init_sysctl.c revision 1.200
1 /* $NetBSD: init_sysctl.c,v 1.200 2014/02/25 01:02:42 justin Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2007, 2008, 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Brown, and by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.200 2014/02/25 01:02:42 justin Exp $"); 34 35 #include "opt_sysv.h" 36 #include "opt_compat_netbsd.h" 37 #include "opt_modular.h" 38 #include "pty.h" 39 40 #include <sys/types.h> 41 #include <sys/param.h> 42 #include <sys/sysctl.h> 43 #include <sys/cpu.h> 44 #include <sys/errno.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/unistd.h> 48 #include <sys/disklabel.h> 49 #include <sys/cprng.h> 50 #include <sys/vnode.h> 51 #include <sys/mount.h> 52 #include <sys/namei.h> 53 #include <sys/msgbuf.h> 54 #include <dev/cons.h> 55 #include <sys/socketvar.h> 56 #include <sys/file.h> 57 #include <sys/filedesc.h> 58 #include <sys/tty.h> 59 #include <sys/kmem.h> 60 #include <sys/resource.h> 61 #include <sys/resourcevar.h> 62 #include <sys/exec.h> 63 #include <sys/conf.h> 64 #include <sys/device.h> 65 #include <sys/stat.h> 66 #include <sys/kauth.h> 67 #include <sys/ktrace.h> 68 #include <sys/ksem.h> 69 70 #include <sys/cpu.h> 71 72 int security_setidcore_dump; 73 char security_setidcore_path[MAXPATHLEN] = "/var/crash/%n.core"; 74 uid_t security_setidcore_owner = 0; 75 gid_t security_setidcore_group = 0; 76 mode_t security_setidcore_mode = (S_IRUSR|S_IWUSR); 77 78 static const u_int sysctl_lwpprflagmap[] = { 79 LPR_DETACHED, L_DETACHED, 80 0 81 }; 82 83 /* 84 * try over estimating by 5 procs/lwps 85 */ 86 #define KERN_LWPSLOP (5 * sizeof(struct kinfo_lwp)) 87 88 static int dcopyout(struct lwp *, const void *, void *, size_t); 89 90 static int 91 dcopyout(struct lwp *l, const void *kaddr, void *uaddr, size_t len) 92 { 93 int error; 94 95 error = copyout(kaddr, uaddr, len); 96 ktrmibio(-1, UIO_READ, uaddr, len, error); 97 98 return error; 99 } 100 101 #ifdef DIAGNOSTIC 102 static int sysctl_kern_trigger_panic(SYSCTLFN_PROTO); 103 #endif 104 static int sysctl_kern_maxvnodes(SYSCTLFN_PROTO); 105 static int sysctl_kern_rtc_offset(SYSCTLFN_PROTO); 106 static int sysctl_kern_maxproc(SYSCTLFN_PROTO); 107 static int sysctl_kern_hostid(SYSCTLFN_PROTO); 108 static int sysctl_kern_clockrate(SYSCTLFN_PROTO); 109 static int sysctl_msgbuf(SYSCTLFN_PROTO); 110 static int sysctl_kern_defcorename(SYSCTLFN_PROTO); 111 static int sysctl_kern_cptime(SYSCTLFN_PROTO); 112 #if NPTY > 0 113 static int sysctl_kern_maxptys(SYSCTLFN_PROTO); 114 #endif /* NPTY > 0 */ 115 static int sysctl_kern_lwp(SYSCTLFN_PROTO); 116 static int sysctl_kern_forkfsleep(SYSCTLFN_PROTO); 117 static int sysctl_kern_root_partition(SYSCTLFN_PROTO); 118 static int sysctl_kern_drivers(SYSCTLFN_PROTO); 119 static int sysctl_security_setidcore(SYSCTLFN_PROTO); 120 static int sysctl_security_setidcorename(SYSCTLFN_PROTO); 121 static int sysctl_kern_cpid(SYSCTLFN_PROTO); 122 static int sysctl_hw_usermem(SYSCTLFN_PROTO); 123 static int sysctl_hw_cnmagic(SYSCTLFN_PROTO); 124 125 static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl); 126 127 /* 128 * ******************************************************************** 129 * section 1: setup routines 130 * ******************************************************************** 131 * These functions are stuffed into a link set for sysctl setup 132 * functions. They're never called or referenced from anywhere else. 133 * ******************************************************************** 134 */ 135 136 /* 137 * this setup routine is a replacement for kern_sysctl() 138 */ 139 SYSCTL_SETUP(sysctl_kern_setup, "sysctl kern subtree setup") 140 { 141 extern int kern_logsigexit; /* defined in kern/kern_sig.c */ 142 extern fixpt_t ccpu; /* defined in kern/kern_synch.c */ 143 extern int dumponpanic; /* defined in kern/subr_prf.c */ 144 const struct sysctlnode *rnode; 145 146 sysctl_createv(clog, 0, NULL, NULL, 147 CTLFLAG_PERMANENT, 148 CTLTYPE_NODE, "kern", NULL, 149 NULL, 0, NULL, 0, 150 CTL_KERN, CTL_EOL); 151 152 sysctl_createv(clog, 0, NULL, NULL, 153 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 154 CTLTYPE_INT, "maxvnodes", 155 SYSCTL_DESCR("Maximum number of vnodes"), 156 sysctl_kern_maxvnodes, 0, NULL, 0, 157 CTL_KERN, KERN_MAXVNODES, CTL_EOL); 158 sysctl_createv(clog, 0, NULL, NULL, 159 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 160 CTLTYPE_INT, "maxproc", 161 SYSCTL_DESCR("Maximum number of simultaneous processes"), 162 sysctl_kern_maxproc, 0, NULL, 0, 163 CTL_KERN, KERN_MAXPROC, CTL_EOL); 164 sysctl_createv(clog, 0, NULL, NULL, 165 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 166 CTLTYPE_INT, "maxfiles", 167 SYSCTL_DESCR("Maximum number of open files"), 168 NULL, 0, &maxfiles, 0, 169 CTL_KERN, KERN_MAXFILES, CTL_EOL); 170 sysctl_createv(clog, 0, NULL, NULL, 171 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 172 CTLTYPE_INT, "argmax", 173 SYSCTL_DESCR("Maximum number of bytes of arguments to " 174 "execve(2)"), 175 NULL, ARG_MAX, NULL, 0, 176 CTL_KERN, KERN_ARGMAX, CTL_EOL); 177 sysctl_createv(clog, 0, NULL, NULL, 178 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 179 CTLTYPE_INT, "hostid", 180 SYSCTL_DESCR("System host ID number"), 181 sysctl_kern_hostid, 0, NULL, 0, 182 CTL_KERN, KERN_HOSTID, CTL_EOL); 183 sysctl_createv(clog, 0, NULL, NULL, 184 CTLFLAG_PERMANENT, 185 CTLTYPE_STRUCT, "clockrate", 186 SYSCTL_DESCR("Kernel clock rates"), 187 sysctl_kern_clockrate, 0, NULL, 188 sizeof(struct clockinfo), 189 CTL_KERN, KERN_CLOCKRATE, CTL_EOL); 190 sysctl_createv(clog, 0, NULL, NULL, 191 CTLFLAG_PERMANENT, 192 CTLTYPE_INT, "hardclock_ticks", 193 SYSCTL_DESCR("Number of hardclock ticks"), 194 NULL, 0, &hardclock_ticks, sizeof(hardclock_ticks), 195 CTL_KERN, KERN_HARDCLOCK_TICKS, CTL_EOL); 196 sysctl_createv(clog, 0, NULL, NULL, 197 CTLFLAG_PERMANENT, 198 CTLTYPE_STRUCT, "vnode", 199 SYSCTL_DESCR("System vnode table"), 200 sysctl_kern_vnode, 0, NULL, 0, 201 CTL_KERN, KERN_VNODE, CTL_EOL); 202 #ifndef GPROF 203 sysctl_createv(clog, 0, NULL, NULL, 204 CTLFLAG_PERMANENT, 205 CTLTYPE_NODE, "profiling", 206 SYSCTL_DESCR("Profiling information (not available)"), 207 sysctl_notavail, 0, NULL, 0, 208 CTL_KERN, KERN_PROF, CTL_EOL); 209 #endif 210 sysctl_createv(clog, 0, NULL, NULL, 211 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 212 CTLTYPE_INT, "posix1version", 213 SYSCTL_DESCR("Version of ISO/IEC 9945 (POSIX 1003.1) " 214 "with which the operating system attempts " 215 "to comply"), 216 NULL, _POSIX_VERSION, NULL, 0, 217 CTL_KERN, KERN_POSIX1, CTL_EOL); 218 sysctl_createv(clog, 0, NULL, NULL, 219 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 220 CTLTYPE_INT, "ngroups", 221 SYSCTL_DESCR("Maximum number of supplemental groups"), 222 NULL, NGROUPS_MAX, NULL, 0, 223 CTL_KERN, KERN_NGROUPS, CTL_EOL); 224 sysctl_createv(clog, 0, NULL, NULL, 225 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 226 CTLTYPE_INT, "job_control", 227 SYSCTL_DESCR("Whether job control is available"), 228 NULL, 1, NULL, 0, 229 CTL_KERN, KERN_JOB_CONTROL, CTL_EOL); 230 sysctl_createv(clog, 0, NULL, NULL, 231 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 232 CTLTYPE_INT, "saved_ids", 233 SYSCTL_DESCR("Whether POSIX saved set-group/user ID is " 234 "available"), NULL, 235 #ifdef _POSIX_SAVED_IDS 236 1, 237 #else /* _POSIX_SAVED_IDS */ 238 0, 239 #endif /* _POSIX_SAVED_IDS */ 240 NULL, 0, CTL_KERN, KERN_SAVED_IDS, CTL_EOL); 241 sysctl_createv(clog, 0, NULL, NULL, 242 CTLFLAG_PERMANENT|CTLFLAG_HEX, 243 CTLTYPE_INT, "boothowto", 244 SYSCTL_DESCR("Flags from boot loader"), 245 NULL, 0, &boothowto, sizeof(boothowto), 246 CTL_KERN, CTL_CREATE, CTL_EOL); 247 sysctl_createv(clog, 0, NULL, NULL, 248 CTLFLAG_PERMANENT, 249 CTLTYPE_STRUCT, "boottime", 250 SYSCTL_DESCR("System boot time"), 251 NULL, 0, &boottime, sizeof(boottime), 252 CTL_KERN, KERN_BOOTTIME, CTL_EOL); 253 sysctl_createv(clog, 0, NULL, NULL, 254 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 255 CTLTYPE_INT, "maxpartitions", 256 SYSCTL_DESCR("Maximum number of partitions allowed per " 257 "disk"), 258 NULL, MAXPARTITIONS, NULL, 0, 259 CTL_KERN, KERN_MAXPARTITIONS, CTL_EOL); 260 sysctl_createv(clog, 0, NULL, NULL, 261 CTLFLAG_PERMANENT, 262 CTLTYPE_STRUCT, "timex", NULL, 263 sysctl_notavail, 0, NULL, 0, 264 CTL_KERN, KERN_TIMEX, CTL_EOL); 265 sysctl_createv(clog, 0, NULL, NULL, 266 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 267 CTLTYPE_INT, "rtc_offset", 268 SYSCTL_DESCR("Offset of real time clock from UTC in " 269 "minutes"), 270 sysctl_kern_rtc_offset, 0, &rtc_offset, 0, 271 CTL_KERN, KERN_RTC_OFFSET, CTL_EOL); 272 sysctl_createv(clog, 0, NULL, NULL, 273 CTLFLAG_PERMANENT, 274 CTLTYPE_STRING, "root_device", 275 SYSCTL_DESCR("Name of the root device"), 276 sysctl_root_device, 0, NULL, 0, 277 CTL_KERN, KERN_ROOT_DEVICE, CTL_EOL); 278 sysctl_createv(clog, 0, NULL, NULL, 279 CTLFLAG_PERMANENT, 280 CTLTYPE_INT, "msgbufsize", 281 SYSCTL_DESCR("Size of the kernel message buffer"), 282 sysctl_msgbuf, 0, NULL, 0, 283 CTL_KERN, KERN_MSGBUFSIZE, CTL_EOL); 284 sysctl_createv(clog, 0, NULL, NULL, 285 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 286 CTLTYPE_INT, "fsync", 287 SYSCTL_DESCR("Whether the POSIX 1003.1b File " 288 "Synchronization Option is available on " 289 "this system"), 290 NULL, 1, NULL, 0, 291 CTL_KERN, KERN_FSYNC, CTL_EOL); 292 sysctl_createv(clog, 0, NULL, NULL, 293 CTLFLAG_PERMANENT, 294 CTLTYPE_NODE, "ipc", 295 SYSCTL_DESCR("SysV IPC options"), 296 NULL, 0, NULL, 0, 297 CTL_KERN, KERN_SYSVIPC, CTL_EOL); 298 sysctl_createv(clog, 0, NULL, NULL, 299 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 300 CTLTYPE_INT, "sysvmsg", 301 SYSCTL_DESCR("System V style message support available"), 302 NULL, 303 #ifdef SYSVMSG 304 1, 305 #else /* SYSVMSG */ 306 0, 307 #endif /* SYSVMSG */ 308 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_MSG, CTL_EOL); 309 sysctl_createv(clog, 0, NULL, NULL, 310 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 311 CTLTYPE_INT, "sysvsem", 312 SYSCTL_DESCR("System V style semaphore support " 313 "available"), NULL, 314 #ifdef SYSVSEM 315 1, 316 #else /* SYSVSEM */ 317 0, 318 #endif /* SYSVSEM */ 319 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SEM, CTL_EOL); 320 sysctl_createv(clog, 0, NULL, NULL, 321 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 322 CTLTYPE_INT, "sysvshm", 323 SYSCTL_DESCR("System V style shared memory support " 324 "available"), NULL, 325 #ifdef SYSVSHM 326 1, 327 #else /* SYSVSHM */ 328 0, 329 #endif /* SYSVSHM */ 330 NULL, 0, CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SHM, CTL_EOL); 331 sysctl_createv(clog, 0, NULL, NULL, 332 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 333 CTLTYPE_INT, "synchronized_io", 334 SYSCTL_DESCR("Whether the POSIX 1003.1b Synchronized " 335 "I/O Option is available on this system"), 336 NULL, 1, NULL, 0, 337 CTL_KERN, KERN_SYNCHRONIZED_IO, CTL_EOL); 338 sysctl_createv(clog, 0, NULL, NULL, 339 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 340 CTLTYPE_INT, "iov_max", 341 SYSCTL_DESCR("Maximum number of iovec structures per " 342 "process"), 343 NULL, IOV_MAX, NULL, 0, 344 CTL_KERN, KERN_IOV_MAX, CTL_EOL); 345 sysctl_createv(clog, 0, NULL, NULL, 346 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 347 CTLTYPE_INT, "mapped_files", 348 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory Mapped " 349 "Files Option is available on this system"), 350 NULL, 1, NULL, 0, 351 CTL_KERN, KERN_MAPPED_FILES, CTL_EOL); 352 sysctl_createv(clog, 0, NULL, NULL, 353 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 354 CTLTYPE_INT, "memlock", 355 SYSCTL_DESCR("Whether the POSIX 1003.1b Process Memory " 356 "Locking Option is available on this " 357 "system"), 358 NULL, 1, NULL, 0, 359 CTL_KERN, KERN_MEMLOCK, CTL_EOL); 360 sysctl_createv(clog, 0, NULL, NULL, 361 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 362 CTLTYPE_INT, "memlock_range", 363 SYSCTL_DESCR("Whether the POSIX 1003.1b Range Memory " 364 "Locking Option is available on this " 365 "system"), 366 NULL, 1, NULL, 0, 367 CTL_KERN, KERN_MEMLOCK_RANGE, CTL_EOL); 368 sysctl_createv(clog, 0, NULL, NULL, 369 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 370 CTLTYPE_INT, "memory_protection", 371 SYSCTL_DESCR("Whether the POSIX 1003.1b Memory " 372 "Protection Option is available on this " 373 "system"), 374 NULL, 1, NULL, 0, 375 CTL_KERN, KERN_MEMORY_PROTECTION, CTL_EOL); 376 sysctl_createv(clog, 0, NULL, NULL, 377 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 378 CTLTYPE_INT, "login_name_max", 379 SYSCTL_DESCR("Maximum login name length"), 380 NULL, LOGIN_NAME_MAX, NULL, 0, 381 CTL_KERN, KERN_LOGIN_NAME_MAX, CTL_EOL); 382 sysctl_createv(clog, 0, NULL, NULL, 383 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 384 CTLTYPE_STRING, "defcorename", 385 SYSCTL_DESCR("Default core file name"), 386 sysctl_kern_defcorename, 0, defcorename, MAXPATHLEN, 387 CTL_KERN, KERN_DEFCORENAME, CTL_EOL); 388 sysctl_createv(clog, 0, NULL, NULL, 389 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 390 CTLTYPE_INT, "logsigexit", 391 SYSCTL_DESCR("Log process exit when caused by signals"), 392 NULL, 0, &kern_logsigexit, 0, 393 CTL_KERN, KERN_LOGSIGEXIT, CTL_EOL); 394 sysctl_createv(clog, 0, NULL, NULL, 395 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 396 CTLTYPE_INT, "fscale", 397 SYSCTL_DESCR("Kernel fixed-point scale factor"), 398 NULL, FSCALE, NULL, 0, 399 CTL_KERN, KERN_FSCALE, CTL_EOL); 400 sysctl_createv(clog, 0, NULL, NULL, 401 CTLFLAG_PERMANENT, 402 CTLTYPE_INT, "ccpu", 403 SYSCTL_DESCR("Scheduler exponential decay value"), 404 NULL, 0, &ccpu, 0, 405 CTL_KERN, KERN_CCPU, CTL_EOL); 406 sysctl_createv(clog, 0, NULL, NULL, 407 CTLFLAG_PERMANENT, 408 CTLTYPE_STRUCT, "cp_time", 409 SYSCTL_DESCR("Clock ticks spent in different CPU states"), 410 sysctl_kern_cptime, 0, NULL, 0, 411 CTL_KERN, KERN_CP_TIME, CTL_EOL); 412 sysctl_createv(clog, 0, NULL, NULL, 413 CTLFLAG_PERMANENT, 414 CTLTYPE_INT, "msgbuf", 415 SYSCTL_DESCR("Kernel message buffer"), 416 sysctl_msgbuf, 0, NULL, 0, 417 CTL_KERN, KERN_MSGBUF, CTL_EOL); 418 sysctl_createv(clog, 0, NULL, NULL, 419 CTLFLAG_PERMANENT, 420 CTLTYPE_STRUCT, "consdev", 421 SYSCTL_DESCR("Console device"), 422 sysctl_consdev, 0, NULL, sizeof(dev_t), 423 CTL_KERN, KERN_CONSDEV, CTL_EOL); 424 #if NPTY > 0 425 sysctl_createv(clog, 0, NULL, NULL, 426 CTLFLAG_PERMANENT, 427 CTLTYPE_INT, "maxptys", 428 SYSCTL_DESCR("Maximum number of pseudo-ttys"), 429 sysctl_kern_maxptys, 0, NULL, 0, 430 CTL_KERN, KERN_MAXPTYS, CTL_EOL); 431 #endif /* NPTY > 0 */ 432 sysctl_createv(clog, 0, NULL, NULL, 433 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 434 CTLTYPE_INT, "maxphys", 435 SYSCTL_DESCR("Maximum raw I/O transfer size"), 436 NULL, MAXPHYS, NULL, 0, 437 CTL_KERN, KERN_MAXPHYS, CTL_EOL); 438 sysctl_createv(clog, 0, NULL, NULL, 439 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 440 CTLTYPE_INT, "monotonic_clock", 441 SYSCTL_DESCR("Implementation version of the POSIX " 442 "1003.1b Monotonic Clock Option"), 443 /* XXX _POSIX_VERSION */ 444 NULL, _POSIX_MONOTONIC_CLOCK, NULL, 0, 445 CTL_KERN, KERN_MONOTONIC_CLOCK, CTL_EOL); 446 sysctl_createv(clog, 0, NULL, NULL, 447 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 448 CTLTYPE_INT, "labelsector", 449 SYSCTL_DESCR("Sector number containing the disklabel"), 450 NULL, LABELSECTOR, NULL, 0, 451 CTL_KERN, KERN_LABELSECTOR, CTL_EOL); 452 sysctl_createv(clog, 0, NULL, NULL, 453 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 454 CTLTYPE_INT, "labeloffset", 455 SYSCTL_DESCR("Offset of the disklabel within the " 456 "sector"), 457 NULL, LABELOFFSET, NULL, 0, 458 CTL_KERN, KERN_LABELOFFSET, CTL_EOL); 459 sysctl_createv(clog, 0, NULL, NULL, 460 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 461 CTLTYPE_INT, "labelusesmbr", 462 SYSCTL_DESCR("disklabel is inside MBR partition"), 463 NULL, LABELUSESMBR, NULL, 0, 464 CTL_KERN, CTL_CREATE, CTL_EOL); 465 sysctl_createv(clog, 0, NULL, NULL, 466 CTLFLAG_PERMANENT, 467 CTLTYPE_NODE, "lwp", 468 SYSCTL_DESCR("System-wide LWP information"), 469 sysctl_kern_lwp, 0, NULL, 0, 470 CTL_KERN, KERN_LWP, CTL_EOL); 471 sysctl_createv(clog, 0, NULL, NULL, 472 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 473 CTLTYPE_INT, "forkfsleep", 474 SYSCTL_DESCR("Milliseconds to sleep on fork failure due " 475 "to process limits"), 476 sysctl_kern_forkfsleep, 0, NULL, 0, 477 CTL_KERN, KERN_FORKFSLEEP, CTL_EOL); 478 sysctl_createv(clog, 0, NULL, NULL, 479 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 480 CTLTYPE_INT, "posix_threads", 481 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 482 "Threads option to which the system " 483 "attempts to conform"), 484 /* XXX _POSIX_VERSION */ 485 NULL, _POSIX_THREADS, NULL, 0, 486 CTL_KERN, KERN_POSIX_THREADS, CTL_EOL); 487 sysctl_createv(clog, 0, NULL, NULL, 488 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 489 CTLTYPE_INT, "posix_semaphores", 490 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 491 "Semaphores option to which the system " 492 "attempts to conform"), NULL, 493 200112, NULL, 0, 494 CTL_KERN, KERN_POSIX_SEMAPHORES, CTL_EOL); 495 sysctl_createv(clog, 0, NULL, NULL, 496 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 497 CTLTYPE_INT, "posix_barriers", 498 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 499 "Barriers option to which the system " 500 "attempts to conform"), 501 /* XXX _POSIX_VERSION */ 502 NULL, _POSIX_BARRIERS, NULL, 0, 503 CTL_KERN, KERN_POSIX_BARRIERS, CTL_EOL); 504 sysctl_createv(clog, 0, NULL, NULL, 505 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 506 CTLTYPE_INT, "posix_timers", 507 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 508 "Timers option to which the system " 509 "attempts to conform"), 510 /* XXX _POSIX_VERSION */ 511 NULL, _POSIX_TIMERS, NULL, 0, 512 CTL_KERN, KERN_POSIX_TIMERS, CTL_EOL); 513 sysctl_createv(clog, 0, NULL, NULL, 514 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 515 CTLTYPE_INT, "posix_spin_locks", 516 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its Spin " 517 "Locks option to which the system attempts " 518 "to conform"), 519 /* XXX _POSIX_VERSION */ 520 NULL, _POSIX_SPIN_LOCKS, NULL, 0, 521 CTL_KERN, KERN_POSIX_SPIN_LOCKS, CTL_EOL); 522 sysctl_createv(clog, 0, NULL, NULL, 523 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 524 CTLTYPE_INT, "posix_reader_writer_locks", 525 SYSCTL_DESCR("Version of IEEE Std 1003.1 and its " 526 "Read-Write Locks option to which the " 527 "system attempts to conform"), 528 /* XXX _POSIX_VERSION */ 529 NULL, _POSIX_READER_WRITER_LOCKS, NULL, 0, 530 CTL_KERN, KERN_POSIX_READER_WRITER_LOCKS, CTL_EOL); 531 sysctl_createv(clog, 0, NULL, NULL, 532 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 533 CTLTYPE_INT, "dump_on_panic", 534 SYSCTL_DESCR("Perform a crash dump on system panic"), 535 NULL, 0, &dumponpanic, 0, 536 CTL_KERN, KERN_DUMP_ON_PANIC, CTL_EOL); 537 #ifdef DIAGNOSTIC 538 sysctl_createv(clog, 0, NULL, NULL, 539 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 540 CTLTYPE_INT, "panic_now", 541 SYSCTL_DESCR("Trigger a panic"), 542 sysctl_kern_trigger_panic, 0, NULL, 0, 543 CTL_KERN, CTL_CREATE, CTL_EOL); 544 #endif 545 sysctl_createv(clog, 0, NULL, NULL, 546 CTLFLAG_PERMANENT, 547 CTLTYPE_INT, "root_partition", 548 SYSCTL_DESCR("Root partition on the root device"), 549 sysctl_kern_root_partition, 0, NULL, 0, 550 CTL_KERN, KERN_ROOT_PARTITION, CTL_EOL); 551 sysctl_createv(clog, 0, NULL, NULL, 552 CTLFLAG_PERMANENT, 553 CTLTYPE_STRUCT, "drivers", 554 SYSCTL_DESCR("List of all drivers with block and " 555 "character device numbers"), 556 sysctl_kern_drivers, 0, NULL, 0, 557 CTL_KERN, KERN_DRIVERS, CTL_EOL); 558 sysctl_createv(clog, 0, NULL, NULL, 559 CTLFLAG_PERMANENT, 560 CTLTYPE_STRUCT, "cp_id", 561 SYSCTL_DESCR("Mapping of CPU number to CPU id"), 562 sysctl_kern_cpid, 0, NULL, 0, 563 CTL_KERN, KERN_CP_ID, CTL_EOL); 564 sysctl_createv(clog, 0, NULL, &rnode, 565 CTLFLAG_PERMANENT, 566 CTLTYPE_NODE, "coredump", 567 SYSCTL_DESCR("Coredump settings."), 568 NULL, 0, NULL, 0, 569 CTL_KERN, CTL_CREATE, CTL_EOL); 570 sysctl_createv(clog, 0, &rnode, &rnode, 571 CTLFLAG_PERMANENT, 572 CTLTYPE_NODE, "setid", 573 SYSCTL_DESCR("Set-id processes' coredump settings."), 574 NULL, 0, NULL, 0, 575 CTL_CREATE, CTL_EOL); 576 sysctl_createv(clog, 0, &rnode, NULL, 577 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 578 CTLTYPE_INT, "dump", 579 SYSCTL_DESCR("Allow set-id processes to dump core."), 580 sysctl_security_setidcore, 0, &security_setidcore_dump, 581 sizeof(security_setidcore_dump), 582 CTL_CREATE, CTL_EOL); 583 sysctl_createv(clog, 0, &rnode, NULL, 584 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 585 CTLTYPE_STRING, "path", 586 SYSCTL_DESCR("Path pattern for set-id coredumps."), 587 sysctl_security_setidcorename, 0, 588 security_setidcore_path, 589 sizeof(security_setidcore_path), 590 CTL_CREATE, CTL_EOL); 591 sysctl_createv(clog, 0, &rnode, NULL, 592 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 593 CTLTYPE_INT, "owner", 594 SYSCTL_DESCR("Owner id for set-id processes' cores."), 595 sysctl_security_setidcore, 0, &security_setidcore_owner, 596 0, 597 CTL_CREATE, CTL_EOL); 598 sysctl_createv(clog, 0, &rnode, NULL, 599 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 600 CTLTYPE_INT, "group", 601 SYSCTL_DESCR("Group id for set-id processes' cores."), 602 sysctl_security_setidcore, 0, &security_setidcore_group, 603 0, 604 CTL_CREATE, CTL_EOL); 605 sysctl_createv(clog, 0, &rnode, NULL, 606 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 607 CTLTYPE_INT, "mode", 608 SYSCTL_DESCR("Mode for set-id processes' cores."), 609 sysctl_security_setidcore, 0, &security_setidcore_mode, 610 0, 611 CTL_CREATE, CTL_EOL); 612 sysctl_createv(clog, 0, NULL, NULL, 613 CTLFLAG_IMMEDIATE|CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 614 CTLTYPE_INT, "no_sa_support", 615 SYSCTL_DESCR("0 if the kernel supports SA, otherwise " 616 "it doesn't"), 617 NULL, 1, NULL, 0, 618 CTL_KERN, CTL_CREATE, CTL_EOL); 619 /* kern.posix. */ 620 sysctl_createv(clog, 0, NULL, &rnode, 621 CTLFLAG_PERMANENT, 622 CTLTYPE_NODE, "posix", 623 SYSCTL_DESCR("POSIX options"), 624 NULL, 0, NULL, 0, 625 CTL_KERN, CTL_CREATE, CTL_EOL); 626 sysctl_createv(clog, 0, &rnode, NULL, 627 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 628 CTLTYPE_INT, "semmax", 629 SYSCTL_DESCR("Maximal number of semaphores"), 630 NULL, 0, &ksem_max, 0, 631 CTL_CREATE, CTL_EOL); 632 sysctl_createv(clog, 0, NULL, NULL, 633 CTLFLAG_PERMANENT, 634 CTLTYPE_STRING, "configname", 635 SYSCTL_DESCR("Name of config file"), 636 NULL, 0, __UNCONST(kernel_ident), 0, 637 CTL_KERN, CTL_CREATE, CTL_EOL); 638 } 639 640 SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup") 641 { 642 u_int u; 643 u_quad_t q; 644 645 sysctl_createv(clog, 0, NULL, NULL, 646 CTLFLAG_PERMANENT, 647 CTLTYPE_NODE, "hw", NULL, 648 NULL, 0, NULL, 0, 649 CTL_HW, CTL_EOL); 650 651 sysctl_createv(clog, 0, NULL, NULL, 652 CTLFLAG_PERMANENT, 653 CTLTYPE_STRING, "machine", 654 SYSCTL_DESCR("Machine class"), 655 NULL, 0, machine, 0, 656 CTL_HW, HW_MACHINE, CTL_EOL); 657 sysctl_createv(clog, 0, NULL, NULL, 658 CTLFLAG_PERMANENT, 659 CTLTYPE_STRING, "model", 660 SYSCTL_DESCR("Machine model"), 661 NULL, 0, cpu_model, 0, 662 CTL_HW, HW_MODEL, CTL_EOL); 663 sysctl_createv(clog, 0, NULL, NULL, 664 CTLFLAG_PERMANENT, 665 CTLTYPE_INT, "ncpu", 666 SYSCTL_DESCR("Number of CPUs configured"), 667 NULL, 0, &ncpu, 0, 668 CTL_HW, HW_NCPU, CTL_EOL); 669 sysctl_createv(clog, 0, NULL, NULL, 670 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 671 CTLTYPE_INT, "byteorder", 672 SYSCTL_DESCR("System byte order"), 673 NULL, BYTE_ORDER, NULL, 0, 674 CTL_HW, HW_BYTEORDER, CTL_EOL); 675 u = ((u_int)physmem > (UINT_MAX / PAGE_SIZE)) ? 676 UINT_MAX : physmem * PAGE_SIZE; 677 sysctl_createv(clog, 0, NULL, NULL, 678 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 679 CTLTYPE_INT, "physmem", 680 SYSCTL_DESCR("Bytes of physical memory"), 681 NULL, u, NULL, 0, 682 CTL_HW, HW_PHYSMEM, CTL_EOL); 683 sysctl_createv(clog, 0, NULL, NULL, 684 CTLFLAG_PERMANENT, 685 CTLTYPE_INT, "usermem", 686 SYSCTL_DESCR("Bytes of non-kernel memory"), 687 sysctl_hw_usermem, 0, NULL, 0, 688 CTL_HW, HW_USERMEM, CTL_EOL); 689 sysctl_createv(clog, 0, NULL, NULL, 690 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 691 CTLTYPE_INT, "pagesize", 692 SYSCTL_DESCR("Software page size"), 693 NULL, PAGE_SIZE, NULL, 0, 694 CTL_HW, HW_PAGESIZE, CTL_EOL); 695 sysctl_createv(clog, 0, NULL, NULL, 696 CTLFLAG_PERMANENT, 697 CTLTYPE_STRING, "machine_arch", 698 SYSCTL_DESCR("Machine CPU class"), 699 NULL, 0, machine_arch, 0, 700 CTL_HW, HW_MACHINE_ARCH, CTL_EOL); 701 sysctl_createv(clog, 0, NULL, NULL, 702 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 703 CTLTYPE_INT, "alignbytes", 704 SYSCTL_DESCR("Alignment constraint for all possible " 705 "data types"), 706 NULL, ALIGNBYTES, NULL, 0, 707 CTL_HW, HW_ALIGNBYTES, CTL_EOL); 708 sysctl_createv(clog, 0, NULL, NULL, 709 CTLFLAG_PERMANENT|CTLFLAG_READWRITE|CTLFLAG_HEX, 710 CTLTYPE_STRING, "cnmagic", 711 SYSCTL_DESCR("Console magic key sequence"), 712 sysctl_hw_cnmagic, 0, NULL, CNS_LEN, 713 CTL_HW, HW_CNMAGIC, CTL_EOL); 714 q = (u_quad_t)physmem * PAGE_SIZE; 715 sysctl_createv(clog, 0, NULL, NULL, 716 CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE, 717 CTLTYPE_QUAD, "physmem64", 718 SYSCTL_DESCR("Bytes of physical memory"), 719 NULL, q, NULL, 0, 720 CTL_HW, HW_PHYSMEM64, CTL_EOL); 721 sysctl_createv(clog, 0, NULL, NULL, 722 CTLFLAG_PERMANENT, 723 CTLTYPE_QUAD, "usermem64", 724 SYSCTL_DESCR("Bytes of non-kernel memory"), 725 sysctl_hw_usermem, 0, NULL, 0, 726 CTL_HW, HW_USERMEM64, CTL_EOL); 727 sysctl_createv(clog, 0, NULL, NULL, 728 CTLFLAG_PERMANENT, 729 CTLTYPE_INT, "ncpuonline", 730 SYSCTL_DESCR("Number of CPUs online"), 731 NULL, 0, &ncpuonline, 0, 732 CTL_HW, HW_NCPUONLINE, CTL_EOL); 733 } 734 735 #ifdef DEBUG 736 /* 737 * Debugging related system variables. 738 */ 739 struct ctldebug /* debug0, */ /* debug1, */ debug2, debug3, debug4; 740 struct ctldebug debug5, debug6, debug7, debug8, debug9; 741 struct ctldebug debug10, debug11, debug12, debug13, debug14; 742 struct ctldebug debug15, debug16, debug17, debug18, debug19; 743 static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 744 &debug0, &debug1, &debug2, &debug3, &debug4, 745 &debug5, &debug6, &debug7, &debug8, &debug9, 746 &debug10, &debug11, &debug12, &debug13, &debug14, 747 &debug15, &debug16, &debug17, &debug18, &debug19, 748 }; 749 750 /* 751 * this setup routine is a replacement for debug_sysctl() 752 * 753 * note that it creates several nodes per defined debug variable 754 */ 755 SYSCTL_SETUP(sysctl_debug_setup, "sysctl debug subtree setup") 756 { 757 struct ctldebug *cdp; 758 char nodename[20]; 759 int i; 760 761 /* 762 * two ways here: 763 * 764 * the "old" way (debug.name -> value) which was emulated by 765 * the sysctl(8) binary 766 * 767 * the new way, which the sysctl(8) binary was actually using 768 769 node debug 770 node debug.0 771 string debug.0.name 772 int debug.0.value 773 int debug.name 774 775 */ 776 777 sysctl_createv(clog, 0, NULL, NULL, 778 CTLFLAG_PERMANENT, 779 CTLTYPE_NODE, "debug", NULL, 780 NULL, 0, NULL, 0, 781 CTL_DEBUG, CTL_EOL); 782 783 for (i = 0; i < CTL_DEBUG_MAXID; i++) { 784 cdp = debugvars[i]; 785 if (cdp->debugname == NULL || cdp->debugvar == NULL) 786 continue; 787 788 snprintf(nodename, sizeof(nodename), "debug%d", i); 789 sysctl_createv(clog, 0, NULL, NULL, 790 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 791 CTLTYPE_NODE, nodename, NULL, 792 NULL, 0, NULL, 0, 793 CTL_DEBUG, i, CTL_EOL); 794 sysctl_createv(clog, 0, NULL, NULL, 795 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 796 CTLTYPE_STRING, "name", NULL, 797 /*XXXUNCONST*/ 798 NULL, 0, __UNCONST(cdp->debugname), 0, 799 CTL_DEBUG, i, CTL_DEBUG_NAME, CTL_EOL); 800 sysctl_createv(clog, 0, NULL, NULL, 801 CTLFLAG_PERMANENT|CTLFLAG_HIDDEN, 802 CTLTYPE_INT, "value", NULL, 803 NULL, 0, cdp->debugvar, 0, 804 CTL_DEBUG, i, CTL_DEBUG_VALUE, CTL_EOL); 805 sysctl_createv(clog, 0, NULL, NULL, 806 CTLFLAG_PERMANENT, 807 CTLTYPE_INT, cdp->debugname, NULL, 808 NULL, 0, cdp->debugvar, 0, 809 CTL_DEBUG, CTL_CREATE, CTL_EOL); 810 } 811 } 812 #endif /* DEBUG */ 813 814 /* 815 * ******************************************************************** 816 * section 2: private node-specific helper routines. 817 * ******************************************************************** 818 */ 819 820 #ifdef DIAGNOSTIC 821 static int 822 sysctl_kern_trigger_panic(SYSCTLFN_ARGS) 823 { 824 int newtrig, error; 825 struct sysctlnode node; 826 827 newtrig = 0; 828 node = *rnode; 829 node.sysctl_data = &newtrig; 830 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 831 if (error || newp == NULL) 832 return (error); 833 834 if (newtrig != 0) 835 panic("Panic triggered"); 836 837 return (error); 838 } 839 #endif 840 841 /* 842 * sysctl helper routine for kern.maxvnodes. Drain vnodes if 843 * new value is lower than desiredvnodes and then calls reinit 844 * routines that needs to adjust to the new value. 845 */ 846 static int 847 sysctl_kern_maxvnodes(SYSCTLFN_ARGS) 848 { 849 int error, new_vnodes, old_vnodes, new_max; 850 struct sysctlnode node; 851 852 new_vnodes = desiredvnodes; 853 node = *rnode; 854 node.sysctl_data = &new_vnodes; 855 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 856 if (error || newp == NULL) 857 return (error); 858 859 /* 860 * sysctl passes down unsigned values, require them 861 * to be positive 862 */ 863 if (new_vnodes <= 0) 864 return (EINVAL); 865 866 /* Limits: 75% of kmem and physical memory. */ 867 new_max = calc_cache_size(vmem_size(kmem_arena, VMEM_FREE|VMEM_ALLOC), 868 75, 75) / VNODE_COST; 869 if (new_vnodes > new_max) 870 new_vnodes = new_max; 871 872 old_vnodes = desiredvnodes; 873 desiredvnodes = new_vnodes; 874 if (new_vnodes < old_vnodes) { 875 error = vfs_drainvnodes(new_vnodes); 876 if (error) { 877 desiredvnodes = old_vnodes; 878 return (error); 879 } 880 } 881 vfs_reinit(); 882 nchreinit(); 883 884 return (0); 885 } 886 887 /* 888 * sysctl helper routine for rtc_offset - set time after changes 889 */ 890 static int 891 sysctl_kern_rtc_offset(SYSCTLFN_ARGS) 892 { 893 struct timespec ts, delta; 894 int error, new_rtc_offset; 895 struct sysctlnode node; 896 897 new_rtc_offset = rtc_offset; 898 node = *rnode; 899 node.sysctl_data = &new_rtc_offset; 900 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 901 if (error || newp == NULL) 902 return (error); 903 904 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_TIME, 905 KAUTH_REQ_SYSTEM_TIME_RTCOFFSET, 906 KAUTH_ARG(new_rtc_offset), NULL, NULL)) 907 return (EPERM); 908 if (rtc_offset == new_rtc_offset) 909 return (0); 910 911 /* if we change the offset, adjust the time */ 912 nanotime(&ts); 913 delta.tv_sec = 60 * (new_rtc_offset - rtc_offset); 914 delta.tv_nsec = 0; 915 timespecadd(&ts, &delta, &ts); 916 rtc_offset = new_rtc_offset; 917 return (settime(l->l_proc, &ts)); 918 } 919 920 /* 921 * sysctl helper routine for kern.maxproc. Ensures that the new 922 * values are not too low or too high. 923 */ 924 static int 925 sysctl_kern_maxproc(SYSCTLFN_ARGS) 926 { 927 int error, nmaxproc; 928 struct sysctlnode node; 929 930 nmaxproc = maxproc; 931 node = *rnode; 932 node.sysctl_data = &nmaxproc; 933 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 934 if (error || newp == NULL) 935 return (error); 936 937 if (nmaxproc < 0 || nmaxproc >= PID_MAX) 938 return (EINVAL); 939 #ifdef __HAVE_CPU_MAXPROC 940 if (nmaxproc > cpu_maxproc()) 941 return (EINVAL); 942 #endif 943 maxproc = nmaxproc; 944 945 return (0); 946 } 947 948 /* 949 * sysctl helper function for kern.hostid. The hostid is a long, but 950 * we export it as an int, so we need to give it a little help. 951 */ 952 static int 953 sysctl_kern_hostid(SYSCTLFN_ARGS) 954 { 955 int error, inthostid; 956 struct sysctlnode node; 957 958 inthostid = hostid; /* XXX assumes sizeof int <= sizeof long */ 959 node = *rnode; 960 node.sysctl_data = &inthostid; 961 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 962 if (error || newp == NULL) 963 return (error); 964 965 hostid = (unsigned)inthostid; 966 967 return (0); 968 } 969 970 /* 971 * sysctl helper routine for kern.clockrate. Assembles a struct on 972 * the fly to be returned to the caller. 973 */ 974 static int 975 sysctl_kern_clockrate(SYSCTLFN_ARGS) 976 { 977 struct clockinfo clkinfo; 978 struct sysctlnode node; 979 980 clkinfo.tick = tick; 981 clkinfo.tickadj = tickadj; 982 clkinfo.hz = hz; 983 clkinfo.profhz = profhz; 984 clkinfo.stathz = stathz ? stathz : hz; 985 986 node = *rnode; 987 node.sysctl_data = &clkinfo; 988 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 989 } 990 991 /* 992 * sysctl helper routine for kern.msgbufsize and kern.msgbuf. For the 993 * former it merely checks the message buffer is set up. For the latter, 994 * it also copies out the data if necessary. 995 */ 996 static int 997 sysctl_msgbuf(SYSCTLFN_ARGS) 998 { 999 char *where = oldp; 1000 size_t len, maxlen; 1001 long beg, end; 1002 extern kmutex_t log_lock; 1003 int error; 1004 1005 if (!msgbufenabled || msgbufp->msg_magic != MSG_MAGIC) { 1006 msgbufenabled = 0; 1007 return (ENXIO); 1008 } 1009 1010 switch (rnode->sysctl_num) { 1011 case KERN_MSGBUFSIZE: { 1012 struct sysctlnode node = *rnode; 1013 int msg_bufs = (int)msgbufp->msg_bufs; 1014 node.sysctl_data = &msg_bufs; 1015 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1016 } 1017 case KERN_MSGBUF: 1018 break; 1019 default: 1020 return (EOPNOTSUPP); 1021 } 1022 1023 if (newp != NULL) 1024 return (EPERM); 1025 1026 if (oldp == NULL) { 1027 /* always return full buffer size */ 1028 *oldlenp = msgbufp->msg_bufs; 1029 return (0); 1030 } 1031 1032 sysctl_unlock(); 1033 1034 /* 1035 * First, copy from the write pointer to the end of 1036 * message buffer. 1037 */ 1038 error = 0; 1039 mutex_spin_enter(&log_lock); 1040 maxlen = MIN(msgbufp->msg_bufs, *oldlenp); 1041 beg = msgbufp->msg_bufx; 1042 end = msgbufp->msg_bufs; 1043 mutex_spin_exit(&log_lock); 1044 1045 while (maxlen > 0) { 1046 len = MIN(end - beg, maxlen); 1047 if (len == 0) 1048 break; 1049 /* XXX unlocked, but hardly matters. */ 1050 error = dcopyout(l, &msgbufp->msg_bufc[beg], where, len); 1051 if (error) 1052 break; 1053 where += len; 1054 maxlen -= len; 1055 1056 /* 1057 * ... then, copy from the beginning of message buffer to 1058 * the write pointer. 1059 */ 1060 beg = 0; 1061 end = msgbufp->msg_bufx; 1062 } 1063 1064 sysctl_relock(); 1065 return (error); 1066 } 1067 1068 /* 1069 * sysctl helper routine for kern.defcorename. In the case of a new 1070 * string being assigned, check that it's not a zero-length string. 1071 * (XXX the check in -current doesn't work, but do we really care?) 1072 */ 1073 static int 1074 sysctl_kern_defcorename(SYSCTLFN_ARGS) 1075 { 1076 int error; 1077 char *newcorename; 1078 struct sysctlnode node; 1079 1080 newcorename = PNBUF_GET(); 1081 node = *rnode; 1082 node.sysctl_data = &newcorename[0]; 1083 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1084 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1085 if (error || newp == NULL) { 1086 goto done; 1087 } 1088 1089 /* 1090 * when sysctl_lookup() deals with a string, it's guaranteed 1091 * to come back nul terminated. So there. :) 1092 */ 1093 if (strlen(newcorename) == 0) { 1094 error = EINVAL; 1095 } else { 1096 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1097 error = 0; 1098 } 1099 done: 1100 PNBUF_PUT(newcorename); 1101 return error; 1102 } 1103 1104 /* 1105 * sysctl helper routine for kern.cp_time node. Adds up cpu time 1106 * across all cpus. 1107 */ 1108 static int 1109 sysctl_kern_cptime(SYSCTLFN_ARGS) 1110 { 1111 struct sysctlnode node = *rnode; 1112 uint64_t *cp_time = NULL; 1113 int error, n = ncpu, i; 1114 struct cpu_info *ci; 1115 CPU_INFO_ITERATOR cii; 1116 1117 /* 1118 * if you specifically pass a buffer that is the size of the 1119 * sum, or if you are probing for the size, you get the "sum" 1120 * of cp_time (and the size thereof) across all processors. 1121 * 1122 * alternately, you can pass an additional mib number and get 1123 * cp_time for that particular processor. 1124 */ 1125 switch (namelen) { 1126 case 0: 1127 if (*oldlenp == sizeof(uint64_t) * CPUSTATES || oldp == NULL) { 1128 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1129 n = -1; /* SUM */ 1130 } 1131 else { 1132 node.sysctl_size = n * sizeof(uint64_t) * CPUSTATES; 1133 n = -2; /* ALL */ 1134 } 1135 break; 1136 case 1: 1137 if (name[0] < 0 || name[0] >= n) 1138 return (ENOENT); /* ENOSUCHPROCESSOR */ 1139 node.sysctl_size = sizeof(uint64_t) * CPUSTATES; 1140 n = name[0]; 1141 /* 1142 * adjust these so that sysctl_lookup() will be happy 1143 */ 1144 name++; 1145 namelen--; 1146 break; 1147 default: 1148 return (EINVAL); 1149 } 1150 1151 cp_time = kmem_alloc(node.sysctl_size, KM_SLEEP); 1152 if (cp_time == NULL) 1153 return (ENOMEM); 1154 node.sysctl_data = cp_time; 1155 memset(cp_time, 0, node.sysctl_size); 1156 1157 for (CPU_INFO_FOREACH(cii, ci)) { 1158 if (n <= 0) { 1159 for (i = 0; i < CPUSTATES; i++) { 1160 cp_time[i] += ci->ci_schedstate.spc_cp_time[i]; 1161 } 1162 } 1163 /* 1164 * if a specific processor was requested and we just 1165 * did it, we're done here 1166 */ 1167 if (n == 0) 1168 break; 1169 /* 1170 * if doing "all", skip to next cp_time set for next processor 1171 */ 1172 if (n == -2) 1173 cp_time += CPUSTATES; 1174 /* 1175 * if we're doing a specific processor, we're one 1176 * processor closer 1177 */ 1178 if (n > 0) 1179 n--; 1180 } 1181 1182 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1183 kmem_free(node.sysctl_data, node.sysctl_size); 1184 return (error); 1185 } 1186 1187 #if NPTY > 0 1188 /* 1189 * sysctl helper routine for kern.maxptys. Ensures that any new value 1190 * is acceptable to the pty subsystem. 1191 */ 1192 static int 1193 sysctl_kern_maxptys(SYSCTLFN_ARGS) 1194 { 1195 int pty_maxptys(int, int); /* defined in kern/tty_pty.c */ 1196 int error, xmax; 1197 struct sysctlnode node; 1198 1199 /* get current value of maxptys */ 1200 xmax = pty_maxptys(0, 0); 1201 1202 node = *rnode; 1203 node.sysctl_data = &xmax; 1204 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1205 if (error || newp == NULL) 1206 return (error); 1207 1208 if (xmax != pty_maxptys(xmax, 1)) 1209 return (EINVAL); 1210 1211 return (0); 1212 } 1213 #endif /* NPTY > 0 */ 1214 1215 /* 1216 * sysctl helper routine to do kern.lwp.* work. 1217 */ 1218 static int 1219 sysctl_kern_lwp(SYSCTLFN_ARGS) 1220 { 1221 struct kinfo_lwp klwp; 1222 struct proc *p; 1223 struct lwp *l2, *l3; 1224 char *where, *dp; 1225 int pid, elem_size, elem_count; 1226 int buflen, needed, error; 1227 bool gotit; 1228 1229 if (namelen == 1 && name[0] == CTL_QUERY) 1230 return (sysctl_query(SYSCTLFN_CALL(rnode))); 1231 1232 dp = where = oldp; 1233 buflen = where != NULL ? *oldlenp : 0; 1234 error = needed = 0; 1235 1236 if (newp != NULL || namelen != 3) 1237 return (EINVAL); 1238 pid = name[0]; 1239 elem_size = name[1]; 1240 elem_count = name[2]; 1241 1242 sysctl_unlock(); 1243 if (pid == -1) { 1244 mutex_enter(proc_lock); 1245 PROCLIST_FOREACH(p, &allproc) { 1246 /* Grab a hold on the process. */ 1247 if (!rw_tryenter(&p->p_reflock, RW_READER)) { 1248 continue; 1249 } 1250 mutex_exit(proc_lock); 1251 1252 mutex_enter(p->p_lock); 1253 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1254 if (buflen >= elem_size && elem_count > 0) { 1255 lwp_lock(l2); 1256 fill_lwp(l2, &klwp); 1257 lwp_unlock(l2); 1258 mutex_exit(p->p_lock); 1259 1260 /* 1261 * Copy out elem_size, but not 1262 * larger than the size of a 1263 * struct kinfo_proc2. 1264 */ 1265 error = dcopyout(l, &klwp, dp, 1266 min(sizeof(klwp), elem_size)); 1267 if (error) { 1268 rw_exit(&p->p_reflock); 1269 goto cleanup; 1270 } 1271 mutex_enter(p->p_lock); 1272 LIST_FOREACH(l3, &p->p_lwps, 1273 l_sibling) { 1274 if (l2 == l3) 1275 break; 1276 } 1277 if (l3 == NULL) { 1278 mutex_exit(p->p_lock); 1279 rw_exit(&p->p_reflock); 1280 error = EAGAIN; 1281 goto cleanup; 1282 } 1283 dp += elem_size; 1284 buflen -= elem_size; 1285 elem_count--; 1286 } 1287 needed += elem_size; 1288 } 1289 mutex_exit(p->p_lock); 1290 1291 /* Drop reference to process. */ 1292 mutex_enter(proc_lock); 1293 rw_exit(&p->p_reflock); 1294 } 1295 mutex_exit(proc_lock); 1296 } else { 1297 mutex_enter(proc_lock); 1298 p = proc_find(pid); 1299 if (p == NULL) { 1300 error = ESRCH; 1301 mutex_exit(proc_lock); 1302 goto cleanup; 1303 } 1304 /* Grab a hold on the process. */ 1305 gotit = rw_tryenter(&p->p_reflock, RW_READER); 1306 mutex_exit(proc_lock); 1307 if (!gotit) { 1308 error = ESRCH; 1309 goto cleanup; 1310 } 1311 1312 mutex_enter(p->p_lock); 1313 LIST_FOREACH(l2, &p->p_lwps, l_sibling) { 1314 if (buflen >= elem_size && elem_count > 0) { 1315 lwp_lock(l2); 1316 fill_lwp(l2, &klwp); 1317 lwp_unlock(l2); 1318 mutex_exit(p->p_lock); 1319 /* 1320 * Copy out elem_size, but not larger than 1321 * the size of a struct kinfo_proc2. 1322 */ 1323 error = dcopyout(l, &klwp, dp, 1324 min(sizeof(klwp), elem_size)); 1325 if (error) { 1326 rw_exit(&p->p_reflock); 1327 goto cleanup; 1328 } 1329 mutex_enter(p->p_lock); 1330 LIST_FOREACH(l3, &p->p_lwps, l_sibling) { 1331 if (l2 == l3) 1332 break; 1333 } 1334 if (l3 == NULL) { 1335 mutex_exit(p->p_lock); 1336 rw_exit(&p->p_reflock); 1337 error = EAGAIN; 1338 goto cleanup; 1339 } 1340 dp += elem_size; 1341 buflen -= elem_size; 1342 elem_count--; 1343 } 1344 needed += elem_size; 1345 } 1346 mutex_exit(p->p_lock); 1347 1348 /* Drop reference to process. */ 1349 rw_exit(&p->p_reflock); 1350 } 1351 1352 if (where != NULL) { 1353 *oldlenp = dp - where; 1354 if (needed > *oldlenp) { 1355 sysctl_relock(); 1356 return (ENOMEM); 1357 } 1358 } else { 1359 needed += KERN_LWPSLOP; 1360 *oldlenp = needed; 1361 } 1362 error = 0; 1363 cleanup: 1364 sysctl_relock(); 1365 return (error); 1366 } 1367 1368 /* 1369 * sysctl helper routine for kern.forkfsleep node. Ensures that the 1370 * given value is not too large or two small, and is at least one 1371 * timer tick if not zero. 1372 */ 1373 static int 1374 sysctl_kern_forkfsleep(SYSCTLFN_ARGS) 1375 { 1376 /* userland sees value in ms, internally is in ticks */ 1377 extern int forkfsleep; /* defined in kern/kern_fork.c */ 1378 int error, timo, lsleep; 1379 struct sysctlnode node; 1380 1381 lsleep = forkfsleep * 1000 / hz; 1382 node = *rnode; 1383 node.sysctl_data = &lsleep; 1384 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1385 if (error || newp == NULL) 1386 return (error); 1387 1388 /* refuse negative values, and overly 'long time' */ 1389 if (lsleep < 0 || lsleep > MAXSLP * 1000) 1390 return (EINVAL); 1391 1392 timo = mstohz(lsleep); 1393 1394 /* if the interval is >0 ms && <1 tick, use 1 tick */ 1395 if (lsleep != 0 && timo == 0) 1396 forkfsleep = 1; 1397 else 1398 forkfsleep = timo; 1399 1400 return (0); 1401 } 1402 1403 /* 1404 * sysctl helper routine for kern.root_partition 1405 */ 1406 static int 1407 sysctl_kern_root_partition(SYSCTLFN_ARGS) 1408 { 1409 int rootpart = DISKPART(rootdev); 1410 struct sysctlnode node = *rnode; 1411 1412 node.sysctl_data = &rootpart; 1413 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1414 } 1415 1416 /* 1417 * sysctl helper function for kern.drivers 1418 */ 1419 static int 1420 sysctl_kern_drivers(SYSCTLFN_ARGS) 1421 { 1422 int error; 1423 size_t buflen; 1424 struct kinfo_drivers kd; 1425 char *start, *where; 1426 const char *dname; 1427 int i; 1428 extern struct devsw_conv *devsw_conv; 1429 extern int max_devsw_convs; 1430 1431 start = where = oldp; 1432 buflen = *oldlenp; 1433 if (where == NULL) { 1434 *oldlenp = max_devsw_convs * sizeof kd; 1435 return 0; 1436 } 1437 1438 /* 1439 * An array of kinfo_drivers structures 1440 */ 1441 error = 0; 1442 sysctl_unlock(); 1443 mutex_enter(&device_lock); 1444 for (i = 0; i < max_devsw_convs; i++) { 1445 dname = devsw_conv[i].d_name; 1446 if (dname == NULL) 1447 continue; 1448 if (buflen < sizeof kd) { 1449 error = ENOMEM; 1450 break; 1451 } 1452 memset(&kd, 0, sizeof(kd)); 1453 kd.d_bmajor = devsw_conv[i].d_bmajor; 1454 kd.d_cmajor = devsw_conv[i].d_cmajor; 1455 strlcpy(kd.d_name, dname, sizeof kd.d_name); 1456 mutex_exit(&device_lock); 1457 error = dcopyout(l, &kd, where, sizeof kd); 1458 mutex_enter(&device_lock); 1459 if (error != 0) 1460 break; 1461 buflen -= sizeof kd; 1462 where += sizeof kd; 1463 } 1464 mutex_exit(&device_lock); 1465 sysctl_relock(); 1466 *oldlenp = where - start; 1467 return error; 1468 } 1469 1470 static int 1471 sysctl_security_setidcore(SYSCTLFN_ARGS) 1472 { 1473 int newsize, error; 1474 struct sysctlnode node; 1475 1476 node = *rnode; 1477 node.sysctl_data = &newsize; 1478 newsize = *(int *)rnode->sysctl_data; 1479 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1480 if (error || newp == NULL) 1481 return error; 1482 1483 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 1484 0, NULL, NULL, NULL)) 1485 return (EPERM); 1486 1487 *(int *)rnode->sysctl_data = newsize; 1488 1489 return 0; 1490 } 1491 1492 static int 1493 sysctl_security_setidcorename(SYSCTLFN_ARGS) 1494 { 1495 int error; 1496 char *newsetidcorename; 1497 struct sysctlnode node; 1498 1499 newsetidcorename = PNBUF_GET(); 1500 node = *rnode; 1501 node.sysctl_data = newsetidcorename; 1502 memcpy(node.sysctl_data, rnode->sysctl_data, MAXPATHLEN); 1503 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1504 if (error || newp == NULL) { 1505 goto out; 1506 } 1507 if (kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_SETIDCORE, 1508 0, NULL, NULL, NULL)) { 1509 error = EPERM; 1510 goto out; 1511 } 1512 if (strlen(newsetidcorename) == 0) { 1513 error = EINVAL; 1514 goto out; 1515 } 1516 memcpy(rnode->sysctl_data, node.sysctl_data, MAXPATHLEN); 1517 out: 1518 PNBUF_PUT(newsetidcorename); 1519 return error; 1520 } 1521 1522 /* 1523 * sysctl helper routine for kern.cp_id node. Maps cpus to their 1524 * cpuids. 1525 */ 1526 static int 1527 sysctl_kern_cpid(SYSCTLFN_ARGS) 1528 { 1529 struct sysctlnode node = *rnode; 1530 uint64_t *cp_id = NULL; 1531 int error, n = ncpu; 1532 struct cpu_info *ci; 1533 CPU_INFO_ITERATOR cii; 1534 1535 /* 1536 * Here you may either retrieve a single cpu id or the whole 1537 * set. The size you get back when probing depends on what 1538 * you ask for. 1539 */ 1540 switch (namelen) { 1541 case 0: 1542 node.sysctl_size = n * sizeof(uint64_t); 1543 n = -2; /* ALL */ 1544 break; 1545 case 1: 1546 if (name[0] < 0 || name[0] >= n) 1547 return (ENOENT); /* ENOSUCHPROCESSOR */ 1548 node.sysctl_size = sizeof(uint64_t); 1549 n = name[0]; 1550 /* 1551 * adjust these so that sysctl_lookup() will be happy 1552 */ 1553 name++; 1554 namelen--; 1555 break; 1556 default: 1557 return (EINVAL); 1558 } 1559 1560 cp_id = kmem_alloc(node.sysctl_size, KM_SLEEP); 1561 if (cp_id == NULL) 1562 return (ENOMEM); 1563 node.sysctl_data = cp_id; 1564 memset(cp_id, 0, node.sysctl_size); 1565 1566 for (CPU_INFO_FOREACH(cii, ci)) { 1567 if (n <= 0) 1568 cp_id[0] = cpu_index(ci); 1569 /* 1570 * if a specific processor was requested and we just 1571 * did it, we're done here 1572 */ 1573 if (n == 0) 1574 break; 1575 /* 1576 * if doing "all", skip to next cp_id slot for next processor 1577 */ 1578 if (n == -2) 1579 cp_id++; 1580 /* 1581 * if we're doing a specific processor, we're one 1582 * processor closer 1583 */ 1584 if (n > 0) 1585 n--; 1586 } 1587 1588 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1589 kmem_free(node.sysctl_data, node.sysctl_size); 1590 return (error); 1591 } 1592 1593 /* 1594 * sysctl helper routine for hw.usermem and hw.usermem64. Values are 1595 * calculate on the fly taking into account integer overflow and the 1596 * current wired count. 1597 */ 1598 static int 1599 sysctl_hw_usermem(SYSCTLFN_ARGS) 1600 { 1601 u_int ui; 1602 u_quad_t uq; 1603 struct sysctlnode node; 1604 1605 node = *rnode; 1606 switch (rnode->sysctl_num) { 1607 case HW_USERMEM: 1608 if ((ui = physmem - uvmexp.wired) > (UINT_MAX / PAGE_SIZE)) 1609 ui = UINT_MAX; 1610 else 1611 ui *= PAGE_SIZE; 1612 node.sysctl_data = &ui; 1613 break; 1614 case HW_USERMEM64: 1615 uq = (u_quad_t)(physmem - uvmexp.wired) * PAGE_SIZE; 1616 node.sysctl_data = &uq; 1617 break; 1618 default: 1619 return (EINVAL); 1620 } 1621 1622 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1623 } 1624 1625 /* 1626 * sysctl helper routine for kern.cnmagic node. Pulls the old value 1627 * out, encoded, and stuffs the new value in for decoding. 1628 */ 1629 static int 1630 sysctl_hw_cnmagic(SYSCTLFN_ARGS) 1631 { 1632 char magic[CNS_LEN]; 1633 int error; 1634 struct sysctlnode node; 1635 1636 if (oldp) 1637 cn_get_magic(magic, CNS_LEN); 1638 node = *rnode; 1639 node.sysctl_data = &magic[0]; 1640 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1641 if (error || newp == NULL) 1642 return (error); 1643 1644 return (cn_set_magic(magic)); 1645 } 1646 1647 /* 1648 * ******************************************************************** 1649 * section 3: public helper routines that are used for more than one 1650 * node 1651 * ******************************************************************** 1652 */ 1653 1654 /* 1655 * sysctl helper routine for the kern.root_device node and some ports' 1656 * machdep.root_device nodes. 1657 */ 1658 int 1659 sysctl_root_device(SYSCTLFN_ARGS) 1660 { 1661 struct sysctlnode node; 1662 1663 node = *rnode; 1664 node.sysctl_data = __UNCONST(device_xname(root_device)); 1665 node.sysctl_size = strlen(device_xname(root_device)) + 1; 1666 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1667 } 1668 1669 /* 1670 * sysctl helper routine for kern.consdev, dependent on the current 1671 * state of the console. Also used for machdep.console_device on some 1672 * ports. 1673 */ 1674 int 1675 sysctl_consdev(SYSCTLFN_ARGS) 1676 { 1677 dev_t consdev; 1678 uint32_t oconsdev; 1679 struct sysctlnode node; 1680 1681 if (cn_tab != NULL) 1682 consdev = cn_tab->cn_dev; 1683 else 1684 consdev = NODEV; 1685 node = *rnode; 1686 switch (*oldlenp) { 1687 case sizeof(consdev): 1688 node.sysctl_data = &consdev; 1689 node.sysctl_size = sizeof(consdev); 1690 break; 1691 case sizeof(oconsdev): 1692 oconsdev = (uint32_t)consdev; 1693 node.sysctl_data = &oconsdev; 1694 node.sysctl_size = sizeof(oconsdev); 1695 break; 1696 default: 1697 return EINVAL; 1698 } 1699 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 1700 } 1701 1702 /* 1703 * ******************************************************************** 1704 * section 4: support for some helpers 1705 * ******************************************************************** 1706 */ 1707 1708 1709 /* 1710 * Fill in a kinfo_lwp structure for the specified lwp. 1711 */ 1712 static void 1713 fill_lwp(struct lwp *l, struct kinfo_lwp *kl) 1714 { 1715 struct proc *p = l->l_proc; 1716 struct timeval tv; 1717 1718 KASSERT(lwp_locked(l, NULL)); 1719 1720 memset(kl, 0, sizeof(*kl)); 1721 1722 kl->l_forw = 0; 1723 kl->l_back = 0; 1724 kl->l_laddr = PTRTOUINT64(l); 1725 kl->l_addr = PTRTOUINT64(l->l_addr); 1726 kl->l_stat = l->l_stat; 1727 kl->l_lid = l->l_lid; 1728 kl->l_flag = L_INMEM; 1729 kl->l_flag |= sysctl_map_flags(sysctl_lwpprflagmap, l->l_prflag); 1730 kl->l_flag |= sysctl_map_flags(sysctl_lwpflagmap, l->l_flag); 1731 1732 kl->l_swtime = l->l_swtime; 1733 kl->l_slptime = l->l_slptime; 1734 if (l->l_stat == LSONPROC) 1735 kl->l_schedflags = l->l_cpu->ci_schedstate.spc_flags; 1736 else 1737 kl->l_schedflags = 0; 1738 kl->l_priority = lwp_eprio(l); 1739 kl->l_usrpri = l->l_priority; 1740 if (l->l_wchan) 1741 strncpy(kl->l_wmesg, l->l_wmesg, sizeof(kl->l_wmesg)); 1742 kl->l_wchan = PTRTOUINT64(l->l_wchan); 1743 kl->l_cpuid = cpu_index(l->l_cpu); 1744 bintime2timeval(&l->l_rtime, &tv); 1745 kl->l_rtime_sec = tv.tv_sec; 1746 kl->l_rtime_usec = tv.tv_usec; 1747 kl->l_cpticks = l->l_cpticks; 1748 kl->l_pctcpu = l->l_pctcpu; 1749 kl->l_pid = p->p_pid; 1750 if (l->l_name == NULL) 1751 kl->l_name[0] = '\0'; 1752 else 1753 strlcpy(kl->l_name, l->l_name, sizeof(kl->l_name)); 1754 } 1755
Indexes created Wed Oct 01 15:09:59 GMT 2025