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init_sysctl.c revision 1.31.2.8
      1  1.31.2.8  skrll /*	$NetBSD: init_sysctl.c,v 1.31.2.8 2005/11/10 14:09:44 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  1.31.2.8  skrll __KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.31.2.8 2005/11/10 14:09:44 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  1.31.2.8  skrll #include "opt_verified_exec.h"
     46  1.31.2.2  skrll #include "pty.h"
     47  1.31.2.2  skrll #include "rnd.h"
     48  1.31.2.2  skrll 
     49  1.31.2.2  skrll #include <sys/types.h>
     50  1.31.2.2  skrll #include <sys/param.h>
     51  1.31.2.2  skrll #include <sys/sysctl.h>
     52  1.31.2.2  skrll #include <sys/errno.h>
     53  1.31.2.2  skrll #include <sys/systm.h>
     54  1.31.2.2  skrll #include <sys/kernel.h>
     55  1.31.2.2  skrll #include <sys/unistd.h>
     56  1.31.2.2  skrll #include <sys/disklabel.h>
     57  1.31.2.2  skrll #include <sys/rnd.h>
     58  1.31.2.2  skrll #include <sys/vnode.h>
     59  1.31.2.2  skrll #include <sys/mount.h>
     60  1.31.2.2  skrll #include <sys/namei.h>
     61  1.31.2.2  skrll #include <sys/msgbuf.h>
     62  1.31.2.2  skrll #include <dev/cons.h>
     63  1.31.2.2  skrll #include <sys/socketvar.h>
     64  1.31.2.2  skrll #include <sys/file.h>
     65  1.31.2.7  skrll #include <sys/filedesc.h>
     66  1.31.2.2  skrll #include <sys/tty.h>
     67  1.31.2.2  skrll #include <sys/malloc.h>
     68  1.31.2.2  skrll #include <sys/resource.h>
     69  1.31.2.2  skrll #include <sys/resourcevar.h>
     70  1.31.2.2  skrll #include <sys/exec.h>
     71  1.31.2.2  skrll #include <sys/conf.h>
     72  1.31.2.2  skrll #include <sys/device.h>
     73  1.31.2.8  skrll #ifdef VERIFIED_EXEC
     74  1.31.2.8  skrll #define	VERIEXEC_NEED_NODE
     75  1.31.2.8  skrll #include <sys/verified_exec.h>
     76  1.31.2.8  skrll #endif /* VERIFIED_EXEC */
     77  1.31.2.2  skrll 
     78  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
     79  1.31.2.2  skrll #include <sys/ipc.h>
     80  1.31.2.2  skrll #endif
     81  1.31.2.2  skrll #ifdef SYSVMSG
     82  1.31.2.2  skrll #include <sys/msg.h>
     83  1.31.2.2  skrll #endif
     84  1.31.2.2  skrll #ifdef SYSVSEM
     85  1.31.2.2  skrll #include <sys/sem.h>
     86  1.31.2.2  skrll #endif
     87  1.31.2.2  skrll #ifdef SYSVSHM
     88  1.31.2.2  skrll #include <sys/shm.h>
     89  1.31.2.2  skrll #endif
     90  1.31.2.2  skrll 
     91  1.31.2.2  skrll #include <machine/cpu.h>
     92  1.31.2.2  skrll 
     93  1.31.2.8  skrll /* XXX this should not be here */
     94  1.31.2.8  skrll int security_curtain = 0;
     95  1.31.2.8  skrll 
     96  1.31.2.2  skrll /*
     97  1.31.2.2  skrll  * try over estimating by 5 procs/lwps
     98  1.31.2.2  skrll  */
     99  1.31.2.2  skrll #define KERN_PROCSLOP	(5 * sizeof(struct kinfo_proc))
    100  1.31.2.2  skrll #define KERN_LWPSLOP	(5 * sizeof(struct kinfo_lwp))
    101  1.31.2.2  skrll 
    102  1.31.2.2  skrll #ifndef MULTIPROCESSOR
    103  1.31.2.2  skrll #define	sysctl_ncpus()	(1)
    104  1.31.2.2  skrll #else /* MULTIPROCESSOR */
    105  1.31.2.2  skrll #ifndef CPU_INFO_FOREACH
    106  1.31.2.2  skrll #define CPU_INFO_ITERATOR int
    107  1.31.2.2  skrll #define CPU_INFO_FOREACH(cii, ci) cii = 0, ci = curcpu(); ci != NULL; ci = NULL
    108  1.31.2.2  skrll #endif
    109  1.31.2.2  skrll static int
    110  1.31.2.2  skrll sysctl_ncpus(void)
    111  1.31.2.2  skrll {
    112  1.31.2.2  skrll 	struct cpu_info *ci;
    113  1.31.2.2  skrll 	CPU_INFO_ITERATOR cii;
    114  1.31.2.2  skrll 
    115  1.31.2.2  skrll 	int ncpus = 0;
    116  1.31.2.2  skrll 	for (CPU_INFO_FOREACH(cii, ci))
    117  1.31.2.2  skrll 		ncpus++;
    118  1.31.2.2  skrll 	return (ncpus);
    119  1.31.2.2  skrll }
    120  1.31.2.2  skrll #endif /* MULTIPROCESSOR */
    121  1.31.2.2  skrll 
    122  1.31.2.2  skrll static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO);
    123  1.31.2.2  skrll static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO);
    124  1.31.2.2  skrll static int sysctl_kern_maxproc(SYSCTLFN_PROTO);
    125  1.31.2.2  skrll static int sysctl_kern_securelevel(SYSCTLFN_PROTO);
    126  1.31.2.2  skrll static int sysctl_kern_hostid(SYSCTLFN_PROTO);
    127  1.31.2.2  skrll static int sysctl_setlen(SYSCTLFN_PROTO);
    128  1.31.2.2  skrll static int sysctl_kern_clockrate(SYSCTLFN_PROTO);
    129  1.31.2.2  skrll static int sysctl_kern_file(SYSCTLFN_PROTO);
    130  1.31.2.2  skrll static int sysctl_kern_autonice(SYSCTLFN_PROTO);
    131  1.31.2.2  skrll static int sysctl_msgbuf(SYSCTLFN_PROTO);
    132  1.31.2.2  skrll static int sysctl_kern_defcorename(SYSCTLFN_PROTO);
    133  1.31.2.2  skrll static int sysctl_kern_cptime(SYSCTLFN_PROTO);
    134  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
    135  1.31.2.2  skrll static int sysctl_kern_sysvipc(SYSCTLFN_PROTO);
    136  1.31.2.2  skrll #endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */
    137  1.31.2.2  skrll #if NPTY > 0
    138  1.31.2.2  skrll static int sysctl_kern_maxptys(SYSCTLFN_PROTO);
    139  1.31.2.2  skrll #endif /* NPTY > 0 */
    140  1.31.2.2  skrll static int sysctl_kern_sbmax(SYSCTLFN_PROTO);
    141  1.31.2.2  skrll static int sysctl_kern_urnd(SYSCTLFN_PROTO);
    142  1.31.2.2  skrll static int sysctl_kern_lwp(SYSCTLFN_PROTO);
    143  1.31.2.2  skrll static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO);
    144  1.31.2.2  skrll static int sysctl_kern_root_partition(SYSCTLFN_PROTO);
    145  1.31.2.2  skrll static int sysctl_kern_drivers(SYSCTLFN_PROTO);
    146  1.31.2.7  skrll static int sysctl_kern_file2(SYSCTLFN_PROTO);
    147  1.31.2.8  skrll #ifdef VERIFIED_EXEC
    148  1.31.2.8  skrll static int sysctl_kern_veriexec(SYSCTLFN_PROTO);
    149  1.31.2.8  skrll #endif
    150  1.31.2.8  skrll static int sysctl_kern_cpid(SYSCTLFN_PROTO);
    151  1.31.2.2  skrll static int sysctl_doeproc(SYSCTLFN_PROTO);
    152  1.31.2.2  skrll static int sysctl_kern_proc_args(SYSCTLFN_PROTO);
    153  1.31.2.2  skrll static int sysctl_hw_usermem(SYSCTLFN_PROTO);
    154  1.31.2.2  skrll static int sysctl_hw_cnmagic(SYSCTLFN_PROTO);
    155  1.31.2.2  skrll static int sysctl_hw_ncpu(SYSCTLFN_PROTO);
    156  1.31.2.2  skrll 
    157  1.31.2.2  skrll static void fill_kproc2(struct proc *, struct kinfo_proc2 *);
    158  1.31.2.2  skrll static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl);
    159  1.31.2.7  skrll static void fill_file(struct kinfo_file *, const struct file *, struct proc *,
    160  1.31.2.7  skrll 		      int);
    161  1.31.2.2  skrll 
    162  1.31.2.2  skrll /*
    163  1.31.2.2  skrll  * ********************************************************************
    164  1.31.2.2  skrll  * section 1: setup routines
    165  1.31.2.2  skrll  * ********************************************************************
    166  1.31.2.2  skrll  * these functions are stuffed into a link set for sysctl setup
    167  1.31.2.2  skrll  * functions.  they're never called or referenced from anywhere else.
    168  1.31.2.2  skrll  * ********************************************************************
    169  1.31.2.2  skrll  */
    170  1.31.2.2  skrll 
    171  1.31.2.2  skrll /*
    172  1.31.2.2  skrll  * sets up the base nodes...
    173  1.31.2.2  skrll  */
    174  1.31.2.2  skrll SYSCTL_SETUP(sysctl_root_setup, "sysctl base setup")
    175  1.31.2.2  skrll {
    176  1.31.2.2  skrll 
    177  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    178  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    179  1.31.2.2  skrll 		       CTLTYPE_NODE, "kern",
    180  1.31.2.2  skrll 		       SYSCTL_DESCR("High kernel"),
    181  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    182  1.31.2.2  skrll 		       CTL_KERN, CTL_EOL);
    183  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    184  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    185  1.31.2.2  skrll 		       CTLTYPE_NODE, "vm",
    186  1.31.2.2  skrll 		       SYSCTL_DESCR("Virtual memory"),
    187  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    188  1.31.2.2  skrll 		       CTL_VM, CTL_EOL);
    189  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    190  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    191  1.31.2.2  skrll 		       CTLTYPE_NODE, "vfs",
    192  1.31.2.2  skrll 		       SYSCTL_DESCR("Filesystem"),
    193  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    194  1.31.2.2  skrll 		       CTL_VFS, CTL_EOL);
    195  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    196  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    197  1.31.2.2  skrll 		       CTLTYPE_NODE, "net",
    198  1.31.2.2  skrll 		       SYSCTL_DESCR("Networking"),
    199  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    200  1.31.2.2  skrll 		       CTL_NET, CTL_EOL);
    201  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    202  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    203  1.31.2.2  skrll 		       CTLTYPE_NODE, "debug",
    204  1.31.2.2  skrll 		       SYSCTL_DESCR("Debugging"),
    205  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    206  1.31.2.2  skrll 		       CTL_DEBUG, CTL_EOL);
    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, "hw",
    210  1.31.2.2  skrll 		       SYSCTL_DESCR("Generic CPU, I/O"),
    211  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    212  1.31.2.2  skrll 		       CTL_HW, 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, "machdep",
    216  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine dependent"),
    217  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    218  1.31.2.2  skrll 		       CTL_MACHDEP, CTL_EOL);
    219  1.31.2.2  skrll 	/*
    220  1.31.2.2  skrll 	 * this node is inserted so that the sysctl nodes in libc can
    221  1.31.2.2  skrll 	 * operate.
    222  1.31.2.2  skrll 	 */
    223  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    224  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    225  1.31.2.2  skrll 		       CTLTYPE_NODE, "user",
    226  1.31.2.2  skrll 		       SYSCTL_DESCR("User-level"),
    227  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    228  1.31.2.2  skrll 		       CTL_USER, CTL_EOL);
    229  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    230  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    231  1.31.2.2  skrll 		       CTLTYPE_NODE, "ddb",
    232  1.31.2.2  skrll 		       SYSCTL_DESCR("In-kernel debugger"),
    233  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    234  1.31.2.2  skrll 		       CTL_DDB, CTL_EOL);
    235  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    236  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    237  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc",
    238  1.31.2.2  skrll 		       SYSCTL_DESCR("Per-process"),
    239  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    240  1.31.2.2  skrll 		       CTL_PROC, CTL_EOL);
    241  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    242  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    243  1.31.2.2  skrll 		       CTLTYPE_NODE, "vendor",
    244  1.31.2.2  skrll 		       SYSCTL_DESCR("Vendor specific"),
    245  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    246  1.31.2.2  skrll 		       CTL_VENDOR, CTL_EOL);
    247  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    248  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    249  1.31.2.2  skrll 		       CTLTYPE_NODE, "emul",
    250  1.31.2.2  skrll 		       SYSCTL_DESCR("Emulation settings"),
    251  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    252  1.31.2.2  skrll 		       CTL_EMUL, CTL_EOL);
    253  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    254  1.31.2.8  skrll 		       CTLFLAG_PERMANENT,
    255  1.31.2.8  skrll 		       CTLTYPE_NODE, "security",
    256  1.31.2.8  skrll 		       SYSCTL_DESCR("Security"),
    257  1.31.2.8  skrll 		       NULL, 0, NULL, 0,
    258  1.31.2.8  skrll 		       CTL_SECURITY, CTL_EOL);
    259  1.31.2.2  skrll }
    260  1.31.2.2  skrll 
    261  1.31.2.2  skrll /*
    262  1.31.2.2  skrll  * this setup routine is a replacement for kern_sysctl()
    263  1.31.2.2  skrll  */
    264  1.31.2.2  skrll SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup")
    265  1.31.2.2  skrll {
    266  1.31.2.2  skrll 	extern int kern_logsigexit;	/* defined in kern/kern_sig.c */
    267  1.31.2.2  skrll 	extern fixpt_t ccpu;		/* defined in kern/kern_synch.c */
    268  1.31.2.2  skrll 	extern int dumponpanic;		/* defined in kern/subr_prf.c */
    269  1.31.2.2  skrll 
    270  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    271  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    272  1.31.2.2  skrll 		       CTLTYPE_NODE, "kern", NULL,
    273  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    274  1.31.2.2  skrll 		       CTL_KERN, CTL_EOL);
    275  1.31.2.2  skrll 
    276  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    277  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    278  1.31.2.2  skrll 		       CTLTYPE_STRING, "ostype",
    279  1.31.2.2  skrll 		       SYSCTL_DESCR("Operating system type"),
    280  1.31.2.2  skrll 		       NULL, 0, &ostype, 0,
    281  1.31.2.2  skrll 		       CTL_KERN, KERN_OSTYPE, CTL_EOL);
    282  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    283  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    284  1.31.2.2  skrll 		       CTLTYPE_STRING, "osrelease",
    285  1.31.2.2  skrll 		       SYSCTL_DESCR("Operating system release"),
    286  1.31.2.2  skrll 		       NULL, 0, &osrelease, 0,
    287  1.31.2.2  skrll 		       CTL_KERN, KERN_OSRELEASE, CTL_EOL);
    288  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    289  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    290  1.31.2.2  skrll 		       CTLTYPE_INT, "osrevision",
    291  1.31.2.2  skrll 		       SYSCTL_DESCR("Operating system revision"),
    292  1.31.2.2  skrll 		       NULL, __NetBSD_Version__, NULL, 0,
    293  1.31.2.2  skrll 		       CTL_KERN, KERN_OSREV, CTL_EOL);
    294  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    295  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    296  1.31.2.2  skrll 		       CTLTYPE_STRING, "version",
    297  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel version"),
    298  1.31.2.2  skrll 		       NULL, 0, &version, 0,
    299  1.31.2.2  skrll 		       CTL_KERN, KERN_VERSION, CTL_EOL);
    300  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    301  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    302  1.31.2.2  skrll 		       CTLTYPE_INT, "maxvnodes",
    303  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of vnodes"),
    304  1.31.2.2  skrll 		       sysctl_kern_maxvnodes, 0, NULL, 0,
    305  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXVNODES, CTL_EOL);
    306  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    307  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    308  1.31.2.2  skrll 		       CTLTYPE_INT, "maxproc",
    309  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of simultaneous processes"),
    310  1.31.2.2  skrll 		       sysctl_kern_maxproc, 0, NULL, 0,
    311  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPROC, CTL_EOL);
    312  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    313  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    314  1.31.2.2  skrll 		       CTLTYPE_INT, "maxfiles",
    315  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of open files"),
    316  1.31.2.2  skrll 		       NULL, 0, &maxfiles, 0,
    317  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXFILES, CTL_EOL);
    318  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    319  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    320  1.31.2.2  skrll 		       CTLTYPE_INT, "argmax",
    321  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of bytes of arguments to "
    322  1.31.2.2  skrll 				    "execve(2)"),
    323  1.31.2.2  skrll 		       NULL, ARG_MAX, NULL, 0,
    324  1.31.2.2  skrll 		       CTL_KERN, KERN_ARGMAX, CTL_EOL);
    325  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    326  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    327  1.31.2.2  skrll 		       CTLTYPE_INT, "securelevel",
    328  1.31.2.2  skrll 		       SYSCTL_DESCR("System security level"),
    329  1.31.2.2  skrll 		       sysctl_kern_securelevel, 0, &securelevel, 0,
    330  1.31.2.2  skrll 		       CTL_KERN, KERN_SECURELVL, CTL_EOL);
    331  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    332  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    333  1.31.2.2  skrll 		       CTLTYPE_STRING, "hostname",
    334  1.31.2.2  skrll 		       SYSCTL_DESCR("System hostname"),
    335  1.31.2.2  skrll 		       sysctl_setlen, 0, &hostname, MAXHOSTNAMELEN,
    336  1.31.2.2  skrll 		       CTL_KERN, KERN_HOSTNAME, CTL_EOL);
    337  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    338  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX,
    339  1.31.2.2  skrll 		       CTLTYPE_INT, "hostid",
    340  1.31.2.2  skrll 		       SYSCTL_DESCR("System host ID number"),
    341  1.31.2.2  skrll 		       sysctl_kern_hostid, 0, NULL, 0,
    342  1.31.2.2  skrll 		       CTL_KERN, KERN_HOSTID, CTL_EOL);
    343  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    344  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    345  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "clockrate",
    346  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel clock rates"),
    347  1.31.2.2  skrll 		       sysctl_kern_clockrate, 0, NULL,
    348  1.31.2.2  skrll 		       sizeof(struct clockinfo),
    349  1.31.2.2  skrll 		       CTL_KERN, KERN_CLOCKRATE, CTL_EOL);
    350  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    351  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    352  1.31.2.8  skrll 		       CTLTYPE_INT, "hardclock_ticks",
    353  1.31.2.8  skrll 		       SYSCTL_DESCR("Number of hardclock ticks"),
    354  1.31.2.8  skrll 		       NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks),
    355  1.31.2.8  skrll 		       CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL);
    356  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    357  1.31.2.8  skrll 		       CTLFLAG_PERMANENT,
    358  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "vnode",
    359  1.31.2.2  skrll 		       SYSCTL_DESCR("System vnode table"),
    360  1.31.2.2  skrll 		       sysctl_kern_vnode, 0, NULL, 0,
    361  1.31.2.2  skrll 		       CTL_KERN, KERN_VNODE, CTL_EOL);
    362  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    363  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    364  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "file",
    365  1.31.2.2  skrll 		       SYSCTL_DESCR("System open file table"),
    366  1.31.2.2  skrll 		       sysctl_kern_file, 0, NULL, 0,
    367  1.31.2.2  skrll 		       CTL_KERN, KERN_FILE, CTL_EOL);
    368  1.31.2.2  skrll #ifndef GPROF
    369  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    370  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    371  1.31.2.2  skrll 		       CTLTYPE_NODE, "profiling",
    372  1.31.2.2  skrll 		       SYSCTL_DESCR("Profiling information (not available)"),
    373  1.31.2.2  skrll 		       sysctl_notavail, 0, NULL, 0,
    374  1.31.2.2  skrll 		       CTL_KERN, KERN_PROF, CTL_EOL);
    375  1.31.2.2  skrll #endif
    376  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    377  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    378  1.31.2.2  skrll 		       CTLTYPE_INT, "posix1version",
    379  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) "
    380  1.31.2.2  skrll 				    "with which the operating system attempts "
    381  1.31.2.2  skrll 				    "to comply"),
    382  1.31.2.2  skrll 		       NULL, _POSIX_VERSION, NULL, 0,
    383  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX1, CTL_EOL);
    384  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    385  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    386  1.31.2.2  skrll 		       CTLTYPE_INT, "ngroups",
    387  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of supplemental groups"),
    388  1.31.2.2  skrll 		       NULL, NGROUPS_MAX, NULL, 0,
    389  1.31.2.2  skrll 		       CTL_KERN, KERN_NGROUPS, CTL_EOL);
    390  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    391  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    392  1.31.2.2  skrll 		       CTLTYPE_INT, "job_control",
    393  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether job control is available"),
    394  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    395  1.31.2.2  skrll 		       CTL_KERN, KERN_JOB_CONTROL, CTL_EOL);
    396  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    397  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    398  1.31.2.2  skrll 		       CTLTYPE_INT, "saved_ids",
    399  1.31.2.8  skrll 		       SYSCTL_DESCR("Whether POSIX saved set-group/user ID is "
    400  1.31.2.2  skrll 				    "available"), NULL,
    401  1.31.2.2  skrll #ifdef _POSIX_SAVED_IDS
    402  1.31.2.2  skrll 		       1,
    403  1.31.2.2  skrll #else /* _POSIX_SAVED_IDS */
    404  1.31.2.2  skrll 		       0,
    405  1.31.2.2  skrll #endif /* _POSIX_SAVED_IDS */
    406  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL);
    407  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    408  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    409  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "boottime",
    410  1.31.2.2  skrll 		       SYSCTL_DESCR("System boot time"),
    411  1.31.2.2  skrll 		       NULL, 0, &boottime, sizeof(boottime),
    412  1.31.2.2  skrll 		       CTL_KERN, KERN_BOOTTIME, CTL_EOL);
    413  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    414  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    415  1.31.2.2  skrll 		       CTLTYPE_STRING, "domainname",
    416  1.31.2.2  skrll 		       SYSCTL_DESCR("YP domain name"),
    417  1.31.2.2  skrll 		       sysctl_setlen, 0, &domainname, MAXHOSTNAMELEN,
    418  1.31.2.2  skrll 		       CTL_KERN, KERN_DOMAINNAME, CTL_EOL);
    419  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    420  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    421  1.31.2.2  skrll 		       CTLTYPE_INT, "maxpartitions",
    422  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of partitions allowed per "
    423  1.31.2.2  skrll 				    "disk"),
    424  1.31.2.2  skrll 		       NULL, MAXPARTITIONS, NULL, 0,
    425  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL);
    426  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    427  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    428  1.31.2.2  skrll 		       CTLTYPE_INT, "rawpartition",
    429  1.31.2.2  skrll 		       SYSCTL_DESCR("Raw partition of a disk"),
    430  1.31.2.2  skrll 		       NULL, RAW_PART, NULL, 0,
    431  1.31.2.2  skrll 		       CTL_KERN, KERN_RAWPARTITION, CTL_EOL);
    432  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    433  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    434  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "timex", NULL,
    435  1.31.2.2  skrll 		       sysctl_notavail, 0, NULL, 0,
    436  1.31.2.2  skrll 		       CTL_KERN, KERN_TIMEX, CTL_EOL);
    437  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    438  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    439  1.31.2.2  skrll 		       CTLTYPE_INT, "autonicetime",
    440  1.31.2.2  skrll 		       SYSCTL_DESCR("CPU clock seconds before non-root "
    441  1.31.2.2  skrll 				    "process priority is lowered"),
    442  1.31.2.2  skrll 		       sysctl_kern_autonice, 0, &autonicetime, 0,
    443  1.31.2.2  skrll 		       CTL_KERN, KERN_AUTONICETIME, CTL_EOL);
    444  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    445  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    446  1.31.2.2  skrll 		       CTLTYPE_INT, "autoniceval",
    447  1.31.2.2  skrll 		       SYSCTL_DESCR("Automatic reniced non-root process "
    448  1.31.2.2  skrll 				    "priority"),
    449  1.31.2.2  skrll 		       sysctl_kern_autonice, 0, &autoniceval, 0,
    450  1.31.2.2  skrll 		       CTL_KERN, KERN_AUTONICEVAL, CTL_EOL);
    451  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    452  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    453  1.31.2.2  skrll 		       CTLTYPE_INT, "rtc_offset",
    454  1.31.2.2  skrll 		       SYSCTL_DESCR("Offset of real time clock from UTC in "
    455  1.31.2.2  skrll 				    "minutes"),
    456  1.31.2.2  skrll 		       sysctl_kern_rtc_offset, 0, &rtc_offset, 0,
    457  1.31.2.2  skrll 		       CTL_KERN, KERN_RTC_OFFSET, CTL_EOL);
    458  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    459  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    460  1.31.2.2  skrll 		       CTLTYPE_STRING, "root_device",
    461  1.31.2.2  skrll 		       SYSCTL_DESCR("Name of the root device"),
    462  1.31.2.2  skrll 		       sysctl_root_device, 0, NULL, 0,
    463  1.31.2.2  skrll 		       CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL);
    464  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    465  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    466  1.31.2.2  skrll 		       CTLTYPE_INT, "msgbufsize",
    467  1.31.2.2  skrll 		       SYSCTL_DESCR("Size of the kernel message buffer"),
    468  1.31.2.2  skrll 		       sysctl_msgbuf, 0, NULL, 0,
    469  1.31.2.2  skrll 		       CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL);
    470  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    471  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    472  1.31.2.2  skrll 		       CTLTYPE_INT, "fsync",
    473  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b File "
    474  1.31.2.2  skrll 				    "Synchronization Option is available on "
    475  1.31.2.2  skrll 				    "this system"),
    476  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    477  1.31.2.2  skrll 		       CTL_KERN, KERN_FSYNC, CTL_EOL);
    478  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    479  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    480  1.31.2.2  skrll 		       CTLTYPE_INT, "sysvmsg",
    481  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style message support available"),
    482  1.31.2.2  skrll 		       NULL,
    483  1.31.2.2  skrll #ifdef SYSVMSG
    484  1.31.2.2  skrll 		       1,
    485  1.31.2.2  skrll #else /* SYSVMSG */
    486  1.31.2.2  skrll 		       0,
    487  1.31.2.2  skrll #endif /* SYSVMSG */
    488  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SYSVMSG, CTL_EOL);
    489  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    490  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    491  1.31.2.2  skrll 		       CTLTYPE_INT, "sysvsem",
    492  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style semaphore support "
    493  1.31.2.2  skrll 				    "available"), NULL,
    494  1.31.2.2  skrll #ifdef SYSVSEM
    495  1.31.2.2  skrll 		       1,
    496  1.31.2.2  skrll #else /* SYSVSEM */
    497  1.31.2.2  skrll 		       0,
    498  1.31.2.2  skrll #endif /* SYSVSEM */
    499  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SYSVSEM, CTL_EOL);
    500  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    501  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    502  1.31.2.2  skrll 		       CTLTYPE_INT, "sysvshm",
    503  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style shared memory support "
    504  1.31.2.2  skrll 				    "available"), NULL,
    505  1.31.2.2  skrll #ifdef SYSVSHM
    506  1.31.2.2  skrll 		       1,
    507  1.31.2.2  skrll #else /* SYSVSHM */
    508  1.31.2.2  skrll 		       0,
    509  1.31.2.2  skrll #endif /* SYSVSHM */
    510  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_SYSVSHM, CTL_EOL);
    511  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    512  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    513  1.31.2.2  skrll 		       CTLTYPE_INT, "synchronized_io",
    514  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized "
    515  1.31.2.2  skrll 				    "I/O Option is available on this system"),
    516  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    517  1.31.2.2  skrll 		       CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL);
    518  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    519  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    520  1.31.2.2  skrll 		       CTLTYPE_INT, "iov_max",
    521  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of iovec structures per "
    522  1.31.2.2  skrll 				    "process"),
    523  1.31.2.2  skrll 		       NULL, IOV_MAX, NULL, 0,
    524  1.31.2.2  skrll 		       CTL_KERN, KERN_IOV_MAX, CTL_EOL);
    525  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    526  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    527  1.31.2.2  skrll 		       CTLTYPE_INT, "mapped_files",
    528  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped "
    529  1.31.2.2  skrll 				    "Files Option is available on this system"),
    530  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    531  1.31.2.2  skrll 		       CTL_KERN, KERN_MAPPED_FILES, CTL_EOL);
    532  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    533  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    534  1.31.2.2  skrll 		       CTLTYPE_INT, "memlock",
    535  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory "
    536  1.31.2.2  skrll 				    "Locking Option is available on this "
    537  1.31.2.2  skrll 				    "system"),
    538  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    539  1.31.2.2  skrll 		       CTL_KERN, KERN_MEMLOCK, CTL_EOL);
    540  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    541  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    542  1.31.2.2  skrll 		       CTLTYPE_INT, "memlock_range",
    543  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory "
    544  1.31.2.2  skrll 				    "Locking Option is available on this "
    545  1.31.2.2  skrll 				    "system"),
    546  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    547  1.31.2.2  skrll 		       CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL);
    548  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    549  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    550  1.31.2.2  skrll 		       CTLTYPE_INT, "memory_protection",
    551  1.31.2.2  skrll 		       SYSCTL_DESCR("Whether the POSIX 1003.1b Memory "
    552  1.31.2.2  skrll 				    "Protection Option is available on this "
    553  1.31.2.2  skrll 				    "system"),
    554  1.31.2.2  skrll 		       NULL, 1, NULL, 0,
    555  1.31.2.2  skrll 		       CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL);
    556  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    557  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    558  1.31.2.2  skrll 		       CTLTYPE_INT, "login_name_max",
    559  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum login name length"),
    560  1.31.2.2  skrll 		       NULL, LOGIN_NAME_MAX, NULL, 0,
    561  1.31.2.2  skrll 		       CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL);
    562  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    563  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    564  1.31.2.2  skrll 		       CTLTYPE_STRING, "defcorename",
    565  1.31.2.2  skrll 		       SYSCTL_DESCR("Default core file name"),
    566  1.31.2.2  skrll 		       sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN,
    567  1.31.2.2  skrll 		       CTL_KERN, KERN_DEFCORENAME, CTL_EOL);
    568  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    569  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    570  1.31.2.2  skrll 		       CTLTYPE_INT, "logsigexit",
    571  1.31.2.2  skrll 		       SYSCTL_DESCR("Log process exit when caused by signals"),
    572  1.31.2.2  skrll 		       NULL, 0, &kern_logsigexit, 0,
    573  1.31.2.2  skrll 		       CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL);
    574  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    575  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    576  1.31.2.2  skrll 		       CTLTYPE_INT, "fscale",
    577  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel fixed-point scale factor"),
    578  1.31.2.2  skrll 		       NULL, FSCALE, NULL, 0,
    579  1.31.2.2  skrll 		       CTL_KERN, KERN_FSCALE, CTL_EOL);
    580  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    581  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    582  1.31.2.2  skrll 		       CTLTYPE_INT, "ccpu",
    583  1.31.2.2  skrll 		       SYSCTL_DESCR("Scheduler exponential decay value"),
    584  1.31.2.2  skrll 		       NULL, 0, &ccpu, 0,
    585  1.31.2.2  skrll 		       CTL_KERN, KERN_CCPU, CTL_EOL);
    586  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    587  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    588  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "cp_time",
    589  1.31.2.2  skrll 		       SYSCTL_DESCR("Clock ticks spent in different CPU states"),
    590  1.31.2.2  skrll 		       sysctl_kern_cptime, 0, NULL, 0,
    591  1.31.2.2  skrll 		       CTL_KERN, KERN_CP_TIME, CTL_EOL);
    592  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
    593  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    594  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    595  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "sysvipc_info",
    596  1.31.2.2  skrll 		       SYSCTL_DESCR("System V style IPC information"),
    597  1.31.2.2  skrll 		       sysctl_kern_sysvipc, 0, NULL, 0,
    598  1.31.2.2  skrll 		       CTL_KERN, KERN_SYSVIPC_INFO, CTL_EOL);
    599  1.31.2.2  skrll #endif /* SYSVMSG || SYSVSEM || SYSVSHM */
    600  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    601  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    602  1.31.2.2  skrll 		       CTLTYPE_INT, "msgbuf",
    603  1.31.2.2  skrll 		       SYSCTL_DESCR("Kernel message buffer"),
    604  1.31.2.2  skrll 		       sysctl_msgbuf, 0, NULL, 0,
    605  1.31.2.2  skrll 		       CTL_KERN, KERN_MSGBUF, CTL_EOL);
    606  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    607  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    608  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "consdev",
    609  1.31.2.2  skrll 		       SYSCTL_DESCR("Console device"),
    610  1.31.2.2  skrll 		       sysctl_consdev, 0, NULL, sizeof(dev_t),
    611  1.31.2.2  skrll 		       CTL_KERN, KERN_CONSDEV, CTL_EOL);
    612  1.31.2.2  skrll #if NPTY > 0
    613  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    614  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    615  1.31.2.2  skrll 		       CTLTYPE_INT, "maxptys",
    616  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum number of pseudo-ttys"),
    617  1.31.2.2  skrll 		       sysctl_kern_maxptys, 0, NULL, 0,
    618  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPTYS, CTL_EOL);
    619  1.31.2.2  skrll #endif /* NPTY > 0 */
    620  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    621  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    622  1.31.2.2  skrll 		       CTLTYPE_INT, "maxphys",
    623  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum raw I/O transfer size"),
    624  1.31.2.2  skrll 		       NULL, MAXPHYS, NULL, 0,
    625  1.31.2.2  skrll 		       CTL_KERN, KERN_MAXPHYS, CTL_EOL);
    626  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    627  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    628  1.31.2.2  skrll 		       CTLTYPE_INT, "sbmax",
    629  1.31.2.2  skrll 		       SYSCTL_DESCR("Maximum socket buffer size"),
    630  1.31.2.2  skrll 		       sysctl_kern_sbmax, 0, NULL, 0,
    631  1.31.2.2  skrll 		       CTL_KERN, KERN_SBMAX, CTL_EOL);
    632  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    633  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    634  1.31.2.2  skrll 		       CTLTYPE_INT, "monotonic_clock",
    635  1.31.2.2  skrll 		       SYSCTL_DESCR("Implementation version of the POSIX "
    636  1.31.2.2  skrll 				    "1003.1b Monotonic Clock Option"),
    637  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    638  1.31.2.2  skrll 		       NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0,
    639  1.31.2.2  skrll 		       CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL);
    640  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    641  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    642  1.31.2.2  skrll 		       CTLTYPE_INT, "urandom",
    643  1.31.2.2  skrll 		       SYSCTL_DESCR("Random integer value"),
    644  1.31.2.2  skrll 		       sysctl_kern_urnd, 0, NULL, 0,
    645  1.31.2.2  skrll 		       CTL_KERN, KERN_URND, CTL_EOL);
    646  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    647  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    648  1.31.2.2  skrll 		       CTLTYPE_INT, "labelsector",
    649  1.31.2.2  skrll 		       SYSCTL_DESCR("Sector number containing the disklabel"),
    650  1.31.2.2  skrll 		       NULL, LABELSECTOR, NULL, 0,
    651  1.31.2.2  skrll 		       CTL_KERN, KERN_LABELSECTOR, CTL_EOL);
    652  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    653  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    654  1.31.2.2  skrll 		       CTLTYPE_INT, "labeloffset",
    655  1.31.2.2  skrll 		       SYSCTL_DESCR("Offset of the disklabel within the "
    656  1.31.2.2  skrll 				    "sector"),
    657  1.31.2.2  skrll 		       NULL, LABELOFFSET, NULL, 0,
    658  1.31.2.2  skrll 		       CTL_KERN, KERN_LABELOFFSET, CTL_EOL);
    659  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    660  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    661  1.31.2.2  skrll 		       CTLTYPE_NODE, "lwp",
    662  1.31.2.2  skrll 		       SYSCTL_DESCR("System-wide LWP information"),
    663  1.31.2.2  skrll 		       sysctl_kern_lwp, 0, NULL, 0,
    664  1.31.2.2  skrll 		       CTL_KERN, KERN_LWP, CTL_EOL);
    665  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    666  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    667  1.31.2.2  skrll 		       CTLTYPE_INT, "forkfsleep",
    668  1.31.2.2  skrll 		       SYSCTL_DESCR("Milliseconds to sleep on fork failure due "
    669  1.31.2.2  skrll 				    "to process limits"),
    670  1.31.2.2  skrll 		       sysctl_kern_forkfsleep, 0, NULL, 0,
    671  1.31.2.2  skrll 		       CTL_KERN, KERN_FORKFSLEEP, CTL_EOL);
    672  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    673  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    674  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_threads",
    675  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    676  1.31.2.2  skrll 				    "Threads option to which the system "
    677  1.31.2.2  skrll 				    "attempts to conform"),
    678  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    679  1.31.2.2  skrll 		       NULL, _POSIX_THREADS, NULL, 0,
    680  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_THREADS, CTL_EOL);
    681  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    682  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    683  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_semaphores",
    684  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    685  1.31.2.2  skrll 				    "Semaphores option to which the system "
    686  1.31.2.2  skrll 				    "attempts to conform"), NULL,
    687  1.31.2.2  skrll #ifdef P1003_1B_SEMAPHORE
    688  1.31.2.2  skrll 		       200112,
    689  1.31.2.2  skrll #else /* P1003_1B_SEMAPHORE */
    690  1.31.2.2  skrll 		       0,
    691  1.31.2.2  skrll #endif /* P1003_1B_SEMAPHORE */
    692  1.31.2.2  skrll 		       NULL, 0, CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL);
    693  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    694  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    695  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_barriers",
    696  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    697  1.31.2.2  skrll 				    "Barriers option to which the system "
    698  1.31.2.2  skrll 				    "attempts to conform"),
    699  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    700  1.31.2.2  skrll 		       NULL, _POSIX_BARRIERS, NULL, 0,
    701  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL);
    702  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    703  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    704  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_timers",
    705  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    706  1.31.2.2  skrll 				    "Timers option to which the system "
    707  1.31.2.2  skrll 				    "attempts to conform"),
    708  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    709  1.31.2.2  skrll 		       NULL, _POSIX_TIMERS, NULL, 0,
    710  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL);
    711  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    712  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    713  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_spin_locks",
    714  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin "
    715  1.31.2.2  skrll 				    "Locks option to which the system attempts "
    716  1.31.2.2  skrll 				    "to conform"),
    717  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    718  1.31.2.2  skrll 		       NULL, _POSIX_SPIN_LOCKS, NULL, 0,
    719  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL);
    720  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    721  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    722  1.31.2.2  skrll 		       CTLTYPE_INT, "posix_reader_writer_locks",
    723  1.31.2.2  skrll 		       SYSCTL_DESCR("Version of IEEE Std 1003.1 and its "
    724  1.31.2.2  skrll 				    "Read-Write Locks option to which the "
    725  1.31.2.2  skrll 				    "system attempts to conform"),
    726  1.31.2.2  skrll 		       /* XXX _POSIX_VERSION */
    727  1.31.2.2  skrll 		       NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0,
    728  1.31.2.2  skrll 		       CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL);
    729  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    730  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    731  1.31.2.2  skrll 		       CTLTYPE_INT, "dump_on_panic",
    732  1.31.2.2  skrll 		       SYSCTL_DESCR("Perform a crash dump on system panic"),
    733  1.31.2.2  skrll 		       NULL, 0, &dumponpanic, 0,
    734  1.31.2.2  skrll 		       CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL);
    735  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    736  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    737  1.31.2.2  skrll 		       CTLTYPE_INT, "root_partition",
    738  1.31.2.2  skrll 		       SYSCTL_DESCR("Root partition on the root device"),
    739  1.31.2.2  skrll 		       sysctl_kern_root_partition, 0, NULL, 0,
    740  1.31.2.2  skrll 		       CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL);
    741  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    742  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    743  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "drivers",
    744  1.31.2.2  skrll 		       SYSCTL_DESCR("List of all drivers with block and "
    745  1.31.2.2  skrll 				    "character device numbers"),
    746  1.31.2.2  skrll 		       sysctl_kern_drivers, 0, NULL, 0,
    747  1.31.2.2  skrll 		       CTL_KERN, KERN_DRIVERS, CTL_EOL);
    748  1.31.2.7  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    749  1.31.2.7  skrll 		       CTLFLAG_PERMANENT,
    750  1.31.2.7  skrll 		       CTLTYPE_STRUCT, "file2",
    751  1.31.2.7  skrll 		       SYSCTL_DESCR("System open file table"),
    752  1.31.2.7  skrll 		       sysctl_kern_file2, 0, NULL, 0,
    753  1.31.2.7  skrll 		       CTL_KERN, KERN_FILE2, CTL_EOL);
    754  1.31.2.8  skrll #ifdef VERIFIED_EXEC
    755  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    756  1.31.2.8  skrll 		       CTLFLAG_PERMANENT,
    757  1.31.2.8  skrll 		       CTLTYPE_NODE, "veriexec",
    758  1.31.2.8  skrll 		       SYSCTL_DESCR("Verified Exec"),
    759  1.31.2.8  skrll 		       NULL, 0, NULL, 0,
    760  1.31.2.8  skrll 		       CTL_KERN, KERN_VERIEXEC, CTL_EOL);
    761  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    762  1.31.2.8  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    763  1.31.2.8  skrll 		       CTLTYPE_INT, "verbose",
    764  1.31.2.8  skrll 		       SYSCTL_DESCR("Verified Exec verbose level"),
    765  1.31.2.8  skrll 		       NULL, 0, &veriexec_verbose, 0,
    766  1.31.2.8  skrll 		       CTL_KERN, KERN_VERIEXEC, VERIEXEC_VERBOSE,
    767  1.31.2.8  skrll 		       CTL_EOL);
    768  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    769  1.31.2.8  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
    770  1.31.2.8  skrll 		       CTLTYPE_INT, "strict",
    771  1.31.2.8  skrll 		       SYSCTL_DESCR("Verified Exec strict level"),
    772  1.31.2.8  skrll 		       sysctl_kern_veriexec, 0, NULL, 0,
    773  1.31.2.8  skrll 		       CTL_KERN, KERN_VERIEXEC, VERIEXEC_STRICT, CTL_EOL);
    774  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    775  1.31.2.8  skrll 		       CTLFLAG_PERMANENT,
    776  1.31.2.8  skrll 		       CTLTYPE_STRING, "algorithms",
    777  1.31.2.8  skrll 		       SYSCTL_DESCR("Verified Exec supported hashing "
    778  1.31.2.8  skrll 				    "algorithms"),
    779  1.31.2.8  skrll 		       sysctl_kern_veriexec, 0, NULL, 0,
    780  1.31.2.8  skrll 		       CTL_KERN, KERN_VERIEXEC, VERIEXEC_ALGORITHMS, CTL_EOL);
    781  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, &veriexec_count_node,
    782  1.31.2.8  skrll 		       CTLFLAG_PERMANENT,
    783  1.31.2.8  skrll 		       CTLTYPE_NODE, "count",
    784  1.31.2.8  skrll 		       SYSCTL_DESCR("Number of fingerprints on device(s)"),
    785  1.31.2.8  skrll 		       NULL, 0, NULL, 0,
    786  1.31.2.8  skrll 		       CTL_KERN, KERN_VERIEXEC, VERIEXEC_COUNT, CTL_EOL);
    787  1.31.2.8  skrll #endif /* VERIFIED_EXEC */
    788  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    789  1.31.2.8  skrll 		       CTLFLAG_PERMANENT,
    790  1.31.2.8  skrll 		       CTLTYPE_STRUCT, "cp_id",
    791  1.31.2.8  skrll 		       SYSCTL_DESCR("Mapping of CPU number to CPU id"),
    792  1.31.2.8  skrll 		       sysctl_kern_cpid, 0, NULL, 0,
    793  1.31.2.8  skrll 		       CTL_KERN, KERN_CP_ID, CTL_EOL);
    794  1.31.2.2  skrll }
    795  1.31.2.2  skrll 
    796  1.31.2.2  skrll SYSCTL_SETUP(sysctl_kern_proc_setup,
    797  1.31.2.2  skrll 	     "sysctl kern.proc/proc2/proc_args subtree setup")
    798  1.31.2.2  skrll {
    799  1.31.2.2  skrll 
    800  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    801  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    802  1.31.2.2  skrll 		       CTLTYPE_NODE, "kern", NULL,
    803  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    804  1.31.2.2  skrll 		       CTL_KERN, CTL_EOL);
    805  1.31.2.2  skrll 
    806  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    807  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    808  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc",
    809  1.31.2.2  skrll 		       SYSCTL_DESCR("System-wide process information"),
    810  1.31.2.2  skrll 		       sysctl_doeproc, 0, NULL, 0,
    811  1.31.2.2  skrll 		       CTL_KERN, KERN_PROC, CTL_EOL);
    812  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    813  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    814  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc2",
    815  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine-independent process information"),
    816  1.31.2.2  skrll 		       sysctl_doeproc, 0, NULL, 0,
    817  1.31.2.2  skrll 		       CTL_KERN, KERN_PROC2, CTL_EOL);
    818  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    819  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    820  1.31.2.2  skrll 		       CTLTYPE_NODE, "proc_args",
    821  1.31.2.2  skrll 		       SYSCTL_DESCR("Process argument information"),
    822  1.31.2.2  skrll 		       sysctl_kern_proc_args, 0, NULL, 0,
    823  1.31.2.2  skrll 		       CTL_KERN, KERN_PROC_ARGS, CTL_EOL);
    824  1.31.2.2  skrll 
    825  1.31.2.2  skrll 	/*
    826  1.31.2.2  skrll 	  "nodes" under these:
    827  1.31.2.2  skrll 
    828  1.31.2.2  skrll 	  KERN_PROC_ALL
    829  1.31.2.2  skrll 	  KERN_PROC_PID pid
    830  1.31.2.2  skrll 	  KERN_PROC_PGRP pgrp
    831  1.31.2.2  skrll 	  KERN_PROC_SESSION sess
    832  1.31.2.2  skrll 	  KERN_PROC_TTY tty
    833  1.31.2.2  skrll 	  KERN_PROC_UID uid
    834  1.31.2.2  skrll 	  KERN_PROC_RUID uid
    835  1.31.2.2  skrll 	  KERN_PROC_GID gid
    836  1.31.2.2  skrll 	  KERN_PROC_RGID gid
    837  1.31.2.2  skrll 
    838  1.31.2.2  skrll 	  all in all, probably not worth the effort...
    839  1.31.2.2  skrll 	*/
    840  1.31.2.2  skrll }
    841  1.31.2.2  skrll 
    842  1.31.2.2  skrll SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup")
    843  1.31.2.2  skrll {
    844  1.31.2.2  skrll 	u_int u;
    845  1.31.2.2  skrll 	u_quad_t q;
    846  1.31.2.2  skrll 
    847  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    848  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    849  1.31.2.2  skrll 		       CTLTYPE_NODE, "hw", NULL,
    850  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    851  1.31.2.2  skrll 		       CTL_HW, CTL_EOL);
    852  1.31.2.2  skrll 
    853  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    854  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    855  1.31.2.2  skrll 		       CTLTYPE_STRING, "machine",
    856  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine class"),
    857  1.31.2.2  skrll 		       NULL, 0, machine, 0,
    858  1.31.2.2  skrll 		       CTL_HW, HW_MACHINE, CTL_EOL);
    859  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    860  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    861  1.31.2.2  skrll 		       CTLTYPE_STRING, "model",
    862  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine model"),
    863  1.31.2.2  skrll 		       NULL, 0, cpu_model, 0,
    864  1.31.2.2  skrll 		       CTL_HW, HW_MODEL, CTL_EOL);
    865  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    866  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    867  1.31.2.2  skrll 		       CTLTYPE_INT, "ncpu",
    868  1.31.2.2  skrll 		       SYSCTL_DESCR("Number of active CPUs"),
    869  1.31.2.2  skrll 		       sysctl_hw_ncpu, 0, NULL, 0,
    870  1.31.2.2  skrll 		       CTL_HW, HW_NCPU, CTL_EOL);
    871  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    872  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    873  1.31.2.2  skrll 		       CTLTYPE_INT, "byteorder",
    874  1.31.2.2  skrll 		       SYSCTL_DESCR("System byte order"),
    875  1.31.2.2  skrll 		       NULL, BYTE_ORDER, NULL, 0,
    876  1.31.2.2  skrll 		       CTL_HW, HW_BYTEORDER, CTL_EOL);
    877  1.31.2.2  skrll 	u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ?
    878  1.31.2.2  skrll 		UINT_MAX : physmem * PAGE_SIZE;
    879  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    880  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    881  1.31.2.2  skrll 		       CTLTYPE_INT, "physmem",
    882  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of physical memory"),
    883  1.31.2.2  skrll 		       NULL, u, NULL, 0,
    884  1.31.2.2  skrll 		       CTL_HW, HW_PHYSMEM, CTL_EOL);
    885  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    886  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    887  1.31.2.2  skrll 		       CTLTYPE_INT, "usermem",
    888  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of non-kernel memory"),
    889  1.31.2.2  skrll 		       sysctl_hw_usermem, 0, NULL, 0,
    890  1.31.2.2  skrll 		       CTL_HW, HW_USERMEM, CTL_EOL);
    891  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    892  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    893  1.31.2.2  skrll 		       CTLTYPE_INT, "pagesize",
    894  1.31.2.2  skrll 		       SYSCTL_DESCR("Software page size"),
    895  1.31.2.2  skrll 		       NULL, PAGE_SIZE, NULL, 0,
    896  1.31.2.2  skrll 		       CTL_HW, HW_PAGESIZE, CTL_EOL);
    897  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    898  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    899  1.31.2.2  skrll 		       CTLTYPE_STRING, "disknames",
    900  1.31.2.2  skrll 		       SYSCTL_DESCR("List of disk devices present"),
    901  1.31.2.2  skrll 		       sysctl_hw_disknames, 0, NULL, 0,
    902  1.31.2.2  skrll 		       CTL_HW, HW_DISKNAMES, CTL_EOL);
    903  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    904  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    905  1.31.2.2  skrll 		       CTLTYPE_STRUCT, "diskstats",
    906  1.31.2.2  skrll 		       SYSCTL_DESCR("Statistics on disk operation"),
    907  1.31.2.2  skrll 		       sysctl_hw_diskstats, 0, NULL, 0,
    908  1.31.2.2  skrll 		       CTL_HW, HW_DISKSTATS, CTL_EOL);
    909  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    910  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    911  1.31.2.2  skrll 		       CTLTYPE_STRING, "machine_arch",
    912  1.31.2.2  skrll 		       SYSCTL_DESCR("Machine CPU class"),
    913  1.31.2.2  skrll 		       NULL, 0, machine_arch, 0,
    914  1.31.2.2  skrll 		       CTL_HW, HW_MACHINE_ARCH, CTL_EOL);
    915  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    916  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    917  1.31.2.2  skrll 		       CTLTYPE_INT, "alignbytes",
    918  1.31.2.2  skrll 		       SYSCTL_DESCR("Alignment constraint for all possible "
    919  1.31.2.2  skrll 				    "data types"),
    920  1.31.2.2  skrll 		       NULL, ALIGNBYTES, NULL, 0,
    921  1.31.2.2  skrll 		       CTL_HW, HW_ALIGNBYTES, CTL_EOL);
    922  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    923  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX,
    924  1.31.2.2  skrll 		       CTLTYPE_STRING, "cnmagic",
    925  1.31.2.2  skrll 		       SYSCTL_DESCR("Console magic key sequence"),
    926  1.31.2.2  skrll 		       sysctl_hw_cnmagic, 0, NULL, CNS_LEN,
    927  1.31.2.2  skrll 		       CTL_HW, HW_CNMAGIC, CTL_EOL);
    928  1.31.2.2  skrll 	q = (u_quad_t)physmem * PAGE_SIZE;
    929  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    930  1.31.2.2  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
    931  1.31.2.2  skrll 		       CTLTYPE_QUAD, "physmem64",
    932  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of physical memory"),
    933  1.31.2.2  skrll 		       NULL, q, NULL, 0,
    934  1.31.2.2  skrll 		       CTL_HW, HW_PHYSMEM64, CTL_EOL);
    935  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    936  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    937  1.31.2.2  skrll 		       CTLTYPE_QUAD, "usermem64",
    938  1.31.2.2  skrll 		       SYSCTL_DESCR("Bytes of non-kernel memory"),
    939  1.31.2.2  skrll 		       sysctl_hw_usermem, 0, NULL, 0,
    940  1.31.2.2  skrll 		       CTL_HW, HW_USERMEM64, CTL_EOL);
    941  1.31.2.2  skrll }
    942  1.31.2.2  skrll 
    943  1.31.2.2  skrll #ifdef DEBUG
    944  1.31.2.2  skrll /*
    945  1.31.2.2  skrll  * Debugging related system variables.
    946  1.31.2.2  skrll  */
    947  1.31.2.2  skrll struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4;
    948  1.31.2.2  skrll struct ctldebug debug5, debug6, debug7, debug8, debug9;
    949  1.31.2.2  skrll struct ctldebug debug10, debug11, debug12, debug13, debug14;
    950  1.31.2.2  skrll struct ctldebug debug15, debug16, debug17, debug18, debug19;
    951  1.31.2.2  skrll static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = {
    952  1.31.2.2  skrll 	&debug0, &debug1, &debug2, &debug3, &debug4,
    953  1.31.2.2  skrll 	&debug5, &debug6, &debug7, &debug8, &debug9,
    954  1.31.2.2  skrll 	&debug10, &debug11, &debug12, &debug13, &debug14,
    955  1.31.2.2  skrll 	&debug15, &debug16, &debug17, &debug18, &debug19,
    956  1.31.2.2  skrll };
    957  1.31.2.2  skrll 
    958  1.31.2.2  skrll /*
    959  1.31.2.2  skrll  * this setup routine is a replacement for debug_sysctl()
    960  1.31.2.2  skrll  *
    961  1.31.2.2  skrll  * note that it creates several nodes per defined debug variable
    962  1.31.2.2  skrll  */
    963  1.31.2.2  skrll SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup")
    964  1.31.2.2  skrll {
    965  1.31.2.2  skrll 	struct ctldebug *cdp;
    966  1.31.2.2  skrll 	char nodename[20];
    967  1.31.2.2  skrll 	int i;
    968  1.31.2.2  skrll 
    969  1.31.2.2  skrll 	/*
    970  1.31.2.2  skrll 	 * two ways here:
    971  1.31.2.2  skrll 	 *
    972  1.31.2.2  skrll 	 * the "old" way (debug.name -> value) which was emulated by
    973  1.31.2.2  skrll 	 * the sysctl(8) binary
    974  1.31.2.2  skrll 	 *
    975  1.31.2.2  skrll 	 * the new way, which the sysctl(8) binary was actually using
    976  1.31.2.2  skrll 
    977  1.31.2.2  skrll 	 node	debug
    978  1.31.2.2  skrll 	 node	debug.0
    979  1.31.2.2  skrll 	 string	debug.0.name
    980  1.31.2.2  skrll 	 int	debug.0.value
    981  1.31.2.2  skrll 	 int	debug.name
    982  1.31.2.2  skrll 
    983  1.31.2.2  skrll 	 */
    984  1.31.2.2  skrll 
    985  1.31.2.2  skrll 	sysctl_createv(clog, 0, NULL, NULL,
    986  1.31.2.2  skrll 		       CTLFLAG_PERMANENT,
    987  1.31.2.2  skrll 		       CTLTYPE_NODE, "debug", NULL,
    988  1.31.2.2  skrll 		       NULL, 0, NULL, 0,
    989  1.31.2.2  skrll 		       CTL_DEBUG, CTL_EOL);
    990  1.31.2.2  skrll 
    991  1.31.2.2  skrll 	for (i = 0; i < CTL_DEBUG_MAXID; i++) {
    992  1.31.2.2  skrll 		cdp = debugvars[i];
    993  1.31.2.2  skrll 		if (cdp->debugname == NULL || cdp->debugvar == NULL)
    994  1.31.2.2  skrll 			continue;
    995  1.31.2.2  skrll 
    996  1.31.2.2  skrll 		snprintf(nodename, sizeof(nodename), "debug%d", i);
    997  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
    998  1.31.2.2  skrll 			       CTLFLAG_PERMANENT|CTLFLAG_HIDDEN,
    999  1.31.2.2  skrll 			       CTLTYPE_NODE, nodename, NULL,
   1000  1.31.2.2  skrll 			       NULL, 0, NULL, 0,
   1001  1.31.2.2  skrll 			       CTL_DEBUG, i, CTL_EOL);
   1002  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
   1003  1.31.2.2  skrll 			       CTLFLAG_PERMANENT|CTLFLAG_HIDDEN,
   1004  1.31.2.2  skrll 			       CTLTYPE_STRING, "name", NULL,
   1005  1.31.2.8  skrll 			       /*XXXUNCONST*/
   1006  1.31.2.8  skrll 			       NULL, 0, __UNCONST(cdp->debugname), 0,
   1007  1.31.2.2  skrll 			       CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL);
   1008  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
   1009  1.31.2.2  skrll 			       CTLFLAG_PERMANENT|CTLFLAG_HIDDEN,
   1010  1.31.2.2  skrll 			       CTLTYPE_INT, "value", NULL,
   1011  1.31.2.2  skrll 			       NULL, 0, cdp->debugvar, 0,
   1012  1.31.2.2  skrll 			       CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL);
   1013  1.31.2.2  skrll 		sysctl_createv(clog, 0, NULL, NULL,
   1014  1.31.2.2  skrll 			       CTLFLAG_PERMANENT,
   1015  1.31.2.2  skrll 			       CTLTYPE_INT, cdp->debugname, NULL,
   1016  1.31.2.2  skrll 			       NULL, 0, cdp->debugvar, 0,
   1017  1.31.2.2  skrll 			       CTL_DEBUG, CTL_CREATE, CTL_EOL);
   1018  1.31.2.2  skrll 	}
   1019  1.31.2.2  skrll }
   1020  1.31.2.2  skrll #endif /* DEBUG */
   1021  1.31.2.2  skrll 
   1022  1.31.2.8  skrll SYSCTL_SETUP(sysctl_security_setup, "sysctl security subtree setup")
   1023  1.31.2.8  skrll {
   1024  1.31.2.8  skrll 	sysctl_createv(clog, 0, NULL, NULL,
   1025  1.31.2.8  skrll 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
   1026  1.31.2.8  skrll 		       CTLTYPE_INT, "curtain",
   1027  1.31.2.8  skrll 		       SYSCTL_DESCR("Curtain information about objects"
   1028  1.31.2.8  skrll 				    " to users not owning them."),
   1029  1.31.2.8  skrll 		       NULL, 0, &security_curtain, 0,
   1030  1.31.2.8  skrll 		       CTL_SECURITY, SECURITY_CURTAIN, CTL_EOL);
   1031  1.31.2.8  skrll }
   1032  1.31.2.8  skrll 
   1033  1.31.2.2  skrll /*
   1034  1.31.2.2  skrll  * ********************************************************************
   1035  1.31.2.2  skrll  * section 2: private node-specific helper routines.
   1036  1.31.2.2  skrll  * ********************************************************************
   1037  1.31.2.2  skrll  */
   1038  1.31.2.2  skrll 
   1039  1.31.2.2  skrll /*
   1040  1.31.2.2  skrll  * sysctl helper routine for kern.maxvnodes.  drain vnodes if
   1041  1.31.2.2  skrll  * new value is lower than desiredvnodes and then calls reinit
   1042  1.31.2.2  skrll  * routines that needs to adjust to the new value.
   1043  1.31.2.2  skrll  */
   1044  1.31.2.2  skrll static int
   1045  1.31.2.2  skrll sysctl_kern_maxvnodes(SYSCTLFN_ARGS)
   1046  1.31.2.2  skrll {
   1047  1.31.2.2  skrll 	int error, new_vnodes, old_vnodes;
   1048  1.31.2.2  skrll 	struct sysctlnode node;
   1049  1.31.2.2  skrll 
   1050  1.31.2.2  skrll 	new_vnodes = desiredvnodes;
   1051  1.31.2.2  skrll 	node = *rnode;
   1052  1.31.2.2  skrll 	node.sysctl_data = &new_vnodes;
   1053  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1054  1.31.2.2  skrll 	if (error || newp == NULL)
   1055  1.31.2.2  skrll 		return (error);
   1056  1.31.2.2  skrll 
   1057  1.31.2.2  skrll 	old_vnodes = desiredvnodes;
   1058  1.31.2.2  skrll 	desiredvnodes = new_vnodes;
   1059  1.31.2.2  skrll 	if (new_vnodes < old_vnodes) {
   1060  1.31.2.4  skrll 		error = vfs_drainvnodes(new_vnodes, l);
   1061  1.31.2.2  skrll 		if (error) {
   1062  1.31.2.2  skrll 			desiredvnodes = old_vnodes;
   1063  1.31.2.2  skrll 			return (error);
   1064  1.31.2.2  skrll 		}
   1065  1.31.2.2  skrll 	}
   1066  1.31.2.2  skrll 	vfs_reinit();
   1067  1.31.2.2  skrll 	nchreinit();
   1068  1.31.2.2  skrll 
   1069  1.31.2.2  skrll 	return (0);
   1070  1.31.2.2  skrll }
   1071  1.31.2.2  skrll 
   1072  1.31.2.2  skrll /*
   1073  1.31.2.2  skrll  * sysctl helper routine for rtc_offset - set time after changes
   1074  1.31.2.2  skrll  */
   1075  1.31.2.2  skrll static int
   1076  1.31.2.2  skrll sysctl_kern_rtc_offset(SYSCTLFN_ARGS)
   1077  1.31.2.2  skrll {
   1078  1.31.2.2  skrll 	struct timeval tv, delta;
   1079  1.31.2.2  skrll 	int s, error, new_rtc_offset;
   1080  1.31.2.2  skrll 	struct sysctlnode node;
   1081  1.31.2.2  skrll 
   1082  1.31.2.2  skrll 	new_rtc_offset = rtc_offset;
   1083  1.31.2.2  skrll 	node = *rnode;
   1084  1.31.2.2  skrll 	node.sysctl_data = &new_rtc_offset;
   1085  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1086  1.31.2.2  skrll 	if (error || newp == NULL)
   1087  1.31.2.2  skrll 		return (error);
   1088  1.31.2.2  skrll 
   1089  1.31.2.2  skrll 	if (securelevel > 0)
   1090  1.31.2.2  skrll 		return (EPERM);
   1091  1.31.2.2  skrll 	if (rtc_offset == new_rtc_offset)
   1092  1.31.2.2  skrll 		return (0);
   1093  1.31.2.2  skrll 
   1094  1.31.2.2  skrll 	/* if we change the offset, adjust the time */
   1095  1.31.2.2  skrll 	s = splclock();
   1096  1.31.2.2  skrll 	tv = time;
   1097  1.31.2.2  skrll 	splx(s);
   1098  1.31.2.2  skrll 	delta.tv_sec = 60*(new_rtc_offset - rtc_offset);
   1099  1.31.2.2  skrll 	delta.tv_usec = 0;
   1100  1.31.2.2  skrll 	timeradd(&tv, &delta, &tv);
   1101  1.31.2.2  skrll 	rtc_offset = new_rtc_offset;
   1102  1.31.2.2  skrll 	settime(&tv);
   1103  1.31.2.2  skrll 
   1104  1.31.2.2  skrll 	return (0);
   1105  1.31.2.2  skrll }
   1106  1.31.2.2  skrll 
   1107  1.31.2.2  skrll /*
   1108  1.31.2.8  skrll  * sysctl helper routine for kern.maxproc.  ensures that the new
   1109  1.31.2.2  skrll  * values are not too low or too high.
   1110  1.31.2.2  skrll  */
   1111  1.31.2.2  skrll static int
   1112  1.31.2.2  skrll sysctl_kern_maxproc(SYSCTLFN_ARGS)
   1113  1.31.2.2  skrll {
   1114  1.31.2.2  skrll 	int error, nmaxproc;
   1115  1.31.2.2  skrll 	struct sysctlnode node;
   1116  1.31.2.2  skrll 
   1117  1.31.2.2  skrll 	nmaxproc = maxproc;
   1118  1.31.2.2  skrll 	node = *rnode;
   1119  1.31.2.2  skrll 	node.sysctl_data = &nmaxproc;
   1120  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1121  1.31.2.2  skrll 	if (error || newp == NULL)
   1122  1.31.2.2  skrll 		return (error);
   1123  1.31.2.2  skrll 
   1124  1.31.2.2  skrll 	if (nmaxproc < 0 || nmaxproc >= PID_MAX)
   1125  1.31.2.2  skrll 		return (EINVAL);
   1126  1.31.2.2  skrll #ifdef __HAVE_CPU_MAXPROC
   1127  1.31.2.2  skrll 	if (nmaxproc > cpu_maxproc())
   1128  1.31.2.2  skrll 		return (EINVAL);
   1129  1.31.2.2  skrll #endif
   1130  1.31.2.2  skrll 	maxproc = nmaxproc;
   1131  1.31.2.2  skrll 
   1132  1.31.2.2  skrll 	return (0);
   1133  1.31.2.2  skrll }
   1134  1.31.2.2  skrll 
   1135  1.31.2.2  skrll /*
   1136  1.31.2.2  skrll  * sysctl helper routine for kern.securelevel.  ensures that the value
   1137  1.31.2.2  skrll  * only rises unless the caller has pid 1 (assumed to be init).
   1138  1.31.2.2  skrll  */
   1139  1.31.2.2  skrll static int
   1140  1.31.2.2  skrll sysctl_kern_securelevel(SYSCTLFN_ARGS)
   1141  1.31.2.2  skrll {
   1142  1.31.2.2  skrll 	int newsecurelevel, error;
   1143  1.31.2.2  skrll 	struct sysctlnode node;
   1144  1.31.2.2  skrll 
   1145  1.31.2.2  skrll 	newsecurelevel = securelevel;
   1146  1.31.2.2  skrll 	node = *rnode;
   1147  1.31.2.2  skrll 	node.sysctl_data = &newsecurelevel;
   1148  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1149  1.31.2.2  skrll 	if (error || newp == NULL)
   1150  1.31.2.2  skrll 		return (error);
   1151  1.31.2.2  skrll 
   1152  1.31.2.2  skrll 	if (newsecurelevel < securelevel && l && l->l_proc->p_pid != 1)
   1153  1.31.2.2  skrll 		return (EPERM);
   1154  1.31.2.2  skrll 	securelevel = newsecurelevel;
   1155  1.31.2.2  skrll 
   1156  1.31.2.2  skrll 	return (error);
   1157  1.31.2.2  skrll }
   1158  1.31.2.2  skrll 
   1159  1.31.2.2  skrll /*
   1160  1.31.2.2  skrll  * sysctl helper function for kern.hostid.  the hostid is a long, but
   1161  1.31.2.2  skrll  * we export it as an int, so we need to give it a little help.
   1162  1.31.2.2  skrll  */
   1163  1.31.2.2  skrll static int
   1164  1.31.2.2  skrll sysctl_kern_hostid(SYSCTLFN_ARGS)
   1165  1.31.2.2  skrll {
   1166  1.31.2.2  skrll 	int error, inthostid;
   1167  1.31.2.2  skrll 	struct sysctlnode node;
   1168  1.31.2.2  skrll 
   1169  1.31.2.2  skrll 	inthostid = hostid;  /* XXX assumes sizeof int <= sizeof long */
   1170  1.31.2.2  skrll 	node = *rnode;
   1171  1.31.2.2  skrll 	node.sysctl_data = &inthostid;
   1172  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1173  1.31.2.2  skrll 	if (error || newp == NULL)
   1174  1.31.2.2  skrll 		return (error);
   1175  1.31.2.2  skrll 
   1176  1.31.2.2  skrll 	hostid = (unsigned)inthostid;
   1177  1.31.2.2  skrll 
   1178  1.31.2.2  skrll 	return (0);
   1179  1.31.2.2  skrll }
   1180  1.31.2.2  skrll 
   1181  1.31.2.2  skrll /*
   1182  1.31.2.2  skrll  * sysctl helper function for kern.hostname and kern.domainnname.
   1183  1.31.2.2  skrll  * resets the relevant recorded length when the underlying name is
   1184  1.31.2.2  skrll  * changed.
   1185  1.31.2.2  skrll  */
   1186  1.31.2.2  skrll static int
   1187  1.31.2.2  skrll sysctl_setlen(SYSCTLFN_ARGS)
   1188  1.31.2.2  skrll {
   1189  1.31.2.2  skrll 	int error;
   1190  1.31.2.2  skrll 
   1191  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(rnode));
   1192  1.31.2.2  skrll 	if (error || newp == NULL)
   1193  1.31.2.2  skrll 		return (error);
   1194  1.31.2.2  skrll 
   1195  1.31.2.2  skrll 	switch (rnode->sysctl_num) {
   1196  1.31.2.2  skrll 	case KERN_HOSTNAME:
   1197  1.31.2.2  skrll 		hostnamelen = strlen((const char*)rnode->sysctl_data);
   1198  1.31.2.2  skrll 		break;
   1199  1.31.2.2  skrll 	case KERN_DOMAINNAME:
   1200  1.31.2.2  skrll 		domainnamelen = strlen((const char*)rnode->sysctl_data);
   1201  1.31.2.2  skrll 		break;
   1202  1.31.2.2  skrll 	}
   1203  1.31.2.2  skrll 
   1204  1.31.2.2  skrll 	return (0);
   1205  1.31.2.2  skrll }
   1206  1.31.2.2  skrll 
   1207  1.31.2.2  skrll /*
   1208  1.31.2.2  skrll  * sysctl helper routine for kern.clockrate.  assembles a struct on
   1209  1.31.2.2  skrll  * the fly to be returned to the caller.
   1210  1.31.2.2  skrll  */
   1211  1.31.2.2  skrll static int
   1212  1.31.2.2  skrll sysctl_kern_clockrate(SYSCTLFN_ARGS)
   1213  1.31.2.2  skrll {
   1214  1.31.2.2  skrll 	struct clockinfo clkinfo;
   1215  1.31.2.2  skrll 	struct sysctlnode node;
   1216  1.31.2.2  skrll 
   1217  1.31.2.2  skrll 	clkinfo.tick = tick;
   1218  1.31.2.2  skrll 	clkinfo.tickadj = tickadj;
   1219  1.31.2.2  skrll 	clkinfo.hz = hz;
   1220  1.31.2.2  skrll 	clkinfo.profhz = profhz;
   1221  1.31.2.2  skrll 	clkinfo.stathz = stathz ? stathz : hz;
   1222  1.31.2.2  skrll 
   1223  1.31.2.2  skrll 	node = *rnode;
   1224  1.31.2.2  skrll 	node.sysctl_data = &clkinfo;
   1225  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1226  1.31.2.2  skrll }
   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.file pseudo-subtree.
   1231  1.31.2.2  skrll  */
   1232  1.31.2.2  skrll static int
   1233  1.31.2.2  skrll sysctl_kern_file(SYSCTLFN_ARGS)
   1234  1.31.2.2  skrll {
   1235  1.31.2.2  skrll 	int error;
   1236  1.31.2.2  skrll 	size_t buflen;
   1237  1.31.2.2  skrll 	struct file *fp;
   1238  1.31.2.2  skrll 	char *start, *where;
   1239  1.31.2.2  skrll 
   1240  1.31.2.2  skrll 	start = where = oldp;
   1241  1.31.2.2  skrll 	buflen = *oldlenp;
   1242  1.31.2.2  skrll 	if (where == NULL) {
   1243  1.31.2.2  skrll 		/*
   1244  1.31.2.2  skrll 		 * overestimate by 10 files
   1245  1.31.2.2  skrll 		 */
   1246  1.31.2.2  skrll 		*oldlenp = sizeof(filehead) + (nfiles + 10) * sizeof(struct file);
   1247  1.31.2.2  skrll 		return (0);
   1248  1.31.2.2  skrll 	}
   1249  1.31.2.2  skrll 
   1250  1.31.2.2  skrll 	/*
   1251  1.31.2.2  skrll 	 * first copyout filehead
   1252  1.31.2.2  skrll 	 */
   1253  1.31.2.2  skrll 	if (buflen < sizeof(filehead)) {
   1254  1.31.2.2  skrll 		*oldlenp = 0;
   1255  1.31.2.2  skrll 		return (0);
   1256  1.31.2.2  skrll 	}
   1257  1.31.2.2  skrll 	error = copyout(&filehead, where, sizeof(filehead));
   1258  1.31.2.2  skrll 	if (error)
   1259  1.31.2.2  skrll 		return (error);
   1260  1.31.2.2  skrll 	buflen -= sizeof(filehead);
   1261  1.31.2.2  skrll 	where += sizeof(filehead);
   1262  1.31.2.2  skrll 
   1263  1.31.2.2  skrll 	/*
   1264  1.31.2.2  skrll 	 * followed by an array of file structures
   1265  1.31.2.2  skrll 	 */
   1266  1.31.2.2  skrll 	LIST_FOREACH(fp, &filehead, f_list) {
   1267  1.31.2.8  skrll 		if (CURTAIN(l->l_proc->p_ucred->cr_uid, fp->f_cred->cr_uid))
   1268  1.31.2.8  skrll 			continue;
   1269  1.31.2.2  skrll 		if (buflen < sizeof(struct file)) {
   1270  1.31.2.2  skrll 			*oldlenp = where - start;
   1271  1.31.2.2  skrll 			return (ENOMEM);
   1272  1.31.2.2  skrll 		}
   1273  1.31.2.2  skrll 		error = copyout(fp, where, sizeof(struct file));
   1274  1.31.2.2  skrll 		if (error)
   1275  1.31.2.2  skrll 			return (error);
   1276  1.31.2.2  skrll 		buflen -= sizeof(struct file);
   1277  1.31.2.2  skrll 		where += sizeof(struct file);
   1278  1.31.2.2  skrll 	}
   1279  1.31.2.2  skrll 	*oldlenp = where - start;
   1280  1.31.2.2  skrll 	return (0);
   1281  1.31.2.2  skrll }
   1282  1.31.2.2  skrll 
   1283  1.31.2.2  skrll /*
   1284  1.31.2.2  skrll  * sysctl helper routine for kern.autonicetime and kern.autoniceval.
   1285  1.31.2.2  skrll  * asserts that the assigned value is in the correct range.
   1286  1.31.2.2  skrll  */
   1287  1.31.2.2  skrll static int
   1288  1.31.2.2  skrll sysctl_kern_autonice(SYSCTLFN_ARGS)
   1289  1.31.2.2  skrll {
   1290  1.31.2.2  skrll 	int error, t = 0;
   1291  1.31.2.2  skrll 	struct sysctlnode node;
   1292  1.31.2.2  skrll 
   1293  1.31.2.2  skrll 	node = *rnode;
   1294  1.31.2.2  skrll 	t = *(int*)node.sysctl_data;
   1295  1.31.2.2  skrll 	node.sysctl_data = &t;
   1296  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1297  1.31.2.2  skrll 	if (error || newp == NULL)
   1298  1.31.2.2  skrll 		return (error);
   1299  1.31.2.2  skrll 
   1300  1.31.2.2  skrll 	switch (node.sysctl_num) {
   1301  1.31.2.2  skrll 	case KERN_AUTONICETIME:
   1302  1.31.2.2  skrll 		if (t >= 0)
   1303  1.31.2.2  skrll 			autonicetime = t;
   1304  1.31.2.2  skrll 		break;
   1305  1.31.2.2  skrll 	case KERN_AUTONICEVAL:
   1306  1.31.2.2  skrll 		if (t < PRIO_MIN)
   1307  1.31.2.2  skrll 			t = PRIO_MIN;
   1308  1.31.2.2  skrll 		else if (t > PRIO_MAX)
   1309  1.31.2.2  skrll 			t = PRIO_MAX;
   1310  1.31.2.2  skrll 		autoniceval = t;
   1311  1.31.2.2  skrll 		break;
   1312  1.31.2.2  skrll 	}
   1313  1.31.2.2  skrll 
   1314  1.31.2.2  skrll 	return (0);
   1315  1.31.2.2  skrll }
   1316  1.31.2.2  skrll 
   1317  1.31.2.2  skrll /*
   1318  1.31.2.2  skrll  * sysctl helper routine for kern.msgbufsize and kern.msgbuf.  for the
   1319  1.31.2.2  skrll  * former it merely checks the message buffer is set up.  for the latter,
   1320  1.31.2.2  skrll  * it also copies out the data if necessary.
   1321  1.31.2.2  skrll  */
   1322  1.31.2.2  skrll static int
   1323  1.31.2.2  skrll sysctl_msgbuf(SYSCTLFN_ARGS)
   1324  1.31.2.2  skrll {
   1325  1.31.2.2  skrll 	char *where = oldp;
   1326  1.31.2.2  skrll 	size_t len, maxlen;
   1327  1.31.2.2  skrll 	long beg, end;
   1328  1.31.2.2  skrll 	int error;
   1329  1.31.2.2  skrll 
   1330  1.31.2.2  skrll 	if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) {
   1331  1.31.2.2  skrll 		msgbufenabled = 0;
   1332  1.31.2.2  skrll 		return (ENXIO);
   1333  1.31.2.2  skrll 	}
   1334  1.31.2.2  skrll 
   1335  1.31.2.2  skrll 	switch (rnode->sysctl_num) {
   1336  1.31.2.2  skrll 	case KERN_MSGBUFSIZE: {
   1337  1.31.2.2  skrll 		struct sysctlnode node = *rnode;
   1338  1.31.2.2  skrll 		int msg_bufs = (int)msgbufp->msg_bufs;
   1339  1.31.2.2  skrll 		node.sysctl_data = &msg_bufs;
   1340  1.31.2.2  skrll 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1341  1.31.2.2  skrll 	}
   1342  1.31.2.2  skrll 	case KERN_MSGBUF:
   1343  1.31.2.2  skrll 		break;
   1344  1.31.2.2  skrll 	default:
   1345  1.31.2.2  skrll 		return (EOPNOTSUPP);
   1346  1.31.2.2  skrll 	}
   1347  1.31.2.2  skrll 
   1348  1.31.2.2  skrll 	if (newp != NULL)
   1349  1.31.2.2  skrll 		return (EPERM);
   1350  1.31.2.2  skrll 
   1351  1.31.2.2  skrll         if (oldp == NULL) {
   1352  1.31.2.2  skrll 		/* always return full buffer size */
   1353  1.31.2.2  skrll 		*oldlenp = msgbufp->msg_bufs;
   1354  1.31.2.2  skrll 		return (0);
   1355  1.31.2.2  skrll         }
   1356  1.31.2.2  skrll 
   1357  1.31.2.2  skrll 	error = 0;
   1358  1.31.2.2  skrll 	maxlen = MIN(msgbufp->msg_bufs, *oldlenp);
   1359  1.31.2.2  skrll 
   1360  1.31.2.2  skrll 	/*
   1361  1.31.2.2  skrll 	 * First, copy from the write pointer to the end of
   1362  1.31.2.2  skrll 	 * message buffer.
   1363  1.31.2.2  skrll 	 */
   1364  1.31.2.2  skrll 	beg = msgbufp->msg_bufx;
   1365  1.31.2.2  skrll 	end = msgbufp->msg_bufs;
   1366  1.31.2.2  skrll 	while (maxlen > 0) {
   1367  1.31.2.2  skrll 		len = MIN(end - beg, maxlen);
   1368  1.31.2.2  skrll 		if (len == 0)
   1369  1.31.2.2  skrll 			break;
   1370  1.31.2.2  skrll 		error = copyout(&msgbufp->msg_bufc[beg], where, len);
   1371  1.31.2.2  skrll 		if (error)
   1372  1.31.2.2  skrll 			break;
   1373  1.31.2.2  skrll 		where += len;
   1374  1.31.2.2  skrll 		maxlen -= len;
   1375  1.31.2.2  skrll 
   1376  1.31.2.2  skrll 		/*
   1377  1.31.2.2  skrll 		 * ... then, copy from the beginning of message buffer to
   1378  1.31.2.2  skrll 		 * the write pointer.
   1379  1.31.2.2  skrll 		 */
   1380  1.31.2.2  skrll 		beg = 0;
   1381  1.31.2.2  skrll 		end = msgbufp->msg_bufx;
   1382  1.31.2.2  skrll 	}
   1383  1.31.2.2  skrll 
   1384  1.31.2.2  skrll 	return (error);
   1385  1.31.2.2  skrll }
   1386  1.31.2.2  skrll 
   1387  1.31.2.2  skrll /*
   1388  1.31.2.2  skrll  * sysctl helper routine for kern.defcorename.  in the case of a new
   1389  1.31.2.2  skrll  * string being assigned, check that it's not a zero-length string.
   1390  1.31.2.2  skrll  * (XXX the check in -current doesn't work, but do we really care?)
   1391  1.31.2.2  skrll  */
   1392  1.31.2.2  skrll static int
   1393  1.31.2.2  skrll sysctl_kern_defcorename(SYSCTLFN_ARGS)
   1394  1.31.2.2  skrll {
   1395  1.31.2.2  skrll 	int error;
   1396  1.31.2.2  skrll 	char newcorename[MAXPATHLEN];
   1397  1.31.2.2  skrll 	struct sysctlnode node;
   1398  1.31.2.2  skrll 
   1399  1.31.2.2  skrll 	node = *rnode;
   1400  1.31.2.2  skrll 	node.sysctl_data = &newcorename[0];
   1401  1.31.2.2  skrll 	memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN);
   1402  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1403  1.31.2.2  skrll 	if (error || newp == NULL)
   1404  1.31.2.2  skrll 		return (error);
   1405  1.31.2.2  skrll 
   1406  1.31.2.2  skrll 	/*
   1407  1.31.2.2  skrll 	 * when sysctl_lookup() deals with a string, it's guaranteed
   1408  1.31.2.2  skrll 	 * to come back nul terminated.  so there.  :)
   1409  1.31.2.2  skrll 	 */
   1410  1.31.2.2  skrll 	if (strlen(newcorename) == 0)
   1411  1.31.2.2  skrll 		return (EINVAL);
   1412  1.31.2.2  skrll 
   1413  1.31.2.2  skrll 	memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN);
   1414  1.31.2.2  skrll 
   1415  1.31.2.2  skrll 	return (0);
   1416  1.31.2.2  skrll }
   1417  1.31.2.2  skrll 
   1418  1.31.2.2  skrll /*
   1419  1.31.2.2  skrll  * sysctl helper routine for kern.cp_time node.  adds up cpu time
   1420  1.31.2.2  skrll  * across all cpus.
   1421  1.31.2.2  skrll  */
   1422  1.31.2.2  skrll static int
   1423  1.31.2.2  skrll sysctl_kern_cptime(SYSCTLFN_ARGS)
   1424  1.31.2.2  skrll {
   1425  1.31.2.2  skrll 	struct sysctlnode node = *rnode;
   1426  1.31.2.2  skrll 
   1427  1.31.2.2  skrll #ifndef MULTIPROCESSOR
   1428  1.31.2.2  skrll 
   1429  1.31.2.2  skrll 	if (namelen == 1) {
   1430  1.31.2.2  skrll 		if (name[0] != 0)
   1431  1.31.2.2  skrll 			return (ENOENT);
   1432  1.31.2.2  skrll 		/*
   1433  1.31.2.2  skrll 		 * you're allowed to ask for the zero'th processor
   1434  1.31.2.2  skrll 		 */
   1435  1.31.2.2  skrll 		name++;
   1436  1.31.2.2  skrll 		namelen--;
   1437  1.31.2.2  skrll 	}
   1438  1.31.2.2  skrll 	node.sysctl_data = curcpu()->ci_schedstate.spc_cp_time;
   1439  1.31.2.2  skrll 	node.sysctl_size = sizeof(curcpu()->ci_schedstate.spc_cp_time);
   1440  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1441  1.31.2.2  skrll 
   1442  1.31.2.2  skrll #else /* MULTIPROCESSOR */
   1443  1.31.2.2  skrll 
   1444  1.31.2.2  skrll 	u_int64_t *cp_time = NULL;
   1445  1.31.2.2  skrll 	int error, n = sysctl_ncpus(), i;
   1446  1.31.2.2  skrll 	struct cpu_info *ci;
   1447  1.31.2.2  skrll 	CPU_INFO_ITERATOR cii;
   1448  1.31.2.2  skrll 
   1449  1.31.2.2  skrll 	/*
   1450  1.31.2.2  skrll 	 * if you specifically pass a buffer that is the size of the
   1451  1.31.2.2  skrll 	 * sum, or if you are probing for the size, you get the "sum"
   1452  1.31.2.2  skrll 	 * of cp_time (and the size thereof) across all processors.
   1453  1.31.2.2  skrll 	 *
   1454  1.31.2.2  skrll 	 * alternately, you can pass an additional mib number and get
   1455  1.31.2.2  skrll 	 * cp_time for that particular processor.
   1456  1.31.2.2  skrll 	 */
   1457  1.31.2.2  skrll 	switch (namelen) {
   1458  1.31.2.2  skrll 	case 0:
   1459  1.31.2.2  skrll 	    	if (*oldlenp == sizeof(u_int64_t) * CPUSTATES || oldp == NULL) {
   1460  1.31.2.2  skrll 			node.sysctl_size = sizeof(u_int64_t) * CPUSTATES;
   1461  1.31.2.2  skrll 			n = -1; /* SUM */
   1462  1.31.2.2  skrll 		}
   1463  1.31.2.2  skrll 		else {
   1464  1.31.2.2  skrll 			node.sysctl_size = n * sizeof(u_int64_t) * CPUSTATES;
   1465  1.31.2.2  skrll 			n = -2; /* ALL */
   1466  1.31.2.2  skrll 		}
   1467  1.31.2.2  skrll 		break;
   1468  1.31.2.2  skrll 	case 1:
   1469  1.31.2.2  skrll 		if (name[0] < 0 || name[0] >= n)
   1470  1.31.2.2  skrll 			return (ENOENT); /* ENOSUCHPROCESSOR */
   1471  1.31.2.2  skrll 		node.sysctl_size = sizeof(u_int64_t) * CPUSTATES;
   1472  1.31.2.2  skrll 		n = name[0];
   1473  1.31.2.2  skrll 		/*
   1474  1.31.2.2  skrll 		 * adjust these so that sysctl_lookup() will be happy
   1475  1.31.2.2  skrll 		 */
   1476  1.31.2.2  skrll 		name++;
   1477  1.31.2.2  skrll 		namelen--;
   1478  1.31.2.2  skrll 		break;
   1479  1.31.2.2  skrll 	default:
   1480  1.31.2.2  skrll 		return (EINVAL);
   1481  1.31.2.2  skrll 	}
   1482  1.31.2.2  skrll 
   1483  1.31.2.2  skrll 	cp_time = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL);
   1484  1.31.2.2  skrll 	if (cp_time == NULL)
   1485  1.31.2.2  skrll 		return (ENOMEM);
   1486  1.31.2.2  skrll 	node.sysctl_data = cp_time;
   1487  1.31.2.2  skrll 	memset(cp_time, 0, node.sysctl_size);
   1488  1.31.2.2  skrll 
   1489  1.31.2.2  skrll 	for (CPU_INFO_FOREACH(cii, ci)) {
   1490  1.31.2.2  skrll 		if (n <= 0)
   1491  1.31.2.2  skrll 			for (i = 0; i < CPUSTATES; i++)
   1492  1.31.2.2  skrll 				cp_time[i] += ci->ci_schedstate.spc_cp_time[i];
   1493  1.31.2.2  skrll 		/*
   1494  1.31.2.2  skrll 		 * if a specific processor was requested and we just
   1495  1.31.2.2  skrll 		 * did it, we're done here
   1496  1.31.2.2  skrll 		 */
   1497  1.31.2.2  skrll 		if (n == 0)
   1498  1.31.2.2  skrll 			break;
   1499  1.31.2.2  skrll 		/*
   1500  1.31.2.2  skrll 		 * if doing "all", skip to next cp_time set for next processor
   1501  1.31.2.2  skrll 		 */
   1502  1.31.2.2  skrll 		if (n == -2)
   1503  1.31.2.2  skrll 			cp_time += CPUSTATES;
   1504  1.31.2.2  skrll 		/*
   1505  1.31.2.2  skrll 		 * if we're doing a specific processor, we're one
   1506  1.31.2.2  skrll 		 * processor closer
   1507  1.31.2.2  skrll 		 */
   1508  1.31.2.2  skrll 		if (n > 0)
   1509  1.31.2.2  skrll 			n--;
   1510  1.31.2.2  skrll 	}
   1511  1.31.2.2  skrll 
   1512  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1513  1.31.2.2  skrll 	free(node.sysctl_data, M_TEMP);
   1514  1.31.2.2  skrll 	return (error);
   1515  1.31.2.2  skrll 
   1516  1.31.2.2  skrll #endif /* MULTIPROCESSOR */
   1517  1.31.2.2  skrll }
   1518  1.31.2.2  skrll 
   1519  1.31.2.2  skrll #if defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM)
   1520  1.31.2.2  skrll /*
   1521  1.31.2.2  skrll  * sysctl helper routine for kern.sysvipc_info subtree.
   1522  1.31.2.2  skrll  */
   1523  1.31.2.2  skrll 
   1524  1.31.2.2  skrll #define	FILL_PERM(src, dst) do { \
   1525  1.31.2.2  skrll 	(dst)._key = (src)._key; \
   1526  1.31.2.2  skrll 	(dst).uid = (src).uid; \
   1527  1.31.2.2  skrll 	(dst).gid = (src).gid; \
   1528  1.31.2.2  skrll 	(dst).cuid = (src).cuid; \
   1529  1.31.2.2  skrll 	(dst).cgid = (src).cgid; \
   1530  1.31.2.2  skrll 	(dst).mode = (src).mode; \
   1531  1.31.2.2  skrll 	(dst)._seq = (src)._seq; \
   1532  1.31.2.2  skrll } while (/*CONSTCOND*/ 0);
   1533  1.31.2.2  skrll #define	FILL_MSG(src, dst) do { \
   1534  1.31.2.2  skrll 	FILL_PERM((src).msg_perm, (dst).msg_perm); \
   1535  1.31.2.2  skrll 	(dst).msg_qnum = (src).msg_qnum; \
   1536  1.31.2.2  skrll 	(dst).msg_qbytes = (src).msg_qbytes; \
   1537  1.31.2.2  skrll 	(dst)._msg_cbytes = (src)._msg_cbytes; \
   1538  1.31.2.2  skrll 	(dst).msg_lspid = (src).msg_lspid; \
   1539  1.31.2.2  skrll 	(dst).msg_lrpid = (src).msg_lrpid; \
   1540  1.31.2.2  skrll 	(dst).msg_stime = (src).msg_stime; \
   1541  1.31.2.2  skrll 	(dst).msg_rtime = (src).msg_rtime; \
   1542  1.31.2.2  skrll 	(dst).msg_ctime = (src).msg_ctime; \
   1543  1.31.2.2  skrll } while (/*CONSTCOND*/ 0)
   1544  1.31.2.2  skrll #define	FILL_SEM(src, dst) do { \
   1545  1.31.2.2  skrll 	FILL_PERM((src).sem_perm, (dst).sem_perm); \
   1546  1.31.2.2  skrll 	(dst).sem_nsems = (src).sem_nsems; \
   1547  1.31.2.2  skrll 	(dst).sem_otime = (src).sem_otime; \
   1548  1.31.2.2  skrll 	(dst).sem_ctime = (src).sem_ctime; \
   1549  1.31.2.2  skrll } while (/*CONSTCOND*/ 0)
   1550  1.31.2.2  skrll #define	FILL_SHM(src, dst) do { \
   1551  1.31.2.2  skrll 	FILL_PERM((src).shm_perm, (dst).shm_perm); \
   1552  1.31.2.2  skrll 	(dst).shm_segsz = (src).shm_segsz; \
   1553  1.31.2.2  skrll 	(dst).shm_lpid = (src).shm_lpid; \
   1554  1.31.2.2  skrll 	(dst).shm_cpid = (src).shm_cpid; \
   1555  1.31.2.2  skrll 	(dst).shm_atime = (src).shm_atime; \
   1556  1.31.2.2  skrll 	(dst).shm_dtime = (src).shm_dtime; \
   1557  1.31.2.2  skrll 	(dst).shm_ctime = (src).shm_ctime; \
   1558  1.31.2.2  skrll 	(dst).shm_nattch = (src).shm_nattch; \
   1559  1.31.2.2  skrll } while (/*CONSTCOND*/ 0)
   1560  1.31.2.2  skrll 
   1561  1.31.2.2  skrll static int
   1562  1.31.2.2  skrll sysctl_kern_sysvipc(SYSCTLFN_ARGS)
   1563  1.31.2.2  skrll {
   1564  1.31.2.2  skrll 	void *where = oldp;
   1565  1.31.2.2  skrll 	size_t *sizep = oldlenp;
   1566  1.31.2.2  skrll #ifdef SYSVMSG
   1567  1.31.2.2  skrll 	struct msg_sysctl_info *msgsi = NULL;
   1568  1.31.2.2  skrll #endif
   1569  1.31.2.2  skrll #ifdef SYSVSEM
   1570  1.31.2.2  skrll 	struct sem_sysctl_info *semsi = NULL;
   1571  1.31.2.2  skrll #endif
   1572  1.31.2.2  skrll #ifdef SYSVSHM
   1573  1.31.2.2  skrll 	struct shm_sysctl_info *shmsi = NULL;
   1574  1.31.2.2  skrll #endif
   1575  1.31.2.2  skrll 	size_t infosize, dssize, tsize, buflen;
   1576  1.31.2.8  skrll 	void *bf = NULL;
   1577  1.31.2.2  skrll 	char *start;
   1578  1.31.2.2  skrll 	int32_t nds;
   1579  1.31.2.2  skrll 	int i, error, ret;
   1580  1.31.2.2  skrll 
   1581  1.31.2.2  skrll 	if (namelen != 1)
   1582  1.31.2.2  skrll 		return (EINVAL);
   1583  1.31.2.2  skrll 
   1584  1.31.2.2  skrll 	start = where;
   1585  1.31.2.2  skrll 	buflen = *sizep;
   1586  1.31.2.2  skrll 
   1587  1.31.2.2  skrll 	switch (*name) {
   1588  1.31.2.2  skrll 	case KERN_SYSVIPC_MSG_INFO:
   1589  1.31.2.2  skrll #ifdef SYSVMSG
   1590  1.31.2.2  skrll 		infosize = sizeof(msgsi->msginfo);
   1591  1.31.2.2  skrll 		nds = msginfo.msgmni;
   1592  1.31.2.2  skrll 		dssize = sizeof(msgsi->msgids[0]);
   1593  1.31.2.2  skrll 		break;
   1594  1.31.2.2  skrll #else
   1595  1.31.2.2  skrll 		return (EINVAL);
   1596  1.31.2.2  skrll #endif
   1597  1.31.2.2  skrll 	case KERN_SYSVIPC_SEM_INFO:
   1598  1.31.2.2  skrll #ifdef SYSVSEM
   1599  1.31.2.2  skrll 		infosize = sizeof(semsi->seminfo);
   1600  1.31.2.2  skrll 		nds = seminfo.semmni;
   1601  1.31.2.2  skrll 		dssize = sizeof(semsi->semids[0]);
   1602  1.31.2.2  skrll 		break;
   1603  1.31.2.2  skrll #else
   1604  1.31.2.2  skrll 		return (EINVAL);
   1605  1.31.2.2  skrll #endif
   1606  1.31.2.2  skrll 	case KERN_SYSVIPC_SHM_INFO:
   1607  1.31.2.2  skrll #ifdef SYSVSHM
   1608  1.31.2.2  skrll 		infosize = sizeof(shmsi->shminfo);
   1609  1.31.2.2  skrll 		nds = shminfo.shmmni;
   1610  1.31.2.2  skrll 		dssize = sizeof(shmsi->shmids[0]);
   1611  1.31.2.2  skrll 		break;
   1612  1.31.2.2  skrll #else
   1613  1.31.2.2  skrll 		return (EINVAL);
   1614  1.31.2.2  skrll #endif
   1615  1.31.2.2  skrll 	default:
   1616  1.31.2.2  skrll 		return (EINVAL);
   1617  1.31.2.2  skrll 	}
   1618  1.31.2.2  skrll 	/*
   1619  1.31.2.2  skrll 	 * Round infosize to 64 bit boundary if requesting more than just
   1620  1.31.2.2  skrll 	 * the info structure or getting the total data size.
   1621  1.31.2.2  skrll 	 */
   1622  1.31.2.2  skrll 	if (where == NULL || *sizep > infosize)
   1623  1.31.2.2  skrll 		infosize = ((infosize + 7) / 8) * 8;
   1624  1.31.2.2  skrll 	tsize = infosize + nds * dssize;
   1625  1.31.2.2  skrll 
   1626  1.31.2.2  skrll 	/* Return just the total size required. */
   1627  1.31.2.2  skrll 	if (where == NULL) {
   1628  1.31.2.2  skrll 		*sizep = tsize;
   1629  1.31.2.2  skrll 		return (0);
   1630  1.31.2.2  skrll 	}
   1631  1.31.2.2  skrll 
   1632  1.31.2.2  skrll 	/* Not enough room for even the info struct. */
   1633  1.31.2.2  skrll 	if (buflen < infosize) {
   1634  1.31.2.2  skrll 		*sizep = 0;
   1635  1.31.2.2  skrll 		return (ENOMEM);
   1636  1.31.2.2  skrll 	}
   1637  1.31.2.8  skrll 	bf = malloc(min(tsize, buflen), M_TEMP, M_WAITOK);
   1638  1.31.2.8  skrll 	memset(bf, 0, min(tsize, buflen));
   1639  1.31.2.2  skrll 
   1640  1.31.2.2  skrll 	switch (*name) {
   1641  1.31.2.2  skrll #ifdef SYSVMSG
   1642  1.31.2.2  skrll 	case KERN_SYSVIPC_MSG_INFO:
   1643  1.31.2.8  skrll 		msgsi = (struct msg_sysctl_info *)bf;
   1644  1.31.2.2  skrll 		msgsi->msginfo = msginfo;
   1645  1.31.2.2  skrll 		break;
   1646  1.31.2.2  skrll #endif
   1647  1.31.2.2  skrll #ifdef SYSVSEM
   1648  1.31.2.2  skrll 	case KERN_SYSVIPC_SEM_INFO:
   1649  1.31.2.8  skrll 		semsi = (struct sem_sysctl_info *)bf;
   1650  1.31.2.2  skrll 		semsi->seminfo = seminfo;
   1651  1.31.2.2  skrll 		break;
   1652  1.31.2.2  skrll #endif
   1653  1.31.2.2  skrll #ifdef SYSVSHM
   1654  1.31.2.2  skrll 	case KERN_SYSVIPC_SHM_INFO:
   1655  1.31.2.8  skrll 		shmsi = (struct shm_sysctl_info *)bf;
   1656  1.31.2.2  skrll 		shmsi->shminfo = shminfo;
   1657  1.31.2.2  skrll 		break;
   1658  1.31.2.2  skrll #endif
   1659  1.31.2.2  skrll 	}
   1660  1.31.2.2  skrll 	buflen -= infosize;
   1661  1.31.2.2  skrll 
   1662  1.31.2.2  skrll 	ret = 0;
   1663  1.31.2.2  skrll 	if (buflen > 0) {
   1664  1.31.2.2  skrll 		/* Fill in the IPC data structures.  */
   1665  1.31.2.2  skrll 		for (i = 0; i < nds; i++) {
   1666  1.31.2.2  skrll 			if (buflen < dssize) {
   1667  1.31.2.2  skrll 				ret = ENOMEM;
   1668  1.31.2.2  skrll 				break;
   1669  1.31.2.2  skrll 			}
   1670  1.31.2.2  skrll 			switch (*name) {
   1671  1.31.2.2  skrll #ifdef SYSVMSG
   1672  1.31.2.2  skrll 			case KERN_SYSVIPC_MSG_INFO:
   1673  1.31.2.2  skrll 				FILL_MSG(msqids[i], msgsi->msgids[i]);
   1674  1.31.2.2  skrll 				break;
   1675  1.31.2.2  skrll #endif
   1676  1.31.2.2  skrll #ifdef SYSVSEM
   1677  1.31.2.2  skrll 			case KERN_SYSVIPC_SEM_INFO:
   1678  1.31.2.2  skrll 				FILL_SEM(sema[i], semsi->semids[i]);
   1679  1.31.2.2  skrll 				break;
   1680  1.31.2.2  skrll #endif
   1681  1.31.2.2  skrll #ifdef SYSVSHM
   1682  1.31.2.2  skrll 			case KERN_SYSVIPC_SHM_INFO:
   1683  1.31.2.2  skrll 				FILL_SHM(shmsegs[i], shmsi->shmids[i]);
   1684  1.31.2.2  skrll 				break;
   1685  1.31.2.2  skrll #endif
   1686  1.31.2.2  skrll 			}
   1687  1.31.2.2  skrll 			buflen -= dssize;
   1688  1.31.2.2  skrll 		}
   1689  1.31.2.2  skrll 	}
   1690  1.31.2.2  skrll 	*sizep -= buflen;
   1691  1.31.2.8  skrll 	error = copyout(bf, start, *sizep);
   1692  1.31.2.2  skrll 	/* If copyout succeeded, use return code set earlier. */
   1693  1.31.2.2  skrll 	if (error == 0)
   1694  1.31.2.2  skrll 		error = ret;
   1695  1.31.2.8  skrll 	if (bf)
   1696  1.31.2.8  skrll 		free(bf, M_TEMP);
   1697  1.31.2.2  skrll 	return (error);
   1698  1.31.2.2  skrll }
   1699  1.31.2.2  skrll 
   1700  1.31.2.2  skrll #undef FILL_PERM
   1701  1.31.2.2  skrll #undef FILL_MSG
   1702  1.31.2.2  skrll #undef FILL_SEM
   1703  1.31.2.2  skrll #undef FILL_SHM
   1704  1.31.2.2  skrll 
   1705  1.31.2.2  skrll #endif /* defined(SYSVMSG) || defined(SYSVSEM) || defined(SYSVSHM) */
   1706  1.31.2.2  skrll 
   1707  1.31.2.2  skrll #if NPTY > 0
   1708  1.31.2.2  skrll /*
   1709  1.31.2.2  skrll  * sysctl helper routine for kern.maxptys.  ensures that any new value
   1710  1.31.2.2  skrll  * is acceptable to the pty subsystem.
   1711  1.31.2.2  skrll  */
   1712  1.31.2.2  skrll static int
   1713  1.31.2.2  skrll sysctl_kern_maxptys(SYSCTLFN_ARGS)
   1714  1.31.2.2  skrll {
   1715  1.31.2.2  skrll 	int pty_maxptys(int, int);		/* defined in kern/tty_pty.c */
   1716  1.31.2.8  skrll 	int error, xmax;
   1717  1.31.2.2  skrll 	struct sysctlnode node;
   1718  1.31.2.2  skrll 
   1719  1.31.2.2  skrll 	/* get current value of maxptys */
   1720  1.31.2.8  skrll 	xmax = pty_maxptys(0, 0);
   1721  1.31.2.2  skrll 
   1722  1.31.2.2  skrll 	node = *rnode;
   1723  1.31.2.8  skrll 	node.sysctl_data = &xmax;
   1724  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1725  1.31.2.2  skrll 	if (error || newp == NULL)
   1726  1.31.2.2  skrll 		return (error);
   1727  1.31.2.6  skrll 
   1728  1.31.2.8  skrll 	if (xmax != pty_maxptys(xmax, 1))
   1729  1.31.2.2  skrll 		return (EINVAL);
   1730  1.31.2.2  skrll 
   1731  1.31.2.2  skrll 	return (0);
   1732  1.31.2.2  skrll }
   1733  1.31.2.2  skrll #endif /* NPTY > 0 */
   1734  1.31.2.2  skrll 
   1735  1.31.2.2  skrll /*
   1736  1.31.2.2  skrll  * sysctl helper routine for kern.sbmax.  basically just ensures that
   1737  1.31.2.2  skrll  * any new value is not too small.
   1738  1.31.2.2  skrll  */
   1739  1.31.2.2  skrll static int
   1740  1.31.2.2  skrll sysctl_kern_sbmax(SYSCTLFN_ARGS)
   1741  1.31.2.2  skrll {
   1742  1.31.2.2  skrll 	int error, new_sbmax;
   1743  1.31.2.2  skrll 	struct sysctlnode node;
   1744  1.31.2.2  skrll 
   1745  1.31.2.2  skrll 	new_sbmax = sb_max;
   1746  1.31.2.2  skrll 	node = *rnode;
   1747  1.31.2.2  skrll 	node.sysctl_data = &new_sbmax;
   1748  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1749  1.31.2.2  skrll 	if (error || newp == NULL)
   1750  1.31.2.2  skrll 		return (error);
   1751  1.31.2.2  skrll 
   1752  1.31.2.2  skrll 	error = sb_max_set(new_sbmax);
   1753  1.31.2.2  skrll 
   1754  1.31.2.2  skrll 	return (error);
   1755  1.31.2.2  skrll }
   1756  1.31.2.2  skrll 
   1757  1.31.2.2  skrll /*
   1758  1.31.2.2  skrll  * sysctl helper routine for kern.urandom node.  picks a random number
   1759  1.31.2.2  skrll  * for you.
   1760  1.31.2.2  skrll  */
   1761  1.31.2.2  skrll static int
   1762  1.31.2.2  skrll sysctl_kern_urnd(SYSCTLFN_ARGS)
   1763  1.31.2.2  skrll {
   1764  1.31.2.2  skrll #if NRND > 0
   1765  1.31.2.2  skrll 	int v;
   1766  1.31.2.2  skrll 
   1767  1.31.2.2  skrll 	if (rnd_extract_data(&v, sizeof(v), RND_EXTRACT_ANY) == sizeof(v)) {
   1768  1.31.2.2  skrll 		struct sysctlnode node = *rnode;
   1769  1.31.2.2  skrll 		node.sysctl_data = &v;
   1770  1.31.2.2  skrll 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1771  1.31.2.2  skrll 	}
   1772  1.31.2.2  skrll 	else
   1773  1.31.2.2  skrll 		return (EIO);	/*XXX*/
   1774  1.31.2.2  skrll #else
   1775  1.31.2.2  skrll 	return (EOPNOTSUPP);
   1776  1.31.2.2  skrll #endif
   1777  1.31.2.2  skrll }
   1778  1.31.2.2  skrll 
   1779  1.31.2.2  skrll /*
   1780  1.31.2.2  skrll  * sysctl helper routine to do kern.lwp.* work.
   1781  1.31.2.2  skrll  */
   1782  1.31.2.2  skrll static int
   1783  1.31.2.2  skrll sysctl_kern_lwp(SYSCTLFN_ARGS)
   1784  1.31.2.2  skrll {
   1785  1.31.2.2  skrll 	struct kinfo_lwp klwp;
   1786  1.31.2.2  skrll 	struct proc *p;
   1787  1.31.2.2  skrll 	struct lwp *l2;
   1788  1.31.2.2  skrll 	char *where, *dp;
   1789  1.31.2.2  skrll 	int pid, elem_size, elem_count;
   1790  1.31.2.2  skrll 	int buflen, needed, error;
   1791  1.31.2.2  skrll 
   1792  1.31.2.2  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   1793  1.31.2.2  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   1794  1.31.2.2  skrll 
   1795  1.31.2.2  skrll 	dp = where = oldp;
   1796  1.31.2.2  skrll 	buflen = where != NULL ? *oldlenp : 0;
   1797  1.31.2.2  skrll 	error = needed = 0;
   1798  1.31.2.2  skrll 
   1799  1.31.2.2  skrll 	if (newp != NULL || namelen != 3)
   1800  1.31.2.2  skrll 		return (EINVAL);
   1801  1.31.2.2  skrll 	pid = name[0];
   1802  1.31.2.2  skrll 	elem_size = name[1];
   1803  1.31.2.2  skrll 	elem_count = name[2];
   1804  1.31.2.2  skrll 
   1805  1.31.2.2  skrll 	p = pfind(pid);
   1806  1.31.2.2  skrll 	if (p == NULL)
   1807  1.31.2.2  skrll 		return (ESRCH);
   1808  1.31.2.2  skrll 	LIST_FOREACH(l2, &p->p_lwps, l_sibling) {
   1809  1.31.2.2  skrll 		if (buflen >= elem_size && elem_count > 0) {
   1810  1.31.2.2  skrll 			fill_lwp(l2, &klwp);
   1811  1.31.2.2  skrll 			/*
   1812  1.31.2.2  skrll 			 * Copy out elem_size, but not larger than
   1813  1.31.2.2  skrll 			 * the size of a struct kinfo_proc2.
   1814  1.31.2.2  skrll 			 */
   1815  1.31.2.2  skrll 			error = copyout(&klwp, dp,
   1816  1.31.2.2  skrll 			    min(sizeof(klwp), elem_size));
   1817  1.31.2.2  skrll 			if (error)
   1818  1.31.2.2  skrll 				goto cleanup;
   1819  1.31.2.2  skrll 			dp += elem_size;
   1820  1.31.2.2  skrll 			buflen -= elem_size;
   1821  1.31.2.2  skrll 			elem_count--;
   1822  1.31.2.2  skrll 		}
   1823  1.31.2.2  skrll 		needed += elem_size;
   1824  1.31.2.2  skrll 	}
   1825  1.31.2.2  skrll 
   1826  1.31.2.2  skrll 	if (where != NULL) {
   1827  1.31.2.2  skrll 		*oldlenp = dp - where;
   1828  1.31.2.2  skrll 		if (needed > *oldlenp)
   1829  1.31.2.2  skrll 			return (ENOMEM);
   1830  1.31.2.2  skrll 	} else {
   1831  1.31.2.2  skrll 		needed += KERN_LWPSLOP;
   1832  1.31.2.2  skrll 		*oldlenp = needed;
   1833  1.31.2.2  skrll 	}
   1834  1.31.2.2  skrll 	return (0);
   1835  1.31.2.2  skrll  cleanup:
   1836  1.31.2.2  skrll 	return (error);
   1837  1.31.2.2  skrll }
   1838  1.31.2.2  skrll 
   1839  1.31.2.2  skrll /*
   1840  1.31.2.2  skrll  * sysctl helper routine for kern.forkfsleep node.  ensures that the
   1841  1.31.2.2  skrll  * given value is not too large or two small, and is at least one
   1842  1.31.2.2  skrll  * timer tick if not zero.
   1843  1.31.2.2  skrll  */
   1844  1.31.2.2  skrll static int
   1845  1.31.2.2  skrll sysctl_kern_forkfsleep(SYSCTLFN_ARGS)
   1846  1.31.2.2  skrll {
   1847  1.31.2.2  skrll 	/* userland sees value in ms, internally is in ticks */
   1848  1.31.2.2  skrll 	extern int forkfsleep;		/* defined in kern/kern_fork.c */
   1849  1.31.2.2  skrll 	int error, timo, lsleep;
   1850  1.31.2.2  skrll 	struct sysctlnode node;
   1851  1.31.2.2  skrll 
   1852  1.31.2.2  skrll 	lsleep = forkfsleep * 1000 / hz;
   1853  1.31.2.2  skrll 	node = *rnode;
   1854  1.31.2.2  skrll 	node.sysctl_data = &lsleep;
   1855  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   1856  1.31.2.2  skrll 	if (error || newp == NULL)
   1857  1.31.2.2  skrll 		return (error);
   1858  1.31.2.2  skrll 
   1859  1.31.2.2  skrll 	/* refuse negative values, and overly 'long time' */
   1860  1.31.2.2  skrll 	if (lsleep < 0 || lsleep > MAXSLP * 1000)
   1861  1.31.2.2  skrll 		return (EINVAL);
   1862  1.31.2.2  skrll 
   1863  1.31.2.2  skrll 	timo = mstohz(lsleep);
   1864  1.31.2.2  skrll 
   1865  1.31.2.2  skrll 	/* if the interval is >0 ms && <1 tick, use 1 tick */
   1866  1.31.2.2  skrll 	if (lsleep != 0 && timo == 0)
   1867  1.31.2.2  skrll 		forkfsleep = 1;
   1868  1.31.2.2  skrll 	else
   1869  1.31.2.2  skrll 		forkfsleep = timo;
   1870  1.31.2.2  skrll 
   1871  1.31.2.2  skrll 	return (0);
   1872  1.31.2.2  skrll }
   1873  1.31.2.2  skrll 
   1874  1.31.2.2  skrll /*
   1875  1.31.2.2  skrll  * sysctl helper routine for kern.root_partition
   1876  1.31.2.2  skrll  */
   1877  1.31.2.2  skrll static int
   1878  1.31.2.2  skrll sysctl_kern_root_partition(SYSCTLFN_ARGS)
   1879  1.31.2.2  skrll {
   1880  1.31.2.2  skrll 	int rootpart = DISKPART(rootdev);
   1881  1.31.2.2  skrll 	struct sysctlnode node = *rnode;
   1882  1.31.2.2  skrll 
   1883  1.31.2.2  skrll 	node.sysctl_data = &rootpart;
   1884  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   1885  1.31.2.2  skrll }
   1886  1.31.2.2  skrll 
   1887  1.31.2.2  skrll /*
   1888  1.31.2.2  skrll  * sysctl helper function for kern.drivers
   1889  1.31.2.2  skrll  */
   1890  1.31.2.2  skrll static int
   1891  1.31.2.2  skrll sysctl_kern_drivers(SYSCTLFN_ARGS)
   1892  1.31.2.2  skrll {
   1893  1.31.2.2  skrll 	int error;
   1894  1.31.2.2  skrll 	size_t buflen;
   1895  1.31.2.2  skrll 	struct kinfo_drivers kd;
   1896  1.31.2.2  skrll 	char *start, *where;
   1897  1.31.2.2  skrll 	const char *dname;
   1898  1.31.2.2  skrll 	int i;
   1899  1.31.2.2  skrll 	extern struct devsw_conv *devsw_conv;
   1900  1.31.2.2  skrll 	extern int max_devsw_convs;
   1901  1.31.2.2  skrll 
   1902  1.31.2.2  skrll 	if (newp != NULL || namelen != 0)
   1903  1.31.2.2  skrll 		return (EINVAL);
   1904  1.31.2.2  skrll 
   1905  1.31.2.2  skrll 	start = where = oldp;
   1906  1.31.2.2  skrll 	buflen = *oldlenp;
   1907  1.31.2.2  skrll 	if (where == NULL) {
   1908  1.31.2.2  skrll 		*oldlenp = max_devsw_convs * sizeof kd;
   1909  1.31.2.2  skrll 		return 0;
   1910  1.31.2.2  skrll 	}
   1911  1.31.2.2  skrll 
   1912  1.31.2.2  skrll 	/*
   1913  1.31.2.2  skrll 	 * An array of kinfo_drivers structures
   1914  1.31.2.2  skrll 	 */
   1915  1.31.2.2  skrll 	error = 0;
   1916  1.31.2.2  skrll 	for (i = 0; i < max_devsw_convs; i++) {
   1917  1.31.2.2  skrll 		dname = devsw_conv[i].d_name;
   1918  1.31.2.2  skrll 		if (dname == NULL)
   1919  1.31.2.2  skrll 			continue;
   1920  1.31.2.2  skrll 		if (buflen < sizeof kd) {
   1921  1.31.2.2  skrll 			error = ENOMEM;
   1922  1.31.2.2  skrll 			break;
   1923  1.31.2.2  skrll 		}
   1924  1.31.2.2  skrll 		memset(&kd, 0, sizeof(kd));
   1925  1.31.2.2  skrll 		kd.d_bmajor = devsw_conv[i].d_bmajor;
   1926  1.31.2.2  skrll 		kd.d_cmajor = devsw_conv[i].d_cmajor;
   1927  1.31.2.2  skrll 		strlcpy(kd.d_name, dname, sizeof kd.d_name);
   1928  1.31.2.2  skrll 		error = copyout(&kd, where, sizeof kd);
   1929  1.31.2.2  skrll 		if (error != 0)
   1930  1.31.2.2  skrll 			break;
   1931  1.31.2.2  skrll 		buflen -= sizeof kd;
   1932  1.31.2.2  skrll 		where += sizeof kd;
   1933  1.31.2.2  skrll 	}
   1934  1.31.2.2  skrll 	*oldlenp = where - start;
   1935  1.31.2.2  skrll 	return error;
   1936  1.31.2.2  skrll }
   1937  1.31.2.2  skrll 
   1938  1.31.2.7  skrll /*
   1939  1.31.2.7  skrll  * sysctl helper function for kern.file2
   1940  1.31.2.7  skrll  */
   1941  1.31.2.7  skrll static int
   1942  1.31.2.7  skrll sysctl_kern_file2(SYSCTLFN_ARGS)
   1943  1.31.2.7  skrll {
   1944  1.31.2.7  skrll 	struct proc *p;
   1945  1.31.2.7  skrll 	struct file *fp;
   1946  1.31.2.7  skrll 	struct filedesc *fd;
   1947  1.31.2.7  skrll 	struct kinfo_file kf;
   1948  1.31.2.7  skrll 	char *dp;
   1949  1.31.2.7  skrll 	u_int i, op;
   1950  1.31.2.7  skrll 	size_t len, needed, elem_size, out_size;
   1951  1.31.2.7  skrll 	int error, arg, elem_count;
   1952  1.31.2.7  skrll 
   1953  1.31.2.7  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   1954  1.31.2.7  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   1955  1.31.2.7  skrll 
   1956  1.31.2.7  skrll 	if (namelen != 4)
   1957  1.31.2.7  skrll 		return (EINVAL);
   1958  1.31.2.7  skrll 
   1959  1.31.2.7  skrll 	error = 0;
   1960  1.31.2.7  skrll 	dp = oldp;
   1961  1.31.2.7  skrll 	len = (oldp != NULL) ? *oldlenp : 0;
   1962  1.31.2.7  skrll 	op = name[0];
   1963  1.31.2.7  skrll 	arg = name[1];
   1964  1.31.2.7  skrll 	elem_size = name[2];
   1965  1.31.2.7  skrll 	elem_count = name[3];
   1966  1.31.2.7  skrll 	out_size = MIN(sizeof(kf), elem_size);
   1967  1.31.2.7  skrll 	needed = 0;
   1968  1.31.2.7  skrll 
   1969  1.31.2.7  skrll 	if (elem_size < 1 || elem_count < 0)
   1970  1.31.2.7  skrll 		return (EINVAL);
   1971  1.31.2.7  skrll 
   1972  1.31.2.7  skrll 	switch (op) {
   1973  1.31.2.7  skrll 	case KERN_FILE_BYFILE:
   1974  1.31.2.7  skrll 		/*
   1975  1.31.2.7  skrll 		 * doesn't use arg so it must be zero
   1976  1.31.2.7  skrll 		 */
   1977  1.31.2.7  skrll 		if (arg != 0)
   1978  1.31.2.7  skrll 			return (EINVAL);
   1979  1.31.2.7  skrll 		LIST_FOREACH(fp, &filehead, f_list) {
   1980  1.31.2.8  skrll 			if (CURTAIN(l->l_proc->p_ucred->cr_uid,
   1981  1.31.2.8  skrll 				    fp->f_cred->cr_uid))
   1982  1.31.2.8  skrll 				continue;
   1983  1.31.2.7  skrll 			if (len >= elem_size && elem_count > 0) {
   1984  1.31.2.7  skrll 				fill_file(&kf, fp, NULL, 0);
   1985  1.31.2.7  skrll 				error = copyout(&kf, dp, out_size);
   1986  1.31.2.7  skrll 				if (error)
   1987  1.31.2.7  skrll 					break;
   1988  1.31.2.7  skrll 				dp += elem_size;
   1989  1.31.2.7  skrll 				len -= elem_size;
   1990  1.31.2.7  skrll 			}
   1991  1.31.2.7  skrll 			if (elem_count > 0) {
   1992  1.31.2.7  skrll 				needed += elem_size;
   1993  1.31.2.7  skrll 				if (elem_count != INT_MAX)
   1994  1.31.2.7  skrll 					elem_count--;
   1995  1.31.2.7  skrll 			}
   1996  1.31.2.7  skrll 		}
   1997  1.31.2.7  skrll 		break;
   1998  1.31.2.7  skrll 	    case KERN_FILE_BYPID:
   1999  1.31.2.7  skrll 		if (arg < -1)
   2000  1.31.2.7  skrll 			/* -1 means all processes */
   2001  1.31.2.7  skrll 			return (EINVAL);
   2002  1.31.2.7  skrll 		proclist_lock_read();
   2003  1.31.2.7  skrll 		PROCLIST_FOREACH(p, &allproc) {
   2004  1.31.2.7  skrll 			if (p->p_stat == SIDL)
   2005  1.31.2.7  skrll 				/* skip embryonic processes */
   2006  1.31.2.7  skrll 				continue;
   2007  1.31.2.8  skrll 			if (CURTAIN(l->l_proc->p_ucred->cr_uid,
   2008  1.31.2.8  skrll 				    p->p_ucred->cr_uid))
   2009  1.31.2.8  skrll 				continue;
   2010  1.31.2.7  skrll 			if (arg > 0 && p->p_pid != arg)
   2011  1.31.2.7  skrll 				/* pick only the one we want */
   2012  1.31.2.7  skrll 				/* XXX want 0 to mean "kernel files" */
   2013  1.31.2.7  skrll 				continue;
   2014  1.31.2.7  skrll 			fd = p->p_fd;
   2015  1.31.2.7  skrll 			for (i = 0; i < fd->fd_nfiles; i++) {
   2016  1.31.2.7  skrll 				fp = fd->fd_ofiles[i];
   2017  1.31.2.7  skrll 				if (fp == NULL || !FILE_IS_USABLE(fp))
   2018  1.31.2.7  skrll 					continue;
   2019  1.31.2.7  skrll 				if (len >= elem_size && elem_count > 0) {
   2020  1.31.2.7  skrll 					fill_file(&kf, fd->fd_ofiles[i],
   2021  1.31.2.7  skrll 						  p, i);
   2022  1.31.2.7  skrll 					error = copyout(&kf, dp, out_size);
   2023  1.31.2.7  skrll 					if (error)
   2024  1.31.2.7  skrll 						break;
   2025  1.31.2.7  skrll 					dp += elem_size;
   2026  1.31.2.7  skrll 					len -= elem_size;
   2027  1.31.2.7  skrll 				}
   2028  1.31.2.7  skrll 				if (elem_count > 0) {
   2029  1.31.2.7  skrll 					needed += elem_size;
   2030  1.31.2.7  skrll 					if (elem_count != INT_MAX)
   2031  1.31.2.7  skrll 						elem_count--;
   2032  1.31.2.7  skrll 				}
   2033  1.31.2.7  skrll 			}
   2034  1.31.2.7  skrll 		}
   2035  1.31.2.7  skrll 		proclist_unlock_read();
   2036  1.31.2.7  skrll 		break;
   2037  1.31.2.7  skrll 	default:
   2038  1.31.2.7  skrll 		return (EINVAL);
   2039  1.31.2.7  skrll 	}
   2040  1.31.2.7  skrll 
   2041  1.31.2.7  skrll 	if (oldp == NULL)
   2042  1.31.2.7  skrll 		needed += KERN_FILESLOP * elem_size;
   2043  1.31.2.7  skrll 	*oldlenp = needed;
   2044  1.31.2.7  skrll 
   2045  1.31.2.7  skrll 	return (error);
   2046  1.31.2.7  skrll }
   2047  1.31.2.7  skrll 
   2048  1.31.2.7  skrll static void
   2049  1.31.2.7  skrll fill_file(struct kinfo_file *kp, const struct file *fp, struct proc *p, int i)
   2050  1.31.2.7  skrll {
   2051  1.31.2.7  skrll 
   2052  1.31.2.7  skrll 	memset(kp, 0, sizeof(*kp));
   2053  1.31.2.7  skrll 
   2054  1.31.2.7  skrll 	kp->ki_fileaddr =	PTRTOUINT64(fp);
   2055  1.31.2.7  skrll 	kp->ki_flag =		fp->f_flag;
   2056  1.31.2.7  skrll 	kp->ki_iflags =		fp->f_iflags;
   2057  1.31.2.7  skrll 	kp->ki_ftype =		fp->f_type;
   2058  1.31.2.7  skrll 	kp->ki_count =		fp->f_count;
   2059  1.31.2.7  skrll 	kp->ki_msgcount =	fp->f_msgcount;
   2060  1.31.2.7  skrll 	kp->ki_usecount =	fp->f_usecount;
   2061  1.31.2.7  skrll 	kp->ki_fucred =		PTRTOUINT64(fp->f_cred);
   2062  1.31.2.7  skrll 	kp->ki_fuid =		fp->f_cred->cr_uid;
   2063  1.31.2.7  skrll 	kp->ki_fgid =		fp->f_cred->cr_gid;
   2064  1.31.2.7  skrll 	kp->ki_fops =		PTRTOUINT64(fp->f_ops);
   2065  1.31.2.7  skrll 	kp->ki_foffset =	fp->f_offset;
   2066  1.31.2.7  skrll 	kp->ki_fdata =		PTRTOUINT64(fp->f_data);
   2067  1.31.2.7  skrll 
   2068  1.31.2.7  skrll 	/* vnode information to glue this file to something */
   2069  1.31.2.7  skrll 	if (fp->f_type == DTYPE_VNODE) {
   2070  1.31.2.7  skrll 		struct vnode *vp = (struct vnode *)fp->f_data;
   2071  1.31.2.7  skrll 
   2072  1.31.2.7  skrll 		kp->ki_vun =	PTRTOUINT64(vp->v_un.vu_socket);
   2073  1.31.2.7  skrll 		kp->ki_vsize =	vp->v_size;
   2074  1.31.2.7  skrll 		kp->ki_vtype =	vp->v_type;
   2075  1.31.2.7  skrll 		kp->ki_vtag =	vp->v_tag;
   2076  1.31.2.7  skrll 		kp->ki_vdata =	PTRTOUINT64(vp->v_data);
   2077  1.31.2.7  skrll 	}
   2078  1.31.2.7  skrll 
   2079  1.31.2.7  skrll         /* process information when retrieved via KERN_FILE_BYPID */
   2080  1.31.2.7  skrll 	if (p) {
   2081  1.31.2.7  skrll 		kp->ki_pid =		p->p_pid;
   2082  1.31.2.7  skrll 		kp->ki_fd =		i;
   2083  1.31.2.7  skrll 		kp->ki_ofileflags =	p->p_fd->fd_ofileflags[i];
   2084  1.31.2.7  skrll 	}
   2085  1.31.2.7  skrll }
   2086  1.31.2.7  skrll 
   2087  1.31.2.2  skrll static int
   2088  1.31.2.2  skrll sysctl_doeproc(SYSCTLFN_ARGS)
   2089  1.31.2.2  skrll {
   2090  1.31.2.2  skrll 	struct eproc eproc;
   2091  1.31.2.2  skrll 	struct kinfo_proc2 kproc2;
   2092  1.31.2.2  skrll 	struct kinfo_proc *dp;
   2093  1.31.2.2  skrll 	struct proc *p;
   2094  1.31.2.2  skrll 	const struct proclist_desc *pd;
   2095  1.31.2.2  skrll 	char *where, *dp2;
   2096  1.31.2.2  skrll 	int type, op, arg;
   2097  1.31.2.2  skrll 	u_int elem_size, elem_count;
   2098  1.31.2.2  skrll 	size_t buflen, needed;
   2099  1.31.2.2  skrll 	int error;
   2100  1.31.2.2  skrll 
   2101  1.31.2.2  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   2102  1.31.2.2  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   2103  1.31.2.2  skrll 
   2104  1.31.2.2  skrll 	dp = oldp;
   2105  1.31.2.2  skrll 	dp2 = where = oldp;
   2106  1.31.2.2  skrll 	buflen = where != NULL ? *oldlenp : 0;
   2107  1.31.2.2  skrll 	error = 0;
   2108  1.31.2.2  skrll 	needed = 0;
   2109  1.31.2.2  skrll 	type = rnode->sysctl_num;
   2110  1.31.2.2  skrll 
   2111  1.31.2.2  skrll 	if (type == KERN_PROC) {
   2112  1.31.2.2  skrll 		if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL))
   2113  1.31.2.2  skrll 			return (EINVAL);
   2114  1.31.2.2  skrll 		op = name[0];
   2115  1.31.2.2  skrll 		if (op != KERN_PROC_ALL)
   2116  1.31.2.2  skrll 			arg = name[1];
   2117  1.31.2.2  skrll 		else
   2118  1.31.2.2  skrll 			arg = 0;		/* Quell compiler warning */
   2119  1.31.2.2  skrll 		elem_size = elem_count = 0;	/* Ditto */
   2120  1.31.2.2  skrll 	} else {
   2121  1.31.2.2  skrll 		if (namelen != 4)
   2122  1.31.2.2  skrll 			return (EINVAL);
   2123  1.31.2.2  skrll 		op = name[0];
   2124  1.31.2.2  skrll 		arg = name[1];
   2125  1.31.2.2  skrll 		elem_size = name[2];
   2126  1.31.2.2  skrll 		elem_count = name[3];
   2127  1.31.2.2  skrll 	}
   2128  1.31.2.2  skrll 
   2129  1.31.2.2  skrll 	proclist_lock_read();
   2130  1.31.2.2  skrll 
   2131  1.31.2.2  skrll 	pd = proclists;
   2132  1.31.2.2  skrll again:
   2133  1.31.2.5  skrll 	PROCLIST_FOREACH(p, pd->pd_list) {
   2134  1.31.2.2  skrll 		/*
   2135  1.31.2.2  skrll 		 * Skip embryonic processes.
   2136  1.31.2.2  skrll 		 */
   2137  1.31.2.2  skrll 		if (p->p_stat == SIDL)
   2138  1.31.2.2  skrll 			continue;
   2139  1.31.2.8  skrll 
   2140  1.31.2.8  skrll 		if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid))
   2141  1.31.2.8  skrll 			continue;
   2142  1.31.2.8  skrll 
   2143  1.31.2.2  skrll 		/*
   2144  1.31.2.2  skrll 		 * TODO - make more efficient (see notes below).
   2145  1.31.2.2  skrll 		 * do by session.
   2146  1.31.2.2  skrll 		 */
   2147  1.31.2.2  skrll 		switch (op) {
   2148  1.31.2.2  skrll 
   2149  1.31.2.2  skrll 		case KERN_PROC_PID:
   2150  1.31.2.2  skrll 			/* could do this with just a lookup */
   2151  1.31.2.2  skrll 			if (p->p_pid != (pid_t)arg)
   2152  1.31.2.2  skrll 				continue;
   2153  1.31.2.2  skrll 			break;
   2154  1.31.2.2  skrll 
   2155  1.31.2.2  skrll 		case KERN_PROC_PGRP:
   2156  1.31.2.2  skrll 			/* could do this by traversing pgrp */
   2157  1.31.2.2  skrll 			if (p->p_pgrp->pg_id != (pid_t)arg)
   2158  1.31.2.2  skrll 				continue;
   2159  1.31.2.2  skrll 			break;
   2160  1.31.2.2  skrll 
   2161  1.31.2.2  skrll 		case KERN_PROC_SESSION:
   2162  1.31.2.2  skrll 			if (p->p_session->s_sid != (pid_t)arg)
   2163  1.31.2.2  skrll 				continue;
   2164  1.31.2.2  skrll 			break;
   2165  1.31.2.2  skrll 
   2166  1.31.2.2  skrll 		case KERN_PROC_TTY:
   2167  1.31.2.2  skrll 			if (arg == (int) KERN_PROC_TTY_REVOKE) {
   2168  1.31.2.2  skrll 				if ((p->p_flag & P_CONTROLT) == 0 ||
   2169  1.31.2.2  skrll 				    p->p_session->s_ttyp == NULL ||
   2170  1.31.2.2  skrll 				    p->p_session->s_ttyvp != NULL)
   2171  1.31.2.2  skrll 					continue;
   2172  1.31.2.2  skrll 			} else if ((p->p_flag & P_CONTROLT) == 0 ||
   2173  1.31.2.2  skrll 			    p->p_session->s_ttyp == NULL) {
   2174  1.31.2.2  skrll 				if ((dev_t)arg != KERN_PROC_TTY_NODEV)
   2175  1.31.2.2  skrll 					continue;
   2176  1.31.2.2  skrll 			} else if (p->p_session->s_ttyp->t_dev != (dev_t)arg)
   2177  1.31.2.2  skrll 				continue;
   2178  1.31.2.2  skrll 			break;
   2179  1.31.2.2  skrll 
   2180  1.31.2.2  skrll 		case KERN_PROC_UID:
   2181  1.31.2.2  skrll 			if (p->p_ucred->cr_uid != (uid_t)arg)
   2182  1.31.2.2  skrll 				continue;
   2183  1.31.2.2  skrll 			break;
   2184  1.31.2.2  skrll 
   2185  1.31.2.2  skrll 		case KERN_PROC_RUID:
   2186  1.31.2.2  skrll 			if (p->p_cred->p_ruid != (uid_t)arg)
   2187  1.31.2.2  skrll 				continue;
   2188  1.31.2.2  skrll 			break;
   2189  1.31.2.2  skrll 
   2190  1.31.2.2  skrll 		case KERN_PROC_GID:
   2191  1.31.2.2  skrll 			if (p->p_ucred->cr_gid != (uid_t)arg)
   2192  1.31.2.2  skrll 				continue;
   2193  1.31.2.2  skrll 			break;
   2194  1.31.2.2  skrll 
   2195  1.31.2.2  skrll 		case KERN_PROC_RGID:
   2196  1.31.2.2  skrll 			if (p->p_cred->p_rgid != (uid_t)arg)
   2197  1.31.2.2  skrll 				continue;
   2198  1.31.2.2  skrll 			break;
   2199  1.31.2.2  skrll 
   2200  1.31.2.2  skrll 		case KERN_PROC_ALL:
   2201  1.31.2.2  skrll 			/* allow everything */
   2202  1.31.2.2  skrll 			break;
   2203  1.31.2.2  skrll 
   2204  1.31.2.2  skrll 		default:
   2205  1.31.2.2  skrll 			error = EINVAL;
   2206  1.31.2.2  skrll 			goto cleanup;
   2207  1.31.2.2  skrll 		}
   2208  1.31.2.2  skrll 		if (type == KERN_PROC) {
   2209  1.31.2.2  skrll 			if (buflen >= sizeof(struct kinfo_proc)) {
   2210  1.31.2.2  skrll 				fill_eproc(p, &eproc);
   2211  1.31.2.2  skrll 				error = copyout(p, &dp->kp_proc,
   2212  1.31.2.2  skrll 				    sizeof(struct proc));
   2213  1.31.2.2  skrll 				if (error)
   2214  1.31.2.2  skrll 					goto cleanup;
   2215  1.31.2.2  skrll 				error = copyout(&eproc, &dp->kp_eproc,
   2216  1.31.2.2  skrll 				    sizeof(eproc));
   2217  1.31.2.2  skrll 				if (error)
   2218  1.31.2.2  skrll 					goto cleanup;
   2219  1.31.2.2  skrll 				dp++;
   2220  1.31.2.2  skrll 				buflen -= sizeof(struct kinfo_proc);
   2221  1.31.2.2  skrll 			}
   2222  1.31.2.2  skrll 			needed += sizeof(struct kinfo_proc);
   2223  1.31.2.2  skrll 		} else { /* KERN_PROC2 */
   2224  1.31.2.2  skrll 			if (buflen >= elem_size && elem_count > 0) {
   2225  1.31.2.2  skrll 				fill_kproc2(p, &kproc2);
   2226  1.31.2.2  skrll 				/*
   2227  1.31.2.2  skrll 				 * Copy out elem_size, but not larger than
   2228  1.31.2.2  skrll 				 * the size of a struct kinfo_proc2.
   2229  1.31.2.2  skrll 				 */
   2230  1.31.2.2  skrll 				error = copyout(&kproc2, dp2,
   2231  1.31.2.2  skrll 				    min(sizeof(kproc2), elem_size));
   2232  1.31.2.2  skrll 				if (error)
   2233  1.31.2.2  skrll 					goto cleanup;
   2234  1.31.2.2  skrll 				dp2 += elem_size;
   2235  1.31.2.2  skrll 				buflen -= elem_size;
   2236  1.31.2.2  skrll 				elem_count--;
   2237  1.31.2.2  skrll 			}
   2238  1.31.2.2  skrll 			needed += elem_size;
   2239  1.31.2.2  skrll 		}
   2240  1.31.2.2  skrll 	}
   2241  1.31.2.2  skrll 	pd++;
   2242  1.31.2.2  skrll 	if (pd->pd_list != NULL)
   2243  1.31.2.2  skrll 		goto again;
   2244  1.31.2.2  skrll 	proclist_unlock_read();
   2245  1.31.2.2  skrll 
   2246  1.31.2.2  skrll 	if (where != NULL) {
   2247  1.31.2.2  skrll 		if (type == KERN_PROC)
   2248  1.31.2.2  skrll 			*oldlenp = (char *)dp - where;
   2249  1.31.2.2  skrll 		else
   2250  1.31.2.2  skrll 			*oldlenp = dp2 - where;
   2251  1.31.2.2  skrll 		if (needed > *oldlenp)
   2252  1.31.2.2  skrll 			return (ENOMEM);
   2253  1.31.2.2  skrll 	} else {
   2254  1.31.2.2  skrll 		needed += KERN_PROCSLOP;
   2255  1.31.2.2  skrll 		*oldlenp = needed;
   2256  1.31.2.2  skrll 	}
   2257  1.31.2.2  skrll 	return (0);
   2258  1.31.2.2  skrll  cleanup:
   2259  1.31.2.2  skrll 	proclist_unlock_read();
   2260  1.31.2.2  skrll 	return (error);
   2261  1.31.2.2  skrll }
   2262  1.31.2.2  skrll 
   2263  1.31.2.2  skrll /*
   2264  1.31.2.2  skrll  * sysctl helper routine for kern.proc_args pseudo-subtree.
   2265  1.31.2.2  skrll  */
   2266  1.31.2.2  skrll static int
   2267  1.31.2.2  skrll sysctl_kern_proc_args(SYSCTLFN_ARGS)
   2268  1.31.2.2  skrll {
   2269  1.31.2.2  skrll 	struct ps_strings pss;
   2270  1.31.2.2  skrll 	struct proc *p, *up = l->l_proc;
   2271  1.31.2.2  skrll 	size_t len, upper_bound, xlen, i;
   2272  1.31.2.2  skrll 	struct uio auio;
   2273  1.31.2.2  skrll 	struct iovec aiov;
   2274  1.31.2.2  skrll 	vaddr_t argv;
   2275  1.31.2.2  skrll 	pid_t pid;
   2276  1.31.2.2  skrll 	int nargv, type, error;
   2277  1.31.2.2  skrll 	char *arg;
   2278  1.31.2.2  skrll 	char *tmp;
   2279  1.31.2.8  skrll 	struct vmspace *vmspace;
   2280  1.31.2.8  skrll 	vaddr_t psstr_addr;
   2281  1.31.2.8  skrll 	vaddr_t offsetn;
   2282  1.31.2.8  skrll 	vaddr_t offsetv;
   2283  1.31.2.2  skrll 
   2284  1.31.2.2  skrll 	if (namelen == 1 && name[0] == CTL_QUERY)
   2285  1.31.2.2  skrll 		return (sysctl_query(SYSCTLFN_CALL(rnode)));
   2286  1.31.2.2  skrll 
   2287  1.31.2.2  skrll 	if (newp != NULL || namelen != 2)
   2288  1.31.2.2  skrll 		return (EINVAL);
   2289  1.31.2.2  skrll 	pid = name[0];
   2290  1.31.2.2  skrll 	type = name[1];
   2291  1.31.2.2  skrll 
   2292  1.31.2.2  skrll 	switch (type) {
   2293  1.31.2.2  skrll 	case KERN_PROC_ARGV:
   2294  1.31.2.2  skrll 	case KERN_PROC_NARGV:
   2295  1.31.2.2  skrll 	case KERN_PROC_ENV:
   2296  1.31.2.2  skrll 	case KERN_PROC_NENV:
   2297  1.31.2.2  skrll 		/* ok */
   2298  1.31.2.2  skrll 		break;
   2299  1.31.2.2  skrll 	default:
   2300  1.31.2.2  skrll 		return (EINVAL);
   2301  1.31.2.2  skrll 	}
   2302  1.31.2.2  skrll 
   2303  1.31.2.8  skrll 	proclist_lock_read();
   2304  1.31.2.8  skrll 
   2305  1.31.2.2  skrll 	/* check pid */
   2306  1.31.2.8  skrll 	if ((p = p_find(pid, PFIND_LOCKED)) == NULL) {
   2307  1.31.2.8  skrll 		error = EINVAL;
   2308  1.31.2.8  skrll 		goto out_locked;
   2309  1.31.2.8  skrll 	}
   2310  1.31.2.8  skrll 
   2311  1.31.2.8  skrll 	if (CURTAIN(l->l_proc->p_ucred->cr_uid, p->p_ucred->cr_uid)) {
   2312  1.31.2.8  skrll 		error = EPERM;
   2313  1.31.2.8  skrll 		goto out_locked;
   2314  1.31.2.8  skrll 	}
   2315  1.31.2.2  skrll 
   2316  1.31.2.2  skrll 	/* only root or same user change look at the environment */
   2317  1.31.2.2  skrll 	if (type == KERN_PROC_ENV || type == KERN_PROC_NENV) {
   2318  1.31.2.2  skrll 		if (up->p_ucred->cr_uid != 0) {
   2319  1.31.2.2  skrll 			if (up->p_cred->p_ruid != p->p_cred->p_ruid ||
   2320  1.31.2.8  skrll 			    up->p_cred->p_ruid != p->p_cred->p_svuid) {
   2321  1.31.2.8  skrll 				error = EPERM;
   2322  1.31.2.8  skrll 				goto out_locked;
   2323  1.31.2.8  skrll 			}
   2324  1.31.2.2  skrll 		}
   2325  1.31.2.2  skrll 	}
   2326  1.31.2.2  skrll 
   2327  1.31.2.2  skrll 	if (oldp == NULL) {
   2328  1.31.2.2  skrll 		if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV)
   2329  1.31.2.2  skrll 			*oldlenp = sizeof (int);
   2330  1.31.2.2  skrll 		else
   2331  1.31.2.2  skrll 			*oldlenp = ARG_MAX;	/* XXX XXX XXX */
   2332  1.31.2.8  skrll 		error = 0;
   2333  1.31.2.8  skrll 		goto out_locked;
   2334  1.31.2.2  skrll 	}
   2335  1.31.2.2  skrll 
   2336  1.31.2.2  skrll 	/*
   2337  1.31.2.2  skrll 	 * Zombies don't have a stack, so we can't read their psstrings.
   2338  1.31.2.2  skrll 	 * System processes also don't have a user stack.
   2339  1.31.2.2  skrll 	 */
   2340  1.31.2.8  skrll 	if (P_ZOMBIE(p) || (p->p_flag & P_SYSTEM) != 0) {
   2341  1.31.2.8  skrll 		error = EINVAL;
   2342  1.31.2.8  skrll 		goto out_locked;
   2343  1.31.2.8  skrll 	}
   2344  1.31.2.2  skrll 
   2345  1.31.2.2  skrll 	/*
   2346  1.31.2.2  skrll 	 * Lock the process down in memory.
   2347  1.31.2.2  skrll 	 */
   2348  1.31.2.2  skrll 	/* XXXCDC: how should locking work here? */
   2349  1.31.2.8  skrll 	if ((p->p_flag & P_WEXIT) || (p->p_vmspace->vm_refcnt < 1)) {
   2350  1.31.2.8  skrll 		error = EFAULT;
   2351  1.31.2.8  skrll 		goto out_locked;
   2352  1.31.2.8  skrll 	}
   2353  1.31.2.2  skrll 
   2354  1.31.2.8  skrll 	psstr_addr = (vaddr_t)p->p_psstr;
   2355  1.31.2.8  skrll 	if (type == KERN_PROC_ARGV || type == KERN_PROC_NARGV) {
   2356  1.31.2.8  skrll 		offsetn = p->p_psnargv;
   2357  1.31.2.8  skrll 		offsetv = p->p_psargv;
   2358  1.31.2.8  skrll 	} else {
   2359  1.31.2.8  skrll 		offsetn = p->p_psnenv;
   2360  1.31.2.8  skrll 		offsetv = p->p_psenv;
   2361  1.31.2.8  skrll 	}
   2362  1.31.2.8  skrll 	vmspace = p->p_vmspace;
   2363  1.31.2.8  skrll 	vmspace->vm_refcnt++;	/* XXX */
   2364  1.31.2.8  skrll 
   2365  1.31.2.8  skrll 	proclist_unlock_read();
   2366  1.31.2.2  skrll 
   2367  1.31.2.2  skrll 	/*
   2368  1.31.2.2  skrll 	 * Allocate a temporary buffer to hold the arguments.
   2369  1.31.2.2  skrll 	 */
   2370  1.31.2.2  skrll 	arg = malloc(PAGE_SIZE, M_TEMP, M_WAITOK);
   2371  1.31.2.2  skrll 
   2372  1.31.2.2  skrll 	/*
   2373  1.31.2.2  skrll 	 * Read in the ps_strings structure.
   2374  1.31.2.2  skrll 	 */
   2375  1.31.2.2  skrll 	aiov.iov_base = &pss;
   2376  1.31.2.2  skrll 	aiov.iov_len = sizeof(pss);
   2377  1.31.2.2  skrll 	auio.uio_iov = &aiov;
   2378  1.31.2.2  skrll 	auio.uio_iovcnt = 1;
   2379  1.31.2.8  skrll 	auio.uio_offset = psstr_addr;
   2380  1.31.2.2  skrll 	auio.uio_resid = sizeof(pss);
   2381  1.31.2.2  skrll 	auio.uio_segflg = UIO_SYSSPACE;
   2382  1.31.2.2  skrll 	auio.uio_rw = UIO_READ;
   2383  1.31.2.4  skrll 	auio.uio_lwp = NULL;
   2384  1.31.2.8  skrll 	error = uvm_io(&vmspace->vm_map, &auio);
   2385  1.31.2.2  skrll 	if (error)
   2386  1.31.2.2  skrll 		goto done;
   2387  1.31.2.2  skrll 
   2388  1.31.2.8  skrll 	memcpy(&nargv, (char *)&pss + offsetn, sizeof(nargv));
   2389  1.31.2.2  skrll 	if (type == KERN_PROC_NARGV || type == KERN_PROC_NENV) {
   2390  1.31.2.2  skrll 		error = copyout(&nargv, oldp, sizeof(nargv));
   2391  1.31.2.2  skrll 		*oldlenp = sizeof(nargv);
   2392  1.31.2.2  skrll 		goto done;
   2393  1.31.2.2  skrll 	}
   2394  1.31.2.2  skrll 	/*
   2395  1.31.2.2  skrll 	 * Now read the address of the argument vector.
   2396  1.31.2.2  skrll 	 */
   2397  1.31.2.2  skrll 	switch (type) {
   2398  1.31.2.2  skrll 	case KERN_PROC_ARGV:
   2399  1.31.2.2  skrll 		/* XXX compat32 stuff here */
   2400  1.31.2.8  skrll 		/* FALLTHROUGH */
   2401  1.31.2.2  skrll 	case KERN_PROC_ENV:
   2402  1.31.2.8  skrll 		memcpy(&tmp, (char *)&pss + offsetv, sizeof(tmp));
   2403  1.31.2.2  skrll 		break;
   2404  1.31.2.2  skrll 	default:
   2405  1.31.2.2  skrll 		return (EINVAL);
   2406  1.31.2.2  skrll 	}
   2407  1.31.2.2  skrll 	auio.uio_offset = (off_t)(unsigned long)tmp;
   2408  1.31.2.2  skrll 	aiov.iov_base = &argv;
   2409  1.31.2.2  skrll 	aiov.iov_len = sizeof(argv);
   2410  1.31.2.2  skrll 	auio.uio_iov = &aiov;
   2411  1.31.2.2  skrll 	auio.uio_iovcnt = 1;
   2412  1.31.2.2  skrll 	auio.uio_resid = sizeof(argv);
   2413  1.31.2.2  skrll 	auio.uio_segflg = UIO_SYSSPACE;
   2414  1.31.2.2  skrll 	auio.uio_rw = UIO_READ;
   2415  1.31.2.4  skrll 	auio.uio_lwp = NULL;
   2416  1.31.2.8  skrll 	error = uvm_io(&vmspace->vm_map, &auio);
   2417  1.31.2.2  skrll 	if (error)
   2418  1.31.2.2  skrll 		goto done;
   2419  1.31.2.2  skrll 
   2420  1.31.2.2  skrll 	/*
   2421  1.31.2.2  skrll 	 * Now copy in the actual argument vector, one page at a time,
   2422  1.31.2.2  skrll 	 * since we don't know how long the vector is (though, we do
   2423  1.31.2.2  skrll 	 * know how many NUL-terminated strings are in the vector).
   2424  1.31.2.2  skrll 	 */
   2425  1.31.2.2  skrll 	len = 0;
   2426  1.31.2.2  skrll 	upper_bound = *oldlenp;
   2427  1.31.2.2  skrll 	for (; nargv != 0 && len < upper_bound; len += xlen) {
   2428  1.31.2.2  skrll 		aiov.iov_base = arg;
   2429  1.31.2.2  skrll 		aiov.iov_len = PAGE_SIZE;
   2430  1.31.2.2  skrll 		auio.uio_iov = &aiov;
   2431  1.31.2.2  skrll 		auio.uio_iovcnt = 1;
   2432  1.31.2.2  skrll 		auio.uio_offset = argv + len;
   2433  1.31.2.2  skrll 		xlen = PAGE_SIZE - ((argv + len) & PAGE_MASK);
   2434  1.31.2.2  skrll 		auio.uio_resid = xlen;
   2435  1.31.2.2  skrll 		auio.uio_segflg = UIO_SYSSPACE;
   2436  1.31.2.2  skrll 		auio.uio_rw = UIO_READ;
   2437  1.31.2.4  skrll 		auio.uio_lwp = NULL;
   2438  1.31.2.8  skrll 		error = uvm_io(&vmspace->vm_map, &auio);
   2439  1.31.2.2  skrll 		if (error)
   2440  1.31.2.2  skrll 			goto done;
   2441  1.31.2.2  skrll 
   2442  1.31.2.2  skrll 		for (i = 0; i < xlen && nargv != 0; i++) {
   2443  1.31.2.2  skrll 			if (arg[i] == '\0')
   2444  1.31.2.2  skrll 				nargv--;	/* one full string */
   2445  1.31.2.2  skrll 		}
   2446  1.31.2.2  skrll 
   2447  1.31.2.2  skrll 		/*
   2448  1.31.2.2  skrll 		 * Make sure we don't copyout past the end of the user's
   2449  1.31.2.2  skrll 		 * buffer.
   2450  1.31.2.2  skrll 		 */
   2451  1.31.2.2  skrll 		if (len + i > upper_bound)
   2452  1.31.2.2  skrll 			i = upper_bound - len;
   2453  1.31.2.2  skrll 
   2454  1.31.2.2  skrll 		error = copyout(arg, (char *)oldp + len, i);
   2455  1.31.2.2  skrll 		if (error)
   2456  1.31.2.2  skrll 			break;
   2457  1.31.2.2  skrll 
   2458  1.31.2.2  skrll 		if (nargv == 0) {
   2459  1.31.2.2  skrll 			len += i;
   2460  1.31.2.2  skrll 			break;
   2461  1.31.2.2  skrll 		}
   2462  1.31.2.2  skrll 	}
   2463  1.31.2.2  skrll 	*oldlenp = len;
   2464  1.31.2.2  skrll 
   2465  1.31.2.2  skrll done:
   2466  1.31.2.8  skrll 	uvmspace_free(vmspace);
   2467  1.31.2.2  skrll 
   2468  1.31.2.2  skrll 	free(arg, M_TEMP);
   2469  1.31.2.8  skrll 	return error;
   2470  1.31.2.8  skrll 
   2471  1.31.2.8  skrll out_locked:
   2472  1.31.2.8  skrll 	proclist_unlock_read();
   2473  1.31.2.8  skrll 	return error;
   2474  1.31.2.8  skrll }
   2475  1.31.2.8  skrll 
   2476  1.31.2.8  skrll /*
   2477  1.31.2.8  skrll  * Sysctl helper routine for Verified Exec.
   2478  1.31.2.8  skrll  */
   2479  1.31.2.8  skrll #ifdef VERIFIED_EXEC
   2480  1.31.2.8  skrll static int
   2481  1.31.2.8  skrll sysctl_kern_veriexec(SYSCTLFN_ARGS)
   2482  1.31.2.8  skrll {
   2483  1.31.2.8  skrll 	int newval, error;
   2484  1.31.2.8  skrll 	int *var = NULL, raise_only = 0;
   2485  1.31.2.8  skrll 	struct sysctlnode node;
   2486  1.31.2.8  skrll 
   2487  1.31.2.8  skrll 	node = *rnode;
   2488  1.31.2.8  skrll 
   2489  1.31.2.8  skrll 	switch (rnode->sysctl_num) {
   2490  1.31.2.8  skrll 	case VERIEXEC_STRICT:
   2491  1.31.2.8  skrll 		raise_only = 1;
   2492  1.31.2.8  skrll 		var = &veriexec_strict;
   2493  1.31.2.8  skrll 		break;
   2494  1.31.2.8  skrll 	case VERIEXEC_ALGORITHMS:
   2495  1.31.2.8  skrll 		node.sysctl_data = veriexec_fp_names;
   2496  1.31.2.8  skrll 		node.sysctl_size = strlen(veriexec_fp_names) + 1;
   2497  1.31.2.8  skrll 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2498  1.31.2.8  skrll 	default:
   2499  1.31.2.8  skrll 		return (EINVAL);
   2500  1.31.2.8  skrll 	}
   2501  1.31.2.8  skrll 
   2502  1.31.2.8  skrll 	newval = *var;
   2503  1.31.2.8  skrll 
   2504  1.31.2.8  skrll 	node.sysctl_data = &newval;
   2505  1.31.2.8  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   2506  1.31.2.8  skrll 	if (error || newp == NULL) {
   2507  1.31.2.8  skrll 		return (error);
   2508  1.31.2.8  skrll 	}
   2509  1.31.2.8  skrll 
   2510  1.31.2.8  skrll 	if (raise_only && (newval < *var))
   2511  1.31.2.8  skrll 		return (EPERM);
   2512  1.31.2.8  skrll 
   2513  1.31.2.8  skrll 	*var = newval;
   2514  1.31.2.8  skrll 
   2515  1.31.2.2  skrll 	return (error);
   2516  1.31.2.2  skrll }
   2517  1.31.2.8  skrll #endif /* VERIFIED_EXEC */
   2518  1.31.2.8  skrll 
   2519  1.31.2.8  skrll /*
   2520  1.31.2.8  skrll  * sysctl helper routine for kern.cp_id node.  maps cpus to their
   2521  1.31.2.8  skrll  * cpuids.
   2522  1.31.2.8  skrll  */
   2523  1.31.2.8  skrll static int
   2524  1.31.2.8  skrll sysctl_kern_cpid(SYSCTLFN_ARGS)
   2525  1.31.2.8  skrll {
   2526  1.31.2.8  skrll 	struct sysctlnode node = *rnode;
   2527  1.31.2.8  skrll 
   2528  1.31.2.8  skrll #ifndef MULTIPROCESSOR
   2529  1.31.2.8  skrll 	u_int64_t id;
   2530  1.31.2.8  skrll 
   2531  1.31.2.8  skrll 	if (namelen == 1) {
   2532  1.31.2.8  skrll 		if (name[0] != 0)
   2533  1.31.2.8  skrll 			return (ENOENT);
   2534  1.31.2.8  skrll 		/*
   2535  1.31.2.8  skrll 		 * you're allowed to ask for the zero'th processor
   2536  1.31.2.8  skrll 		 */
   2537  1.31.2.8  skrll 		name++;
   2538  1.31.2.8  skrll 		namelen--;
   2539  1.31.2.8  skrll 	}
   2540  1.31.2.8  skrll 	node.sysctl_data = &id;
   2541  1.31.2.8  skrll 	node.sysctl_size = sizeof(id);
   2542  1.31.2.8  skrll 	id = cpu_number();
   2543  1.31.2.8  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2544  1.31.2.8  skrll 
   2545  1.31.2.8  skrll #else /* MULTIPROCESSOR */
   2546  1.31.2.8  skrll 	u_int64_t *cp_id = NULL;
   2547  1.31.2.8  skrll 	int error, n = sysctl_ncpus();
   2548  1.31.2.8  skrll 	struct cpu_info *ci;
   2549  1.31.2.8  skrll 	CPU_INFO_ITERATOR cii;
   2550  1.31.2.8  skrll 
   2551  1.31.2.8  skrll 	/*
   2552  1.31.2.8  skrll 	 * here you may either retrieve a single cpu id or the whole
   2553  1.31.2.8  skrll 	 * set.  the size you get back when probing depends on what
   2554  1.31.2.8  skrll 	 * you ask for.
   2555  1.31.2.8  skrll 	 */
   2556  1.31.2.8  skrll 	switch (namelen) {
   2557  1.31.2.8  skrll 	case 0:
   2558  1.31.2.8  skrll 		node.sysctl_size = n * sizeof(u_int64_t);
   2559  1.31.2.8  skrll 		n = -2; /* ALL */
   2560  1.31.2.8  skrll 		break;
   2561  1.31.2.8  skrll 	case 1:
   2562  1.31.2.8  skrll 		if (name[0] < 0 || name[0] >= n)
   2563  1.31.2.8  skrll 			return (ENOENT); /* ENOSUCHPROCESSOR */
   2564  1.31.2.8  skrll 		node.sysctl_size = sizeof(u_int64_t);
   2565  1.31.2.8  skrll 		n = name[0];
   2566  1.31.2.8  skrll 		/*
   2567  1.31.2.8  skrll 		 * adjust these so that sysctl_lookup() will be happy
   2568  1.31.2.8  skrll 		 */
   2569  1.31.2.8  skrll 		name++;
   2570  1.31.2.8  skrll 		namelen--;
   2571  1.31.2.8  skrll 		break;
   2572  1.31.2.8  skrll 	default:
   2573  1.31.2.8  skrll 		return (EINVAL);
   2574  1.31.2.8  skrll 	}
   2575  1.31.2.8  skrll 
   2576  1.31.2.8  skrll 	cp_id = malloc(node.sysctl_size, M_TEMP, M_WAITOK|M_CANFAIL);
   2577  1.31.2.8  skrll 	if (cp_id == NULL)
   2578  1.31.2.8  skrll 		return (ENOMEM);
   2579  1.31.2.8  skrll 	node.sysctl_data = cp_id;
   2580  1.31.2.8  skrll 	memset(cp_id, 0, node.sysctl_size);
   2581  1.31.2.8  skrll 
   2582  1.31.2.8  skrll 	for (CPU_INFO_FOREACH(cii, ci)) {
   2583  1.31.2.8  skrll 		if (n <= 0)
   2584  1.31.2.8  skrll 			cp_id[0] = ci->ci_cpuid;
   2585  1.31.2.8  skrll 		/*
   2586  1.31.2.8  skrll 		 * if a specific processor was requested and we just
   2587  1.31.2.8  skrll 		 * did it, we're done here
   2588  1.31.2.8  skrll 		 */
   2589  1.31.2.8  skrll 		if (n == 0)
   2590  1.31.2.8  skrll 			break;
   2591  1.31.2.8  skrll 		/*
   2592  1.31.2.8  skrll 		 * if doing "all", skip to next cp_id slot for next processor
   2593  1.31.2.8  skrll 		 */
   2594  1.31.2.8  skrll 		if (n == -2)
   2595  1.31.2.8  skrll 			cp_id++;
   2596  1.31.2.8  skrll 		/*
   2597  1.31.2.8  skrll 		 * if we're doing a specific processor, we're one
   2598  1.31.2.8  skrll 		 * processor closer
   2599  1.31.2.8  skrll 		 */
   2600  1.31.2.8  skrll 		if (n > 0)
   2601  1.31.2.8  skrll 			n--;
   2602  1.31.2.8  skrll 	}
   2603  1.31.2.8  skrll 
   2604  1.31.2.8  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   2605  1.31.2.8  skrll 	free(node.sysctl_data, M_TEMP);
   2606  1.31.2.8  skrll 	return (error);
   2607  1.31.2.8  skrll 
   2608  1.31.2.8  skrll #endif /* MULTIPROCESSOR */
   2609  1.31.2.8  skrll }
   2610  1.31.2.2  skrll 
   2611  1.31.2.2  skrll /*
   2612  1.31.2.2  skrll  * sysctl helper routine for hw.usermem and hw.usermem64.  values are
   2613  1.31.2.2  skrll  * calculate on the fly taking into account integer overflow and the
   2614  1.31.2.2  skrll  * current wired count.
   2615  1.31.2.2  skrll  */
   2616  1.31.2.2  skrll static int
   2617  1.31.2.2  skrll sysctl_hw_usermem(SYSCTLFN_ARGS)
   2618  1.31.2.2  skrll {
   2619  1.31.2.2  skrll 	u_int ui;
   2620  1.31.2.2  skrll 	u_quad_t uq;
   2621  1.31.2.2  skrll 	struct sysctlnode node;
   2622  1.31.2.2  skrll 
   2623  1.31.2.2  skrll 	node = *rnode;
   2624  1.31.2.2  skrll 	switch (rnode->sysctl_num) {
   2625  1.31.2.2  skrll 	    case HW_USERMEM:
   2626  1.31.2.2  skrll 		if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE))
   2627  1.31.2.2  skrll 			ui = UINT_MAX;
   2628  1.31.2.2  skrll 		else
   2629  1.31.2.2  skrll 			ui *= PAGE_SIZE;
   2630  1.31.2.2  skrll 		node.sysctl_data = &ui;
   2631  1.31.2.2  skrll 		break;
   2632  1.31.2.2  skrll 	case HW_USERMEM64:
   2633  1.31.2.2  skrll 		uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE;
   2634  1.31.2.2  skrll 		node.sysctl_data = &uq;
   2635  1.31.2.2  skrll 		break;
   2636  1.31.2.2  skrll 	default:
   2637  1.31.2.2  skrll 		return (EINVAL);
   2638  1.31.2.2  skrll 	}
   2639  1.31.2.2  skrll 
   2640  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2641  1.31.2.2  skrll }
   2642  1.31.2.2  skrll 
   2643  1.31.2.2  skrll /*
   2644  1.31.2.2  skrll  * sysctl helper routine for kern.cnmagic node.  pulls the old value
   2645  1.31.2.2  skrll  * out, encoded, and stuffs the new value in for decoding.
   2646  1.31.2.2  skrll  */
   2647  1.31.2.2  skrll static int
   2648  1.31.2.2  skrll sysctl_hw_cnmagic(SYSCTLFN_ARGS)
   2649  1.31.2.2  skrll {
   2650  1.31.2.2  skrll 	char magic[CNS_LEN];
   2651  1.31.2.2  skrll 	int error;
   2652  1.31.2.2  skrll 	struct sysctlnode node;
   2653  1.31.2.2  skrll 
   2654  1.31.2.2  skrll 	if (oldp)
   2655  1.31.2.2  skrll 		cn_get_magic(magic, CNS_LEN);
   2656  1.31.2.2  skrll 	node = *rnode;
   2657  1.31.2.2  skrll 	node.sysctl_data = &magic[0];
   2658  1.31.2.2  skrll 	error = sysctl_lookup(SYSCTLFN_CALL(&node));
   2659  1.31.2.2  skrll 	if (error || newp == NULL)
   2660  1.31.2.2  skrll 		return (error);
   2661  1.31.2.6  skrll 
   2662  1.31.2.2  skrll 	return (cn_set_magic(magic));
   2663  1.31.2.2  skrll }
   2664  1.31.2.2  skrll 
   2665  1.31.2.2  skrll static int
   2666  1.31.2.2  skrll sysctl_hw_ncpu(SYSCTLFN_ARGS)
   2667  1.31.2.2  skrll {
   2668  1.31.2.2  skrll 	int ncpu;
   2669  1.31.2.2  skrll 	struct sysctlnode node;
   2670  1.31.2.2  skrll 
   2671  1.31.2.2  skrll 	ncpu = sysctl_ncpus();
   2672  1.31.2.2  skrll 	node = *rnode;
   2673  1.31.2.2  skrll 	node.sysctl_data = &ncpu;
   2674  1.31.2.6  skrll 
   2675  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2676  1.31.2.2  skrll }
   2677  1.31.2.2  skrll 
   2678  1.31.2.2  skrll 
   2679  1.31.2.2  skrll /*
   2680  1.31.2.2  skrll  * ********************************************************************
   2681  1.31.2.2  skrll  * section 3: public helper routines that are used for more than one
   2682  1.31.2.2  skrll  * node
   2683  1.31.2.2  skrll  * ********************************************************************
   2684  1.31.2.2  skrll  */
   2685  1.31.2.2  skrll 
   2686  1.31.2.2  skrll /*
   2687  1.31.2.2  skrll  * sysctl helper routine for the kern.root_device node and some ports'
   2688  1.31.2.2  skrll  * machdep.root_device nodes.
   2689  1.31.2.2  skrll  */
   2690  1.31.2.2  skrll int
   2691  1.31.2.2  skrll sysctl_root_device(SYSCTLFN_ARGS)
   2692  1.31.2.2  skrll {
   2693  1.31.2.2  skrll 	struct sysctlnode node;
   2694  1.31.2.2  skrll 
   2695  1.31.2.2  skrll 	node = *rnode;
   2696  1.31.2.2  skrll 	node.sysctl_data = root_device->dv_xname;
   2697  1.31.2.2  skrll 	node.sysctl_size = strlen(root_device->dv_xname) + 1;
   2698  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2699  1.31.2.2  skrll }
   2700  1.31.2.2  skrll 
   2701  1.31.2.2  skrll /*
   2702  1.31.2.2  skrll  * sysctl helper routine for kern.consdev, dependent on the current
   2703  1.31.2.2  skrll  * state of the console.  also used for machdep.console_device on some
   2704  1.31.2.2  skrll  * ports.
   2705  1.31.2.2  skrll  */
   2706  1.31.2.2  skrll int
   2707  1.31.2.2  skrll sysctl_consdev(SYSCTLFN_ARGS)
   2708  1.31.2.2  skrll {
   2709  1.31.2.2  skrll 	dev_t consdev;
   2710  1.31.2.2  skrll 	struct sysctlnode node;
   2711  1.31.2.2  skrll 
   2712  1.31.2.2  skrll 	if (cn_tab != NULL)
   2713  1.31.2.2  skrll 		consdev = cn_tab->cn_dev;
   2714  1.31.2.2  skrll 	else
   2715  1.31.2.2  skrll 		consdev = NODEV;
   2716  1.31.2.2  skrll 	node = *rnode;
   2717  1.31.2.2  skrll 	node.sysctl_data = &consdev;
   2718  1.31.2.2  skrll 	node.sysctl_size = sizeof(consdev);
   2719  1.31.2.2  skrll 	return (sysctl_lookup(SYSCTLFN_CALL(&node)));
   2720  1.31.2.2  skrll }
   2721  1.31.2.2  skrll 
   2722  1.31.2.2  skrll /*
   2723  1.31.2.2  skrll  * ********************************************************************
   2724  1.31.2.2  skrll  * section 4: support for some helpers
   2725  1.31.2.2  skrll  * ********************************************************************
   2726  1.31.2.2  skrll  */
   2727  1.31.2.2  skrll 
   2728  1.31.2.2  skrll /*
   2729  1.31.2.2  skrll  * Fill in a kinfo_proc2 structure for the specified process.
   2730  1.31.2.2  skrll  */
   2731  1.31.2.2  skrll static void
   2732  1.31.2.2  skrll fill_kproc2(struct proc *p, struct kinfo_proc2 *ki)
   2733  1.31.2.2  skrll {
   2734  1.31.2.2  skrll 	struct tty *tp;
   2735  1.31.2.2  skrll 	struct lwp *l;
   2736  1.31.2.2  skrll 	struct timeval ut, st;
   2737  1.31.2.2  skrll 
   2738  1.31.2.2  skrll 	memset(ki, 0, sizeof(*ki));
   2739  1.31.2.2  skrll 
   2740  1.31.2.2  skrll 	ki->p_paddr = PTRTOUINT64(p);
   2741  1.31.2.2  skrll 	ki->p_fd = PTRTOUINT64(p->p_fd);
   2742  1.31.2.2  skrll 	ki->p_cwdi = PTRTOUINT64(p->p_cwdi);
   2743  1.31.2.2  skrll 	ki->p_stats = PTRTOUINT64(p->p_stats);
   2744  1.31.2.2  skrll 	ki->p_limit = PTRTOUINT64(p->p_limit);
   2745  1.31.2.2  skrll 	ki->p_vmspace = PTRTOUINT64(p->p_vmspace);
   2746  1.31.2.2  skrll 	ki->p_sigacts = PTRTOUINT64(p->p_sigacts);
   2747  1.31.2.2  skrll 	ki->p_sess = PTRTOUINT64(p->p_session);
   2748  1.31.2.2  skrll 	ki->p_tsess = 0;	/* may be changed if controlling tty below */
   2749  1.31.2.2  skrll 	ki->p_ru = PTRTOUINT64(p->p_ru);
   2750  1.31.2.2  skrll 
   2751  1.31.2.2  skrll 	ki->p_eflag = 0;
   2752  1.31.2.2  skrll 	ki->p_exitsig = p->p_exitsig;
   2753  1.31.2.2  skrll 	ki->p_flag = p->p_flag;
   2754  1.31.2.2  skrll 
   2755  1.31.2.2  skrll 	ki->p_pid = p->p_pid;
   2756  1.31.2.2  skrll 	if (p->p_pptr)
   2757  1.31.2.2  skrll 		ki->p_ppid = p->p_pptr->p_pid;
   2758  1.31.2.2  skrll 	else
   2759  1.31.2.2  skrll 		ki->p_ppid = 0;
   2760  1.31.2.2  skrll 	ki->p_sid = p->p_session->s_sid;
   2761  1.31.2.2  skrll 	ki->p__pgid = p->p_pgrp->pg_id;
   2762  1.31.2.2  skrll 
   2763  1.31.2.2  skrll 	ki->p_tpgid = NO_PGID;	/* may be changed if controlling tty below */
   2764  1.31.2.2  skrll 
   2765  1.31.2.2  skrll 	ki->p_uid = p->p_ucred->cr_uid;
   2766  1.31.2.2  skrll 	ki->p_ruid = p->p_cred->p_ruid;
   2767  1.31.2.2  skrll 	ki->p_gid = p->p_ucred->cr_gid;
   2768  1.31.2.2  skrll 	ki->p_rgid = p->p_cred->p_rgid;
   2769  1.31.2.2  skrll 	ki->p_svuid = p->p_cred->p_svuid;
   2770  1.31.2.2  skrll 	ki->p_svgid = p->p_cred->p_svgid;
   2771  1.31.2.2  skrll 
   2772  1.31.2.2  skrll 	memcpy(ki->p_groups, p->p_cred->pc_ucred->cr_groups,
   2773  1.31.2.2  skrll 	    min(sizeof(ki->p_groups), sizeof(p->p_cred->pc_ucred->cr_groups)));
   2774  1.31.2.2  skrll 	ki->p_ngroups = p->p_cred->pc_ucred->cr_ngroups;
   2775  1.31.2.2  skrll 
   2776  1.31.2.2  skrll 	ki->p_jobc = p->p_pgrp->pg_jobc;
   2777  1.31.2.2  skrll 	if ((p->p_flag & P_CONTROLT) && (tp = p->p_session->s_ttyp)) {
   2778  1.31.2.2  skrll 		ki->p_tdev = tp->t_dev;
   2779  1.31.2.2  skrll 		ki->p_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID;
   2780  1.31.2.2  skrll 		ki->p_tsess = PTRTOUINT64(tp->t_session);
   2781  1.31.2.2  skrll 	} else {
   2782  1.31.2.2  skrll 		ki->p_tdev = NODEV;
   2783  1.31.2.2  skrll 	}
   2784  1.31.2.2  skrll 
   2785  1.31.2.2  skrll 	ki->p_estcpu = p->p_estcpu;
   2786  1.31.2.2  skrll 	ki->p_rtime_sec = p->p_rtime.tv_sec;
   2787  1.31.2.2  skrll 	ki->p_rtime_usec = p->p_rtime.tv_usec;
   2788  1.31.2.2  skrll 	ki->p_cpticks = p->p_cpticks;
   2789  1.31.2.2  skrll 	ki->p_pctcpu = p->p_pctcpu;
   2790  1.31.2.2  skrll 
   2791  1.31.2.2  skrll 	ki->p_uticks = p->p_uticks;
   2792  1.31.2.2  skrll 	ki->p_sticks = p->p_sticks;
   2793  1.31.2.2  skrll 	ki->p_iticks = p->p_iticks;
   2794  1.31.2.2  skrll 
   2795  1.31.2.2  skrll 	ki->p_tracep = PTRTOUINT64(p->p_tracep);
   2796  1.31.2.2  skrll 	ki->p_traceflag = p->p_traceflag;
   2797  1.31.2.2  skrll 
   2798  1.31.2.2  skrll 
   2799  1.31.2.2  skrll 	memcpy(&ki->p_siglist, &p->p_sigctx.ps_siglist, sizeof(ki_sigset_t));
   2800  1.31.2.2  skrll 	memcpy(&ki->p_sigmask, &p->p_sigctx.ps_sigmask, sizeof(ki_sigset_t));
   2801  1.31.2.2  skrll 	memcpy(&ki->p_sigignore, &p->p_sigctx.ps_sigignore,sizeof(ki_sigset_t));
   2802  1.31.2.2  skrll 	memcpy(&ki->p_sigcatch, &p->p_sigctx.ps_sigcatch, sizeof(ki_sigset_t));
   2803  1.31.2.2  skrll 
   2804  1.31.2.2  skrll 	ki->p_stat = p->p_stat; /* Will likely be overridden by LWP status */
   2805  1.31.2.2  skrll 	ki->p_realstat = p->p_stat;
   2806  1.31.2.2  skrll 	ki->p_nice = p->p_nice;
   2807  1.31.2.2  skrll 
   2808  1.31.2.2  skrll 	ki->p_xstat = p->p_xstat;
   2809  1.31.2.2  skrll 	ki->p_acflag = p->p_acflag;
   2810  1.31.2.2  skrll 
   2811  1.31.2.2  skrll 	strncpy(ki->p_comm, p->p_comm,
   2812  1.31.2.2  skrll 	    min(sizeof(ki->p_comm), sizeof(p->p_comm)));
   2813  1.31.2.2  skrll 
   2814  1.31.2.2  skrll 	strncpy(ki->p_login, p->p_session->s_login,
   2815  1.31.2.2  skrll 	    min(sizeof ki->p_login - 1, sizeof p->p_session->s_login));
   2816  1.31.2.2  skrll 
   2817  1.31.2.2  skrll 	ki->p_nlwps = p->p_nlwps;
   2818  1.31.2.2  skrll 	ki->p_nrlwps = p->p_nrlwps;
   2819  1.31.2.2  skrll 	ki->p_realflag = p->p_flag;
   2820  1.31.2.2  skrll 
   2821  1.31.2.2  skrll 	if (p->p_stat == SIDL || P_ZOMBIE(p)) {
   2822  1.31.2.2  skrll 		ki->p_vm_rssize = 0;
   2823  1.31.2.2  skrll 		ki->p_vm_tsize = 0;
   2824  1.31.2.2  skrll 		ki->p_vm_dsize = 0;
   2825  1.31.2.2  skrll 		ki->p_vm_ssize = 0;
   2826  1.31.2.2  skrll 		l = NULL;
   2827  1.31.2.2  skrll 	} else {
   2828  1.31.2.2  skrll 		struct vmspace *vm = p->p_vmspace;
   2829  1.31.2.2  skrll 
   2830  1.31.2.2  skrll 		ki->p_vm_rssize = vm_resident_count(vm);
   2831  1.31.2.2  skrll 		ki->p_vm_tsize = vm->vm_tsize;
   2832  1.31.2.2  skrll 		ki->p_vm_dsize = vm->vm_dsize;
   2833  1.31.2.2  skrll 		ki->p_vm_ssize = vm->vm_ssize;
   2834  1.31.2.2  skrll 
   2835  1.31.2.2  skrll 		/* Pick a "representative" LWP */
   2836  1.31.2.2  skrll 		l = proc_representative_lwp(p);
   2837  1.31.2.2  skrll 		ki->p_forw = PTRTOUINT64(l->l_forw);
   2838  1.31.2.2  skrll 		ki->p_back = PTRTOUINT64(l->l_back);
   2839  1.31.2.2  skrll 		ki->p_addr = PTRTOUINT64(l->l_addr);
   2840  1.31.2.2  skrll 		ki->p_stat = l->l_stat;
   2841  1.31.2.2  skrll 		ki->p_flag |= l->l_flag;
   2842  1.31.2.2  skrll 		ki->p_swtime = l->l_swtime;
   2843  1.31.2.2  skrll 		ki->p_slptime = l->l_slptime;
   2844  1.31.2.2  skrll 		if (l->l_stat == LSONPROC) {
   2845  1.31.2.2  skrll 			KDASSERT(l->l_cpu != NULL);
   2846  1.31.2.2  skrll 			ki->p_schedflags = l->l_cpu->ci_schedstate.spc_flags;
   2847  1.31.2.2  skrll 		} else
   2848  1.31.2.2  skrll 			ki->p_schedflags = 0;
   2849  1.31.2.2  skrll 		ki->p_holdcnt = l->l_holdcnt;
   2850  1.31.2.2  skrll 		ki->p_priority = l->l_priority;
   2851  1.31.2.2  skrll 		ki->p_usrpri = l->l_usrpri;
   2852  1.31.2.2  skrll 		if (l->l_wmesg)
   2853  1.31.2.2  skrll 			strncpy(ki->p_wmesg, l->l_wmesg, sizeof(ki->p_wmesg));
   2854  1.31.2.2  skrll 		ki->p_wchan = PTRTOUINT64(l->l_wchan);
   2855  1.31.2.2  skrll 
   2856  1.31.2.2  skrll 	}
   2857  1.31.2.2  skrll 
   2858  1.31.2.2  skrll 	if (p->p_session->s_ttyvp)
   2859  1.31.2.2  skrll 		ki->p_eflag |= EPROC_CTTY;
   2860  1.31.2.2  skrll 	if (SESS_LEADER(p))
   2861  1.31.2.2  skrll 		ki->p_eflag |= EPROC_SLEADER;
   2862  1.31.2.2  skrll 
   2863  1.31.2.2  skrll 	/* XXX Is this double check necessary? */
   2864  1.31.2.2  skrll 	if (P_ZOMBIE(p)) {
   2865  1.31.2.2  skrll 		ki->p_uvalid = 0;
   2866  1.31.2.2  skrll 	} else {
   2867  1.31.2.2  skrll 		ki->p_uvalid = 1;
   2868  1.31.2.2  skrll 
   2869  1.31.2.2  skrll 		ki->p_ustart_sec = p->p_stats->p_start.tv_sec;
   2870  1.31.2.2  skrll 		ki->p_ustart_usec = p->p_stats->p_start.tv_usec;
   2871  1.31.2.2  skrll 
   2872  1.31.2.2  skrll 		calcru(p, &ut, &st, 0);
   2873  1.31.2.2  skrll 		ki->p_uutime_sec = ut.tv_sec;
   2874  1.31.2.2  skrll 		ki->p_uutime_usec = ut.tv_usec;
   2875  1.31.2.2  skrll 		ki->p_ustime_sec = st.tv_sec;
   2876  1.31.2.2  skrll 		ki->p_ustime_usec = st.tv_usec;
   2877  1.31.2.2  skrll 
   2878  1.31.2.2  skrll 		ki->p_uru_maxrss = p->p_stats->p_ru.ru_maxrss;
   2879  1.31.2.2  skrll 		ki->p_uru_ixrss = p->p_stats->p_ru.ru_ixrss;
   2880  1.31.2.2  skrll 		ki->p_uru_idrss = p->p_stats->p_ru.ru_idrss;
   2881  1.31.2.2  skrll 		ki->p_uru_isrss = p->p_stats->p_ru.ru_isrss;
   2882  1.31.2.2  skrll 		ki->p_uru_minflt = p->p_stats->p_ru.ru_minflt;
   2883  1.31.2.2  skrll 		ki->p_uru_majflt = p->p_stats->p_ru.ru_majflt;
   2884  1.31.2.2  skrll 		ki->p_uru_nswap = p->p_stats->p_ru.ru_nswap;
   2885  1.31.2.2  skrll 		ki->p_uru_inblock = p->p_stats->p_ru.ru_inblock;
   2886  1.31.2.2  skrll 		ki->p_uru_oublock = p->p_stats->p_ru.ru_oublock;
   2887  1.31.2.2  skrll 		ki->p_uru_msgsnd = p->p_stats->p_ru.ru_msgsnd;
   2888  1.31.2.2  skrll 		ki->p_uru_msgrcv = p->p_stats->p_ru.ru_msgrcv;
   2889  1.31.2.2  skrll 		ki->p_uru_nsignals = p->p_stats->p_ru.ru_nsignals;
   2890  1.31.2.2  skrll 		ki->p_uru_nvcsw = p->p_stats->p_ru.ru_nvcsw;
   2891  1.31.2.2  skrll 		ki->p_uru_nivcsw = p->p_stats->p_ru.ru_nivcsw;
   2892  1.31.2.2  skrll 
   2893  1.31.2.2  skrll 		timeradd(&p->p_stats->p_cru.ru_utime,
   2894  1.31.2.2  skrll 			 &p->p_stats->p_cru.ru_stime, &ut);
   2895  1.31.2.2  skrll 		ki->p_uctime_sec = ut.tv_sec;
   2896  1.31.2.2  skrll 		ki->p_uctime_usec = ut.tv_usec;
   2897  1.31.2.2  skrll 	}
   2898  1.31.2.2  skrll #ifdef MULTIPROCESSOR
   2899  1.31.2.2  skrll 	if (l && l->l_cpu != NULL)
   2900  1.31.2.2  skrll 		ki->p_cpuid = l->l_cpu->ci_cpuid;
   2901  1.31.2.2  skrll 	else
   2902  1.31.2.2  skrll #endif
   2903  1.31.2.2  skrll 		ki->p_cpuid = KI_NOCPU;
   2904  1.31.2.2  skrll }
   2905  1.31.2.2  skrll 
   2906  1.31.2.2  skrll /*
   2907  1.31.2.2  skrll  * Fill in a kinfo_lwp structure for the specified lwp.
   2908  1.31.2.2  skrll  */
   2909  1.31.2.2  skrll static void
   2910  1.31.2.2  skrll fill_lwp(struct lwp *l, struct kinfo_lwp *kl)
   2911  1.31.2.2  skrll {
   2912  1.31.2.2  skrll 
   2913  1.31.2.2  skrll 	kl->l_forw = PTRTOUINT64(l->l_forw);
   2914  1.31.2.2  skrll 	kl->l_back = PTRTOUINT64(l->l_back);
   2915  1.31.2.2  skrll 	kl->l_laddr = PTRTOUINT64(l);
   2916  1.31.2.2  skrll 	kl->l_addr = PTRTOUINT64(l->l_addr);
   2917  1.31.2.2  skrll 	kl->l_stat = l->l_stat;
   2918  1.31.2.2  skrll 	kl->l_lid = l->l_lid;
   2919  1.31.2.2  skrll 	kl->l_flag = l->l_flag;
   2920  1.31.2.2  skrll 
   2921  1.31.2.2  skrll 	kl->l_swtime = l->l_swtime;
   2922  1.31.2.2  skrll 	kl->l_slptime = l->l_slptime;
   2923  1.31.2.2  skrll 	if (l->l_stat == LSONPROC) {
   2924  1.31.2.2  skrll 		KDASSERT(l->l_cpu != NULL);
   2925  1.31.2.2  skrll 		kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags;
   2926  1.31.2.2  skrll 	} else
   2927  1.31.2.2  skrll 		kl->l_schedflags = 0;
   2928  1.31.2.2  skrll 	kl->l_holdcnt = l->l_holdcnt;
   2929  1.31.2.2  skrll 	kl->l_priority = l->l_priority;
   2930  1.31.2.2  skrll 	kl->l_usrpri = l->l_usrpri;
   2931  1.31.2.2  skrll 	if (l->l_wmesg)
   2932  1.31.2.2  skrll 		strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg));
   2933  1.31.2.2  skrll 	kl->l_wchan = PTRTOUINT64(l->l_wchan);
   2934  1.31.2.2  skrll #ifdef MULTIPROCESSOR
   2935  1.31.2.2  skrll 	if (l->l_cpu != NULL)
   2936  1.31.2.2  skrll 		kl->l_cpuid = l->l_cpu->ci_cpuid;
   2937  1.31.2.2  skrll 	else
   2938  1.31.2.2  skrll #endif
   2939  1.31.2.2  skrll 		kl->l_cpuid = KI_NOCPU;
   2940  1.31.2.2  skrll }
   2941  1.31.2.2  skrll 
   2942  1.31.2.2  skrll /*
   2943  1.31.2.2  skrll  * Fill in an eproc structure for the specified process.
   2944  1.31.2.2  skrll  */
   2945  1.31.2.2  skrll void
   2946  1.31.2.2  skrll fill_eproc(struct proc *p, struct eproc *ep)
   2947  1.31.2.2  skrll {
   2948  1.31.2.2  skrll 	struct tty *tp;
   2949  1.31.2.2  skrll 	struct lwp *l;
   2950  1.31.2.2  skrll 
   2951  1.31.2.2  skrll 	ep->e_paddr = p;
   2952  1.31.2.2  skrll 	ep->e_sess = p->p_session;
   2953  1.31.2.2  skrll 	ep->e_pcred = *p->p_cred;
   2954  1.31.2.2  skrll 	ep->e_ucred = *p->p_ucred;
   2955  1.31.2.2  skrll 	if (p->p_stat == SIDL || P_ZOMBIE(p)) {
   2956  1.31.2.2  skrll 		ep->e_vm.vm_rssize = 0;
   2957  1.31.2.2  skrll 		ep->e_vm.vm_tsize = 0;
   2958  1.31.2.2  skrll 		ep->e_vm.vm_dsize = 0;
   2959  1.31.2.2  skrll 		ep->e_vm.vm_ssize = 0;
   2960  1.31.2.2  skrll 		/* ep->e_vm.vm_pmap = XXX; */
   2961  1.31.2.2  skrll 	} else {
   2962  1.31.2.2  skrll 		struct vmspace *vm = p->p_vmspace;
   2963  1.31.2.2  skrll 
   2964  1.31.2.2  skrll 		ep->e_vm.vm_rssize = vm_resident_count(vm);
   2965  1.31.2.2  skrll 		ep->e_vm.vm_tsize = vm->vm_tsize;
   2966  1.31.2.2  skrll 		ep->e_vm.vm_dsize = vm->vm_dsize;
   2967  1.31.2.2  skrll 		ep->e_vm.vm_ssize = vm->vm_ssize;
   2968  1.31.2.2  skrll 
   2969  1.31.2.2  skrll 		/* Pick a "representative" LWP */
   2970  1.31.2.2  skrll 		l = proc_representative_lwp(p);
   2971  1.31.2.2  skrll 
   2972  1.31.2.2  skrll 		if (l->l_wmesg)
   2973  1.31.2.2  skrll 			strncpy(ep->e_wmesg, l->l_wmesg, WMESGLEN);
   2974  1.31.2.2  skrll 	}
   2975  1.31.2.2  skrll 	if (p->p_pptr)
   2976  1.31.2.2  skrll 		ep->e_ppid = p->p_pptr->p_pid;
   2977  1.31.2.2  skrll 	else
   2978  1.31.2.2  skrll 		ep->e_ppid = 0;
   2979  1.31.2.2  skrll 	ep->e_pgid = p->p_pgrp->pg_id;
   2980  1.31.2.2  skrll 	ep->e_sid = ep->e_sess->s_sid;
   2981  1.31.2.2  skrll 	ep->e_jobc = p->p_pgrp->pg_jobc;
   2982  1.31.2.2  skrll 	if ((p->p_flag & P_CONTROLT) &&
   2983  1.31.2.2  skrll 	    (tp = ep->e_sess->s_ttyp)) {
   2984  1.31.2.2  skrll 		ep->e_tdev = tp->t_dev;
   2985  1.31.2.2  skrll 		ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PGID;
   2986  1.31.2.2  skrll 		ep->e_tsess = tp->t_session;
   2987  1.31.2.2  skrll 	} else
   2988  1.31.2.2  skrll 		ep->e_tdev = NODEV;
   2989  1.31.2.2  skrll 
   2990  1.31.2.2  skrll 	ep->e_xsize = ep->e_xrssize = 0;
   2991  1.31.2.2  skrll 	ep->e_xccount = ep->e_xswrss = 0;
   2992  1.31.2.2  skrll 	ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0;
   2993  1.31.2.2  skrll 	if (SESS_LEADER(p))
   2994  1.31.2.2  skrll 		ep->e_flag |= EPROC_SLEADER;
   2995  1.31.2.2  skrll 	strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME);
   2996  1.31.2.2  skrll }
   2997