN_PROTO);
    137  1.31.2.2  skrll static int sysctl_doeproc(SYSCTLFN_PROTO);
    138  1.31.2.2  skrll static int sysctl_kern_proc_args(SYSCTLFN_PROTO);
    139  1.31.2.2  skrll static int sysctl_hw_usermem(SYSCTLFN_PROTO);
    140  1.31.2.2  skrll static int sysctl_hw_cnmagic(SYSCTLFN_PROTO);
    141  1.31.2.2  skrll static int sysctl_hw_ncpu(SYSCTLFN_PROTO);
    142  1.31.2.2  skrll 
    143  1.31.2.2  skrll static void fill_kproc2(struct proc *, struct kinfo_proc2 *);
    144  1.31.2.2  skrll static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl);
    145  1.31.2.2  skrll 
    146  1.31.2.2  skrll /*
    147  1.31.2.2  skrll  * ********************************************************************
    148  1.31.2.2  skrll  * section 1: setup routines
    149  1.31.2.2  skrll  * ********************************************************************
    150  1.31.2.2  skrll  * these functions are stuffed into a link set for sysctl setup
    151  1.31.2.2  skrll  * functions.  they're never called or referenced from anywhere else.
    152  1.31.2.2  skrll  * ********************************************************************
    153  1.31.2.2  skrll  */
    154  1.31.2.2  skrll 
    155  1.31.2.2  skrll /*
    156  1.31.2.2  skrll  * sets up the base nodes...
    157  1.31.2.2  skrll  */
    158  1.31.2.2  skrll SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup")
    159  1.31.2.2  skrll {
    160  1.31.2.2  skrll 
    161  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    162  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    163  1.31.2.2  skrll 		       CTLTYPE_NODE, "kern",
    164  1.31.2.2  skrll 		       SYSCTL_DESCR("High kernel"),
    165  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    166  1.31.2.2  skrll 		       CTL_KERN, CTL_EOL);
    167  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    168  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    169  1.31.2.2  skrll 		       CTLTYPE_NODE, "vm",
    170  1.31.2.2  skrll 		       SYSCTL_DESCR("Virtual memory"),
    171  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    172  1.31.2.2  skrll 		       CTL_VM, CTL_EOL);
    173  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    174  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    175  1.31.2.2  skrll 		       CTLTYPE_NODE, "vfs",
    176  1.31.2.2  skrll 		       SYSCTL_DESCR("Filesystem"),
    177  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    178  1.31.2.2  skrll 		       CTL_VFS, CTL_EOL);
    179  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    180  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    181  1.31.2.2  skrll 		       CTLTYPE_NODE, "net",
    182  1.31.2.2  skrll 		       SYSCTL_DESCR("Networking"),
    183  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    184  1.31.2.2  skrll 		       CTL_NET, CTL_EOL);
    185  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    186  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    187  1.31.2.2  skrll 		       CTLTYPE_NODE, "debug",
    188  1.31.2.2  skrll 		       SYSCTL_DESCR("Debugging"),
    189  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    190  1.31.2.2  skrll 		       CTL_DEBUG, CTL_EOL);
    191  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    192  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    193  1.31.2.2  skrll 		       CTLTYPE_NODE, "hw",
    194  1.31.2.2  skrll 		       SYSCTL_DESCR("Generic CPU, I/O"),
    195  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    196  1.31.2.2  skrll 		       CTL_HW, CTL_EOL);
    197  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    198  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    199  1.31.2.2  skrll 		       CTLTYPE_NODE, "machdep",
    200  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine dependent"),
    201  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    202  1.31.2.2  skrll 		       CTL_MACHDEP, CTL_EOL);
    203  1.31.2.2  skrll 	/*
    204  1.31.2.2  skrll 	 * this node is inserted so that the sysctl nodes in libc can
    205  1.31.2.2  skrll 	 * operate.
    206  1.31.2.2  skrll 	 */
    207  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    208  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    209  1.31.2.2  skrll 		       CTLTYPE_NODE, "user",
    210  1.31.2.2  skrll 		       SYSCTL_DESCR("User-level"),
    211  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    212  1.31.2.2  skrll 		       CTL_USER, CTL_EOL);
    213  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    214  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    215  1.31.2.2  skrll 		       CTLTYPE_NODE, "ddb",
    216  1.31.2.2  skrll 		       SYSCTL_DESCR("In-kernel debugger"),
    217  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    218  1.31.2.2  skrll 		       CTL_DDB, CTL_EOL);
    219  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    220  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    221  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc",
    222  1.31.2.2  skrll 		       SYSCTL_DESCR("Per-process"),
    223  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    224  1.31.2.2  skrll 		       CTL_PROC, CTL_EOL);
    225  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    226  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    227  1.31.2.2  skrll 		       CTLTYPE_NODE, "vendor",
    228  1.31.2.2  skrll 		       SYSCTL_DESCR("Vendor specific"),
    229  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    230  1.31.2.2  skrll 		       CTL_VENDOR, CTL_EOL);
    231  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    232  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    233  1.31.2.2  skrll 		       CTLTYPE_NODE, "emul",
    234  1.31.2.2  skrll 		       SYSCTL_DESCR("Emulation settings"),
    235  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    236  1.31.2.2  skrll 		       CTL_EMUL, CTL_EOL);
    237  1.31.2.2  skrll }
    238  1.31.2.2  skrll 
    239  1.31.2.2  skrll /*
    240  1.31.2.2  skrll  * this setup routine is a replacement for kern_sysctl()
    241  1.31.2.2  skrll  */
    242  1.31.2.2  skrll SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup")
    243  1.31.2.2  skrll {
    244  1.31.2.2  skrll 	extern int kern_logsigexit;	/* defined in kern/kern_sig.c */
    245  1.31.2.2  skrll 	extern fixpt_t ccpu;		/* defined in kern/kern_synch.c */
    246  1.31.2.2  skrll 	extern int dumponpanic;		/* defined in kern/subr_prf.c */
    247  1.31.2.2  skrll 
    248  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    249  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    250  1.31.2.2  skrll 		       CTLTYPE_NODE, "kern", NULL,
    251  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    252  1.31.2.2  skrll 		       CTL_KERN, CTL_EOL);
    253  1.31.2.2  skrll 
    254  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    255  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    256  1.31.2.2  skrll 		       CTLTYPE_STRING, "ostype",
    257  1.31.2.2  skrll 		       SYSCTL_DESCR("Operating system type"),
    258  1.31.2.2  skrll 		       NULL, 0, &ostype, 0,
    259  1.31.2.2  skrll 		       CTL_KERN, KERN_OSTYPE, CTL_EOL);
    260  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    261  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    262  1.31.2.2  skrll 		       CTLTYPE_STRING, "osrelease",
    263  1.31.2.2  skrll 		       SYSCTL_DESCR("Operating system release"),
    264  1.31.2.2  skrll 		       NULL, 0, &osrelease, 0,
    265  1.31.2.2  skrll 		       CTL_KERN, KERN_OSRELEASE, CTL_EOL);
    266  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    267  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    268  1.31.2.2  skrll 		       CTLTYPE_INT, "osrevision",
    269  1.31.2.2  skrll 		       SYSCTL_DESCR("Operating system revision"),
    270  1.31.2.2  skrll 		       NULL, __NetBSD_Version__, NULL, 0,
    271  1.31.2.2  skrll 		       CTL_KERN, KERN_OSREV, CTL_EOL);
    272  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    273  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    274  1.31.2.2  skrll 		       CTLTYPE_STRING, "version",
    275  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel version"),
    276  1.31.2.2  skrll 		       NULL, 0, &version, 0,
    277  1.31.2.2  skrll 		       CTL_KERN, KERN_VERSION, CTL_EOL);
    278  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    279  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    280  1.31.2.2  skrll 		       CTLTYPE_INT, "maxvnodes",
    281  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of vnodes"),
    282  1.31.2.2  skrll 		       sysctl_kern_maxvnodes, 0, NULL, 0,
    283  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXVNODES, CTL_EOL);
    284  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    285  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    286  1.31.2.2  skrll 		       CTLTYPE_INT, "maxproc",
    287  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of simultaneous processes"),
    288  1.31.2.2  skrll 		       sysctl_kern_maxproc, 0, NULL, 0,
    289  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPROC, CTL_EOL);
    290  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    291  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    292  1.31.2.2  skrll 		       CTLTYPE_INT, "maxfiles",
    293  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of open files"),
    294  1.31.2.2  skrll 		       NULL, 0, &maxfiles, 0,
    295  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXFILES, CTL_EOL);
    296  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    297  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    298  1.31.2.2  skrll 		       CTLTYPE_INT, "argmax",
    299  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of bytes of arguments to "
    300  1.31.2.2  skrll 				    "execve(2)"),
    301  1.31.2.2  skrll 		       NULL, ARG_MAX, NULL, 0,
    302  1.31.2.2  skrll 		       CTL_KERN, KERN_ARGMAX, CTL_EOL);
    303  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    304  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    305  1.31.2.2  skrll 		       CTLTYPE_INT, "securelevel",
    306  1.31.2.2  skrll 		       SYSCTL_DESCR("System security level"),
    307  1.31.2.2  skrll 		       sysctl_kern_securelevel, 0, &securelevel, 0,
    308  1.31.2.2  skrll 		       CTL_KERN, KERN_SECURELVL, CTL_EOL);
    309  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    310  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    311  1.31.2.2  skrll 		       CTLTYPE_STRING, "hostname",
    312  1.31.2.2  skrll 		       SYSCTL_DESCR("System hostname"),
    313  1.31.2.2  skrll 		       sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN,
    314  1.31.2.2  skrll 		       CTL_KERN, KERN_HOSTNAME, CTL_EOL);
    315  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    316  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX,
    317  1.31.2.2  skrll 		       CTLTYPE_INT, "hostid",
    318  1.31.2.2  skrll 		       SYSCTL_DESCR("System host ID number"),
    319  1.31.2.2  skrll 		       sysctl_kern_hostid, 0, NULL, 0,
    320  1.31.2.2  skrll 		       CTL_KERN, KERN_HOSTID, CTL_EOL);
    321  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    322  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    323  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "clockrate",
    324  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel clock rates"),
    325  1.31.2.2  skrll 		       sysctl_kern_clockrate, 0, NULL,
    326  1.31.2.2  skrll 		       sizeof(struct clockinfo),
    327  1.31.2.2  skrll 		       CTL_KERN, KERN_CLOCKRATE, CTL_EOL);
    328  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    329  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    330  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "vnode",
    331  1.31.2.2  skrll 		       SYSCTL_DESCR("System vnode table"),
    332  1.31.2.2  skrll 		       sysctl_kern_vnode, 0, NULL, 0,
    333  1.31.2.2  skrll 		       CTL_KERN, KERN_VNODE, CTL_EOL);
    334  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    335  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    336  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "file",
    337  1.31.2.2  skrll 		       SYSCTL_DESCR("System open file table"),
    338  1.31.2.2  skrll 		       sysctl_kern_file, 0, NULL, 0,
    339  1.31.2.2  skrll 		       CTL_KERN, KERN_FILE, CTL_EOL);
    340  1.31.2.2  skrll #ifndef GPROF
    341  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    342  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    343  1.31.2.2  skrll 		       CTLTYPE_NODE, "profiling",
    344  1.31.2.2  skrll 		       SYSCTL_DESCR("Profiling information (not available)"),
    345  1.31.2.2  skrll 		       sysctl_notavail, 0, NULL, 0,
    346  1.31.2.2  skrll 		       CTL_KERN, KERN_PROF, CTL_EOL);
    347  1.31.2.2  skrll #endif
    348  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    349  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    350  1.31.2.2  skrll 		       CTLTYPE_INT, "posix1version",
    351  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) "
    352  1.31.2.2  skrll 				    "with which the operating system attempts "
    353  1.31.2.2  skrll 				    "to comply"),
    354  1.31.2.2  skrll 		       NULL, _POSIX_VERSION, NULL, 0,
    355  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX1, CTL_EOL);
    356  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    357  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    358  1.31.2.2  skrll 		       CTLTYPE_INT, "ngroups",
    359  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of supplemental groups"),
    360  1.31.2.2  skrll 		       NULL, NGROUPS_MAX, NULL, 0,
    361  1.31.2.2  skrll 		       CTL_KERN, KERN_NGROUPS, CTL_EOL);
    362  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    363  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    364  1.31.2.2  skrll 		       CTLTYPE_INT, "job_control",
    365  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether job control is available"),
    366  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    367  1.31.2.2  skrll 		       CTL_KERN, KERN_JOB_CONTROL, CTL_EOL);
    368  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    369  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    370  1.31.2.2  skrll 		       CTLTYPE_INT, "saved_ids",
    371  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether saved set-group/user ID is "
    372  1.31.2.2  skrll 				    "available"), NULL,
    373  1.31.2.2  skrll #ifdef _POSIX_SAVED_IDS
    374  1.31.2.2  skrll 		       1,
    375  1.31.2.2  skrll #else /* _POSIX_SAVED_IDS */
    376  1.31.2.2  skrll 		       0,
    377  1.31.2.2  skrll #endif /* _POSIX_SAVED_IDS */
    378  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL);
    379  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    380  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    381  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "boottime",
    382  1.31.2.2  skrll 		       SYSCTL_DESCR("System boot time"),
    383  1.31.2.2  skrll 		       NULL, 0, &boottime, sizeof(boottime),
    384  1.31.2.2  skrll 		       CTL_KERN, KERN_BOOTTIME, CTL_EOL);
    385  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    386  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    387  1.31.2.2  skrll 		       CTLTYPE_STRING, "domainname",
    388  1.31.2.2  skrll 		       SYSCTL_DESCR("YP domain name"),
    389  1.31.2.2  skrll 		       sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN,
    390  1.31.2.2  skrll 		       CTL_KERN, KERN_DOMAINNAME, CTL_EOL);
    391  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    392  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    393  1.31.2.2  skrll 		       CTLTYPE_INT, "maxpartitions",
    394  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of partitions allowed per "
    395  1.31.2.2  skrll 				    "disk"),
    396  1.31.2.2  skrll 		       NULL, MAXPARTITIONS, NULL, 0,
    397  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL);
    398  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    399  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    400  1.31.2.2  skrll 		       CTLTYPE_INT, "rawpartition",
    401  1.31.2.2  skrll 		       SYSCTL_DESCR("Raw partition of a disk"),
    402  1.31.2.2  skrll 		       NULL, RAW_PART, NULL, 0,
    403  1.31.2.2  skrll 		       CTL_KERN, KERN_RAWPARTITION, CTL_EOL);
    404  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    405  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    406  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "timex", NULL,
    407  1.31.2.2  skrll 		       sysctl_notavail, 0, NULL, 0,
    408  1.31.2.2  skrll 		       CTL_KERN, KERN_TIMEX, CTL_EOL);
    409  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    410  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    411  1.31.2.2  skrll 		       CTLTYPE_INT, "autonicetime",
    412  1.31.2.2  skrll 		       SYSCTL_DESCR("CPU clock seconds before non-root "
    413  1.31.2.2  skrll 				    "process priority is lowered"),
    414  1.31.2.2  skrll 		       sysctl_kern_autonice, 0, &autonicetime, 0,
    415  1.31.2.2  skrll 		       CTL_KERN, KERN_AUTONICETIME, CTL_EOL);
    416  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    417  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    418  1.31.2.2  skrll 		       CTLTYPE_INT, "autoniceval",
    419  1.31.2.2  skrll 		       SYSCTL_DESCR("Automatic reniced non-root process "
    420  1.31.2.2  skrll 				    "priority"),
    421  1.31.2.2  skrll 		       sysctl_kern_autonice, 0, &autoniceval, 0,
    422  1.31.2.2  skrll 		       CTL_KERN, KERN_AUTONICEVAL, CTL_EOL);
    423  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    424  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    425  1.31.2.2  skrll 		       CTLTYPE_INT, "rtc_offset",
    426  1.31.2.2  skrll 		       SYSCTL_DESCR("Offset of real time clock from UTC in "
    427  1.31.2.2  skrll 				    "minutes"),
    428  1.31.2.2  skrll 		       sysctl_kern_rtc_offset, 0, &rtc_offset, 0,
    429  1.31.2.2  skrll 		       CTL_KERN, KERN_RTC_OFFSET, CTL_EOL);
    430  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    431  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    432  1.31.2.2  skrll 		       CTLTYPE_STRING, "root_device",
    433  1.31.2.2  skrll 		       SYSCTL_DESCR("Name of the root device"),
    434  1.31.2.2  skrll 		       sysctl_root_device, 0, NULL, 0,
    435  1.31.2.2  skrll 		       CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL);
    436  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    437  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    438  1.31.2.2  skrll 		       CTLTYPE_INT, "msgbufsize",
    439  1.31.2.2  skrll 		       SYSCTL_DESCR("Size of the kernel message buffer"),
    440  1.31.2.2  skrll 		       sysctl_msgbuf, 0, NULL, 0,
    441  1.31.2.2  skrll 		       CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL);
    442  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    443  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    444  1.31.2.2  skrll 		       CTLTYPE_INT, "fsync",
    445  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b File "
    446  1.31.2.2  skrll 				    "Synchronization Option is available on "
    447  1.31.2.2  skrll 				    "this system"),
    448  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    449  1.31.2.2  skrll 		       CTL_KERN, KERN_FSYNC, CTL_EOL);
    450  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    451  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    452  1.31.2.2  skrll 		       CTLTYPE_INT, "sysvmsg",
    453  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style message support available"),
    454  1.31.2.2  skrll 		       NULL,
    455  1.31.2.2  skrll #ifdef SYSVMSG
    456  1.31.2.2  skrll 		       1,
    457  1.31.2.2  skrll #else /* SYSVMSG */
    458  1.31.2.2  skrll 		       0,
    459  1.31.2.2  skrll #endif /* SYSVMSG */
    460  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SYSVMSG, CTL_EOL);
    461  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    462  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    463  1.31.2.2  skrll 		       CTLTYPE_INT, "sysvsem",
    464  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style semaphore support "
    465  1.31.2.2  skrll 				    "available"), NULL,
    466  1.31.2.2  skrll #ifdef SYSVSEM
    467  1.31.2.2  skrll 		       1,
    468  1.31.2.2  skrll #else /* SYSVSEM */
    469  1.31.2.2  skrll 		       0,
    470  1.31.2.2  skrll #endif /* SYSVSEM */
    471  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SYSVSEM, CTL_EOL);
    472  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    473  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    474  1.31.2.2  skrll 		       CTLTYPE_INT, "sysvshm",
    475  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style shared memory support "
    476  1.31.2.2  skrll 				    "available"), NULL,
    477  1.31.2.2  skrll #ifdef SYSVSHM
    478  1.31.2.2  skrll 		       1,
    479  1.31.2.2  skrll #else /* SYSVSHM */
    480  1.31.2.2  skrll 		       0,
    481  1.31.2.2  skrll #endif /* SYSVSHM */
    482  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SYSVSHM, CTL_EOL);
    483  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    484  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    485  1.31.2.2  skrll 		       CTLTYPE_INT, "synchronized_io",
    486  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized "
    487  1.31.2.2  skrll 				    "I/O Option is available on this system"),
    488  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    489  1.31.2.2  skrll 		       CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL);
    490  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    491  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    492  1.31.2.2  skrll 		       CTLTYPE_INT, "iov_max",
    493  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of iovec structures per "
    494  1.31.2.2  skrll 				    "process"),
    495  1.31.2.2  skrll 		       NULL, IOV_MAX, NULL, 0,
    496  1.31.2.2  skrll 		       CTL_KERN, KERN_IOV_MAX, CTL_EOL);
    497  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    498  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    499  1.31.2.2  skrll 		       CTLTYPE_INT, "mapped_files",
    500  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped "
    501  1.31.2.2  skrll 				    "Files Option is available on this system"),
    502  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    503  1.31.2.2  skrll 		       CTL_KERN, KERN_MAPPED_FILES, CTL_EOL);
    504  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    505  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    506  1.31.2.2  skrll 		       CTLTYPE_INT, "memlock",
    507  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory "
    508  1.31.2.2  skrll 				    "Locking Option is available on this "
    509  1.31.2.2  skrll 				    "system"),
    510  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    511  1.31.2.2  skrll 		       CTL_KERN, KERN_MEMLOCK, CTL_EOL);
    512  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    513  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    514  1.31.2.2  skrll 		       CTLTYPE_INT, "memlock_range",
    515  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory "
    516  1.31.2.2  skrll 				    "Locking Option is available on this "
    517  1.31.2.2  skrll 				    "system"),
    518  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    519  1.31.2.2  skrll 		       CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL);
    520  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    521  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    522  1.31.2.2  skrll 		       CTLTYPE_INT, "memory_protection",
    523  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Memory "
    524  1.31.2.2  skrll 				    "Protection Option is available on this "
    525  1.31.2.2  skrll 				    "system"),
    526  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    527  1.31.2.2  skrll 		       CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL);
    528  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    529  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    530  1.31.2.2  skrll 		       CTLTYPE_INT, "login_name_max",
    531  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum login name length"),
    532  1.31.2.2  skrll 		       NULL, LOGIN_NAME_MAX, NULL, 0,
    533  1.31.2.2  skrll 		       CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL);
    534  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    535  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    536  1.31.2.2  skrll 		       CTLTYPE_STRING, "defcorename",
    537  1.31.2.2  skrll 		       SYSCTL_DESCR("Default core file name"),
    538  1.31.2.2  skrll 		       sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN,
    539  1.31.2.2  skrll 		       CTL_KERN, KERN_DEFCORENAME, CTL_EOL);
    540  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    541  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    542  1.31.2.2  skrll 		       CTLTYPE_INT, "logsigexit",
    543  1.31.2.2  skrll 		       SYSCTL_DESCR("Log process exit when caused by signals"),
    544  1.31.2.2  skrll 		       NULL, 0, &kern_logsigexit, 0,
    545  1.31.2.2  skrll 		       CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL);
    546  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    547  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    548  1.31.2.2  skrll 		       CTLTYPE_INT, "fscale",
    549  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel fixed-point scale factor"),
    550  1.31.2.2  skrll 		       NULL, FSCALE, NULL, 0,
    551  1.31.2.2  skrll 		       CTL_KERN, KERN_FSCALE, CTL_EOL);
    552  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    553  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    554  1.31.2.2  skrll 		       CTLTYPE_INT, "ccpu",
    555  1.31.2.2  skrll 		       SYSCTL_DESCR("Scheduler exponential decay value"),
    556  1.31.2.2  skrll 		       NULL, 0, &ccpu, 0,
    557  1.31.2.2  skrll 		       CTL_KERN, KERN_CCPU, CTL_EOL);
    558  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    559  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    560  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "cp_time",
    561  1.31.2.2  skrll 		       SYSCTL_DESCR("Clock ticks spent in different CPU states"),
    562  1.31.2.2  skrll 		       sysctl_kern_cptime, 0, NULL, 0,
    563  1.31.2.2  skrll 		       CTL_KERN, KERN_CP_TIME, CTL_EOL);
    564  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
    565  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    566  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    567  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "sysvipc_info",
    568  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style IPC information"),
    569  1.31.2.2  skrll 		       sysctl_kern_sysvipc, 0, NULL, 0,
    570  1.31.2.2  skrll 		       CTL_KERN, KERN_SYSVIPC_INFO, CTL_EOL);
    571  1.31.2.2  skrll #endif /* SYSVMSG || SYSVSEM || SYSVSHM */
    572  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    573  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    574  1.31.2.2  skrll 		       CTLTYPE_INT, "msgbuf",
    575  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel message buffer"),
    576  1.31.2.2  skrll 		       sysctl_msgbuf, 0, NULL, 0,
    577  1.31.2.2  skrll 		       CTL_KERN, KERN_MSGBUF, CTL_EOL);
    578  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    579  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    580  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "consdev",
    581  1.31.2.2  skrll 		       SYSCTL_DESCR("Console device"),
    582  1.31.2.2  skrll 		       sysctl_consdev, 0, NULL, sizeof(dev_t),
    583  1.31.2.2  skrll 		       CTL_KERN, KERN_CONSDEV, CTL_EOL);
    584  1.31.2.2  skrll #if NPTY > 0
    585  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    586  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    587  1.31.2.2  skrll 		       CTLTYPE_INT, "maxptys",
    588  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of pseudo-ttys"),
    589  1.31.2.2  skrll 		       sysctl_kern_maxptys, 0, NULL, 0,
    590  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPTYS, CTL_EOL);
    591  1.31.2.2  skrll #endif /* NPTY > 0 */
    592  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    593  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    594  1.31.2.2  skrll 		       CTLTYPE_INT, "maxphys",
    595  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum raw I/O transfer size"),
    596  1.31.2.2  skrll 		       NULL, MAXPHYS, NULL, 0,
    597  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPHYS, CTL_EOL);
    598  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    599  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    600  1.31.2.2  skrll 		       CTLTYPE_INT, "sbmax",
    601  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum socket buffer size"),
    602  1.31.2.2  skrll 		       sysctl_kern_sbmax, 0, NULL, 0,
    603  1.31.2.2  skrll 		       CTL_KERN, KERN_SBMAX, CTL_EOL);
    604  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    605  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    606  1.31.2.2  skrll 		       CTLTYPE_INT, "monotonic_clock",
    607  1.31.2.2  skrll 		       SYSCTL_DESCR("Implementation version of the POSIX "
    608  1.31.2.2  skrll 				    "1003.1b Monotonic Clock Option"),
    609  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    610  1.31.2.2  skrll 		       NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0,
    611  1.31.2.2  skrll 		       CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL);
    612  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    613  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    614  1.31.2.2  skrll 		       CTLTYPE_INT, "urandom",
    615  1.31.2.2  skrll 		       SYSCTL_DESCR("Random integer value"),
    616  1.31.2.2  skrll 		       sysctl_kern_urnd, 0, NULL, 0,
    617  1.31.2.2  skrll 		       CTL_KERN, KERN_URND, CTL_EOL);
    618  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    619  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    620  1.31.2.2  skrll 		       CTLTYPE_INT, "labelsector",
    621  1.31.2.2  skrll 		       SYSCTL_DESCR("Sector number containing the disklabel"),
    622  1.31.2.2  skrll 		       NULL, LABELSECTOR, NULL, 0,
    623  1.31.2.2  skrll 		       CTL_KERN, KERN_LABELSECTOR, CTL_EOL);
    624  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    625  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    626  1.31.2.2  skrll 		       CTLTYPE_INT, "labeloffset",
    627  1.31.2.2  skrll 		       SYSCTL_DESCR("Offset of the disklabel within the "
    628  1.31.2.2  skrll 				    "sector"),
    629  1.31.2.2  skrll 		       NULL, LABELOFFSET, NULL, 0,
    630  1.31.2.2  skrll 		       CTL_KERN, KERN_LABELOFFSET, CTL_EOL);
    631  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    632  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    633  1.31.2.2  skrll 		       CTLTYPE_NODE, "lwp",
    634  1.31.2.2  skrll 		       SYSCTL_DESCR("System-wide LWP information"),
    635  1.31.2.2  skrll 		       sysctl_kern_lwp, 0, NULL, 0,
    636  1.31.2.2  skrll 		       CTL_KERN, KERN_LWP, CTL_EOL);
    637  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    638  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    639  1.31.2.2  skrll 		       CTLTYPE_INT, "forkfsleep",
    640  1.31.2.2  skrll 		       SYSCTL_DESCR("Milliseconds to sleep on fork failure due "
    641  1.31.2.2  skrll 				    "to process limits"),
    642  1.31.2.2  skrll 		       sysctl_kern_forkfsleep, 0, NULL, 0,
    643  1.31.2.2  skrll 		       CTL_KERN, KERN_FORKFSLEEP, CTL_EOL);
    644  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    645  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    646  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_threads",
    647  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    648  1.31.2.2  skrll 				    "Threads option to which the system "
    649  1.31.2.2  skrll 				    "attempts to conform"),
    650  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    651  1.31.2.2  skrll 		       NULL, _POSIX_THREADS, NULL, 0,
    652  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_THREADS, CTL_EOL);
    653  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    654  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    655  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_semaphores",
    656  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    657  1.31.2.2  skrll 				    "Semaphores option to which the system "
    658  1.31.2.2  skrll 				    "attempts to conform"), NULL,
    659  1.31.2.2  skrll #ifdef P1003_1B_SEMAPHORE
    660  1.31.2.2  skrll 		       200112,
    661  1.31.2.2  skrll #else /* P1003_1B_SEMAPHORE */
    662  1.31.2.2  skrll 		       0,
    663  1.31.2.2  skrll #endif /* P1003_1B_SEMAPHORE */
    664  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL);
    665  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    666  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    667  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_barriers",
    668  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    669  1.31.2.2  skrll 				    "Barriers option to which the system "
    670  1.31.2.2  skrll 				    "attempts to conform"),
    671  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    672  1.31.2.2  skrll 		       NULL, _POSIX_BARRIERS, NULL, 0,
    673  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL);
    674  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    675  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    676  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_timers",
    677  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    678  1.31.2.2  skrll 				    "Timers option to which the system "
    679  1.31.2.2  skrll 				    "attempts to conform"),
    680  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    681  1.31.2.2  skrll 		       NULL, _POSIX_TIMERS, NULL, 0,
    682  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL);
    683  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    684  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    685  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_spin_locks",
    686  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin "
    687  1.31.2.2  skrll 				    "Locks option to which the system attempts "
    688  1.31.2.2  skrll 				    "to conform"),
    689  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    690  1.31.2.2  skrll 		       NULL, _POSIX_SPIN_LOCKS, NULL, 0,
    691  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL);
    692  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    693  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    694  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_reader_writer_locks",
    695  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    696  1.31.2.2  skrll 				    "Read-Write Locks option to which the "
    697  1.31.2.2  skrll 				    "system attempts to conform"),
    698  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    699  1.31.2.2  skrll 		       NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0,
    700  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL);
    701  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    702  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    703  1.31.2.2  skrll 		       CTLTYPE_INT, "dump_on_panic",
    704  1.31.2.2  skrll 		       SYSCTL_DESCR("Perform a crash dump on system panic"),
    705  1.31.2.2  skrll 		       NULL, 0, &dumponpanic, 0,
    706  1.31.2.2  skrll 		       CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL);
    707  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    708  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    709  1.31.2.2  skrll 		       CTLTYPE_INT, "root_partition",
    710  1.31.2.2  skrll 		       SYSCTL_DESCR("Root partition on the root device"),
    711  1.31.2.2  skrll 		       sysctl_kern_root_partition, 0, NULL, 0,
    712  1.31.2.2  skrll 		       CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL);
    713  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    714  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    715  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "drivers",
    716  1.31.2.2  skrll 		       SYSCTL_DESCR("List of all drivers with block and "
    717  1.31.2.2  skrll 				    "character device numbers"),
    718  1.31.2.2  skrll 		       sysctl_kern_drivers, 0, NULL, 0,
    719  1.31.2.2  skrll 		       CTL_KERN, KERN_DRIVERS, CTL_EOL);
    720  1.31.2.2  skrll }
    721  1.31.2.2  skrll 
    722  1.31.2.2  skrll SYSCTL_SETUP(sysctl_kern_proc_setup,
    723  1.31.2.2  skrll 	     "sysctl kern.proc/proc2/proc_args subtree setup")
    724  1.31.2.2  skrll {
    725  1.31.2.2  skrll 
    726  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    727  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    728  1.31.2.2  skrll 		       CTLTYPE_NODE, "kern", NULL,
    729  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    730  1.31.2.2  skrll 		       CTL_KERN, CTL_EOL);
    731  1.31.2.2  skrll 
    732  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    733  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    734  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc",
    735  1.31.2.2  skrll 		       SYSCTL_DESCR("System-wide process information"),
    736  1.31.2.2  skrll 		       sysctl_doeproc, 0, NULL, 0,
    737  1.31.2.2  skrll 		       CTL_KERN, KERN_PROC, CTL_EOL);
    738  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    739  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    740  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc2",
    741  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine-independent process information"),
    742  1.31.2.2  skrll 		       sysctl_doeproc, 0, NULL, 0,
    743  1.31.2.2  skrll 		       CTL_KERN, KERN_PROC2, CTL_EOL);
    744  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    745  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    746  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc_args",
    747  1.31.2.2  skrll 		       SYSCTL_DESCR("Process argument information"),
    748  1.31.2.2  skrll 		       sysctl_kern_proc_args, 0, NULL, 0,
    749  1.31.2.2  skrll 		       CTL_KERN, KERN_PROC_ARGS, CTL_EOL);
    750  1.31.2.2  skrll 
    751  1.31.2.2  skrll 	/*
    752  1.31.2.2  skrll 	  "nodes" under these:
    753  1.31.2.2  skrll 
    754  1.31.2.2  skrll 	  KERN_PROC_ALL
    755  1.31.2.2  skrll 	  KERN_PROC_PID pid
    756  1.31.2.2  skrll 	  KERN_PROC_PGRP pgrp
    757  1.31.2.2  skrll 	  KERN_PROC_SESSION sess
    758  1.31.2.2  skrll 	  KERN_PROC_TTY tty
    759  1.31.2.2  skrll 	  KERN_PROC_UID uid
    760  1.31.2.2  skrll 	  KERN_PROC_RUID uid
    761  1.31.2.2  skrll 	  KERN_PROC_GID gid
    762  1.31.2.2  skrll 	  KERN_PROC_RGID gid
    763  1.31.2.2  skrll 
    764  1.31.2.2  skrll 	  all in all, probably not worth the effort...
    765  1.31.2.2  skrll 	*/
    766  1.31.2.2  skrll }
    767  1.31.2.2  skrll 
    768  1.31.2.2  skrll SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup")
    769  1.31.2.2  skrll {
    770  1.31.2.2  skrll 	u_int u;
    771  1.31.2.2  skrll 	u_quad_t q;
    772  1.31.2.2  skrll 
    773  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    774  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    775  1.31.2.2  skrll 		       CTLTYPE_NODE, "hw", NULL,
    776  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    777  1.31.2.2  skrll 		       CTL_HW, CTL_EOL);
    778  1.31.2.2  skrll 
    779  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    780  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    781  1.31.2.2  skrll 		       CTLTYPE_STRING, "machine",
    782  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine class"),
    783  1.31.2.2  skrll 		       NULL, 0, machine, 0,
    784  1.31.2.2  skrll 		       CTL_HW, HW_MACHINE, CTL_EOL);
    785  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    786  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    787  1.31.2.2  skrll 		       CTLTYPE_STRING, "model",
    788  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine model"),
    789  1.31.2.2  skrll 		       NULL, 0, cpu_model, 0,
    790  1.31.2.2  skrll 		       CTL_HW, HW_MODEL, CTL_EOL);
    791  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    792  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    793  1.31.2.2  skrll 		       CTLTYPE_INT, "ncpu",
    794  1.31.2.2  skrll 		       SYSCTL_DESCR("Number of active CPUs"),
    795  1.31.2.2  skrll 		       sysctl_hw_ncpu, 0, NULL, 0,
    796  1.31.2.2  skrll 		       CTL_HW, HW_NCPU, CTL_EOL);
    797  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    798  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    799  1.31.2.2  skrll 		       CTLTYPE_INT, "byteorder",
    800  1.31.2.2  skrll 		       SYSCTL_DESCR("System byte order"),
    801  1.31.2.2  skrll 		       NULL, BYTE_ORDER, NULL, 0,
    802  1.31.2.2  skrll 		       CTL_HW, HW_BYTEORDER, CTL_EOL);
    803  1.31.2.2  skrll 	u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ?
    804  1.31.2.2  skrll 		UINT_MAX : physmem * PAGE_SIZE;
    805  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    806  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    807  1.31.2.2  skrll 		       CTLTYPE_INT, "physmem",
    808  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of physical memory"),
    809  1.31.2.2  skrll 		       NULL, u, NULL, 0,
    810  1.31.2.2  skrll 		       CTL_HW, HW_PHYSMEM, CTL_EOL);
    811  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    812  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    813  1.31.2.2  skrll 		       CTLTYPE_INT, "usermem",
    814  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of non-kernel memory"),
    815  1.31.2.2  skrll 		       sysctl_hw_usermem, 0, NULL, 0,
    816  1.31.2.2  skrll 		       CTL_HW, HW_USERMEM, CTL_EOL);
    817  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    818  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    819  1.31.2.2  skrll 		       CTLTYPE_INT, "pagesize",
    820  1.31.2.2  skrll 		       SYSCTL_DESCR("Software page size"),
    821  1.31.2.2  skrll 		       NULL, PAGE_SIZE, NULL, 0,
    822  1.31.2.2  skrll 		       CTL_HW, HW_PAGESIZE, CTL_EOL);
    823  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    824  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    825  1.31.2.2  skrll 		       CTLTYPE_STRING, "disknames",
    826  1.31.2.2  skrll 		       SYSCTL_DESCR("List of disk devices present"),
    827  1.31.2.2  skrll 		       sysctl_hw_disknames, 0, NULL, 0,
    828  1.31.2.2  skrll 		       CTL_HW, HW_DISKNAMES, CTL_EOL);
    829  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    830  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    831  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "diskstats",
    832  1.31.2.2  skrll 		       SYSCTL_DESCR("Statistics on disk operation"),
    833  1.31.2.2  skrll 		       sysctl_hw_diskstats, 0, NULL, 0,
    834  1.31.2.2  skrll 		       CTL_HW, HW_DISKSTATS, CTL_EOL);
    835  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    836  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    837  1.31.2.2  skrll 		       CTLTYPE_STRING, "machine_arch",
    838  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine CPU class"),
    839  1.31.2.2  skrll 		       NULL, 0, machine_arch, 0,
    840  1.31.2.2  skrll 		       CTL_HW, HW_MACHINE_ARCH, CTL_EOL);
    841  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    842  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    843  1.31.2.2  skrll 		       CTLTYPE_INT, "alignbytes",
    844  1.31.2.2  skrll 		       SYSCTL_DESCR("Alignment constraint for all possible "
    845  1.31.2.2  skrll 				    "data types"),
    846  1.31.2.2  skrll 		       NULL, ALIGNBYTES, NULL, 0,
    847  1.31.2.2  skrll 		       CTL_HW, HW_ALIGNBYTES, CTL_EOL);
    848  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    849  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX,
    850  1.31.2.2  skrll 		       CTLTYPE_STRING, "cnmagic",
    851  1.31.2.2  skrll 		       SYSCTL_DESCR("Console magic key sequence"),
    852  1.31.2.2  skrll 		       sysctl_hw_cnmagic, 0, NULL, CNS_LEN,
    853  1.31.2.2  skrll 		       CTL_HW, HW_CNMAGIC, CTL_EOL);
    854  1.31.2.2  skrll 	q = (u_quad_t)physmem * PAGE_SIZE;
    855  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    856  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    857  1.31.2.2  skrll 		       CTLTYPE_QUAD, "physmem64",
    858  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of physical memory"),
    859  1.31.2.2  skrll 		       NULL, q, NULL, 0,
    860  1.31.2.2  skrll 		       CTL_HW, HW_PHYSMEM64, CTL_EOL);
    861  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    862  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    863  1.31.2.2  skrll 		       CTLTYPE_QUAD, "usermem64",
    864  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of non-kernel memory"),
    865  1.31.2.2  skrll 		       sysctl_hw_usermem, 0, NULL, 0,
    866  1.31.2.2  skrll 		       CTL_HW, HW_USERMEM64, CTL_EOL);
    867  1.31.2.2  skrll }
    868  1.31.2.2  skrll 
    869  1.31.2.2  skrll #ifdef DEBUG
    870  1.31.2.2  skrll /*
    871  1.31.2.2  skrll  * Debugging related system variables.
    872  1.31.2.2  skrll  */
    873  1.31.2.2  skrll struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4;
    874  1.31.2.2  skrll struct ctldebug debug5, debug6, debug7, debug8, debug9;
    875  1.31.2.2  skrll struct ctldebug debug10, debug11, debug12, debug13, debug14;
    876  1.31.2.2  skrll struct ctldebug debug15, debug16, debug17, debug18, debug19;
    877  1.31.2.2  skrll static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = {
    878  1.31.2.2  skrll 	&debug0, &debug1, &debug2, &debug3, &debug4,
    879  1.31.2.2  skrll 	&debug5, &debug6, &debug7, &debug8, &debug9,
    880  1.31.2.2  skrll 	&debug10, &debug11, &debug12, &debug13, &debug14,
    881  1.31.2.2  skrll 	&debug15, &debug16, &debug17, &debug18, &debug19,
    882  1.31.2.2  skrll };
    883  1.31.2.2  skrll 
    884  1.31.2.2  skrll /*
    885  1.31.2.2  skrll  * this setup routine is a replacement for debug_sysctl()
    886  1.31.2.2  skrll  *
    887  1.31.2.2  skrll  * note that it creates several nodes per defined debug variable
    888  1.31.2.2  skrll  */
    889  1.31.2.2  skrll SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup")
    890  1.31.2.2  skrll {
    891  1.31.2.2  skrll 	struct ctldebug *cdp;
    892  1.31.2.2  skrll 	char nodename[20];
    893  1.31.2.2  skrll 	int i;
    894  1.31.2.2  skrll 
    895  1.31.2.2  skrll 	/*
    896  1.31.2.2  skrll 	 * two ways here:
    897  1.31.2.2  skrll 	 *
    898  1.31.2.2  skrll 	 * the "old" way (debug.name -> value) which was emulated by
    899  1.31.2.2  skrll 	 * the sysctl(8) binary
    900  1.31.2.2  skrll 	 *
    901  1.31.2.2  skrll 	 * the new way, which the sysctl(8) binary was actually using
    902  1.31.2.2  skrll 
    903  1.31.2.2  skrll 	 node	debug
    904  1.31.2.2  skrll 	 node	debug.0
    905  1.31.2.2  skrll 	 string	debug.0.name
    906  1.31.2.2  skrll 	 int	debug.0.value
    907  1.31.2.2  skrll 	 int	debug.name
    908  1.31.2.2  skrll 
    909  1.31.2.2  skrll 	 */
    910  1.31.2.2  skrll 
    911  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    912  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    913  1.31.2.2  skrll 		       CTLTYPE_NODE, "debug", NULL,
    914  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    915  1.31.2.2  skrll 		       CTL_DEBUG, CTL_EOL);
    916  1.31.2.2  skrll 
    917  1.31.2.2  skrll 	for (i = 0; i < CTL_DEBUG_MAXID; i++) {
    918  1.31.2.2  skrll 		cdp = debugvars[i];
    919  1.31.2.2  skrll 		if (cdp->debugname == NULL || cdp->debugvar == NULL)
    920  1.31.2.2  skrll 			continue;
    921  1.31.2.2  skrll 
    922  1.31.2.2  skrll 		snprintf(nodename, sizeof(nodename), "debug%d", i);
    923  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
    924  1.31.2.2  skrll 			       CTLFLAG_PERMANENT|CTLFLAG_HIDDEN,
    925  1.31.2.2  skrll 			       CTLTYPE_NODE, nodename, NULL,
    926  1.31.2.2  skrll 			       NULL, 0, NULL, 0,
    927  1.31.2.2  skrll 			       CTL_DEBUG, i, CTL_EOL);
    928  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
    929  1.31.2.2  skrll 			       CTLFLAG_PERMANENT|CTLFLAG_HIDDEN,
    930  1.31.2.2  skrll 			       CTLTYPE_STRING, "name", NULL,
    931  1.31.2.2  skrll 			       NULL, 0, cdp->debugname, 0,
    932  1.31.2.2  skrll 			       CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL);
    933  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
    934  1.31.2.2  skrll 			       CTLFLAG_PERMANENT|CTLFLAG_HIDDEN,
    935  1.31.2.2  skrll 			       CTLTYPE_INT, "value", NULL,
    936  1.31.2.2  skrll 			       NULL, 0, cdp->debugvar, 0,
    937  1.31.2.2  skrll 			       CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL);
    938  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
    939  1.31.2.2  skrll 			       CTLFLAG_PERMANENT,
    940  1.31.2.2  skrll 			       CTLTYPE_INT, cdp->debugname, NULL,
    941  1.31.2.2  skrll 			       NULL, 0, cdp->debugvar, 0,
    942  1.31.2.2  skrll 			       CTL_DEBUG, CTL_CREATE, CTL_EOL);
    943  1.31.2.2  skrll 	}
    944  1.31.2.2  skrll }
    945  1.31.2.2  skrll #endif /* DEBUG */
    946  1.31.2.2  skrll 
    947  1.31.2.2  skrll /*
    948  1.31.2.2  skrll  * ********************************************************************
    949  1.31.2.2  skrll  * section 2: private node-specific helper routines.
    950  1.31.2.2  skrll  * ********************************************************************
    951  1.31.2.2  skrll  */
    952  1.31.2.2  skrll 
    953  1.31.2.2  skrll /*
    954  1.31.2.2  skrll  * sysctl helper routine for kern.maxvnodes.  drain vnodes if
    955  1.31.2.2  skrll  * new value is lower than desiredvnodes and then calls reinit
    956  1.31.2.2  skrll  * routines that needs to adjust to the new value.
    957  1.31.2.2  skrll  */
    958  1.31.2.2  skrll static int
    959  1.31.2.2  skrll sysctl_kern_maxvnodes(SYSCTLFN_ARGS)
    960  1.31.2.2  skrll {
    961  1.31.2.2  skrll 	int error, new_vnodes, old_vnodes;
    962  1.31.2.2  skrll 	struct sysctlnode node;
    963  1.31.2.2  skrll 
    964  1.31.2.2  skrll 	new_vnodes = desiredvnodes;
    965  1.31.2.2  skrll 	node = *rnode;
    966  1.31.2.2  skrll 	node.sysctl_data = &new_vnodes;
    967  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
    968  1.31.2.2  skrll 	if (error || newp == NULL)
    969  1.31.2.2  skrll 		return (error);
    970  1.31.2.2  skrll 
    971  1.31.2.2  skrll 	old_vnodes = desiredvnodes;
    972  1.31.2.2  skrll 	desiredvnodes = new_vnodes;
    973  1.31.2.2  skrll 	if (new_vnodes < old_vnodes) {
    974  1.31.2.2  skrll 		error = vfs_drainvnodes(new_vnodes, l);
    975  1.31.2.2  skrll 		if (error) {
    976  1.31.2.2  skrll 			desiredvnodes = old_vnodes;
    977  1.31.2.2  skrll 			return (error);
    978  1.31.2.2  skrll 		}
    979  1.31.2.2  skrll 	}
    980  1.31.2.2  skrll 	vfs_reinit();
    981  1.31.2.2  skrll 	nchreinit();
    982  1.31.2.2  skrll 
    983  1.31.2.2  skrll 	return (0);
    984  1.31.2.2  skrll }
    985  1.31.2.2  skrll 
    986  1.31.2.2  skrll /*
    987  1.31.2.2  skrll  * sysctl helper routine for rtc_offset - set time after changes
    988  1.31.2.2  skrll  */
    989  1.31.2.2  skrll static int
    990  1.31.2.2  skrll sysctl_kern_rtc_offset(SYSCTLFN_ARGS)
    991  1.31.2.2  skrll {
    992  1.31.2.2  skrll 	struct timeval tv, delta;
    993  1.31.2.2  skrll 	int s, error, new_rtc_offset;
    994  1.31.2.2  skrll 	struct sysctlnode node;
    995  1.31.2.2  skrll 
    996  1.31.2.2  skrll 	new_rtc_offset = rtc_offset;
    997  1.31.2.2  skrll 	node = *rnode;
    998  1.31.2.2  skrll 	node.sysctl_data = &new_rtc_offset;
    999  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1000  1.31.2.2  skrll 	if (error || newp == NULL)
   1001  1.31.2.2  skrll 		return (error);
   1002  1.31.2.2  skrll 
   1003  1.31.2.2  skrll 	if (securelevel > 0)
   1004  1.31.2.2  skrll 		return (EPERM);
   1005  1.31.2.2  skrll 	if (rtc_offset == new_rtc_offset)
   1006  1.31.2.2  skrll 		return (0);
   1007  1.31.2.2  skrll 
   1008  1.31.2.2  skrll 	/* if we change the offset, adjust the time */
   1009  1.31.2.2  skrll 	s = splclock();
   1010  1.31.2.2  skrll 	tv = time;
   1011  1.31.2.2  skrll 	splx(s);
   1012  1.31.2.2  skrll 	delta.tv_sec = 60*(new_rtc_offset - rtc_offset);
   1013  1.31.2.2  skrll 	delta.tv_usec = 0;
   1014  1.31.2.2  skrll 	timeradd(&tv, &delta, &tv);
   1015  1.31.2.2  skrll 	rtc_offset = new_rtc_offset;
   1016  1.31.2.2  skrll 	settime(&tv);
   1017  1.31.2.2  skrll 
   1018  1.31.2.2  skrll 	return (0);
   1019  1.31.2.2  skrll }
   1020  1.31.2.2  skrll 
   1021  1.31.2.2  skrll /*
   1022  1.31.2.2  skrll  * sysctl helper routine for kern.maxvnodes.  ensures that the new
   1023  1.31.2.2  skrll  * values are not too low or too high.
   1024  1.31.2.2  skrll  */
   1025  1.31.2.2  skrll static int
   1026  1.31.2.2  skrll sysctl_kern_maxproc(SYSCTLFN_ARGS)
   1027  1.31.2.2  skrll {
   1028  1.31.2.2  skrll 	int error, nmaxproc;
   1029  1.31.2.2  skrll 	struct sysctlnode node;
   1030  1.31.2.2  skrll 
   1031  1.31.2.2  skrll 	nmaxproc = maxproc;
   1032  1.31.2.2  skrll 	node = *rnode;
   1033  1.31.2.2  skrll 	node.sysctl_data = &nmaxproc;
   1034  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1035  1.31.2.2  skrll 	if (error || newp == NULL)
   1036  1.31.2.2  skrll 		return (error);
   1037  1.31.2.2  skrll 
   1038  1.31.2.2  skrll 	if (nmaxproc < 0 || nmaxproc >= PID_MAX)
   1039  1.31.2.2  skrll 		return (EINVAL);
   1040  1.31.2.2  skrll #ifdef __HAVE_CPU_MAXPROC
   1041  1.31.2.2  skrll 	if (nmaxproc > cpu_maxproc())
   1042  1.31.2.2  skrll 		return (EINVAL);
   1043  1.31.2.2  skrll #endif
   1044  1.31.2.2  skrll 	maxproc = nmaxproc;
   1045  1.31.2.2  skrll 
   1046  1.31.2.2  skrll 	return (0);
   1047  1.31.2.2  skrll }
   1048  1.31.2.2  skrll 
   1049  1.31.2.2  skrll /*
   1050  1.31.2.2  skrll  * sysctl helper routine for kern.securelevel.  ensures that the value
   1051  1.31.2.2  skrll  * only rises unless the caller has pid 1 (assumed to be init).
   1052  1.31.2.2  skrll  */
   1053  1.31.2.2  skrll static int
   1054  1.31.2.2  skrll sysctl_kern_securelevel(SYSCTLFN_ARGS)
   1055  1.31.2.2  skrll {
   1056  1.31.2.2  skrll 	int newsecurelevel, error;
   1057  1.31.2.2  skrll 	struct sysctlnode node;
   1058  1.31.2.2  skrll 
   1059  1.31.2.2  skrll 	newsecurelevel = securelevel;
   1060  1.31.2.2  skrll 	node = *rnode;
   1061  1.31.2.2  skrll 	node.sysctl_data = &newsecurelevel;
   1062  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1063  1.31.2.2  skrll 	if (error || newp == NULL)
   1064  1.31.2.2  skrll 		return (error);
   1065  1.31.2.2  skrll 
   1066  1.31.2.2  skrll 	if (newsecurelevel < securelevel && l && l->l_proc->p_pid != 1)
   1067  1.31.2.2  skrll 		return (EPERM);
   1068  1.31.2.2  skrll 	securelevel = newsecurelevel;
   1069  1.31.2.2  skrll 
   1070  1.31.2.2  skrll 	return (error);
   1071  1.31.2.2  skrll }
   1072  1.31.2.2  skrll 
   1073  1.31.2.2  skrll /*
   1074  1.31.2.2  skrll  * sysctl helper function for kern.hostid.  the hostid is a long, but
   1075  1.31.2.2  skrll  * we export it as an int, so we need to give it a little help.
   1076  1.31.2.2  skrll  */
   1077  1.31.2.2  skrll static int
   1078  1.31.2.2  skrll sysctl_kern_hostid(SYSCTLFN_ARGS)
   1079  1.31.2.2  skrll {
   1080  1.31.2.2  skrll 	int error, inthostid;
   1081  1.31.2.2  skrll 	struct sysctlnode node;
   1082  1.31.2.2  skrll 
   1083  1.31.2.2  skrll 	inthostid = hostid;  /* XXX assumes sizeof int <= sizeof long */
   1084  1.31.2.2  skrll 	node = *rnode;
   1085  1.31.2.2  skrll 	node.sysctl_data = &inthostid;
   1086  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1087  1.31.2.2  skrll 	if (error || newp == NULL)
   1088  1.31.2.2  skrll 		return (error);
   1089  1.31.2.2  skrll 
   1090  1.31.2.2  skrll 	hostid = (unsigned)inthostid;
   1091  1.31.2.2  skrll 
   1092  1.31.2.2  skrll 	return (0);
   1093  1.31.2.2  skrll }
   1094  1.31.2.2  skrll 
   1095  1.31.2.2  skrll /*
   1096  1.31.2.2  skrll  * sysctl helper function for kern.hostname and kern.domainnname.
   1097  1.31.2.2  skrll  * resets the relevant recorded length when the underlying name is
   1098  1.31.2.2  skrll  * changed.
   1099  1.31.2.2  skrll  */
   1100  1.31.2.2  skrll static int
   1101  1.31.2.2  skrll sysctl_setlen(SYSCTLFN_ARGS)
   1102  1.31.2.2  skrll {
   1103  1.31.2.2  skrll 	int error;
   1104  1.31.2.2  skrll 
   1105  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(rnode));
   1106  1.31.2.2  skrll 	if (error || newp == NULL)
   1107  1.31.2.2  skrll 		return (error);
   1108  1.31.2.2  skrll 
   1109  1.31.2.2  skrll 	switch (rnode->sysctl_num) {
   1110  1.31.2.2  skrll 	case KERN_HOSTNAME:
   1111  1.31.2.2  skrll 		hostnamelen = strlen((const char*)rnode->sysctl_data);
   1112  1.31.2.2  skrll 		break;
   1113  1.31.2.2  skrll 	case KERN_DOMAINNAME:
   1114  1.31.2.2  skrll 		domainnamelen = strlen((const char*)rnode->sysctl_data);
   1115  1.31.2.2  skrll 		break;
   1116  1.31.2.2  skrll 	}
   1117  1.31.2.2  skrll 
   1118  1.31.2.2  skrll 	return (0);
   1119  1.31.2.2  skrll }
   1120  1.31.2.2  skrll 
   1121  1.31.2.2  skrll /*
   1122  1.31.2.2  skrll  * sysctl helper routine for kern.clockrate.  assembles a struct on
   1123  1.31.2.2  skrll  * the fly to be returned to the caller.
   1124  1.31.2.2  skrll  */
   1125  1.31.2.2  skrll static int
   1126  1.31.2.2  skrll sysctl_kern_clockrate(SYSCTLFN_ARGS)
   1127  1.31.2.2  skrll {
   1128  1.31.2.2  skrll 	struct clockinfo clkinfo;
   1129  1.31.2.2  skrll 	struct sysctlnode node;
   1130  1.31.2.2  skrll 
   1131  1.31.2.2  skrll 	clkinfo.tick = tick;
   1132  1.31.2.2  skrll 	clkinfo.tickadj = tickadj;
   1133  1.31.2.2  skrll 	clkinfo.hz = hz;
   1134  1.31.2.2  skrll 	clkinfo.profhz = profhz;
   1135  1.31.2.2  skrll 	clkinfo.stathz = stathz ? stathz : hz;
   1136  1.31.2.2  skrll 
   1137  1.31.2.2  skrll 	node = *rnode;
   1138  1.31.2.2  skrll 	node.sysctl_data = &clkinfo;
   1139  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1140  1.31.2.2  skrll }
   1141  1.31.2.2  skrll 
   1142  1.31.2.2  skrll 
   1143  1.31.2.2  skrll /*
   1144  1.31.2.2  skrll  * sysctl helper routine for kern.file pseudo-subtree.
   1145  1.31.2.2  skrll  */
   1146  1.31.2.2  skrll static int
   1147  1.31.2.2  skrll sysctl_kern_file(SYSCTLFN_ARGS)
   1148  1.31.2.2  skrll {
   1149  1.31.2.2  skrll 	int error;
   1150  1.31.2.2  skrll 	size_t buflen;
   1151  1.31.2.2  skrll 	struct file *fp;
   1152  1.31.2.2  skrll 	char *start, *where;
   1153  1.31.2.2  skrll 
   1154  1.31.2.2  skrll 	start = where = oldp;
   1155  1.31.2.2  skrll 	buflen = *oldlenp;
   1156  1.31.2.2  skrll 	if (where == NULL) {
   1157  1.31.2.2  skrll 		/*
   1158  1.31.2.2  skrll 		 * overestimate by 10 files
   1159  1.31.2.2  skrll 		 */
   1160  1.31.2.2  skrll 		*oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file);
   1161  1.31.2.2  skrll 		return (0);
   1162  1.31.2.2  skrll 	}
   1163  1.31.2.2  skrll 
   1164  1.31.2.2  skrll 	/*
   1165  1.31.2.2  skrll 	 * first copyout filehead
   1166  1.31.2.2  skrll 	 */
   1167  1.31.2.2  skrll 	if (buflen < sizeof(filehead)) {
   1168  1.31.2.2  skrll 		*oldlenp = 0;
   1169  1.31.2.2  skrll 		return (0);
   1170  1.31.2.2  skrll 	}
   1171  1.31.2.2  skrll 	error = copyout(&filehead, where, sizeof(filehead));
   1172  1.31.2.2  skrll 	if (error)
   1173  1.31.2.2  skrll 		return (error);
   1174  1.31.2.2  skrll 	buflen -= sizeof(filehead);
   1175  1.31.2.2  skrll 	where += sizeof(filehead);
   1176  1.31.2.2  skrll 
   1177  1.31.2.2  skrll 	/*
   1178  1.31.2.2  skrll 	 * followed by an array of file structures
   1179  1.31.2.2  skrll 	 */
   1180  1.31.2.2  skrll 	LIST_FOREACH(fp, &filehead, f_list) {
   1181  1.31.2.2  skrll 		if (buflen < sizeof(struct file)) {
   1182  1.31.2.2  skrll 			*oldlenp = where - start;
   1183  1.31.2.2  skrll 			return (ENOMEM);
   1184  1.31.2.2  skrll 		}
   1185  1.31.2.2  skrll 		error = copyout(fp, where, sizeof(struct file));
   1186  1.31.2.2  skrll 		if (error)
   1187  1.31.2.2  skrll 			return (error);
   1188  1.31.2.2  skrll 		buflen -= sizeof(struct file);
   1189  1.31.2.2  skrll 		where += sizeof(struct file);
   1190  1.31.2.2  skrll 	}
   1191  1.31.2.2  skrll 	*oldlenp = where - start;
   1192  1.31.2.2  skrll 	return (0);
   1193  1.31.2.2  skrll }
   1194  1.31.2.2  skrll 
   1195  1.31.2.2  skrll /*
   1196  1.31.2.2  skrll  * sysctl helper routine for kern.autonicetime and kern.autoniceval.
   1197  1.31.2.2  skrll  * asserts that the assigned value is in the correct range.
   1198  1.31.2.2  skrll  */
   1199  1.31.2.2  skrll static int
   1200  1.31.2.2  skrll sysctl_kern_autonice(SYSCTLFN_ARGS)
   1201  1.31.2.2  skrll {
   1202  1.31.2.2  skrll 	int error, t = 0;
   1203  1.31.2.2  skrll 	struct sysctlnode node;
   1204  1.31.2.2  skrll 
   1205  1.31.2.2  skrll 	node = *rnode;
   1206  1.31.2.2  skrll 	t = *(int*)node.sysctl_data;
   1207  1.31.2.2  skrll 	node.sysctl_data = &t;
   1208  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1209  1.31.2.2  skrll 	if (error || newp == NULL)
   1210  1.31.2.2  skrll 		return (error);
   1211  1.31.2.2  skrll 
   1212  1.31.2.2  skrll 	switch (node.sysctl_num) {
   1213  1.31.2.2  skrll 	case KERN_AUTONICETIME:
   1214  1.31.2.2  skrll 		if (t >= 0)
   1215  1.31.2.2  skrll 			autonicetime = t;
   1216  1.31.2.2  skrll 		break;
   1217  1.31.2.2  skrll 	case KERN_AUTONICEVAL:
   1218  1.31.2.2  skrll 		if (t < PRIO_MIN)
   1219  1.31.2.2  skrll 			t = PRIO_MIN;
   1220  1.31.2.2  skrll 		else if (t > PRIO_MAX)
   1221  1.31.2.2  skrll 			t = PRIO_MAX;
   1222  1.31.2.2  skrll 		autoniceval = t;
   1223  1.31.2.2  skrll 		break;
   1224  1.31.2.2  skrll 	}
   1225  1.31.2.2  skrll 
   1226  1.31.2.2  skrll 	return (0);
   1227  1.31.2.2  skrll }
   1228  1.31.2.2  skrll 
   1229  1.31.2.2  skrll /*
   1230  1.31.2.2  skrll  * sysctl helper routine for kern.msgbufsize and kern.msgbuf.  for the
   1231  1.31.2.2  skrll  * former it merely checks the message buffer is set up.  for the latter,
   1232  1.31.2.2  skrll  * it also copies out the data if necessary.
   1233  1.31.2.2  skrll  */
   1234  1.31.2.2  skrll static int
   1235  1.31.2.2  skrll sysctl_msgbuf(SYSCTLFN_ARGS)
   1236  1.31.2.2  skrll {
   1237  1.31.2.2  skrll 	char *where = oldp;
   1238  1.31.2.2  skrll 	size_t len, maxlen;
   1239  1.31.2.2  skrll 	long beg, end;
   1240  1.31.2.2  skrll 	int error;
   1241  1.31.2.2  skrll 
   1242  1.31.2.2  skrll 	if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) {
   1243  1.31.2.2  skrll 		msgbufenabled = 0;
   1244  1.31.2.2  skrll 		return (ENXIO);
   1245  1.31.2.2  skrll 	}
   1246  1.31.2.2  skrll 
   1247  1.31.2.2  skrll 	switch (rnode->sysctl_num) {
   1248  1.31.2.2  skrll 	case KERN_MSGBUFSIZE: {
   1249  1.31.2.2  skrll 		struct sysctlnode node = *rnode;
   1250  1.31.2.2  skrll 		int msg_bufs = (int)msgbufp->msg_bufs;
   1251  1.31.2.2  skrll 		node.sysctl_data = &msg_bufs;
   1252  1.31.2.2  skrll 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1253  1.31.2.2  skrll 	}
   1254  1.31.2.2  skrll 	case KERN_MSGBUF:
   1255  1.31.2.2  skrll 		break;
   1256  1.31.2.2  skrll 	default:
   1257  1.31.2.2  skrll 		return (EOPNOTSUPP);
   1258  1.31.2.2  skrll 	}
   1259  1.31.2.2  skrll 
   1260  1.31.2.2  skrll 	if (newp != NULL)
   1261  1.31.2.2  skrll 		return (EPERM);
   1262  1.31.2.2  skrll 
   1263  1.31.2.2  skrll         if (oldp == NULL) {
   1264  1.31.2.2  skrll 		/* always return full buffer size */
   1265  1.31.2.2  skrll 		*oldlenp = msgbufp->msg_bufs;
   1266  1.31.2.2  skrll 		return (0);
   1267  1.31.2.2  skrll         }
   1268  1.31.2.2  skrll 
   1269  1.31.2.2  skrll 	error = 0;
   1270  1.31.2.2  skrll 	maxlen = MIN(msgbufp->msg_bufs, *oldlenp);
   1271  1.31.2.2  skrll 
   1272  1.31.2.2  skrll 	/*
   1273  1.31.2.2  skrll 	 * First, copy from the write pointer to the end of
   1274  1.31.2.2  skrll 	 * message buffer.
   1275  1.31.2.2  skrll 	 */
   1276  1.31.2.2  skrll 	beg = msgbufp->msg_bufx;
   1277  1.31.2.2  skrll 	end = msgbufp->msg_bufs;
   1278  1.31.2.2  skrll 	while (maxlen > 0) {
   1279  1.31.2.2  skrll 		len = MIN(end - beg, maxlen);
   1280  1.31.2.2  skrll 		if (len == 0)
   1281  1.31.2.2  skrll 			break;
   1282  1.31.2.2  skrll 		error = copyout(&msgbufp->msg_bufc[beg], where, len);
   1283  1.31.2.2  skrll 		if (error)
   1284  1.31.2.2  skrll 			break;
   1285  1.31.2.2  skrll 		where += len;
   1286  1.31.2.2  skrll 		maxlen -= len;
   1287  1.31.2.2  skrll 
   1288  1.31.2.2  skrll 		/*
   1289  1.31.2.2  skrll 		 * ... then, copy from the beginning of message buffer to
   1290  1.31.2.2  skrll 		 * the write pointer.
   1291  1.31.2.2  skrll 		 */
   1292  1.31.2.2  skrll 		beg = 0;
   1293  1.31.2.2  skrll 		end = msgbufp->msg_bufx;
   1294  1.31.2.2  skrll 	}
   1295  1.31.2.2  skrll 
   1296  1.31.2.2  skrll 	return (error);
   1297  1.31.2.2  skrll }
   1298  1.31.2.2  skrll 
   1299  1.31.2.2  skrll /*
   1300  1.31.2.2  skrll  * sysctl helper routine for kern.defcorename.  in the case of a new
   1301  1.31.2.2  skrll  * string being assigned, check that it's not a zero-length string.
   1302  1.31.2.2  skrll  * (XXX the check in -current doesn't work, but do we really care?)
   1303  1.31.2.2  skrll  */
   1304  1.31.2.2  skrll static int
   1305  1.31.2.2  skrll sysctl_kern_defcorename(SYSCTLFN_ARGS)
   1306  1.31.2.2  skrll {
   1307  1.31.2.2  skrll 	int error;
   1308  1.31.2.2  skrll 	char newcorename[MAXPATHLEN];
   1309  1.31.2.2  skrll 	struct sysctlnode node;
   1310  1.31.2.2  skrll 
   1311  1.31.2.2  skrll 	node = *rnode;
   1312  1.31.2.2  skrll 	node.sysctl_data = &newcorename[0];
   1313  1.31.2.2  skrll 	memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN);
   1314  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1315  1.31.2.2  skrll 	if (error || newp == NULL)
   1316  1.31.2.2  skrll 		return (error);
   1317  1.31.2.2  skrll 
   1318  1.31.2.2  skrll 	/*
   1319  1.31.2.2  skrll 	 * when sysctl_lookup() deals with a string, it's guaranteed
   1320  1.31.2.2  skrll 	 * to come back nul terminated.  so there.  :)
   1321  1.31.2.2  skrll 	 */
   1322  1.31.2.2  skrll 	if (strlen(newcorename) == 0)
   1323  1.31.2.2  skrll 		return (EINVAL);
   1324  1.31.2.2  skrll 
   1325  1.31.2.2  skrll 	memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN);
   1326  1.31.2.2  skrll 
   1327  1.31.2.2  skrll 	return (0);
   1328  1.31.2.2  skrll }
   1329  1.31.2.2  skrll 
   1330  1.31.2.2  skrll /*
   1331  1.31.2.2  skrll  * sysctl helper routine for kern.cp_time node.  adds up cpu time
   1332  1.31.2.2  skrll  * across all cpus.
   1333  1.31.2.2  skrll  */
   1334  1.31.2.2  skrll static int
   1335  1.31.2.2  skrll sysctl_kern_cptime(SYSCTLFN_ARGS)
   1336  1.31.2.2  skrll {
   1337  1.31.2.2  skrll 	struct sysctlnode node = *rnode;
   1338  1.31.2.2  skrll 
   1339  1.31.2.2  skrll #ifndef MULTIPROCESSOR
   1340  1.31.2.2  skrll 
   1341  1.31.2.2  skrll 	if (namelen == 1) {
   1342  1.31.2.2  skrll 		if (name[0] != 0)
   1343  1.31.2.2  skrll 			return (ENOENT);
   1344  1.31.2.2  skrll 		/*
   1345  1.31.2.2  skrll 		 * you're allowed to ask for the zero'th processor
   1346  1.31.2.2  skrll 		 */
   1347  1.31.2.2  skrll 		name++;
   1348  1.31.2.2  skrll 		namelen--;
   1349  1.31.2.2  skrll 	}
   1350  1.31.2.2  skrll 	node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time;
   1351  1.31.2.2  skrll 	node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time);
   1352  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1353  1.31.2.2  skrll 
   1354  1.31.2.2  skrll #else /* MULTIPROCESSOR */
   1355  1.31.2.2  skrll 
   1356  1.31.2.2  skrll 	u_int64_t *cp_time = NULL;
   1357  1.31.2.2  skrll 	int error, n = sysctl_ncpus(), i;
   1358  1.31.2.2  skrll 	struct cpu_info *ci;
   1359  1.31.2.2  skrll 	CPU_INFO_ITERATOR cii;
   1360  1.31.2.2  skrll 
   1361  1.31.2.2  skrll 	/*
   1362  1.31.2.2  skrll 	 * if you specifically pass a buffer that is the size of the
   1363  1.31.2.2  skrll 	 * sum, or if you are probing for the size, you get the "sum"
   1364  1.31.2.2  skrll 	 * of cp_time (and the size thereof) across all processors.
   1365  1.31.2.2  skrll 	 *
   1366  1.31.2.2  skrll 	 * alternately, you can pass an additional mib number and get
   1367  1.31.2.2  skrll 	 * cp_time for that particular processor.
   1368  1.31.2.2  skrll 	 */
   1369  1.31.2.2  skrll 	switch (namelen) {
   1370  1.31.2.2  skrll 	case 0:
   1371  1.31.2.2  skrll 	    	if (*oldlenp == sizeof(u_int64_t) * CPUSTATES || oldp == NULL) {
   1372  1.31.2.2  skrll 			node.sysctl_size = sizeof(u_int64_t) * CPUSTATES;
   1373  1.31.2.2  skrll 			n = -1; /* SUM */
   1374  1.31.2.2  skrll 		}
   1375  1.31.2.2  skrll 		else {
   1376  1.31.2.2  skrll 			node.sysctl_size = n * sizeof(u_int64_t) * CPUSTATES;
   1377  1.31.2.2  skrll 			n = -2; /* ALL */
   1378  1.31.2.2  skrll 		}
   1379  1.31.2.2  skrll 		break;
   1380  1.31.2.2  skrll 	case 1:
   1381  1.31.2.2  skrll 		if (name[0] < 0 || name[0] >= n)
   1382  1.31.2.2  skrll 			return (ENOENT); /* ENOSUCHPROCESSOR */
   1383  1.31.2.2  skrll 		node.sysctl_size = sizeof(u_int64_t) * CPUSTATES;
   1384  1.31.2.2  skrll 		n = name[0];
   1385  1.31.2.2  skrll 		/*
   1386  1.31.2.2  skrll 		 * adjust these so that sysctl_lookup() will be happy
   1387  1.31.2.2  skrll 		 */
   1388  1.31.2.2  skrll 		name++;
   1389  1.31.2.2  skrll 		namelen--;
   1390  1.31.2.2  skrll 		break;
   1391  1.31.2.2  skrll 	default:
   1392  1.31.2.2  skrll 		return (EINVAL);
   1393  1.31.2.2  skrll 	}
   1394  1.31.2.2  skrll 
   1395  1.31.2.2  skrll 	cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL);
   1396  1.31.2.2  skrll 	if (cp_time == NULL)
   1397  1.31.2.2  skrll 		return (ENOMEM);
   1398  1.31.2.2  skrll 	node.sysctl_data = cp_time;
   1399  1.31.2.2  skrll 	memset(cp_time, 0, node.sysctl_size);
   1400  1.31.2.2  skrll 
   1401  1.31.2.2  skrll 	for (CPU_INFO_FOREACH(cii, ci)) {
   1402  1.31.2.2  skrll 		if (n <= 0)
   1403  1.31.2.2  skrll 			for (i = 0; i < CPUSTATES; i++)
   1404  1.31.2.2  skrll 				cp_time[i] += ci->ci_schedstate.spc_cp_time[i];
   1405  1.31.2.2  skrll 		/*
   1406  1.31.2.2  skrll 		 * if a specific processor was requested and we just
   1407  1.31.2.2  skrll 		 * did it, we're done here
   1408  1.31.2.2  skrll 		 */
   1409  1.31.2.2  skrll 		if (n == 0)
   1410  1.31.2.2  skrll 			break;
   1411  1.31.2.2  skrll 		/*
   1412  1.31.2.2  skrll 		 * if doing "all", skip to next cp_time set for next processor
   1413  1.31.2.2  skrll 		 */
   1414  1.31.2.2  skrll 		if (n == -2)
   1415  1.31.2.2  skrll 			cp_time += CPUSTATES;
   1416  1.31.2.2  skrll 		/*
   1417  1.31.2.2  skrll 		 * if we're doing a specific processor, we're one
   1418  1.31.2.2  skrll 		 * processor closer
   1419  1.31.2.2  skrll 		 */
   1420  1.31.2.2  skrll 		if (n > 0)
   1421  1.31.2.2  skrll 			n--;
   1422  1.31.2.2  skrll 	}
   1423  1.31.2.2  skrll 
   1424  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1425  1.31.2.2  skrll 	free(node.sysctl_data, M_TEMP);
   1426  1.31.2.2  skrll 	return (error);
   1427  1.31.2.2  skrll 
   1428  1.31.2.2  skrll #endif /* MULTIPROCESSOR */
   1429  1.31.2.2  skrll }
   1430  1.31.2.2  skrll 
   1431  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
   1432  1.31.2.2  skrll /*
   1433  1.31.2.2  skrll  * sysctl helper routine for kern.sysvipc_info subtree.
   1434  1.31.2.2  skrll  */
   1435  1.31.2.2  skrll 
   1436  1.31.2.2  skrll #define	FILL_PERM(src, dst) do { \
   1437  1.31.2.2  skrll 	(dst)._key = (src)._key; \
   1438  1.31.2.2  skrll 	(dst).uid = (src).uid; \
   1439  1.31.2.2  skrll 	(dst).gid = (src).gid; \
   1440  1.31.2.2  skrll 	(dst).cuid = (src).cuid; \
   1441  1.31.2.2  skrll 	(dst).cgid = (src).cgid; \
   1442  1.31.2.2  skrll 	(dst).mode = (src).mode; \
   1443  1.31.2.2  skrll 	(dst)._seq = (src)._seq; \
   1444  1.31.2.2  skrll } while (/*CONSTCOND*/ 0);
   1445  1.31.2.2  skrll #define	FILL_MSG(src, dst) do { \
   1446  1.31.2.2  skrll 	FILL_PERM((src).msg_perm, (dst).msg_perm); \
   1447  1.31.2.2  skrll 	(dst).msg_qnum = (src).msg_qnum; \
   1448  1.31.2.2  skrll 	(dst).msg_qbytes = (src).msg_qbytes; \
   1449  1.31.2.2  skrll 	(dst)._msg_cbytes = (src)._msg_cbytes; \
   1450  1.31.2.2  skrll 	(dst).msg_lspid = (src).msg_lspid; \
   1451  1.31.2.2  skrll 	(dst).msg_lrpid = (src).msg_lrpid; \
   1452  1.31.2.2  skrll 	(dst).msg_stime = (src).msg_stime; \
   1453  1.31.2.2  skrll 	(dst).msg_rtime = (src).msg_rtime; \
   1454  1.31.2.2  skrll 	(dst).msg_ctime = (src).msg_ctime; \
   1455  1.31.2.2  skrll } while (/*CONSTCOND*/ 0)
   1456  1.31.2.2  skrll #define	FILL_SEM(src, dst) do { \
   1457  1.31.2.2  skrll 	FILL_PERM((src).sem_perm, (dst).sem_perm); \
   1458  1.31.2.2  skrll 	(dst).sem_nsems = (src).sem_nsems; \
   1459  1.31.2.2  skrll 	(dst).sem_otime = (src).sem_otime; \
   1460  1.31.2.2  skrll 	(dst).sem_ctime = (src).sem_ctime; \
   1461  1.31.2.2  skrll } while (/*CONSTCOND*/ 0)
   1462  1.31.2.2  skrll #define	FILL_SHM(src, dst) do { \
   1463  1.31.2.2  skrll 	FILL_PERM((src).shm_perm, (dst).shm_perm); \
   1464  1.31.2.2  skrll 	(dst).shm_segsz = (src).shm_segsz; \
   1465  1.31.2.2  skrll 	(dst).shm_lpid = (src).shm_lpid; \
   1466  1.31.2.2  skrll 	(dst).shm_cpid = (src).shm_cpid; \
   1467  1.31.2.2  skrll 	(dst).shm_atime = (src).shm_atime; \
   1468  1.31.2.2  skrll 	(dst).shm_dtime = (src).shm_dtime; \
   1469  1.31.2.2  skrll 	(dst).shm_ctime = (src).shm_ctime; \
   1470  1.31.2.2  skrll 	(dst).shm_nattch = (src).shm_nattch; \
   1471  1.31.2.2  skrll } while (/*CONSTCOND*/ 0)
   1472  1.31.2.2  skrll 
   1473  1.31.2.2  skrll static int
   1474  1.31.2.2  skrll sysctl_kern_sysvipc(SYSCTLFN_ARGS)
   1475  1.31.2.2  skrll {
   1476  1.31.2.2  skrll 	void *where = oldp;
   1477  1.31.2.2  skrll 	size_t *sizep = oldlenp;
   1478  1.31.2.2  skrll #ifdef SYSVMSG
   1479  1.31.2.2  skrll 	struct msg_sysctl_info *msgsi = NULL;
   1480  1.31.2.2  skrll #endif
   1481  1.31.2.2  skrll #ifdef SYSVSEM
   1482  1.31.2.2  skrll 	struct sem_sysctl_info *semsi = NULL;
   1483  1.31.2.2  skrll #endif
   1484  1.31.2.2  skrll #ifdef SYSVSHM
   1485  1.31.2.2  skrll 	struct shm_sysctl_info *shmsi = NULL;
   1486  1.31.2.2  skrll #endif
   1487  1.31.2.2  skrll 	size_t infosize, dssize, tsize, buflen;
   1488  1.31.2.2  skrll 	void *buf = NULL;
   1489  1.31.2.2  skrll 	char *start;
   1490  1.31.2.2  skrll 	int32_t nds;
   1491  1.31.2.2  skrll 	int i, error, ret;
   1492  1.31.2.2  skrll 
   1493  1.31.2.2  skrll 	if (namelen != 1)
   1494  1.31.2.2  skrll 		return (EINVAL);
   1495  1.31.2.2  skrll 
   1496  1.31.2.2  skrll 	start = where;
   1497  1.31.2.2  skrll 	buflen = *sizep;
   1498  1.31.2.2  skrll 
   1499  1.31.2.2  skrll 	switch (*name) {
   1500  1.31.2.2  skrll 	case KERN_SYSVIPC_MSG_INFO:
   1501  1.31.2.2  skrll #ifdef SYSVMSG
   1502  1.31.2.2  skrll 		infosize = sizeof(msgsi->msginfo);
   1503  1.31.2.2  skrll 		nds = msginfo.msgmni;
   1504  1.31.2.2  skrll 		dssize = sizeof(msgsi->msgids[0]);
   1505  1.31.2.2  skrll 		break;
   1506  1.31.2.2  skrll #else
   1507  1.31.2.2  skrll 		return (EINVAL);
   1508  1.31.2.2  skrll #endif
   1509  1.31.2.2  skrll 	case KERN_SYSVIPC_SEM_INFO:
   1510  1.31.2.2  skrll #ifdef SYSVSEM
   1511  1.31.2.2  skrll 		infosize = sizeof(semsi->seminfo);
   1512  1.31.2.2  skrll 		nds = seminfo.semmni;
   1513  1.31.2.2  skrll 		dssize = sizeof(semsi->semids[0]);
   1514  1.31.2.2  skrll 		break;
   1515  1.31.2.2  skrll #else
   1516  1.31.2.2  skrll 		return (EINVAL);
   1517  1.31.2.2  skrll #endif
   1518  1.31.2.2  skrll 	case KERN_SYSVIPC_SHM_INFO:
   1519  1.31.2.2  skrll #ifdef SYSVSHM
   1520  1.31.2.2  skrll 		infosize = sizeof(shmsi->shminfo);
   1521  1.31.2.2  skrll 		nds = shminfo.shmmni;
   1522  1.31.2.2  skrll 		dssize = sizeof(shmsi->shmids[0]);
   1523  1.31.2.2  skrll 		break;
   1524  1.31.2.2  skrll #else
   1525  1.31.2.2  skrll 		return (EINVAL);
   1526  1.31.2.2  skrll #endif
   1527  1.31.2.2  skrll 	default:
   1528  1.31.2.2  skrll 		return (EINVAL);
   1529  1.31.2.2  skrll 	}
   1530  1.31.2.2  skrll 	/*
   1531  1.31.2.2  skrll 	 * Round infosize to 64 bit boundary if requesting more than just
   1532  1.31.2.2  skrll 	 * the info structure or getting the total data size.
   1533  1.31.2.2  skrll 	 */
   1534  1.31.2.2  skrll 	if (where == NULL || *sizep > infosize)
   1535  1.31.2.2  skrll 		infosize = ((infosize + 7) / 8) * 8;
   1536  1.31.2.2  skrll 	tsize = infosize + nds * dssize;
   1537  1.31.2.2  skrll 
   1538  1.31.2.2  skrll 	/* Return just the total size required. */
   1539  1.31.2.2  skrll 	if (where == NULL) {
   1540  1.31.2.2  skrll 		*sizep = tsize;
   1541  1.31.2.2  skrll 		return (0);
   1542  1.31.2.2  skrll 	}
   1543  1.31.2.2  skrll 
   1544  1.31.2.2  skrll 	/* Not enough room for even the info struct. */
   1545  1.31.2.2  skrll 	if (buflen < infosize) {
   1546  1.31.2.2  skrll 		*sizep = 0;
   1547  1.31.2.2  skrll 		return (ENOMEM);
   1548  1.31.2.2  skrll 	}
   1549  1.31.2.2  skrll 	buf = malloc(min(tsize, buflen), M_TEMP, M_WAITOK);
   1550  1.31.2.2  skrll 	memset(buf, 0, min(tsize, buflen));
   1551  1.31.2.2  skrll 
   1552  1.31.2.2  skrll 	switch (*name) {
   1553  1.31.2.2  skrll #ifdef SYSVMSG
   1554  1.31.2.2  skrll 	case KERN_SYSVIPC_MSG_INFO:
   1555  1.31.2.2  skrll 		msgsi = (struct msg_sysctl_info *)buf;
   1556  1.31.2.2  skrll 		msgsi->msginfo = msginfo;
   1557  1.31.2.2  skrll 		break;
   1558  1.31.2.2  skrll #endif
   1559  1.31.2.2  skrll #ifdef SYSVSEM
   1560  1.31.2.2  skrll 	case KERN_SYSVIPC_SEM_INFO:
   1561  1.31.2.2  skrll 		semsi = (struct sem_sysctl_info *)buf;
   1562  1.31.2.2  skrll 		semsi->seminfo = seminfo;
   1563  1.31.2.2  skrll 		break;
   1564  1.31.2.2  skrll #endif
   1565  1.31.2.2  skrll #ifdef SYSVSHM
   1566  1.31.2.2  skrll 	case KERN_SYSVIPC_SHM_INFO:
   1567  1.31.2.2  skrll 		shmsi = (struct shm_sysctl_info *)buf;
   1568  1.31.2.2  skrll 		shmsi->shminfo = shminfo;
   1569  1.31.2.2  skrll 		break;
   1570  1.31.2.2  skrll #endif
   1571  1.31.2.2  skrll 	}
   1572  1.31.2.2  skrll 	buflen -= infosize;
   1573  1.31.2.2  skrll 
   1574  1.31.2.2  skrll 	ret = 0;
   1575  1.31.2.2  skrll 	if (buflen > 0) {
   1576  1.31.2.2  skrll 		/* Fill in the IPC data structures.  */
   1577  1.31.2.2  skrll 		for (i = 0; i < nds; i++) {
   1578  1.31.2.2  skrll 			if (buflen < dssize) {
   1579  1.31.2.2  skrll 				ret = ENOMEM;
   1580  1.31.2.2  skrll 				break;
   1581  1.31.2.2  skrll 			}
   1582  1.31.2.2  skrll 			switch (*name) {
   1583  1.31.2.2  skrll #ifdef SYSVMSG
   1584  1.31.2.2  skrll 			case KERN_SYSVIPC_MSG_INFO:
   1585  1.31.2.2  skrll 				FILL_MSG(msqids[i], msgsi->msgids[i]);
   1586  1.31.2.2  skrll 				break;
   1587  1.31.2.2  skrll #endif
   1588  1.31.2.2  skrll #ifdef SYSVSEM
   1589  1.31.2.2  skrll 			case KERN_SYSVIPC_SEM_INFO:
   1590  1.31.2.2  skrll 				FILL_SEM(sema[i], semsi->semids[i]);
   1591  1.31.2.2  skrll 				break;
   1592  1.31.2.2  skrll #endif
   1593  1.31.2.2  skrll #ifdef SYSVSHM
   1594  1.31.2.2  skrll 			case KERN_SYSVIPC_SHM_INFO:
   1595  1.31.2.2  skrll 				FILL_SHM(shmsegs[i], shmsi->shmids[i]);
   1596  1.31.2.2  skrll 				break;
   1597  1.31.2.2  skrll #endif
   1598  1.31.2.2  skrll 			}
   1599  1.31.2.2  skrll 			buflen -= dssize;
   1600  1.31.2.2  skrll 		}
   1601  1.31.2.2  skrll 	}
   1602  1.31.2.2  skrll 	*sizep -= buflen;
   1603  1.31.2.2  skrll 	error = copyout(buf, start, *sizep);
   1604  1.31.2.2  skrll 	/* If copyout succeeded, use return code set earlier. */
   1605  1.31.2.2  skrll 	if (error == 0)
   1606  1.31.2.2  skrll 		error = ret;
   1607  1.31.2.2  skrll 	if (buf)
   1608  1.31.2.2  skrll 		free(buf, M_TEMP);
   1609  1.31.2.2  skrll 	return (error);
   1610  1.31.2.2  skrll }
   1611  1.31.2.2  skrll 
   1612  1.31.2.2  skrll #undef FILL_PERM
   1613  1.31.2.2  skrll #undef FILL_MSG
   1614  1.31.2.2  skrll #undef FILL_SEM
   1615  1.31.2.2  skrll #undef FILL_SHM
   1616  1.31.2.2  skrll 
   1617  1.31.2.2  skrll #endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */
   1618  1.31.2.2  skrll 
   1619  1.31.2.2  skrll #if NPTY > 0
   1620  1.31.2.2  skrll /*
   1621  1.31.2.2  skrll  * sysctl helper routine for kern.maxptys.  ensures that any new value
   1622  1.31.2.2  skrll  * is acceptable to the pty subsystem.
   1623  1.31.2.2  skrll  */
   1624  1.31.2.2  skrll static int
   1625  1.31.2.2  skrll sysctl_kern_maxptys(SYSCTLFN_ARGS)
   1626  1.31.2.2  skrll {
   1627  1.31.2.2  skrll 	int pty_maxptys(int, int);		/* defined in kern/tty_pty.c */
   1628  1.31.2.2  skrll 	int error, max;
   1629  1.31.2.2  skrll 	struct sysctlnode node;
   1630  1.31.2.2  skrll 
   1631  1.31.2.2  skrll 	/* get current value of maxptys */
   1632  1.31.2.2  skrll 	max = pty_maxptys(0, 0);
   1633  1.31.2.2  skrll 
   1634  1.31.2.2  skrll 	node = *rnode;
   1635  1.31.2.2  skrll 	node.sysctl_data = &max;
   1636  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1637  1.31.2.2  skrll 	if (error || newp == NULL)
   1638  1.31.2.2  skrll 		return (error);
   1639  1.31.2.2  skrll 
   1640  1.31.2.2  skrll 	if (max != pty_maxptys(max, 1))
   1641  1.31.2.2  skrll 		return (EINVAL);
   1642  1.31.2.2  skrll 
   1643  1.31.2.2  skrll 	return (0);
   1644  1.31.2.2  skrll }
   1645  1.31.2.2  skrll #endif /* NPTY > 0 */
   1646  1.31.2.2  skrll 
   1647  1.31.2.2  skrll /*
   1648  1.31.2.2  skrll  * sysctl helper routine for kern.sbmax.  basically just ensures that
   1649  1.31.2.2  skrll  * any new value is not too small.
   1650  1.31.2.2  skrll  */
   1651  1.31.2.2  skrll static int
   1652  1.31.2.2  skrll sysctl_kern_sbmax(SYSCTLFN_ARGS)
   1653  1.31.2.2  skrll {
   1654  1.31.2.2  skrll 	int error, new_sbmax;
   1655  1.31.2.2  skrll 	struct sysctlnode node;
   1656  1.31.2.2  skrll 
   1657  1.31.2.2  skrll 	new_sbmax = sb_max;
   1658  1.31.2.2  skrll 	node = *rnode;
   1659  1.31.2.2  skrll 	node.sysctl_data = &new_sbmax;
   1660  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1661  1.31.2.2  skrll 	if (error || newp == NULL)
   1662  1.31.2.2  skrll 		return (error);
   1663  1.31.2.2  skrll 
   1664  1.31.2.2  skrll 	error = sb_max_set(new_sbmax);
   1665  1.31.2.2  skrll 
   1666  1.31.2.2  skrll 	return (error);
   1667  1.31.2.2  skrll }
   1668  1.31.2.2  skrll 
   1669  1.31.2.2  skrll /*
   1670  1.31.2.2  skrll  * sysctl helper routine for kern.urandom node.  picks a random number
   1671  1.31.2.2  skrll  * for you.
   1672  1.31.2.2  skrll  */
   1673  1.31.2.2  skrll static int
   1674  1.31.2.2  skrll sysctl_kern_urnd(SYSCTLFN_ARGS)
   1675  1.31.2.2  skrll {
   1676  1.31.2.2  skrll #if NRND > 0
   1677  1.31.2.2  skrll 	int v;
   1678  1.31.2.2  skrll 
   1679  1.31.2.2  skrll 	if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) {
   1680  1.31.2.2  skrll 		struct sysctlnode node = *rnode;
   1681  1.31.2.2  skrll 		node.sysctl_data = &v;
   1682  1.31.2.2  skrll 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1683  1.31.2.2  skrll 	}
   1684  1.31.2.2  skrll 	else
   1685  1.31.2.2  skrll 		return (EIO);	/*XXX*/
   1686  1.31.2.2  skrll #else
   1687  1.31.2.2  skrll 	return (EOPNOTSUPP);
   1688  1.31.2.2  skrll #endif
   1689  1.31.2.2  skrll }
   1690  1.31.2.2  skrll 
   1691  1.31.2.2  skrll /*
   1692  1.31.2.2  skrll  * sysctl helper routine to do kern.lwp.* work.
   1693  1.31.2.2  skrll  */
   1694  1.31.2.2  skrll static int
   1695  1.31.2.2  skrll sysctl_kern_lwp(SYSCTLFN_ARGS)
   1696  1.31.2.2  skrll {
   1697  1.31.2.2  skrll 	struct kinfo_lwp klwp;
   1698  1.31.2.2  skrll 	struct proc *p;
   1699  1.31.2.2  skrll 	struct lwp *l2;
   1700  1.31.2.2  skrll 	char *where, *dp;
   1701  1.31.2.2  skrll 	int pid, elem_size, elem_count;
   1702  1.31.2.2  skrll 	int buflen, needed, error;
   1703  1.31.2.2  skrll 
   1704  1.31.2.2  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   1705  1.31.2.2  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   1706  1.31.2.2  skrll 
   1707  1.31.2.2  skrll 	dp = where = oldp;
   1708  1.31.2.2  skrll 	buflen = where != NULL ? *oldlenp : 0;
   1709  1.31.2.2  skrll 	error = needed = 0;
   1710  1.31.2.2  skrll 
   1711  1.31.2.2  skrll 	if (newp != NULL || namelen != 3)
   1712  1.31.2.2  skrll 		return (EINVAL);
   1713  1.31.2.2  skrll 	pid = name[0];
   1714  1.31.2.2  skrll 	elem_size = name[1];
   1715  1.31.2.2  skrll 	elem_count = name[2];
   1716  1.31.2.2  skrll 
   1717  1.31.2.2  skrll 	p = pfind(pid);
   1718  1.31.2.2  skrll 	if (p == NULL)
   1719  1.31.2.2  skrll 		return (ESRCH);
   1720  1.31.2.2  skrll 	LIST_FOREACH(l2, &p->p_lwps, l_sibling) {
   1721  1.31.2.2  skrll 		if (buflen >= elem_size && elem_count > 0) {
   1722  1.31.2.2  skrll 			fill_lwp(l2, &klwp);
   1723  1.31.2.2  skrll 			/*
   1724  1.31.2.2  skrll 			 * Copy out elem_size, but not larger than
   1725  1.31.2.2  skrll 			 * the size of a struct kinfo_proc2.
   1726  1.31.2.2  skrll 			 */
   1727  1.31.2.2  skrll 			error = copyout(&klwp, dp,
   1728  1.31.2.2  skrll 			    min(sizeof(klwp), elem_size));
   1729  1.31.2.2  skrll 			if (error)
   1730  1.31.2.2  skrll 				goto cleanup;
   1731  1.31.2.2  skrll 			dp += elem_size;
   1732  1.31.2.2  skrll 			buflen -= elem_size;
   1733  1.31.2.2  skrll 			elem_count--;
   1734  1.31.2.2  skrll 		}
   1735  1.31.2.2  skrll 		needed += elem_size;
   1736  1.31.2.2  skrll 	}
   1737  1.31.2.2  skrll 
   1738  1.31.2.2  skrll 	if (where != NULL) {
   1739  1.31.2.2  skrll 		*oldlenp = dp - where;
   1740  1.31.2.2  skrll 		if (needed > *oldlenp)
   1741  1.31.2.2  skrll 			return (ENOMEM);
   1742  1.31.2.2  skrll 	} else {
   1743  1.31.2.2  skrll 		needed += KERN_LWPSLOP;
   1744  1.31.2.2  skrll 		*oldlenp = needed;
   1745  1.31.2.2  skrll 	}
   1746  1.31.2.2  skrll 	return (0);
   1747  1.31.2.2  skrll  cleanup:
   1748  1.31.2.2  skrll 	return (error);
   1749  1.31.2.2  skrll }
   1750  1.31.2.2  skrll 
   1751  1.31.2.2  skrll /*
   1752  1.31.2.2  skrll  * sysctl helper routine for kern.forkfsleep node.  ensures that the
   1753  1.31.2.2  skrll  * given value is not too large or two small, and is at least one
   1754  1.31.2.2  skrll  * timer tick if not zero.
   1755  1.31.2.2  skrll  */
   1756  1.31.2.2  skrll static int
   1757  1.31.2.2  skrll sysctl_kern_forkfsleep(SYSCTLFN_ARGS)
   1758  1.31.2.2  skrll {
   1759  1.31.2.2  skrll 	/* userland sees value in ms, internally is in ticks */
   1760  1.31.2.2  skrll 	extern int forkfsleep;		/* defined in kern/kern_fork.c */
   1761  1.31.2.2  skrll 	int error, timo, lsleep;
   1762  1.31.2.2  skrll 	struct sysctlnode node;
   1763  1.31.2.2  skrll 
   1764  1.31.2.2  skrll 	lsleep = forkfsleep * 1000 / hz;
   1765  1.31.2.2  skrll 	node = *rnode;
   1766  1.31.2.2  skrll 	node.sysctl_data = &lsleep;
   1767  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1768  1.31.2.2  skrll 	if (error || newp == NULL)
   1769  1.31.2.2  skrll 		return (error);
   1770  1.31.2.2  skrll 
   1771  1.31.2.2  skrll 	/* refuse negative values, and overly 'long time' */
   1772  1.31.2.2  skrll 	if (lsleep < 0 || lsleep > MAXSLP * 1000)
   1773  1.31.2.2  skrll 		return (EINVAL);
   1774  1.31.2.2  skrll 
   1775  1.31.2.2  skrll 	timo = mstohz(lsleep);
   1776  1.31.2.2  skrll 
   1777  1.31.2.2  skrll 	/* if the interval is >0 ms && <1 tick, use 1 tick */
   1778  1.31.2.2  skrll 	if (lsleep != 0 && timo == 0)
   1779  1.31.2.2  skrll 		forkfsleep = 1;
   1780  1.31.2.2  skrll 	else
   1781  1.31.2.2  skrll 		forkfsleep = timo;
   1782  1.31.2.2  skrll 
   1783  1.31.2.2  skrll 	return (0);
   1784  1.31.2.2  skrll }
   1785  1.31.2.2  skrll 
   1786  1.31.2.2  skrll /*
   1787  1.31.2.2  skrll  * sysctl helper routine for kern.root_partition
   1788  1.31.2.2  skrll  */
   1789  1.31.2.2  skrll static int
   1790  1.31.2.2  skrll sysctl_kern_root_partition(SYSCTLFN_ARGS)
   1791  1.31.2.2  skrll {
   1792  1.31.2.2  skrll 	int rootpart = DISKPART(rootdev);
   1793  1.31.2.2  skrll 	struct sysctlnode node = *rnode;
   1794  1.31.2.2  skrll 
   1795  1.31.2.2  skrll 	node.sysctl_data = &rootpart;
   1796  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1797  1.31.2.2  skrll }
   1798  1.31.2.2  skrll 
   1799  1.31.2.2  skrll /*
   1800  1.31.2.2  skrll  * sysctl helper function for kern.drivers
   1801  1.31.2.2  skrll  */
   1802  1.31.2.2  skrll static int
   1803  1.31.2.2  skrll sysctl_kern_drivers(SYSCTLFN_ARGS)
   1804  1.31.2.2  skrll {
   1805  1.31.2.2  skrll 	int error;
   1806  1.31.2.2  skrll 	size_t buflen;
   1807  1.31.2.2  skrll 	struct kinfo_drivers kd;
   1808  1.31.2.2  skrll 	char *start, *where;
   1809  1.31.2.2  skrll 	const char *dname;
   1810  1.31.2.2  skrll 	int i;
   1811  1.31.2.2  skrll 	extern struct devsw_conv *devsw_conv;
   1812  1.31.2.2  skrll 	extern int max_devsw_convs;
   1813  1.31.2.2  skrll 
   1814  1.31.2.2  skrll 	if (newp != NULL || namelen != 0)
   1815  1.31.2.2  skrll 		return (EINVAL);
   1816  1.31.2.2  skrll 
   1817  1.31.2.2  skrll 	start = where = oldp;
   1818  1.31.2.2  skrll 	buflen = *oldlenp;
   1819  1.31.2.2  skrll 	if (where == NULL) {
   1820  1.31.2.2  skrll 		*oldlenp = max_devsw_convs * sizeof kd;
   1821  1.31.2.2  skrll 		return 0;
   1822  1.31.2.2  skrll 	}
   1823  1.31.2.2  skrll 
   1824  1.31.2.2  skrll 	/*
   1825  1.31.2.2  skrll 	 * An array of kinfo_drivers structures
   1826  1.31.2.2  skrll 	 */
   1827  1.31.2.2  skrll 	error = 0;
   1828  1.31.2.2  skrll 	for (i = 0; i < max_devsw_convs; i++) {
   1829  1.31.2.2  skrll 		dname = devsw_conv[i].d_name;
   1830  1.31.2.2  skrll 		if (dname == NULL)
   1831  1.31.2.2  skrll 			continue;
   1832  1.31.2.2  skrll 		if (buflen < sizeof kd) {
   1833  1.31.2.2  skrll 			error = ENOMEM;
   1834  1.31.2.2  skrll 			break;
   1835  1.31.2.2  skrll 		}
   1836  1.31.2.2  skrll 		memset(&kd, 0, sizeof(kd));
   1837  1.31.2.2  skrll 		kd.d_bmajor = devsw_conv[i].d_bmajor;
   1838  1.31.2.2  skrll 		kd.d_cmajor = devsw_conv[i].d_cmajor;
   1839  1.31.2.2  skrll 		strlcpy(kd.d_name, dname, sizeof kd.d_name);
   1840  1.31.2.2  skrll 		error = copyout(&kd, where, sizeof kd);
   1841  1.31.2.2  skrll 		if (error != 0)
   1842  1.31.2.2  skrll 			break;
   1843  1.31.2.2  skrll 		buflen -= sizeof kd;
   1844  1.31.2.2  skrll 		where += sizeof kd;
   1845  1.31.2.2  skrll 	}
   1846  1.31.2.2  skrll 	*oldlenp = where - start;
   1847  1.31.2.2  skrll 	return error;
   1848  1.31.2.2  skrll }
   1849  1.31.2.2  skrll 
   1850  1.31.2.2  skrll static int
   1851  1.31.2.2  skrll sysctl_doeproc(SYSCTLFN_ARGS)
   1852  1.31.2.2  skrll {
   1853  1.31.2.2  skrll 	struct eproc eproc;
   1854  1.31.2.2  skrll 	struct kinfo_proc2 kproc2;
   1855  1.31.2.2  skrll 	struct kinfo_proc *dp;
   1856  1.31.2.2  skrll 	struct proc *p;
   1857  1.31.2.2  skrll 	const struct proclist_desc *pd;
   1858  1.31.2.2  skrll 	char *where, *dp2;
   1859  1.31.2.2  skrll 	int type, op, arg;
   1860  1.31.2.2  skrll 	u_int elem_size, elem_count;
   1861  1.31.2.2  skrll 	size_t buflen, needed;
   1862  1.31.2.2  skrll 	int error;
   1863  1.31.2.2  skrll 
   1864  1.31.2.2  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   1865  1.31.2.2  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   1866  1.31.2.2  skrll 
   1867  1.31.2.2  skrll 	dp = oldp;
   1868  1.31.2.2  skrll 	dp2 = where = oldp;
   1869  1.31.2.2  skrll 	buflen = where != NULL ? *oldlenp : 0;
   1870  1.31.2.2  skrll 	error = 0;
   1871  1.31.2.2  skrll 	needed = 0;
   1872  1.31.2.2  skrll 	type = rnode->sysctl_num;
   1873  1.31.2.2  skrll 
   1874  1.31.2.2  skrll 	if (type == KERN_PROC) {
   1875  1.31.2.2  skrll 		if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL))
   1876  1.31.2.2  skrll 			return (EINVAL);
   1877  1.31.2.2  skrll 		op = name[0];
   1878  1.31.2.2  skrll 		if (op != KERN_PROC_ALL)
   1879  1.31.2.2  skrll 			arg = name[1];
   1880  1.31.2.2  skrll 		else
   1881  1.31.2.2  skrll 			arg = 0;		/* Quell compiler warning */
   1882  1.31.2.2  skrll 		elem_size = elem_count = 0;	/* Ditto */
   1883  1.31.2.2  skrll 	} else {
   1884  1.31.2.2  skrll 		if (namelen != 4)
   1885  1.31.2.2  skrll 			return (EINVAL);
   1886  1.31.2.2  skrll 		op = name[0];
   1887  1.31.2.2  skrll 		arg = name[1];
   1888  1.31.2.2  skrll 		elem_size = name[2];
   1889  1.31.2.2  skrll 		elem_count = name[3];
   1890  1.31.2.2  skrll 	}
   1891  1.31.2.2  skrll 
   1892  1.31.2.2  skrll 	proclist_lock_read();
   1893  1.31.2.2  skrll 
   1894  1.31.2.2  skrll 	pd = proclists;
   1895  1.31.2.2  skrll again:
   1896  1.31.2.2  skrll 	for (p = LIST_FIRST(pd->pd_list); p != NULL; p = LIST_NEXT(p, p_list)) {
   1897  1.31.2.2  skrll 		/*
   1898  1.31.2.2  skrll 		 * Skip embryonic processes.
   1899  1.31.2.2  skrll 		 */
   1900  1.31.2.2  skrll 		if (p->p_stat == SIDL)
   1901  1.31.2.2  skrll 			continue;
   1902  1.31.2.2  skrll 		/*
   1903  1.31.2.2  skrll 		 * TODO - make more efficient (see notes below).
   1904  1.31.2.2  skrll 		 * do by session.
   1905  1.31.2.2  skrll 		 */
   1906  1.31.2.2  skrll 		switch (op) {
   1907  1.31.2.2  skrll 
   1908  1.31.2.2  skrll 		case KERN_PROC_PID:
   1909  1.31.2.2  skrll 			/* could do this with just a lookup */
   1910  1.31.2.2  skrll 			if (p->p_pid != (pid_t)arg)
   1911  1.31.2.2  skrll 				continue;
   1912  1.31.2.2  skrll 			break;
   1913  1.31.2.2  skrll 
   1914  1.31.2.2  skrll 		case KERN_PROC_PGRP:
   1915  1.31.2.2  skrll 			/* could do this by traversing pgrp */
   1916  1.31.2.2  skrll 			if (p->p_pgrp->pg_id != (pid_t)arg)
   1917  1.31.2.2  skrll 				continue;
   1918  1.31.2.2  skrll 			break;
   1919  1.31.2.2  skrll 
   1920  1.31.2.2  skrll 		case KERN_PROC_SESSION:
   1921  1.31.2.2  skrll 			if (p->p_session->s_sid != (pid_t)arg)
   1922  1.31.2.2  skrll 				continue;
   1923  1.31.2.2  skrll 			break;
   1924  1.31.2.2  skrll 
   1925  1.31.2.2  skrll 		case KERN_PROC_TTY:
   1926  1.31.2.2  skrll 			if (arg == (int) KERN_PROC_TTY_REVOKE) {
   1927  1.31.2.2  skrll 				if ((p->p_flag & P_CONTROLT) == 0 ||
   1928  1.31.2.2  skrll 				    p->p_session->s_ttyp == NULL ||
   1929  1.31.2.2  skrll 				    p->p_session->s_ttyvp != NULL)
   1930  1.31.2.2  skrll 					continue;
   1931  1.31.2.2  skrll 			} else if ((p->p_flag & P_CONTROLT) == 0 ||
   1932  1.31.2.2  skrll 			    p->p_session->s_ttyp == NULL) {
   1933  1.31.2.2  skrll 				if ((dev_t)arg != KERN_PROC_TTY_NODEV)
   1934  1.31.2.2  skrll 					continue;
   1935  1.31.2.2  skrll 			} else if (p->p_session->s_ttyp->t_dev != (dev_t)arg)
   1936  1.31.2.2  skrll 				continue;
   1937  1.31.2.2  skrll 			break;
   1938  1.31.2.2  skrll 
   1939  1.31.2.2  skrll 		case KERN_PROC_UID:
   1940  1.31.2.2  skrll 			if (p->p_ucred->cr_uid != (uid_t)arg)
   1941  1.31.2.2  skrll 				continue;
   1942  1.31.2.2  skrll 			break;
   1943  1.31.2.2  skrll 
   1944  1.31.2.2  skrll 		case KERN_PROC_RUID:
   1945  1.31.2.2  skrll 			if (p->p_cred->p_ruid != (uid_t)arg)
   1946  1.31.2.2  skrll 				continue;
   1947  1.31.2.2  skrll 			break;
   1948  1.31.2.2  skrll 
   1949  1.31.2.2  skrll 		case KERN_PROC_GID:
   1950  1.31.2.2  skrll 			if (p->p_ucred->cr_gid != (uid_t)arg)
   1951  1.31.2.2  skrll 				continue;
   1952  1.31.2.2  skrll 			break;
   1953  1.31.2.2  skrll 
   1954  1.31.2.2  skrll 		case KERN_PROC_RGID:
   1955  1.31.2.2  skrll 			if (p->p_cred->p_rgid != (uid_t)arg)
   1956  1.31.2.2  skrll 				continue;
   1957  1.31.2.2  skrll 			break;
   1958  1.31.2.2  skrll 
   1959  1.31.2.2  skrll 		case KERN_PROC_ALL:
   1960  1.31.2.2  skrll 			/* allow everything */
   1961  1.31.2.2  skrll 			break;
   1962  1.31.2.2  skrll 
   1963  1.31.2.2  skrll 		default:
   1964  1.31.2.2  skrll 			error = EINVAL;
   1965  1.31.2.2  skrll 			goto cleanup;
   1966  1.31.2.2  skrll 		}
   1967  1.31.2.2  skrll 		if (type == KERN_PROC) {
   1968  1.31.2.2  skrll 			if (buflen >= sizeof(struct kinfo_proc)) {
   1969  1.31.2.2  skrll 				fill_eproc(p, &eproc);
   1970  1.31.2.2  skrll 				error = copyout(p, &dp->kp_proc,
   1971  1.31.2.2  skrll 				    sizeof(struct proc));
   1972  1.31.2.2  skrll 				if (error)
   1973  1.31.2.2  skrll 					goto cleanup;
   1974  1.31.2.2  skrll 				error = copyout(&eproc, &dp->kp_eproc,
   1975  1.31.2.2  skrll 				    sizeof(eproc));
   1976  1.31.2.2  skrll 				if (error)
   1977  1.31.2.2  skrll 					goto cleanup;
   1978  1.31.2.2  skrll 				dp++;
   1979  1.31.2.2  skrll 				buflen -= sizeof(struct kinfo_proc);
   1980  1.31.2.2  skrll 			}
   1981  1.31.2.2  skrll 			needed += sizeof(struct kinfo_proc);
   1982  1.31.2.2  skrll 		} else { /* KERN_PROC2 */
   1983  1.31.2.2  skrll 			if (buflen >= elem_size && elem_count > 0) {
   1984  1.31.2.2  skrll 				fill_kproc2(p, &kproc2);
   1985  1.31.2.2  skrll 				/*
   1986  1.31.2.2  skrll 				 * Copy out elem_size, but not larger than
   1987  1.31.2.2  skrll 				 * the size of a struct kinfo_proc2.
   1988  1.31.2.2  skrll 				 */
   1989  1.31.2.2  skrll 				error = copyout(&kproc2, dp2,
   1990  1.31.2.2  skrll 				    min(sizeof(kproc2), elem_size));
   1991  1.31.2.2  skrll 				if (error)
   1992  1.31.2.2  skrll 					goto cleanup;
   1993  1.31.2.2  skrll 				dp2 += elem_size;
   1994  1.31.2.2  skrll 				buflen -= elem_size;
   1995  1.31.2.2  skrll 				elem_count--;
   1996  1.31.2.2  skrll 			}
   1997  1.31.2.2  skrll 			needed += elem_size;
   1998  1.31.2.2  skrll 		}
   1999  1.31.2.2  skrll 	}
   2000  1.31.2.2  skrll 	pd++;
   2001  1.31.2.2  skrll 	if (pd->pd_list != NULL)
   2002  1.31.2.2  skrll 		goto again;
   2003  1.31.2.2  skrll 	proclist_unlock_read();
   2004  1.31.2.2  skrll 
   2005  1.31.2.2  skrll 	if (where != NULL) {
   2006  1.31.2.2  skrll 		if (type == KERN_PROC)
   2007  1.31.2.2  skrll 			*oldlenp = (char *)dp - where;
   2008  1.31.2.2  skrll 		else
   2009  1.31.2.2  skrll 			*oldlenp = dp2 - where;
   2010  1.31.2.2  skrll 		if (needed > *oldlenp)
   2011  1.31.2.2  skrll 			return (ENOMEM);
   2012  1.31.2.2  skrll 	} else {
   2013  1.31.2.2  skrll 		needed += KERN_PROCSLOP;
   2014  1.31.2.2  skrll 		*oldlenp = needed;
   2015  1.31.2.2  skrll 	}
   2016  1.31.2.2  skrll 	return (0);
   2017  1.31.2.2  skrll  cleanup:
   2018  1.31.2.2  skrll 	proclist_unlock_read();
   2019  1.31.2.2  skrll 	return (error);
   2020  1.31.2.2  skrll }
   2021  1.31.2.2  skrll 
   2022  1.31.2.2  skrll /*
   2023  1.31.2.2  skrll  * sysctl helper routine for kern.proc_args pseudo-subtree.
   2024  1.31.2.2  skrll  */
   2025  1.31.2.2  skrll static int
   2026  1.31.2.2  skrll sysctl_kern_proc_args(SYSCTLFN_ARGS)
   2027  1.31.2.2  skrll {
   2028  1.31.2.2  skrll 	struct ps_strings pss;
   2029  1.31.2.2  skrll 	struct proc *p, *up = l->l_proc;
   2030  1.31.2.2  skrll 	size_t len, upper_bound, xlen, i;
   2031  1.31.2.2  skrll 	struct uio auio;
   2032  1.31.2.2  skrll 	struct iovec aiov;
   2033  1.31.2.2  skrll 	vaddr_t argv;
   2034  1.31.2.2  skrll 	pid_t pid;
   2035  1.31.2.2  skrll 	int nargv, type, error;
   2036  1.31.2.2  skrll 	char *arg;
   2037  1.31.2.2  skrll 	char *tmp;
   2038  1.31.2.2  skrll 
   2039  1.31.2.2  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   2040  1.31.2.2  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   2041  1.31.2.2  skrll 
   2042  1.31.2.2  skrll 	if (newp != NULL || namelen != 2)
   2043  1.31.2.2  skrll 		return (EINVAL);
   2044  1.31.2.2  skrll 	pid = name[0];
   2045  1.31.2.2  skrll 	type = name[1];
   2046  1.31.2.2  skrll 
   2047  1.31.2.2  skrll 	switch (type) {
   2048  1.31.2.2  skrll 	case KERN_PROC_ARGV:
   2049  1.31.2.2  skrll 	case KERN_PROC_NARGV:
   2050  1.31.2.2  skrll 	case KERN_PROC_ENV:
   2051  1.31.2.2  skrll 	case KERN_PROC_NENV:
   2052  1.31.2.2  skrll 		/* ok */
   2053  1.31.2.2  skrll 		break;
   2054  1.31.2.2  skrll 	default:
   2055  1.31.2.2  skrll 		return (EINVAL);
   2056  1.31.2.2  skrll 	}
   2057  1.31.2.2  skrll 
   2058  1.31.2.2  skrll 	/* check pid */
   2059  1.31.2.2  skrll 	if ((p = pfind(pid)) == NULL)
   2060  1.31.2.2  skrll 		return (EINVAL);
   2061  1.31.2.2  skrll 
   2062  1.31.2.2  skrll 	/* only root or same user change look at the environment */
   2063  1.31.2.2  skrll 	if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) {
   2064  1.31.2.2  skrll 		if (up->p_ucred->cr_uid != 0) {
   2065  1.31.2.2  skrll 			if (up->p_cred->p_ruid != p->p_cred->p_ruid ||
   2066  1.31.2.2  skrll 			    up->p_cred->p_ruid != p->p_cred->p_svuid)
   2067  1.31.2.2  skrll 				return (EPERM);
   2068  1.31.2.2  skrll 		}
   2069  1.31.2.2  skrll 	}
   2070  1.31.2.2  skrll 
   2071  1.31.2.2  skrll 	if (oldp == NULL) {
   2072  1.31.2.2  skrll 		if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV)
   2073  1.31.2.2  skrll 			*oldlenp = sizeof (int);
   2074  1.31.2.2  skrll 		else
   2075  1.31.2.2  skrll 			*oldlenp = ARG_MAX;	/* XXX XXX XXX */
   2076  1.31.2.2  skrll 		return (0);
   2077  1.31.2.2  skrll 	}
   2078  1.31.2.2  skrll 
   2079  1.31.2.2  skrll 	/*
   2080  1.31.2.2  skrll 	 * Zombies don't have a stack, so we can't read their psstrings.
   2081  1.31.2.2  skrll 	 * System processes also don't have a user stack.
   2082  1.31.2.2  skrll 	 */
   2083  1.31.2.2  skrll 	if (P_ZOMBIE(p) || (p->p_flag & P_SYSTEM) != 0)
   2084  1.31.2.2  skrll 		return (EINVAL);
   2085  1.31.2.2  skrll 
   2086  1.31.2.2  skrll 	/*
   2087  1.31.2.2  skrll 	 * Lock the process down in memory.
   2088  1.31.2.2  skrll 	 */
   2089  1.31.2.2  skrll 	/* XXXCDC: how should locking work here? */
   2090  1.31.2.2  skrll 	if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1))
   2091  1.31.2.2  skrll 		return (EFAULT);
   2092  1.31.2.2  skrll 
   2093  1.31.2.2  skrll 	p->p_vmspace->vm_refcnt++;	/* XXX */
   2094  1.31.2.2  skrll 
   2095  1.31.2.2  skrll 	/*
   2096  1.31.2.2  skrll 	 * Allocate a temporary buffer to hold the arguments.
   2097  1.31.2.2  skrll 	 */
   2098  1.31.2.2  skrll 	arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK);
   2099  1.31.2.2  skrll 
   2100  1.31.2.2  skrll 	/*
   2101  1.31.2.2  skrll 	 * Read in the ps_strings structure.
   2102  1.31.2.2  skrll 	 */
   2103  1.31.2.2  skrll 	aiov.iov_base = &pss;
   2104  1.31.2.2  skrll 	aiov.iov_len = sizeof(pss);
   2105  1.31.2.2  skrll 	auio.uio_iov = &aiov;
   2106  1.31.2.2  skrll 	auio.uio_iovcnt = 1;
   2107  1.31.2.2  skrll 	auio.uio_offset = (vaddr_t)p->p_psstr;
   2108  1.31.2.2  skrll 	auio.uio_resid = sizeof(pss);
   2109  1.31.2.2  skrll 	auio.uio_segflg = UIO_SYSSPACE;
   2110  1.31.2.2  skrll 	auio.uio_rw = UIO_READ;
   2111  1.31.2.2  skrll 	auio.uio_lwp = NULL;
   2112  1.31.2.2  skrll 	error = uvm_io(&p->p_vmspace->vm_map, &auio);
   2113  1.31.2.2  skrll 	if (error)
   2114  1.31.2.2  skrll 		goto done;
   2115  1.31.2.2  skrll 
   2116  1.31.2.2  skrll 	if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV)
   2117  1.31.2.2  skrll 		memcpy(&nargv, (char *)&pss + p->p_psnargv, sizeof(nargv));
   2118  1.31.2.2  skrll 	else
   2119  1.31.2.2  skrll 		memcpy(&nargv, (char *)&pss + p->p_psnenv, sizeof(nargv));
   2120  1.31.2.2  skrll 	if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) {
   2121  1.31.2.2  skrll 		error = copyout(&nargv, oldp, sizeof(nargv));
   2122  1.31.2.2  skrll 		*oldlenp = sizeof(nargv);
   2123  1.31.2.2  skrll 		goto done;
   2124  1.31.2.2  skrll 	}
   2125  1.31.2.2  skrll 	/*
   2126  1.31.2.2  skrll 	 * Now read the address of the argument vector.
   2127  1.31.2.2  skrll 	 */
   2128  1.31.2.2  skrll 	switch (type) {
   2129  1.31.2.2  skrll 	case KERN_PROC_ARGV:
   2130  1.31.2.2  skrll 		/* XXX compat32 stuff here */
   2131  1.31.2.2  skrll 		memcpy(&tmp, (char *)&pss + p->p_psargv, sizeof(tmp));
   2132  1.31.2.2  skrll 		break;
   2133  1.31.2.2  skrll 	case KERN_PROC_ENV:
   2134  1.31.2.2  skrll 		memcpy(&tmp, (char *)&pss + p->p_psenv, sizeof(tmp));
   2135  1.31.2.2  skrll 		break;
   2136  1.31.2.2  skrll 	default:
   2137  1.31.2.2  skrll 		return (EINVAL);
   2138  1.31.2.2  skrll 	}
   2139  1.31.2.2  skrll 	auio.uio_offset = (off_t)(unsigned long)tmp;
   2140  1.31.2.2  skrll 	aiov.iov_base = &argv;
   2141  1.31.2.2  skrll 	aiov.iov_len = sizeof(argv);
   2142  1.31.2.2  skrll 	auio.uio_iov = &aiov;
   2143  1.31.2.2  skrll 	auio.uio_iovcnt = 1;
   2144  1.31.2.2  skrll 	auio.uio_resid = sizeof(argv);
   2145  1.31.2.2  skrll 	auio.uio_segflg = UIO_SYSSPACE;
   2146  1.31.2.2  skrll 	auio.uio_rw = UIO_READ;
   2147  1.31.2.2  skrll 	auio.uio_lwp = NULL;
   2148  1.31.2.2  skrll 	error = uvm_io(&p->p_vmspace->vm_map, &auio);
   2149  1.31.2.2  skrll 	if (error)
   2150  1.31.2.2  skrll 		goto done;
   2151  1.31.2.2  skrll 
   2152  1.31.2.2  skrll 	/*
   2153  1.31.2.2  skrll 	 * Now copy in the actual argument vector, one page at a time,
   2154  1.31.2.2  skrll 	 * since we don't know how long the vector is (though, we do
   2155  1.31.2.2  skrll 	 * know how many NUL-terminated strings are in the vector).
   2156  1.31.2.2  skrll 	 */
   2157  1.31.2.2  skrll 	len = 0;
   2158  1.31.2.2  skrll 	upper_bound = *oldlenp;
   2159  1.31.2.2  skrll 	for (; nargv != 0 && len < upper_bound; len += xlen) {
   2160  1.31.2.2  skrll 		aiov.iov_base = arg;
   2161  1.31.2.2  skrll 		aiov.iov_len = PAGE_SIZE;
   2162  1.31.2.2  skrll 		auio.uio_iov = &aiov;
   2163  1.31.2.2  skrll 		auio.uio_iovcnt = 1;
   2164  1.31.2.2  skrll 		auio.uio_offset = argv + len;
   2165  1.31.2.2  skrll 		xlen = PAGE_SIZE - ((argv + len) & PAGE_MASK);
   2166  1.31.2.2  skrll 		auio.uio_resid = xlen;
   2167  1.31.2.2  skrll 		auio.uio_segflg = UIO_SYSSPACE;
   2168  1.31.2.2  skrll 		auio.uio_rw = UIO_READ;
   2169  1.31.2.2  skrll 		auio.uio_lwp = NULL;
   2170  1.31.2.2  skrll 		error = uvm_io(&p->p_vmspace->vm_map, &auio);
   2171  1.31.2.2  skrll 		if (error)
   2172  1.31.2.2  skrll 			goto done;
   2173  1.31.2.2  skrll 
   2174  1.31.2.2  skrll 		for (i = 0; i < xlen && nargv != 0; i++) {
   2175  1.31.2.2  skrll 			if (arg[i] == '\0')
   2176  1.31.2.2  skrll 				nargv--;	/* one full string */
   2177  1.31.2.2  skrll 		}
   2178  1.31.2.2  skrll 
   2179  1.31.2.2  skrll 		/*
   2180  1.31.2.2  skrll 		 * Make sure we don't copyout past the end of the user's
   2181  1.31.2.2  skrll 		 * buffer.
   2182  1.31.2.2  skrll 		 */
   2183  1.31.2.2  skrll 		if (len + i > upper_bound)
   2184  1.31.2.2  skrll 			i = upper_bound - len;
   2185  1.31.2.2  skrll 
   2186  1.31.2.2  skrll 		error = copyout(arg, (char *)oldp + len, i);
   2187  1.31.2.2  skrll 		if (error)
   2188  1.31.2.2  skrll 			break;
   2189  1.31.2.2  skrll 
   2190  1.31.2.2  skrll 		if (nargv == 0) {
   2191  1.31.2.2  skrll 			len += i;
   2192  1.31.2.2  skrll 			break;
   2193  1.31.2.2  skrll 		}
   2194  1.31.2.2  skrll 	}
   2195  1.31.2.2  skrll 	*oldlenp = len;
   2196  1.31.2.2  skrll 
   2197  1.31.2.2  skrll done:
   2198  1.31.2.2  skrll 	uvmspace_free(p->p_vmspace);
   2199  1.31.2.2  skrll 
   2200  1.31.2.2  skrll 	free(arg, M_TEMP);
   2201  1.31.2.2  skrll 	return (error);
   2202  1.31.2.2  skrll }
   2203  1.31.2.2  skrll 
   2204  1.31.2.2  skrll /*
   2205  1.31.2.2  skrll  * sysctl helper routine for hw.usermem and hw.usermem64.  values are
   2206  1.31.2.2  skrll  * calculate on the fly taking into account integer overflow and the
   2207  1.31.2.2  skrll  * current wired count.
   2208  1.31.2.2  skrll  */
   2209  1.31.2.2  skrll static int
   2210  1.31.2.2  skrll sysctl_hw_usermem(SYSCTLFN_ARGS)
   2211  1.31.2.2  skrll {
   2212  1.31.2.2  skrll 	u_int ui;
   2213  1.31.2.2  skrll 	u_quad_t uq;
   2214  1.31.2.2  skrll 	struct sysctlnode node;
   2215  1.31.2.2  skrll 
   2216  1.31.2.2  skrll 	node = *rnode;
   2217  1.31.2.2  skrll 	switch (rnode->sysctl_num) {
   2218  1.31.2.2  skrll 	    case HW_USERMEM:
   2219  1.31.2.2  skrll 		if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE))
   2220  1.31.2.2  skrll 			ui = UINT_MAX;
   2221  1.31.2.2  skrll 		else
   2222  1.31.2.2  skrll 			ui *= PAGE_SIZE;
   2223  1.31.2.2  skrll 		node.sysctl_data = &ui;
   2224  1.31.2.2  skrll 		break;
   2225  1.31.2.2  skrll 	case HW_USERMEM64:
   2226  1.31.2.2  skrll 		uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE;
   2227  1.31.2.2  skrll 		node.sysctl_data = &uq;
   2228  1.31.2.2  skrll 		break;
   2229  1.31.2.2  skrll 	default:
   2230  1.31.2.2  skrll 		return (EINVAL);
   2231  1.31.2.2  skrll 	}
   2232  1.31.2.2  skrll 
   2233  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2234  1.31.2.2  skrll }
   2235  1.31.2.2  skrll 
   2236  1.31.2.2  skrll /*
   2237  1.31.2.2  skrll  * sysctl helper routine for kern.cnmagic node.  pulls the old value
   2238  1.31.2.2  skrll  * out, encoded, and stuffs the new value in for decoding.
   2239  1.31.2.2  skrll  */
   2240  1.31.2.2  skrll static int
   2241  1.31.2.2  skrll sysctl_hw_cnmagic(SYSCTLFN_ARGS)
   2242  1.31.2.2  skrll {
   2243  1.31.2.2  skrll 	char magic[CNS_LEN];
   2244  1.31.2.2  skrll 	int error;
   2245  1.31.2.2  skrll 	struct sysctlnode node;
   2246  1.31.2.2  skrll 
   2247  1.31.2.2  skrll 	if (oldp)
   2248  1.31.2.2  skrll 		cn_get_magic(magic, CNS_LEN);
   2249  1.31.2.2  skrll 	node = *rnode;
   2250  1.31.2.2  skrll 	node.sysctl_data = &magic[0];
   2251  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   2252  1.31.2.2  skrll 	if (error || newp == NULL)
   2253  1.31.2.2  skrll 		return (error);
   2254  1.31.2.2  skrll 
   2255  1.31.2.2  skrll 	return (cn_set_magic(magic));
   2256  1.31.2.2  skrll }
   2257  1.31.2.2  skrll 
   2258  1.31.2.2  skrll static int
   2259  1.31.2.2  skrll sysctl_hw_ncpu(SYSCTLFN_ARGS)
   2260  1.31.2.2  skrll {
   2261  1.31.2.2  skrll 	int ncpu;
   2262  1.31.2.2  skrll 	struct sysctlnode node;
   2263  1.31.2.2  skrll 
   2264  1.31.2.2  skrll 	ncpu = sysctl_ncpus();
   2265  1.31.2.2  skrll 	node = *rnode;
   2266  1.31.2.2  skrll 	node.sysctl_data = &ncpu;
   2267  1.31.2.2  skrll 
   2268  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2269  1.31.2.2  skrll }
   2270  1.31.2.2  skrll 
   2271  1.31.2.2  skrll 
   2272  1.31.2.2  skrll /*
   2273  1.31.2.2  skrll  * ********************************************************************
   2274  1.31.2.2  skrll  * section 3: public helper routines that are used for more than one
   2275  1.31.2.2  skrll  * node
   2276  1.31.2.2  skrll  * ********************************************************************
   2277  1.31.2.2  skrll  */
   2278  1.31.2.2  skrll 
   2279  1.31.2.2  skrll /*
   2280  1.31.2.2  skrll  * sysctl helper routine for the kern.root_device node and some ports'
   2281  1.31.2.2  skrll  * machdep.root_device nodes.
   2282  1.31.2.2  skrll  */
   2283  1.31.2.2  skrll int
   2284  1.31.2.2  skrll sysctl_root_device(SYSCTLFN_ARGS)
   2285  1.31.2.2  skrll {
   2286  1.31.2.2  skrll 	struct sysctlnode node;
   2287  1.31.2.2  skrll 
   2288  1.31.2.2  skrll 	node = *rnode;
   2289  1.31.2.2  skrll 	node.sysctl_data = root_device->dv_xname;
   2290  1.31.2.2  skrll 	node.sysctl_size = strlen(root_device->dv_xname) + 1;
   2291  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2292  1.31.2.2  skrll }
   2293  1.31.2.2  skrll 
   2294  1.31.2.2  skrll /*
   2295  1.31.2.2  skrll  * sysctl helper routine for kern.consdev, dependent on the current
   2296  1.31.2.2  skrll  * state of the console.  also used for machdep.console_device on some
   2297  1.31.2.2  skrll  * ports.
   2298  1.31.2.2  skrll  */
   2299  1.31.2.2  skrll int
   2300  1.31.2.2  skrll sysctl_consdev(SYSCTLFN_ARGS)
   2301  1.31.2.2  skrll {
   2302  1.31.2.2  skrll 	dev_t consdev;
   2303  1.31.2.2  skrll 	struct sysctlnode node;
   2304  1.31.2.2  skrll 
   2305  1.31.2.2  skrll 	if (cn_tab != NULL)
   2306  1.31.2.2  skrll 		consdev = cn_tab->cn_dev;
   2307  1.31.2.2  skrll 	else
   2308  1.31.2.2  skrll 		consdev = NODEV;
   2309  1.31.2.2  skrll 	node = *rnode;
   2310  1.31.2.2  skrll 	node.sysctl_data = &consdev;
   2311  1.31.2.2  skrll 	node.sysctl_size = sizeof(consdev);
   2312  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2313  1.31.2.2  skrll }
   2314  1.31.2.2  skrll 
   2315  1.31.2.2  skrll /*
   2316  1.31.2.2  skrll  * ********************************************************************
   2317  1.31.2.2  skrll  * section 4: support for some helpers
   2318  1.31.2.2  skrll  * ********************************************************************
   2319  1.31.2.2  skrll  */
   2320  1.31.2.2  skrll 
   2321  1.31.2.2  skrll /*
   2322  1.31.2.2  skrll  * Fill in a kinfo_proc2 structure for the specified process.
   2323  1.31.2.2  skrll  */
   2324  1.31.2.2  skrll static void
   2325  1.31.2.2  skrll fill_kproc2(struct proc *p, struct kinfo_proc2 *ki)
   2326  1.31.2.2  skrll {
   2327  1.31.2.2  skrll 	struct tty *tp;
   2328  1.31.2.2  skrll 	struct lwp *l;
   2329  1.31.2.2  skrll 	struct timeval ut, st;
   2330  1.31.2.2  skrll 
   2331  1.31.2.2  skrll 	memset(ki, 0, sizeof(*ki));
   2332  1.31.2.2  skrll 
   2333  1.31.2.2  skrll 	ki->p_paddr = PTRTOUINT64(p);
   2334  1.31.2.2  skrll 	ki->p_fd = PTRTOUINT64(p->p_fd);
   2335  1.31.2.2  skrll 	ki->p_cwdi = PTRTOUINT64(p->p_cwdi);
   2336  1.31.2.2  skrll 	ki->p_stats = PTRTOUINT64(p->p_stats);
   2337  1.31.2.2  skrll 	ki->p_limit = PTRTOUINT64(p->p_limit);
   2338  1.31.2.2  skrll 	ki->p_vmspace = PTRTOUINT64(p->p_vmspace);
   2339  1.31.2.2  skrll 	ki->p_sigacts = PTRTOUINT64(p->p_sigacts);
   2340  1.31.2.2  skrll 	ki->p_sess = PTRTOUINT64(p->p_session);
   2341  1.31.2.2  skrll 	ki->p_tsess = 0;	/* may be changed if controlling tty below */
   2342  1.31.2.2  skrll 	ki->p_ru = PTRTOUINT64(p->p_ru);
   2343  1.31.2.2  skrll 
   2344  1.31.2.2  skrll 	ki->p_eflag = 0;
   2345  1.31.2.2  skrll 	ki->p_exitsig = p->p_exitsig;
   2346  1.31.2.2  skrll 	ki->p_flag = p->p_flag;
   2347  1.31.2.2  skrll 
   2348  1.31.2.2  skrll 	ki->p_pid = p->p_pid;
   2349  1.31.2.2  skrll 	if (p->p_pptr)
   2350  1.31.2.2  skrll 		ki->p_ppid = p->p_pptr->p_pid;
   2351  1.31.2.2  skrll 	else
   2352  1.31.2.2  skrll 		ki->p_ppid = 0;
   2353  1.31.2.2  skrll 	ki->p_sid = p->p_session->s_sid;
   2354  1.31.2.2  skrll 	ki->p__pgid = p->p_pgrp->pg_id;
   2355  1.31.2.2  skrll 
   2356  1.31.2.2  skrll 	ki->p_tpgid = NO_PGID;	/* may be changed if controlling tty below */
   2357  1.31.2.2  skrll 
   2358  1.31.2.2  skrll 	ki->p_uid = p->p_ucred->cr_uid;
   2359  1.31.2.2  skrll 	ki->p_ruid = p->p_cred->p_ruid;
   2360  1.31.2.2  skrll 	ki->p_gid = p->p_ucred->cr_gid;
   2361  1.31.2.2  skrll 	ki->p_rgid = p->p_cred->p_rgid;
   2362  1.31.2.2  skrll 	ki->p_svuid = p->p_cred->p_svuid;
   2363  1.31.2.2  skrll 	ki->p_svgid = p->p_cred->p_svgid;
   2364  1.31.2.2  skrll 
   2365  1.31.2.2  skrll 	memcpy(ki->p_groups, p->p_cred->pc_ucred->cr_groups,
   2366  1.31.2.2  skrll 	    min(sizeof(ki->p_groups), sizeof(p->p_cred->pc_ucred->cr_groups)));
   2367  1.31.2.2  skrll 	ki->p_ngroups = p->p_cred->pc_ucred->cr_ngroups;
   2368  1.31.2.2  skrll 
   2369  1.31.2.2  skrll 	ki->p_jobc = p->p_pgrp->pg_jobc;
   2370  1.31.2.2  skrll 	if ((p->p_flag & P_CONTROLT) && (tp = p->p_session->s_ttyp)) {
   2371  1.31.2.2  skrll 		ki->p_tdev = tp->t_dev;
   2372  1.31.2.2  skrll 		ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID;
   2373  1.31.2.2  skrll 		ki->p_tsess = PTRTOUINT64(tp->t_session);
   2374  1.31.2.2  skrll 	} else {
   2375  1.31.2.2  skrll 		ki->p_tdev = NODEV;
   2376  1.31.2.2  skrll 	}
   2377  1.31.2.2  skrll 
   2378  1.31.2.2  skrll 	ki->p_estcpu = p->p_estcpu;
   2379  1.31.2.2  skrll 	ki->p_rtime_sec = p->p_rtime.tv_sec;
   2380  1.31.2.2  skrll 	ki->p_rtime_usec = p->p_rtime.tv_usec;
   2381  1.31.2.2  skrll 	ki->p_cpticks = p->p_cpticks;
   2382  1.31.2.2  skrll 	ki->p_pctcpu = p->p_pctcpu;
   2383  1.31.2.2  skrll 
   2384  1.31.2.2  skrll 	ki->p_uticks = p->p_uticks;
   2385  1.31.2.2  skrll 	ki->p_sticks = p->p_sticks;
   2386  1.31.2.2  skrll 	ki->p_iticks = p->p_iticks;
   2387  1.31.2.2  skrll 
   2388  1.31.2.2  skrll 	ki->p_tracep = PTRTOUINT64(p->p_tracep);
   2389  1.31.2.2  skrll 	ki->p_traceflag = p->p_traceflag;
   2390  1.31.2.2  skrll 
   2391  1.31.2.2  skrll 
   2392  1.31.2.2  skrll 	memcpy(&ki->p_siglist, &p->p_sigctx.ps_siglist, sizeof(ki_sigset_t));
   2393  1.31.2.2  skrll 	memcpy(&ki->p_sigmask, &p->p_sigctx.ps_sigmask, sizeof(ki_sigset_t));
   2394  1.31.2.2  skrll 	memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t));
   2395  1.31.2.2  skrll 	memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t));
   2396  1.31.2.2  skrll 
   2397  1.31.2.2  skrll 	ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */
   2398  1.31.2.2  skrll 	ki->p_realstat = p->p_stat;
   2399  1.31.2.2  skrll 	ki->p_nice = p->p_nice;
   2400  1.31.2.2  skrll 
   2401  1.31.2.2  skrll 	ki->p_xstat = p->p_xstat;
   2402  1.31.2.2  skrll 	ki->p_acflag = p->p_acflag;
   2403  1.31.2.2  skrll 
   2404  1.31.2.2  skrll 	strncpy(ki->p_comm, p->p_comm,
   2405  1.31.2.2  skrll 	    min(sizeof(ki->p_comm), sizeof(p->p_comm)));
   2406  1.31.2.2  skrll 
   2407  1.31.2.2  skrll 	strncpy(ki->p_login, p->p_session->s_login,
   2408  1.31.2.2  skrll 	    min(sizeof ki->p_login - 1, sizeof p->p_session->s_login));
   2409  1.31.2.2  skrll 
   2410  1.31.2.2  skrll 	ki->p_nlwps = p->p_nlwps;
   2411  1.31.2.2  skrll 	ki->p_nrlwps = p->p_nrlwps;
   2412  1.31.2.2  skrll 	ki->p_realflag = p->p_flag;
   2413  1.31.2.2  skrll 
   2414  1.31.2.2  skrll 	if (p->p_stat == SIDL || P_ZOMBIE(p)) {
   2415  1.31.2.2  skrll 		ki->p_vm_rssize = 0;
   2416  1.31.2.2  skrll 		ki->p_vm_tsize = 0;
   2417  1.31.2.2  skrll 		ki->p_vm_dsize = 0;
   2418  1.31.2.2  skrll 		ki->p_vm_ssize = 0;
   2419  1.31.2.2  skrll 		l = NULL;
   2420  1.31.2.2  skrll 	} else {
   2421  1.31.2.2  skrll 		struct vmspace *vm = p->p_vmspace;
   2422  1.31.2.2  skrll 
   2423  1.31.2.2  skrll 		ki->p_vm_rssize = vm_resident_count(vm);
   2424  1.31.2.2  skrll 		ki->p_vm_tsize = vm->vm_tsize;
   2425  1.31.2.2  skrll 		ki->p_vm_dsize = vm->vm_dsize;
   2426  1.31.2.2  skrll 		ki->p_vm_ssize = vm->vm_ssize;
   2427  1.31.2.2  skrll 
   2428  1.31.2.2  skrll 		/* Pick a "representative" LWP */
   2429  1.31.2.2  skrll 		l = proc_representative_lwp(p);
   2430  1.31.2.2  skrll 		ki->p_forw = PTRTOUINT64(l->l_forw);
   2431  1.31.2.2  skrll 		ki->p_back = PTRTOUINT64(l->l_back);
   2432  1.31.2.2  skrll 		ki->p_addr = PTRTOUINT64(l->l_addr);
   2433  1.31.2.2  skrll 		ki->p_stat = l->l_stat;
   2434  1.31.2.2  skrll 		ki->p_flag |= l->l_flag;
   2435  1.31.2.2  skrll 		ki->p_swtime = l->l_swtime;
   2436  1.31.2.2  skrll 		ki->p_slptime = l->l_slptime;
   2437  1.31.2.2  skrll 		if (l->l_stat == LSONPROC) {
   2438  1.31.2.2  skrll 			KDASSERT(l->l_cpu != NULL);
   2439  1.31.2.2  skrll 			ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags;
   2440  1.31.2.2  skrll 		} else
   2441  1.31.2.2  skrll 			ki->p_schedflags = 0;
   2442  1.31.2.2  skrll 		ki->p_holdcnt = l->l_holdcnt;
   2443  1.31.2.2  skrll 		ki->p_priority = l->l_priority;
   2444  1.31.2.2  skrll 		ki->p_usrpri = l->l_usrpri;
   2445  1.31.2.2  skrll 		if (l->l_wmesg)
   2446  1.31.2.2  skrll 			strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg));
   2447  1.31.2.2  skrll 		ki->p_wchan = PTRTOUINT64(l->l_wchan);
   2448  1.31.2.2  skrll 
   2449  1.31.2.2  skrll 	}
   2450  1.31.2.2  skrll 
   2451  1.31.2.2  skrll 	if (p->p_session->s_ttyvp)
   2452  1.31.2.2  skrll 		ki->p_eflag |= EPROC_CTTY;
   2453  1.31.2.2  skrll 	if (SESS_LEADER(p))
   2454  1.31.2.2  skrll 		ki->p_eflag |= EPROC_SLEADER;
   2455  1.31.2.2  skrll 
   2456  1.31.2.2  skrll 	/* XXX Is this double check necessary? */
   2457  1.31.2.2  skrll 	if (P_ZOMBIE(p)) {
   2458  1.31.2.2  skrll 		ki->p_uvalid = 0;
   2459  1.31.2.2  skrll 	} else {
   2460  1.31.2.2  skrll 		ki->p_uvalid = 1;
   2461  1.31.2.2  skrll 
   2462  1.31.2.2  skrll 		ki->p_ustart_sec = p->p_stats->p_start.tv_sec;
   2463  1.31.2.2  skrll 		ki->p_ustart_usec = p->p_stats->p_start.tv_usec;
   2464  1.31.2.2  skrll 
   2465  1.31.2.2  skrll 		calcru(p, &ut, &st, 0);
   2466  1.31.2.2  skrll 		ki->p_uutime_sec = ut.tv_sec;
   2467  1.31.2.2  skrll 		ki->p_uutime_usec = ut.tv_usec;
   2468  1.31.2.2  skrll 		ki->p_ustime_sec = st.tv_sec;
   2469  1.31.2.2  skrll 		ki->p_ustime_usec = st.tv_usec;
   2470  1.31.2.2  skrll 
   2471  1.31.2.2  skrll 		ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss;
   2472  1.31.2.2  skrll 		ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss;
   2473  1.31.2.2  skrll 		ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss;
   2474  1.31.2.2  skrll 		ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss;
   2475  1.31.2.2  skrll 		ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt;
   2476  1.31.2.2  skrll 		ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt;
   2477  1.31.2.2  skrll 		ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap;
   2478  1.31.2.2  skrll 		ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock;
   2479  1.31.2.2  skrll 		ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock;
   2480  1.31.2.2  skrll 		ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd;
   2481  1.31.2.2  skrll 		ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv;
   2482  1.31.2.2  skrll 		ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals;
   2483  1.31.2.2  skrll 		ki->p_uru_nvcsw = p->p_stats->p_ru.ru_nvcsw;
   2484  1.31.2.2  skrll 		ki->p_uru_nivcsw = p->p_stats->p_ru.ru_nivcsw;
   2485  1.31.2.2  skrll 
   2486  1.31.2.2  skrll 		timeradd(&p->p_stats->p_cru.ru_utime,
   2487  1.31.2.2  skrll 			 &p->p_stats->p_cru.ru_stime, &ut);
   2488  1.31.2.2  skrll 		ki->p_uctime_sec = ut.tv_sec;
   2489  1.31.2.2  skrll 		ki->p_uctime_usec = ut.tv_usec;
   2490  1.31.2.2  skrll 	}
   2491  1.31.2.2  skrll #ifdef MULTIPROCESSOR
   2492  1.31.2.2  skrll 	if (l && l->l_cpu != NULL)
   2493  1.31.2.2  skrll 		ki->p_cpuid = l->l_cpu->ci_cpuid;
   2494  1.31.2.2  skrll 	else
   2495  1.31.2.2  skrll #endif
   2496  1.31.2.2  skrll 		ki->p_cpuid = KI_NOCPU;
   2497  1.31.2.2  skrll }
   2498  1.31.2.2  skrll 
   2499  1.31.2.2  skrll /*
   2500  1.31.2.2  skrll  * Fill in a kinfo_lwp structure for the specified lwp.
   2501  1.31.2.2  skrll  */
   2502  1.31.2.2  skrll static void
   2503  1.31.2.2  skrll fill_lwp(struct lwp *l, struct kinfo_lwp *kl)
   2504  1.31.2.2  skrll {
   2505  1.31.2.2  skrll 
   2506  1.31.2.2  skrll 	kl->l_forw = PTRTOUINT64(l->l_forw);
   2507  1.31.2.2  skrll 	kl->l_back = PTRTOUINT64(l->l_back);
   2508  1.31.2.2  skrll 	kl->l_laddr = PTRTOUINT64(l);
   2509  1.31.2.2  skrll 	kl->l_addr = PTRTOUINT64(l->l_addr);
   2510  1.31.2.2  skrll 	kl->l_stat = l->l_stat;
   2511  1.31.2.2  skrll 	kl->l_lid = l->l_lid;
   2512  1.31.2.2  skrll 	kl->l_flag = l->l_flag;
   2513  1.31.2.2  skrll 
   2514  1.31.2.2  skrll 	kl->l_swtime = l->l_swtime;
   2515  1.31.2.2  skrll 	kl->l_slptime = l->l_slptime;
   2516  1.31.2.2  skrll 	if (l->l_stat == LSONPROC) {
   2517  1.31.2.2  skrll 		KDASSERT(l->l_cpu != NULL);
   2518  1.31.2.2  skrll 		kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags;
   2519  1.31.2.2  skrll 	} else
   2520  1.31.2.2  skrll 		kl->l_schedflags = 0;
   2521  1.31.2.2  skrll 	kl->l_holdcnt = l->l_holdcnt;
   2522  1.31.2.2  skrll 	kl->l_priority = l->l_priority;
   2523  1.31.2.2  skrll 	kl->l_usrpri = l->l_usrpri;
   2524  1.31.2.2  skrll 	if (l->l_wmesg)
   2525  1.31.2.2  skrll 		strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg));
   2526  1.31.2.2  skrll 	kl->l_wchan = PTRTOUINT64(l->l_wchan);
   2527  1.31.2.2  skrll #ifdef MULTIPROCESSOR
   2528  1.31.2.2  skrll 	if (l->l_cpu != NULL)
   2529  1.31.2.2  skrll 		kl->l_cpuid = l->l_cpu->ci_cpuid;
   2530  1.31.2.2  skrll 	else
   2531  1.31.2.2  skrll #endif
   2532  1.31.2.2  skrll 		kl->l_cpuid = KI_NOCPU;
   2533  1.31.2.2  skrll }
   2534  1.31.2.2  skrll 
   2535  1.31.2.2  skrll /*
   2536  1.31.2.2  skrll  * Fill in an eproc structure for the specified process.
   2537  1.31.2.2  skrll  */
   2538  1.31.2.2  skrll void
   2539  1.31.2.2  skrll fill_eproc(struct proc *p, struct eproc *ep)
   2540  1.31.2.2  skrll {
   2541  1.31.2.2  skrll 	struct tty *tp;
   2542  1.31.2.2  skrll 	struct lwp *l;
   2543  1.31.2.2  skrll 
   2544  1.31.2.2  skrll 	ep->e_paddr = p;
   2545  1.31.2.2  skrll 	ep->e_sess = p->p_session;
   2546  1.31.2.2  skrll 	ep->e_pcred = *p->p_cred;
   2547  1.31.2.2  skrll 	ep->e_ucred = *p->p_ucred;
   2548  1.31.2.2  skrll 	if (p->p_stat == SIDL || P_ZOMBIE(p)) {
   2549  1.31.2.2  skrll 		ep->e_vm.vm_rssize = 0;
   2550  1.31.2.2  skrll 		ep->e_vm.vm_tsize = 0;
   2551  1.31.2.2  skrll 		ep->e_vm.vm_dsize = 0;
   2552  1.31.2.2  skrll 		ep->e_vm.vm_ssize = 0;
   2553  1.31.2.2  skrll 		/* ep->e_vm.vm_pmap = XXX; */
   2554  1.31.2.2  skrll 	} else {
   2555  1.31.2.2  skrll 		struct vmspace *vm = p->p_vmspace;
   2556  1.31.2.2  skrll 
   2557  1.31.2.2  skrll 		ep->e_vm.vm_rssize = vm_resident_count(vm);
   2558  1.31.2.2  skrll 		ep->e_vm.vm_tsize = vm->vm_tsize;
   2559  1.31.2.2  skrll 		ep->e_vm.vm_dsize = vm->vm_dsize;
   2560  1.31.2.2  skrll 		ep->e_vm.vm_ssize = vm->vm_ssize;
   2561  1.31.2.2  skrll 
   2562  1.31.2.2  skrll 		/* Pick a "representative" LWP */
   2563  1.31.2.2  skrll 		l = proc_representative_lwp(p);
   2564  1.31.2.2  skrll 
   2565  1.31.2.2  skrll 		if (l->l_wmesg)
   2566  1.31.2.2  skrll 			strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN);
   2567  1.31.2.2  skrll 	}
   2568  1.31.2.2  skrll 	if (p->p_pptr)
   2569  1.31.2.2  skrll 		ep->e_ppid = p->p_pptr->p_pid;
   2570  1.31.2.2  skrll 	else
   2571  1.31.2.2  skrll 		ep->e_ppid = 0;
   2572  1.31.2.2  skrll 	ep->e_pgid = p->p_pgrp->pg_id;
   2573  1.31.2.2  skrll 	ep->e_sid = ep->e_sess->s_sid;
   2574  1.31.2.2  skrll 	ep->e_jobc = p->p_pgrp->pg_jobc;
   2575  1.31.2.2  skrll 	if ((p->p_flag & P_CONTROLT) &&
   2576  1.31.2.2  skrll 	    (tp = ep->e_sess->s_ttyp)) {
   2577  1.31.2.2  skrll 		ep->e_tdev = tp->t_dev;
   2578  1.31.2.2  skrll 		ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID;
   2579  1.31.2.2  skrll 		ep->e_tsess = tp->t_session;
   2580  1.31.2.2  skrll 	} else
   2581  1.31.2.2  skrll 		ep->e_tdev = NODEV;
   2582  1.31.2.2  skrll 
   2583  1.31.2.2  skrll 	ep->e_xsize = ep->e_xrssize = 0;
   2584  1.31.2.2  skrll 	ep->e_xccount = ep->e_xswrss = 0;
   2585  1.31.2.2  skrll 	ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0;
   2586  1.31.2.2  skrll 	if (SESS_LEADER(p))
   2587  1.31.2.2  skrll 		ep->e_flag |= EPROC_SLEADER;
   2588  1.31.2.2  skrll 	strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME);
   2589  1.31.2.2  skrll }
   2590