kern_sysctl.c revision 1.20.2.1
1 /* $NetBSD: kern_sysctl.c,v 1.20.2.1 1997/01/14 21:27:05 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1982, 1986, 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Mike Karels at Berkeley Software Design, Inc. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 39 */ 40 41 /* 42 * sysctl system call. 43 */ 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/kernel.h> 48 #include <sys/malloc.h> 49 #include <sys/proc.h> 50 #include <sys/file.h> 51 #include <sys/vnode.h> 52 #include <sys/unistd.h> 53 #include <sys/buf.h> 54 #include <sys/ioctl.h> 55 #include <sys/tty.h> 56 #include <sys/disklabel.h> 57 #include <sys/device.h> 58 #include <vm/vm.h> 59 #include <sys/sysctl.h> 60 61 #include <sys/mount.h> 62 #include <sys/syscallargs.h> 63 64 /* 65 * Locking and stats 66 */ 67 static struct sysctl_lock { 68 int sl_lock; 69 int sl_want; 70 int sl_locked; 71 } memlock; 72 73 int 74 sys___sysctl(p, v, retval) 75 struct proc *p; 76 void *v; 77 register_t *retval; 78 { 79 register struct sys___sysctl_args /* { 80 syscallarg(int *) name; 81 syscallarg(u_int) namelen; 82 syscallarg(void *) old; 83 syscallarg(size_t *) oldlenp; 84 syscallarg(void *) new; 85 syscallarg(size_t) newlen; 86 } */ *uap = v; 87 int error, dolock = 1; 88 size_t savelen = 0, oldlen = 0; 89 sysctlfn *fn; 90 int name[CTL_MAXNAME]; 91 92 if (SCARG(uap, new) != NULL && 93 (error = suser(p->p_ucred, &p->p_acflag))) 94 return (error); 95 /* 96 * all top-level sysctl names are non-terminal 97 */ 98 if (SCARG(uap, namelen) > CTL_MAXNAME || SCARG(uap, namelen) < 2) 99 return (EINVAL); 100 error = copyin(SCARG(uap, name), &name, 101 SCARG(uap, namelen) * sizeof(int)); 102 if (error) 103 return (error); 104 105 switch (name[0]) { 106 case CTL_KERN: 107 fn = kern_sysctl; 108 if (name[2] != KERN_VNODE) /* XXX */ 109 dolock = 0; 110 break; 111 case CTL_HW: 112 fn = hw_sysctl; 113 break; 114 case CTL_VM: 115 fn = vm_sysctl; 116 break; 117 case CTL_NET: 118 fn = net_sysctl; 119 break; 120 #ifdef notyet 121 case CTL_FS: 122 fn = fs_sysctl; 123 break; 124 #endif 125 case CTL_MACHDEP: 126 fn = cpu_sysctl; 127 break; 128 #ifdef DEBUG 129 case CTL_DEBUG: 130 fn = debug_sysctl; 131 break; 132 #endif 133 #ifdef DDB 134 case CTL_DDB: 135 fn = ddb_sysctl; 136 break; 137 #endif 138 default: 139 return (EOPNOTSUPP); 140 } 141 142 if (SCARG(uap, oldlenp) && 143 (error = copyin(SCARG(uap, oldlenp), &oldlen, sizeof(oldlen)))) 144 return (error); 145 if (SCARG(uap, old) != NULL) { 146 if (!useracc(SCARG(uap, old), oldlen, B_WRITE)) 147 return (EFAULT); 148 while (memlock.sl_lock) { 149 memlock.sl_want = 1; 150 sleep((caddr_t)&memlock, PRIBIO+1); 151 memlock.sl_locked++; 152 } 153 memlock.sl_lock = 1; 154 if (dolock) 155 vslock(SCARG(uap, old), oldlen); 156 savelen = oldlen; 157 } 158 error = (*fn)(name + 1, SCARG(uap, namelen) - 1, SCARG(uap, old), 159 &oldlen, SCARG(uap, new), SCARG(uap, newlen), p); 160 if (SCARG(uap, old) != NULL) { 161 if (dolock) 162 vsunlock(SCARG(uap, old), savelen); 163 memlock.sl_lock = 0; 164 if (memlock.sl_want) { 165 memlock.sl_want = 0; 166 wakeup((caddr_t)&memlock); 167 } 168 } 169 if (error) 170 return (error); 171 if (SCARG(uap, oldlenp)) 172 error = copyout(&oldlen, SCARG(uap, oldlenp), sizeof(oldlen)); 173 return (error); 174 } 175 176 /* 177 * Attributes stored in the kernel. 178 */ 179 char hostname[MAXHOSTNAMELEN]; 180 int hostnamelen; 181 char domainname[MAXHOSTNAMELEN]; 182 int domainnamelen; 183 long hostid; 184 #ifdef INSECURE 185 int securelevel = -1; 186 #else 187 int securelevel = 0; 188 #endif 189 190 /* 191 * kernel related system variables. 192 */ 193 int 194 kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 195 int *name; 196 u_int namelen; 197 void *oldp; 198 size_t *oldlenp; 199 void *newp; 200 size_t newlen; 201 struct proc *p; 202 { 203 int error, level, inthostid; 204 int old_autonicetime; 205 extern char ostype[], osrelease[], version[]; 206 207 /* all sysctl names at this level are terminal */ 208 if (namelen != 1 && !(name[0] == KERN_PROC || name[0] == KERN_PROF)) 209 return (ENOTDIR); /* overloaded */ 210 211 switch (name[0]) { 212 case KERN_OSTYPE: 213 return (sysctl_rdstring(oldp, oldlenp, newp, ostype)); 214 case KERN_OSRELEASE: 215 return (sysctl_rdstring(oldp, oldlenp, newp, osrelease)); 216 case KERN_OSREV: 217 return (sysctl_rdint(oldp, oldlenp, newp, BSD)); 218 case KERN_VERSION: 219 return (sysctl_rdstring(oldp, oldlenp, newp, version)); 220 case KERN_MAXVNODES: 221 return(sysctl_int(oldp, oldlenp, newp, newlen, &desiredvnodes)); 222 case KERN_MAXPROC: 223 return (sysctl_int(oldp, oldlenp, newp, newlen, &maxproc)); 224 case KERN_MAXFILES: 225 return (sysctl_int(oldp, oldlenp, newp, newlen, &maxfiles)); 226 case KERN_ARGMAX: 227 return (sysctl_rdint(oldp, oldlenp, newp, ARG_MAX)); 228 case KERN_SECURELVL: 229 level = securelevel; 230 if ((error = sysctl_int(oldp, oldlenp, newp, newlen, &level)) || 231 newp == NULL) 232 return (error); 233 if (level < securelevel && p->p_pid != 1) 234 return (EPERM); 235 securelevel = level; 236 return (0); 237 case KERN_HOSTNAME: 238 error = sysctl_string(oldp, oldlenp, newp, newlen, 239 hostname, sizeof(hostname)); 240 if (newp && !error) 241 hostnamelen = newlen; 242 return (error); 243 case KERN_DOMAINNAME: 244 error = sysctl_string(oldp, oldlenp, newp, newlen, 245 domainname, sizeof(domainname)); 246 if (newp && !error) 247 domainnamelen = newlen; 248 return (error); 249 case KERN_HOSTID: 250 inthostid = hostid; /* XXX assumes sizeof long <= sizeof int */ 251 error = sysctl_int(oldp, oldlenp, newp, newlen, &inthostid); 252 hostid = inthostid; 253 return (error); 254 case KERN_CLOCKRATE: 255 return (sysctl_clockrate(oldp, oldlenp)); 256 case KERN_BOOTTIME: 257 return (sysctl_rdstruct(oldp, oldlenp, newp, &boottime, 258 sizeof(struct timeval))); 259 case KERN_VNODE: 260 return (sysctl_vnode(oldp, oldlenp)); 261 case KERN_PROC: 262 return (sysctl_doproc(name + 1, namelen - 1, oldp, oldlenp)); 263 case KERN_FILE: 264 return (sysctl_file(oldp, oldlenp)); 265 #ifdef GPROF 266 case KERN_PROF: 267 return (sysctl_doprof(name + 1, namelen - 1, oldp, oldlenp, 268 newp, newlen)); 269 #endif 270 case KERN_POSIX1: 271 return (sysctl_rdint(oldp, oldlenp, newp, _POSIX_VERSION)); 272 case KERN_NGROUPS: 273 return (sysctl_rdint(oldp, oldlenp, newp, NGROUPS_MAX)); 274 case KERN_JOB_CONTROL: 275 return (sysctl_rdint(oldp, oldlenp, newp, 1)); 276 case KERN_SAVED_IDS: 277 #ifdef _POSIX_SAVED_IDS 278 return (sysctl_rdint(oldp, oldlenp, newp, 1)); 279 #else 280 return (sysctl_rdint(oldp, oldlenp, newp, 0)); 281 #endif 282 case KERN_MAXPARTITIONS: 283 return (sysctl_rdint(oldp, oldlenp, newp, MAXPARTITIONS)); 284 case KERN_RAWPARTITION: 285 return (sysctl_rdint(oldp, oldlenp, newp, RAW_PART)); 286 #ifdef NTP 287 case KERN_NTPTIME: 288 return (sysctl_ntptime(oldp, oldlenp)); 289 #endif 290 case KERN_AUTONICETIME: 291 old_autonicetime = autonicetime; 292 error = sysctl_int(oldp, oldlenp, newp, newlen, &autonicetime); 293 if (autonicetime < 0) 294 autonicetime = old_autonicetime; 295 return (error); 296 case KERN_AUTONICEVAL: 297 error = sysctl_int(oldp, oldlenp, newp, newlen, &autoniceval); 298 if (autoniceval < PRIO_MIN) 299 autoniceval = PRIO_MIN; 300 if (autoniceval > PRIO_MAX) 301 autoniceval = PRIO_MAX; 302 return (error); 303 case KERN_ROOT_DEVICE: 304 return (sysctl_rdstring(oldp, oldlenp, newp, 305 root_device->dv_xname)); 306 default: 307 return (EOPNOTSUPP); 308 } 309 /* NOTREACHED */ 310 } 311 312 /* 313 * hardware related system variables. 314 */ 315 int 316 hw_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 317 int *name; 318 u_int namelen; 319 void *oldp; 320 size_t *oldlenp; 321 void *newp; 322 size_t newlen; 323 struct proc *p; 324 { 325 extern char machine[], cpu_model[]; 326 327 /* all sysctl names at this level are terminal */ 328 if (namelen != 1) 329 return (ENOTDIR); /* overloaded */ 330 331 switch (name[0]) { 332 case HW_MACHINE: 333 return (sysctl_rdstring(oldp, oldlenp, newp, machine)); 334 case HW_MODEL: 335 return (sysctl_rdstring(oldp, oldlenp, newp, cpu_model)); 336 case HW_NCPU: 337 return (sysctl_rdint(oldp, oldlenp, newp, 1)); /* XXX */ 338 case HW_BYTEORDER: 339 return (sysctl_rdint(oldp, oldlenp, newp, BYTE_ORDER)); 340 case HW_PHYSMEM: 341 return (sysctl_rdint(oldp, oldlenp, newp, ctob(physmem))); 342 case HW_USERMEM: 343 return (sysctl_rdint(oldp, oldlenp, newp, 344 ctob(physmem - cnt.v_wire_count))); 345 case HW_PAGESIZE: 346 return (sysctl_rdint(oldp, oldlenp, newp, PAGE_SIZE)); 347 default: 348 return (EOPNOTSUPP); 349 } 350 /* NOTREACHED */ 351 } 352 353 #ifdef DEBUG 354 /* 355 * Debugging related system variables. 356 */ 357 struct ctldebug debug0, debug1, debug2, debug3, debug4; 358 struct ctldebug debug5, debug6, debug7, debug8, debug9; 359 struct ctldebug debug10, debug11, debug12, debug13, debug14; 360 struct ctldebug debug15, debug16, debug17, debug18, debug19; 361 static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = { 362 &debug0, &debug1, &debug2, &debug3, &debug4, 363 &debug5, &debug6, &debug7, &debug8, &debug9, 364 &debug10, &debug11, &debug12, &debug13, &debug14, 365 &debug15, &debug16, &debug17, &debug18, &debug19, 366 }; 367 int 368 debug_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 369 int *name; 370 u_int namelen; 371 void *oldp; 372 size_t *oldlenp; 373 void *newp; 374 size_t newlen; 375 struct proc *p; 376 { 377 struct ctldebug *cdp; 378 379 /* all sysctl names at this level are name and field */ 380 if (namelen != 2) 381 return (ENOTDIR); /* overloaded */ 382 cdp = debugvars[name[0]]; 383 if (cdp->debugname == 0) 384 return (EOPNOTSUPP); 385 switch (name[1]) { 386 case CTL_DEBUG_NAME: 387 return (sysctl_rdstring(oldp, oldlenp, newp, cdp->debugname)); 388 case CTL_DEBUG_VALUE: 389 return (sysctl_int(oldp, oldlenp, newp, newlen, cdp->debugvar)); 390 default: 391 return (EOPNOTSUPP); 392 } 393 /* NOTREACHED */ 394 } 395 #endif /* DEBUG */ 396 397 /* 398 * Validate parameters and get old / set new parameters 399 * for an integer-valued sysctl function. 400 */ 401 int 402 sysctl_int(oldp, oldlenp, newp, newlen, valp) 403 void *oldp; 404 size_t *oldlenp; 405 void *newp; 406 size_t newlen; 407 int *valp; 408 { 409 int error = 0; 410 411 if (oldp && *oldlenp < sizeof(int)) 412 return (ENOMEM); 413 if (newp && newlen != sizeof(int)) 414 return (EINVAL); 415 *oldlenp = sizeof(int); 416 if (oldp) 417 error = copyout(valp, oldp, sizeof(int)); 418 if (error == 0 && newp) 419 error = copyin(newp, valp, sizeof(int)); 420 return (error); 421 } 422 423 /* 424 * As above, but read-only. 425 */ 426 int 427 sysctl_rdint(oldp, oldlenp, newp, val) 428 void *oldp; 429 size_t *oldlenp; 430 void *newp; 431 int val; 432 { 433 int error = 0; 434 435 if (oldp && *oldlenp < sizeof(int)) 436 return (ENOMEM); 437 if (newp) 438 return (EPERM); 439 *oldlenp = sizeof(int); 440 if (oldp) 441 error = copyout((caddr_t)&val, oldp, sizeof(int)); 442 return (error); 443 } 444 445 /* 446 * Validate parameters and get old / set new parameters 447 * for a string-valued sysctl function. 448 */ 449 int 450 sysctl_string(oldp, oldlenp, newp, newlen, str, maxlen) 451 void *oldp; 452 size_t *oldlenp; 453 void *newp; 454 size_t newlen; 455 char *str; 456 int maxlen; 457 { 458 int len, error = 0; 459 460 len = strlen(str) + 1; 461 if (oldp && *oldlenp < len) 462 return (ENOMEM); 463 if (newp && newlen >= maxlen) 464 return (EINVAL); 465 if (oldp) { 466 *oldlenp = len; 467 error = copyout(str, oldp, len); 468 } 469 if (error == 0 && newp) { 470 error = copyin(newp, str, newlen); 471 str[newlen] = 0; 472 } 473 return (error); 474 } 475 476 /* 477 * As above, but read-only. 478 */ 479 int 480 sysctl_rdstring(oldp, oldlenp, newp, str) 481 void *oldp; 482 size_t *oldlenp; 483 void *newp; 484 char *str; 485 { 486 int len, error = 0; 487 488 len = strlen(str) + 1; 489 if (oldp && *oldlenp < len) 490 return (ENOMEM); 491 if (newp) 492 return (EPERM); 493 *oldlenp = len; 494 if (oldp) 495 error = copyout(str, oldp, len); 496 return (error); 497 } 498 499 /* 500 * Validate parameters and get old / set new parameters 501 * for a structure oriented sysctl function. 502 */ 503 int 504 sysctl_struct(oldp, oldlenp, newp, newlen, sp, len) 505 void *oldp; 506 size_t *oldlenp; 507 void *newp; 508 size_t newlen; 509 void *sp; 510 int len; 511 { 512 int error = 0; 513 514 if (oldp && *oldlenp < len) 515 return (ENOMEM); 516 if (newp && newlen > len) 517 return (EINVAL); 518 if (oldp) { 519 *oldlenp = len; 520 error = copyout(sp, oldp, len); 521 } 522 if (error == 0 && newp) 523 error = copyin(newp, sp, len); 524 return (error); 525 } 526 527 /* 528 * Validate parameters and get old parameters 529 * for a structure oriented sysctl function. 530 */ 531 int 532 sysctl_rdstruct(oldp, oldlenp, newp, sp, len) 533 void *oldp; 534 size_t *oldlenp; 535 void *newp, *sp; 536 int len; 537 { 538 int error = 0; 539 540 if (oldp && *oldlenp < len) 541 return (ENOMEM); 542 if (newp) 543 return (EPERM); 544 *oldlenp = len; 545 if (oldp) 546 error = copyout(sp, oldp, len); 547 return (error); 548 } 549 550 /* 551 * Get file structures. 552 */ 553 int 554 sysctl_file(where, sizep) 555 char *where; 556 size_t *sizep; 557 { 558 int buflen, error; 559 struct file *fp; 560 char *start = where; 561 562 buflen = *sizep; 563 if (where == NULL) { 564 /* 565 * overestimate by 10 files 566 */ 567 *sizep = sizeof(filehead) + (nfiles + 10) * sizeof(struct file); 568 return (0); 569 } 570 571 /* 572 * first copyout filehead 573 */ 574 if (buflen < sizeof(filehead)) { 575 *sizep = 0; 576 return (0); 577 } 578 error = copyout((caddr_t)&filehead, where, sizeof(filehead)); 579 if (error) 580 return (error); 581 buflen -= sizeof(filehead); 582 where += sizeof(filehead); 583 584 /* 585 * followed by an array of file structures 586 */ 587 for (fp = filehead.lh_first; fp != 0; fp = fp->f_list.le_next) { 588 if (buflen < sizeof(struct file)) { 589 *sizep = where - start; 590 return (ENOMEM); 591 } 592 error = copyout((caddr_t)fp, where, sizeof (struct file)); 593 if (error) 594 return (error); 595 buflen -= sizeof(struct file); 596 where += sizeof(struct file); 597 } 598 *sizep = where - start; 599 return (0); 600 } 601 602 /* 603 * try over estimating by 5 procs 604 */ 605 #define KERN_PROCSLOP (5 * sizeof (struct kinfo_proc)) 606 607 int 608 sysctl_doproc(name, namelen, where, sizep) 609 int *name; 610 u_int namelen; 611 char *where; 612 size_t *sizep; 613 { 614 register struct proc *p; 615 register struct kinfo_proc *dp = (struct kinfo_proc *)where; 616 register int needed = 0; 617 int buflen = where != NULL ? *sizep : 0; 618 int doingzomb; 619 struct eproc eproc; 620 int error = 0; 621 622 if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL)) 623 return (EINVAL); 624 p = allproc.lh_first; 625 doingzomb = 0; 626 again: 627 for (; p != 0; p = p->p_list.le_next) { 628 /* 629 * Skip embryonic processes. 630 */ 631 if (p->p_stat == SIDL) 632 continue; 633 /* 634 * TODO - make more efficient (see notes below). 635 * do by session. 636 */ 637 switch (name[0]) { 638 639 case KERN_PROC_PID: 640 /* could do this with just a lookup */ 641 if (p->p_pid != (pid_t)name[1]) 642 continue; 643 break; 644 645 case KERN_PROC_PGRP: 646 /* could do this by traversing pgrp */ 647 if (p->p_pgrp->pg_id != (pid_t)name[1]) 648 continue; 649 break; 650 651 case KERN_PROC_TTY: 652 if ((p->p_flag & P_CONTROLT) == 0 || 653 p->p_session->s_ttyp == NULL || 654 p->p_session->s_ttyp->t_dev != (dev_t)name[1]) 655 continue; 656 break; 657 658 case KERN_PROC_UID: 659 if (p->p_ucred->cr_uid != (uid_t)name[1]) 660 continue; 661 break; 662 663 case KERN_PROC_RUID: 664 if (p->p_cred->p_ruid != (uid_t)name[1]) 665 continue; 666 break; 667 } 668 if (buflen >= sizeof(struct kinfo_proc)) { 669 fill_eproc(p, &eproc); 670 error = copyout((caddr_t)p, &dp->kp_proc, 671 sizeof(struct proc)); 672 if (error) 673 return (error); 674 error = copyout((caddr_t)&eproc, &dp->kp_eproc, 675 sizeof(eproc)); 676 if (error) 677 return (error); 678 dp++; 679 buflen -= sizeof(struct kinfo_proc); 680 } 681 needed += sizeof(struct kinfo_proc); 682 } 683 if (doingzomb == 0) { 684 p = zombproc.lh_first; 685 doingzomb++; 686 goto again; 687 } 688 if (where != NULL) { 689 *sizep = (caddr_t)dp - where; 690 if (needed > *sizep) 691 return (ENOMEM); 692 } else { 693 needed += KERN_PROCSLOP; 694 *sizep = needed; 695 } 696 return (0); 697 } 698 699 /* 700 * Fill in an eproc structure for the specified process. 701 */ 702 void 703 fill_eproc(p, ep) 704 register struct proc *p; 705 register struct eproc *ep; 706 { 707 register struct tty *tp; 708 709 ep->e_paddr = p; 710 ep->e_sess = p->p_pgrp->pg_session; 711 ep->e_pcred = *p->p_cred; 712 ep->e_ucred = *p->p_ucred; 713 if (p->p_stat == SIDL || p->p_stat == SZOMB) { 714 ep->e_vm.vm_rssize = 0; 715 ep->e_vm.vm_tsize = 0; 716 ep->e_vm.vm_dsize = 0; 717 ep->e_vm.vm_ssize = 0; 718 /* ep->e_vm.vm_pmap = XXX; */ 719 } else { 720 register struct vmspace *vm = p->p_vmspace; 721 722 #ifdef pmap_resident_count 723 ep->e_vm.vm_rssize = pmap_resident_count(&vm->vm_pmap); /*XXX*/ 724 #else 725 ep->e_vm.vm_rssize = vm->vm_rssize; 726 #endif 727 ep->e_vm.vm_tsize = vm->vm_tsize; 728 ep->e_vm.vm_dsize = vm->vm_dsize; 729 ep->e_vm.vm_ssize = vm->vm_ssize; 730 ep->e_vm.vm_pmap = vm->vm_pmap; 731 } 732 if (p->p_pptr) 733 ep->e_ppid = p->p_pptr->p_pid; 734 else 735 ep->e_ppid = 0; 736 ep->e_pgid = p->p_pgrp->pg_id; 737 ep->e_jobc = p->p_pgrp->pg_jobc; 738 if ((p->p_flag & P_CONTROLT) && 739 (tp = ep->e_sess->s_ttyp)) { 740 ep->e_tdev = tp->t_dev; 741 ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PID; 742 ep->e_tsess = tp->t_session; 743 } else 744 ep->e_tdev = NODEV; 745 ep->e_flag = ep->e_sess->s_ttyvp ? EPROC_CTTY : 0; 746 if (SESS_LEADER(p)) 747 ep->e_flag |= EPROC_SLEADER; 748 if (p->p_wmesg) 749 strncpy(ep->e_wmesg, p->p_wmesg, WMESGLEN); 750 ep->e_xsize = ep->e_xrssize = 0; 751 ep->e_xccount = ep->e_xswrss = 0; 752 } 753 754
Indexes created Tue Sep 30 11:09:46 GMT 2025