ps.c revision 129917
11556Srgrimes/*- 21556Srgrimes * Copyright (c) 1990, 1993, 1994 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * Redistribution and use in source and binary forms, with or without 61556Srgrimes * modification, are permitted provided that the following conditions 71556Srgrimes * are met: 81556Srgrimes * 1. Redistributions of source code must retain the above copyright 91556Srgrimes * notice, this list of conditions and the following disclaimer. 101556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111556Srgrimes * notice, this list of conditions and the following disclaimer in the 121556Srgrimes * documentation and/or other materials provided with the distribution. 131556Srgrimes * 4. Neither the name of the University nor the names of its contributors 141556Srgrimes * may be used to endorse or promote products derived from this software 151556Srgrimes * without specific prior written permission. 161556Srgrimes * 171556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271556Srgrimes * SUCH DAMAGE. 28127499Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 29127499Sgad * Copyright (c) 2004 - Garance Alistair Drosehn <gad@FreeBSD.org>. 30127499Sgad * All rights reserved. 31127499Sgad * 32127499Sgad * Significant modifications made to bring `ps' options somewhat closer 33127499Sgad * to the standard for `ps' as described in SingleUnixSpec-v3. 34127499Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 351556Srgrimes */ 361556Srgrimes 371556Srgrimes#ifndef lint 3890143Smarkmstatic const char copyright[] = 391556Srgrimes"@(#) Copyright (c) 1990, 1993, 1994\n\ 401556Srgrimes The Regents of the University of California. All rights reserved.\n"; 411556Srgrimes#endif /* not lint */ 421556Srgrimes 4390143Smarkm#if 0 441556Srgrimes#ifndef lint 4536049Scharnierstatic char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94"; 4690143Smarkm#endif /* not lint */ 4736049Scharnier#endif 48110391Scharnier 4999110Sobrien#include <sys/cdefs.h> 5099110Sobrien__FBSDID("$FreeBSD: head/bin/ps/ps.c 129917 2004-06-01 03:01:51Z gad $"); 511556Srgrimes 521556Srgrimes#include <sys/param.h> 53127546Sgad#include <sys/proc.h> 543296Sdg#include <sys/user.h> 551556Srgrimes#include <sys/stat.h> 561556Srgrimes#include <sys/ioctl.h> 571556Srgrimes#include <sys/sysctl.h> 581556Srgrimes 591556Srgrimes#include <ctype.h> 601556Srgrimes#include <err.h> 61127149Sgad#include <errno.h> 621556Srgrimes#include <fcntl.h> 63127499Sgad#include <grp.h> 641556Srgrimes#include <kvm.h> 6513514Smpp#include <limits.h> 6673367Sache#include <locale.h> 671556Srgrimes#include <paths.h> 6890143Smarkm#include <pwd.h> 691556Srgrimes#include <stdio.h> 701556Srgrimes#include <stdlib.h> 711556Srgrimes#include <string.h> 721556Srgrimes#include <unistd.h> 731556Srgrimes 741556Srgrimes#include "ps.h" 751556Srgrimes 76127499Sgad#define W_SEP " \t" /* "Whitespace" list separators */ 77127499Sgad#define T_SEP "," /* "Terminate-element" list separators */ 7866377Sbrian 79127537Sgad#ifdef LAZY_PS 80127555Sgad#define DEF_UREAD 0 81127537Sgad#define OPT_LAZY_f "f" 82127537Sgad#else 83127555Sgad#define DEF_UREAD 1 /* Always do the more-expensive read. */ 84127537Sgad#define OPT_LAZY_f /* I.e., the `-f' option is not added. */ 85127537Sgad#endif 86127537Sgad 87129914Sgad/* 88129914Sgad * isdigit is defined to work on an 'int', in the range 0 to 255, plus EOF. 89129914Sgad * Define a wrapper which can take 'char', either signed or unsigned. 90129914Sgad */ 91129914Sgad#define isdigitch(Anychar) isdigit(((int) Anychar) & 255) 92129914Sgad 93127537Sgadint cflag; /* -c */ 94127537Sgadint eval; /* Exit value */ 95127537Sgadtime_t now; /* Current time(3) value */ 96127537Sgadint rawcpu; /* -C */ 97127537Sgadint sumrusage; /* -S */ 98127537Sgadint termwidth; /* Width of the screen (0 == infinity). */ 99127537Sgadint totwidth; /* Calculated-width of requested variables. */ 100127537Sgad 10190143Smarkmstruct varent *vhead; 1021556Srgrimes 103127537Sgadstatic int forceuread = DEF_UREAD; /* Do extra work to get u-area. */ 104127537Sgadstatic kvm_t *kd; 105127537Sgadstatic KINFO *kinfo; 106127537Sgadstatic int needcomm; /* -o "command" */ 107127537Sgadstatic int needenv; /* -e */ 108127537Sgadstatic int needuser; /* -o "user" */ 109127537Sgadstatic int optfatal; /* Fatal error parsing some list-option. */ 1101556Srgrimes 111127537Sgadstatic enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT; 11297966Sjmallett 113127499Sgadstruct listinfo; 114127537Sgadtypedef int addelem_rtn(struct listinfo *_inf, const char *_elem); 115127499Sgad 116127499Sgadstruct listinfo { 117127499Sgad int count; 118127499Sgad int maxcount; 119127499Sgad int elemsize; 120127499Sgad addelem_rtn *addelem; 121127499Sgad const char *lname; 122127499Sgad union { 123127499Sgad gid_t *gids; 124127499Sgad pid_t *pids; 125127499Sgad dev_t *ttys; 126127499Sgad uid_t *uids; 127127499Sgad void *ptr; 128127823Sgad } l; 129127499Sgad}; 130127499Sgad 131127499Sgadstatic int addelem_gid(struct listinfo *, const char *); 132127499Sgadstatic int addelem_pid(struct listinfo *, const char *); 133127499Sgadstatic int addelem_tty(struct listinfo *, const char *); 134127499Sgadstatic int addelem_uid(struct listinfo *, const char *); 135127499Sgadstatic void add_list(struct listinfo *, const char *); 136127536Sgadstatic void dynsizevars(KINFO *); 137127499Sgadstatic void *expand_list(struct listinfo *); 138127598Sgadstatic const char * 139127598Sgad fmt(char **(*)(kvm_t *, const struct kinfo_proc *, int), 140127536Sgad KINFO *, char *, int); 141127499Sgadstatic void free_list(struct listinfo *); 142127499Sgadstatic void init_list(struct listinfo *, addelem_rtn, int, const char *); 143129915Sgadstatic char *kludge_oldps_options(const char *opts, char *, const char *); 144127536Sgadstatic int pscomp(const void *, const void *); 145127536Sgadstatic void saveuser(KINFO *); 146127536Sgadstatic void scanvars(void); 147127536Sgadstatic void sizevars(void); 148127536Sgadstatic void usage(void); 149127499Sgad 15097875Sjmallettstatic char dfmt[] = "pid,tt,state,time,command"; 151129635Sgadstatic char jfmt[] = "user,pid,ppid,pgid,sid,jobc,state,tt,time,command"; 152127538Sgadstatic char lfmt[] = "uid,pid,ppid,cpu,pri,nice,vsz,rss,mwchan,state," 153127538Sgad "tt,time,command"; 15490143Smarkmstatic char o1[] = "pid"; 15597875Sjmallettstatic char o2[] = "tt,state,time,command"; 15697875Sjmallettstatic char ufmt[] = "user,pid,%cpu,%mem,vsz,rss,tt,state,start,time,command"; 157127538Sgadstatic char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz," 158127538Sgad "%cpu,%mem,command"; 159105831Srwatsonstatic char Zfmt[] = "label"; 1601556Srgrimes 161127843Sgad#define PS_ARGS "AaCce" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ" 16298494Ssobomax 1631556Srgrimesint 16490110Simpmain(int argc, char *argv[]) 1651556Srgrimes{ 166127499Sgad struct listinfo gidlist, pgrplist, pidlist; 167127499Sgad struct listinfo ruidlist, sesslist, ttylist, uidlist; 1681556Srgrimes struct kinfo_proc *kp; 1691556Srgrimes struct varent *vent; 1701556Srgrimes struct winsize ws; 171129914Sgad const char *nlistf, *memf; 172127539Sgad char *cols; 173127499Sgad int all, ch, dropgid, elem, flag, _fmt, i, lineno; 174129914Sgad int nentries, nkept, nselectors; 175127499Sgad int prtheader, showthreads, wflag, what, xkeep, xkeep_implied; 17690143Smarkm char errbuf[_POSIX2_LINE_MAX]; 1771556Srgrimes 17811809Sache (void) setlocale(LC_ALL, ""); 179127542Sgad time(&now); /* Used by routines in print.c. */ 18011809Sache 18197804Stjr if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0') 18297804Stjr termwidth = atoi(cols); 18397804Stjr else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1841556Srgrimes ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1851556Srgrimes ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 1861556Srgrimes ws.ws_col == 0) 1871556Srgrimes termwidth = 79; 1881556Srgrimes else 1891556Srgrimes termwidth = ws.ws_col - 1; 1901556Srgrimes 19198494Ssobomax /* 192129914Sgad * Hide a number of option-processing kludges in a separate routine, 193129914Sgad * to support some historical BSD behaviors, such as `ps axu'. 19498494Ssobomax */ 195129914Sgad if (argc > 1) 196129915Sgad argv[1] = kludge_oldps_options(PS_ARGS, argv[1], argv[2]); 1971556Srgrimes 198127542Sgad all = dropgid = _fmt = nselectors = optfatal = 0; 199127542Sgad prtheader = showthreads = wflag = xkeep_implied = 0; 200127542Sgad xkeep = -1; /* Neither -x nor -X. */ 201127499Sgad init_list(&gidlist, addelem_gid, sizeof(gid_t), "group"); 202127499Sgad init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group"); 203127499Sgad init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id"); 204127499Sgad init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser"); 205127499Sgad init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id"); 206127499Sgad init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty"); 207127499Sgad init_list(&uidlist, addelem_uid, sizeof(uid_t), "user"); 20889909Sru memf = nlistf = _PATH_DEVNULL; 20998494Ssobomax while ((ch = getopt(argc, argv, PS_ARGS)) != -1) 2101556Srgrimes switch((char)ch) { 211127499Sgad case 'A': 212127499Sgad /* 213127499Sgad * Exactly the same as `-ax'. This has been 214127499Sgad * added for compatability with SUSv3, but for 215127499Sgad * now it will not be described in the man page. 216127499Sgad */ 217127499Sgad nselectors++; 218127499Sgad all = xkeep = 1; 219127499Sgad break; 2201556Srgrimes case 'a': 221127499Sgad nselectors++; 2221556Srgrimes all = 1; 2231556Srgrimes break; 22419068Speter case 'C': 22519068Speter rawcpu = 1; 22619068Speter break; 22719068Speter case 'c': 22819068Speter cflag = 1; 22919068Speter break; 2301556Srgrimes case 'e': /* XXX set ufmt */ 2311556Srgrimes needenv = 1; 2321556Srgrimes break; 233127506Sgad#ifdef LAZY_PS 234127506Sgad case 'f': 235127506Sgad if (getuid() == 0 || getgid() == 0) 236127542Sgad forceuread = 1; 237127506Sgad break; 238127506Sgad#endif 239127499Sgad case 'G': 240127499Sgad add_list(&gidlist, optarg); 241127499Sgad xkeep_implied = 1; 242127499Sgad nselectors++; 243127499Sgad break; 244127542Sgad case 'g': 245127499Sgad#if 0 246127597Sgad /*- 247127542Sgad * XXX - This SUSv3 behavior is still under debate 248127542Sgad * since it conflicts with the (undocumented) 249127542Sgad * `-g' option. So we skip it for now. 250127542Sgad */ 251127499Sgad add_list(&pgrplist, optarg); 252127499Sgad xkeep_implied = 1; 253127499Sgad nselectors++; 254127499Sgad break; 255127499Sgad#else 256127542Sgad /* The historical BSD-ish (from SunOS) behavior. */ 2571556Srgrimes break; /* no-op */ 258127499Sgad#endif 259116265Sscottl case 'H': 260126127Sdeischen showthreads = KERN_PROC_INC_THREAD; 261116265Sscottl break; 2621556Srgrimes case 'h': 2631556Srgrimes prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 2641556Srgrimes break; 2651556Srgrimes case 'j': 266109502Sjmallett parsefmt(jfmt, 0); 26790143Smarkm _fmt = 1; 2681556Srgrimes jfmt[0] = '\0'; 2691556Srgrimes break; 2701556Srgrimes case 'L': 2711556Srgrimes showkey(); 2721556Srgrimes exit(0); 2731556Srgrimes case 'l': 274109502Sjmallett parsefmt(lfmt, 0); 27590143Smarkm _fmt = 1; 2761556Srgrimes lfmt[0] = '\0'; 2771556Srgrimes break; 2781556Srgrimes case 'M': 2791556Srgrimes memf = optarg; 28037317Sphk dropgid = 1; 2811556Srgrimes break; 2821556Srgrimes case 'm': 2831556Srgrimes sortby = SORTMEM; 2841556Srgrimes break; 2851556Srgrimes case 'N': 2861556Srgrimes nlistf = optarg; 28737317Sphk dropgid = 1; 2881556Srgrimes break; 2891556Srgrimes case 'O': 290109502Sjmallett parsefmt(o1, 1); 291109502Sjmallett parsefmt(optarg, 1); 292109502Sjmallett parsefmt(o2, 1); 2931556Srgrimes o1[0] = o2[0] = '\0'; 29490143Smarkm _fmt = 1; 2951556Srgrimes break; 2961556Srgrimes case 'o': 297109502Sjmallett parsefmt(optarg, 1); 29890143Smarkm _fmt = 1; 2991556Srgrimes break; 3001556Srgrimes case 'p': 301127499Sgad add_list(&pidlist, optarg); 302127499Sgad /* 303127499Sgad * Note: `-p' does not *set* xkeep, but any values 304127499Sgad * from pidlist are checked before xkeep is. That 305127499Sgad * way they are always matched, even if the user 306127499Sgad * specifies `-X'. 307127499Sgad */ 308127499Sgad nselectors++; 3091556Srgrimes break; 310127499Sgad#if 0 311127499Sgad case 'R': 312127597Sgad /*- 313127542Sgad * XXX - This un-standard option is still under 314127542Sgad * debate. This is what SUSv3 defines as 315127542Sgad * the `-U' option, and while it would be 316127542Sgad * nice to have, it could cause even more 317127542Sgad * confusion to implement it as `-R'. 318127542Sgad */ 319127499Sgad add_list(&ruidlist, optarg); 320127499Sgad xkeep_implied = 1; 321127499Sgad nselectors++; 322127499Sgad break; 323127499Sgad#endif 3241556Srgrimes case 'r': 3251556Srgrimes sortby = SORTCPU; 3261556Srgrimes break; 3271556Srgrimes case 'S': 3281556Srgrimes sumrusage = 1; 3291556Srgrimes break; 330127499Sgad#if 0 331127499Sgad case 's': 332127597Sgad /*- 333127542Sgad * XXX - This non-standard option is still under 334127542Sgad * debate. This *is* supported on Solaris, 335127542Sgad * Linux, and IRIX, but conflicts with `-s' 336127542Sgad * on NetBSD and maybe some older BSD's. 337127542Sgad */ 338127499Sgad add_list(&sesslist, optarg); 339127499Sgad xkeep_implied = 1; 340127499Sgad nselectors++; 341127499Sgad break; 342127499Sgad#endif 3431556Srgrimes case 'T': 3441556Srgrimes if ((optarg = ttyname(STDIN_FILENO)) == NULL) 3451556Srgrimes errx(1, "stdin: not a terminal"); 3461556Srgrimes /* FALLTHROUGH */ 347127499Sgad case 't': 348127499Sgad add_list(&ttylist, optarg); 349127499Sgad xkeep_implied = 1; 350127499Sgad nselectors++; 3511556Srgrimes break; 35213020Speter case 'U': 353127499Sgad /* This is what SUSv3 defines as the `-u' option. */ 354127499Sgad add_list(&uidlist, optarg); 355127499Sgad xkeep_implied = 1; 356127499Sgad nselectors++; 35713020Speter break; 3581556Srgrimes case 'u': 359109502Sjmallett parsefmt(ufmt, 0); 3601556Srgrimes sortby = SORTCPU; 36190143Smarkm _fmt = 1; 3621556Srgrimes ufmt[0] = '\0'; 3631556Srgrimes break; 3641556Srgrimes case 'v': 365109502Sjmallett parsefmt(vfmt, 0); 3661556Srgrimes sortby = SORTMEM; 36790143Smarkm _fmt = 1; 3681556Srgrimes vfmt[0] = '\0'; 3691556Srgrimes break; 3701556Srgrimes case 'w': 3711556Srgrimes if (wflag) 3721556Srgrimes termwidth = UNLIMITED; 3731556Srgrimes else if (termwidth < 131) 3741556Srgrimes termwidth = 131; 3751556Srgrimes wflag++; 3761556Srgrimes break; 377127499Sgad case 'X': 378127499Sgad /* 379127499Sgad * Note that `-X' and `-x' are not standard "selector" 380127499Sgad * options. For most selector-options, we check *all* 381127499Sgad * processes to see if any are matched by the given 382127499Sgad * value(s). After we have a set of all the matched 383127499Sgad * processes, then `-X' and `-x' govern whether we 384127499Sgad * modify that *matched* set for processes which do 385127499Sgad * not have a controlling terminal. `-X' causes 386127499Sgad * those processes to be deleted from the matched 387127499Sgad * set, while `-x' causes them to be kept. 388127499Sgad */ 389127499Sgad xkeep = 0; 390127499Sgad break; 3911556Srgrimes case 'x': 392127499Sgad xkeep = 1; 3931556Srgrimes break; 39486922Sgreen case 'Z': 395109502Sjmallett parsefmt(Zfmt, 0); 39686922Sgreen Zfmt[0] = '\0'; 39786922Sgreen break; 3981556Srgrimes case '?': 3991556Srgrimes default: 4001556Srgrimes usage(); 4011556Srgrimes } 4021556Srgrimes argc -= optind; 4031556Srgrimes argv += optind; 404129914Sgad 405129914Sgad /* 406129914Sgad * If there arguments after processing all the options, attempt 407129914Sgad * to treat them as a list of process ids. 408129914Sgad */ 409129914Sgad while (*argv) { 410129914Sgad if (!isdigitch(**argv)) 411129914Sgad break; 412129914Sgad add_list(&pidlist, *argv); 413129914Sgad argv++; 414129914Sgad } 415129914Sgad if (*argv) { 416129914Sgad fprintf(stderr, "%s: illegal argument: %s\n", 417129914Sgad getprogname(), *argv); 418129914Sgad usage(); 419129914Sgad } 420127499Sgad if (optfatal) 421127542Sgad exit(1); /* Error messages already printed. */ 422127542Sgad if (xkeep < 0) /* Neither -X nor -x was specified. */ 423127499Sgad xkeep = xkeep_implied; 424127499Sgad 425129914Sgad 4261556Srgrimes /* 4271556Srgrimes * Discard setgid privileges if not the running kernel so that bad 4281556Srgrimes * guys can't print interesting stuff from kernel memory. 4291556Srgrimes */ 43037317Sphk if (dropgid) { 4311556Srgrimes setgid(getgid()); 43237317Sphk setuid(getuid()); 43337317Sphk } 4341556Srgrimes 43589909Sru kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 4361556Srgrimes if (kd == 0) 4371556Srgrimes errx(1, "%s", errbuf); 4381556Srgrimes 43990143Smarkm if (!_fmt) 440109502Sjmallett parsefmt(dfmt, 0); 4411556Srgrimes 442127499Sgad if (nselectors == 0) { 443127823Sgad uidlist.l.ptr = malloc(sizeof(uid_t)); 444127823Sgad if (uidlist.l.ptr == NULL) 44597877Sjmallett errx(1, "malloc failed"); 446127499Sgad nselectors = 1; 447127499Sgad uidlist.count = uidlist.maxcount = 1; 448127823Sgad *uidlist.l.uids = getuid(); 44966377Sbrian } 4501556Srgrimes 4511556Srgrimes /* 4521556Srgrimes * scan requested variables, noting what structures are needed, 45353170Skris * and adjusting header widths as appropriate. 4541556Srgrimes */ 4551556Srgrimes scanvars(); 456127499Sgad 4571556Srgrimes /* 458127499Sgad * Get process list. If the user requested just one selector- 459127499Sgad * option, then kvm_getprocs can be asked to return just those 460127499Sgad * processes. Otherwise, have it return all processes, and 461127499Sgad * then this routine will search that full list and select the 462127499Sgad * processes which match any of the user's selector-options. 4631556Srgrimes */ 464127499Sgad what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC; 465127499Sgad flag = 0; 466127499Sgad if (nselectors == 1) { 467129600Sgad if (gidlist.count == 1) { 468129600Sgad what = KERN_PROC_RGID | showthreads; 469129600Sgad flag = *gidlist.l.gids; 470129600Sgad nselectors = 0; 471129600Sgad } else if (pgrplist.count == 1) { 472127499Sgad what = KERN_PROC_PGRP | showthreads; 473127823Sgad flag = *pgrplist.l.pids; 474127499Sgad nselectors = 0; 475127499Sgad } else if (pidlist.count == 1) { 476127499Sgad what = KERN_PROC_PID | showthreads; 477127823Sgad flag = *pidlist.l.pids; 478127499Sgad nselectors = 0; 479127499Sgad } else if (ruidlist.count == 1) { 480127499Sgad what = KERN_PROC_RUID | showthreads; 481127823Sgad flag = *ruidlist.l.uids; 482127499Sgad nselectors = 0; 483127499Sgad } else if (sesslist.count == 1) { 484127499Sgad what = KERN_PROC_SESSION | showthreads; 485127823Sgad flag = *sesslist.l.pids; 486127499Sgad nselectors = 0; 487127499Sgad } else if (ttylist.count == 1) { 488127499Sgad what = KERN_PROC_TTY | showthreads; 489127823Sgad flag = *ttylist.l.ttys; 490127499Sgad nselectors = 0; 491127499Sgad } else if (uidlist.count == 1) { 492127499Sgad what = KERN_PROC_UID | showthreads; 493127823Sgad flag = *uidlist.l.uids; 494127499Sgad nselectors = 0; 495127499Sgad } else if (all) { 496127499Sgad /* No need for this routine to select processes. */ 497127499Sgad nselectors = 0; 498127499Sgad } 4991556Srgrimes } 500126127Sdeischen 5011556Srgrimes /* 5021556Srgrimes * select procs 5031556Srgrimes */ 504127499Sgad nentries = -1; 505127149Sgad kp = kvm_getprocs(kd, what, flag, &nentries); 506127544Sgad if ((kp == NULL && nentries > 0) || (kp != NULL && nentries < 0)) 5071556Srgrimes errx(1, "%s", kvm_geterr(kd)); 508127499Sgad nkept = 0; 509127149Sgad if (nentries > 0) { 510127149Sgad if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 511127149Sgad errx(1, "malloc failed"); 512127149Sgad for (i = nentries; --i >= 0; ++kp) { 513127499Sgad /* 514127499Sgad * If the user specified multiple selection-criteria, 515127499Sgad * then keep any process matched by the inclusive OR 516127499Sgad * of all the selection-criteria given. 517127499Sgad */ 518127499Sgad if (pidlist.count > 0) { 519127499Sgad for (elem = 0; elem < pidlist.count; elem++) 520127823Sgad if (kp->ki_pid == pidlist.l.pids[elem]) 521127499Sgad goto keepit; 522127499Sgad } 523127499Sgad /* 524127499Sgad * Note that we had to process pidlist before 525127499Sgad * filtering out processes which do not have 526127499Sgad * a controlling terminal. 527127499Sgad */ 528127499Sgad if (xkeep == 0) { 529127499Sgad if ((kp->ki_tdev == NODEV || 530127499Sgad (kp->ki_flag & P_CONTROLT) == 0)) 531127499Sgad continue; 532127499Sgad } 533127499Sgad if (nselectors == 0) 534127499Sgad goto keepit; 535127499Sgad if (gidlist.count > 0) { 536127499Sgad for (elem = 0; elem < gidlist.count; elem++) 537127823Sgad if (kp->ki_rgid == gidlist.l.gids[elem]) 538127499Sgad goto keepit; 539127499Sgad } 540127499Sgad if (pgrplist.count > 0) { 541127499Sgad for (elem = 0; elem < pgrplist.count; elem++) 542127823Sgad if (kp->ki_pgid == 543127823Sgad pgrplist.l.pids[elem]) 544127499Sgad goto keepit; 545127499Sgad } 546127499Sgad if (ruidlist.count > 0) { 547127499Sgad for (elem = 0; elem < ruidlist.count; elem++) 548127823Sgad if (kp->ki_ruid == 549127823Sgad ruidlist.l.uids[elem]) 550127499Sgad goto keepit; 551127499Sgad } 552127499Sgad if (sesslist.count > 0) { 553127499Sgad for (elem = 0; elem < sesslist.count; elem++) 554127823Sgad if (kp->ki_sid == sesslist.l.pids[elem]) 555127499Sgad goto keepit; 556127499Sgad } 557127499Sgad if (ttylist.count > 0) { 558127499Sgad for (elem = 0; elem < ttylist.count; elem++) 559127823Sgad if (kp->ki_tdev == ttylist.l.ttys[elem]) 560127499Sgad goto keepit; 561127499Sgad } 562127499Sgad if (uidlist.count > 0) { 563127499Sgad for (elem = 0; elem < uidlist.count; elem++) 564127823Sgad if (kp->ki_uid == uidlist.l.uids[elem]) 565127499Sgad goto keepit; 566127499Sgad } 567127499Sgad /* 568127499Sgad * This process did not match any of the user's 569127499Sgad * selector-options, so skip the process. 570127499Sgad */ 571127499Sgad continue; 572127499Sgad 573127499Sgad keepit: 574127499Sgad kinfo[nkept].ki_p = kp; 575127149Sgad if (needuser) 576127499Sgad saveuser(&kinfo[nkept]); 577127499Sgad dynsizevars(&kinfo[nkept]); 578127499Sgad nkept++; 579127149Sgad } 5801556Srgrimes } 58125271Sjkh 58225271Sjkh sizevars(); 58325271Sjkh 5841556Srgrimes /* 5851556Srgrimes * print header 5861556Srgrimes */ 5871556Srgrimes printheader(); 588127499Sgad if (nkept == 0) 58962803Swill exit(1); 590127499Sgad 5911556Srgrimes /* 5921556Srgrimes * sort proc list 5931556Srgrimes */ 594127499Sgad qsort(kinfo, nkept, sizeof(KINFO), pscomp); 5951556Srgrimes /* 596127499Sgad * For each process, call each variable output function. 5971556Srgrimes */ 598127499Sgad for (i = lineno = 0; i < nkept; i++) { 5991556Srgrimes for (vent = vhead; vent; vent = vent->next) { 6001556Srgrimes (vent->var->oproc)(&kinfo[i], vent); 6011556Srgrimes if (vent->next != NULL) 6021556Srgrimes (void)putchar(' '); 6031556Srgrimes } 6041556Srgrimes (void)putchar('\n'); 6051556Srgrimes if (prtheader && lineno++ == prtheader - 4) { 6061556Srgrimes (void)putchar('\n'); 6071556Srgrimes printheader(); 6081556Srgrimes lineno = 0; 6091556Srgrimes } 6101556Srgrimes } 611127499Sgad free_list(&gidlist); 612127499Sgad free_list(&pidlist); 613127499Sgad free_list(&pgrplist); 614127499Sgad free_list(&ruidlist); 615127499Sgad free_list(&sesslist); 616127499Sgad free_list(&ttylist); 617127499Sgad free_list(&uidlist); 61866377Sbrian 6191556Srgrimes exit(eval); 6201556Srgrimes} 6211556Srgrimes 622127499Sgadstatic int 623127499Sgadaddelem_gid(struct listinfo *inf, const char *elem) 624127499Sgad{ 625127499Sgad struct group *grp; 626127499Sgad const char *nameorID; 627127499Sgad char *endp; 628127602Sgad u_long bigtemp; 629127499Sgad 630127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 631127499Sgad if (*elem == '\0') 632127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 633127499Sgad else 634127499Sgad warnx("%s name too long: %s", inf->lname, elem); 635127499Sgad optfatal = 1; 636127542Sgad return (0); /* Do not add this value. */ 637127499Sgad } 638127499Sgad 639127499Sgad /* 640127499Sgad * SUSv3 states that `ps -G grouplist' should match "real-group 641127499Sgad * ID numbers", and does not mention group-names. I do want to 642127499Sgad * also support group-names, so this tries for a group-id first, 643127499Sgad * and only tries for a name if that doesn't work. This is the 644127499Sgad * opposite order of what is done in addelem_uid(), but in 645127499Sgad * practice the order would only matter for group-names which 646127499Sgad * are all-numeric. 647127499Sgad */ 648127499Sgad grp = NULL; 649127499Sgad nameorID = "named"; 650127499Sgad errno = 0; 651127602Sgad bigtemp = strtoul(elem, &endp, 10); 652127602Sgad if (errno == 0 && *endp == '\0' && bigtemp <= GID_MAX) { 653127499Sgad nameorID = "name or ID matches"; 654127602Sgad grp = getgrgid((gid_t)bigtemp); 655127499Sgad } 656127499Sgad if (grp == NULL) 657127499Sgad grp = getgrnam(elem); 658127499Sgad if (grp == NULL) { 659127499Sgad warnx("No %s %s '%s'", inf->lname, nameorID, elem); 660127499Sgad optfatal = 1; 661127542Sgad return (0); /* Do not add this value. */ 662127499Sgad } 663127499Sgad 664127499Sgad if (inf->count >= inf->maxcount) 665127499Sgad expand_list(inf); 666127823Sgad inf->l.gids[(inf->count)++] = grp->gr_gid; 667127499Sgad return (1); 668127499Sgad} 669127499Sgad 670127597Sgad#define BSD_PID_MAX 99999 /* Copy of PID_MAX from sys/proc.h. */ 671127499Sgadstatic int 672127499Sgadaddelem_pid(struct listinfo *inf, const char *elem) 673127149Sgad{ 674127539Sgad char *endp; 675127149Sgad long tempid; 676127149Sgad 677129917Sgad if (*elem == '\0') { 678129917Sgad warnx("Invalid (zero-length) process id"); 679129917Sgad optfatal = 1; 680129917Sgad return (0); /* Do not add this value. */ 681129917Sgad } else { 682127499Sgad errno = 0; 683127499Sgad tempid = strtol(elem, &endp, 10); 684127499Sgad if (*endp != '\0' || tempid < 0 || elem == endp) { 685127499Sgad warnx("Invalid %s: %s", inf->lname, elem); 686127499Sgad errno = ERANGE; 687127499Sgad } else if (errno != 0 || tempid > BSD_PID_MAX) { 688127499Sgad warnx("%s too large: %s", inf->lname, elem); 689127499Sgad errno = ERANGE; 690127149Sgad } 691127499Sgad if (errno == ERANGE) { 692127499Sgad optfatal = 1; 693127542Sgad return (0); /* Do not add this value. */ 694127149Sgad } 695127149Sgad } 696127149Sgad 697127499Sgad if (inf->count >= inf->maxcount) 698127499Sgad expand_list(inf); 699127823Sgad inf->l.pids[(inf->count)++] = tempid; 700127499Sgad return (1); 701127499Sgad} 702127499Sgad#undef BSD_PID_MAX 703127149Sgad 704127499Sgadstatic int 705127499Sgadaddelem_tty(struct listinfo *inf, const char *elem) 706127499Sgad{ 707127539Sgad const char *ttypath; 708127539Sgad struct stat sb; 709127499Sgad char pathbuf[PATH_MAX]; 710127499Sgad 711127499Sgad if (strcmp(elem, "co") == 0) 712127499Sgad ttypath = strdup(_PATH_CONSOLE); 713127499Sgad else if (*elem == '/') 714127499Sgad ttypath = elem; 715127499Sgad else { 716127499Sgad strlcpy(pathbuf, _PATH_TTY, sizeof(pathbuf)); 717127499Sgad strlcat(pathbuf, elem, sizeof(pathbuf)); 718127499Sgad ttypath = pathbuf; 719127499Sgad } 720127499Sgad 721127499Sgad if (stat(ttypath, &sb) == -1) { 722127499Sgad warn("%s", ttypath); 723127499Sgad optfatal = 1; 724127542Sgad return (0); /* Do not add this value. */ 725127499Sgad } 726127499Sgad if (!S_ISCHR(sb.st_mode)) { 727127499Sgad warn("%s: Not a terminal", ttypath); 728127499Sgad optfatal = 1; 729127542Sgad return (0); /* Do not add this value. */ 730127499Sgad } 731127499Sgad 732127499Sgad if (inf->count >= inf->maxcount) 733127499Sgad expand_list(inf); 734127823Sgad inf->l.ttys[(inf->count)++] = sb.st_rdev; 735127499Sgad return (1); 736127149Sgad} 737127149Sgad 738127499Sgadstatic int 739127499Sgadaddelem_uid(struct listinfo *inf, const char *elem) 74066377Sbrian{ 74166377Sbrian struct passwd *pwd; 742127539Sgad char *endp; 743127602Sgad u_long bigtemp; 74466377Sbrian 745127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 746127499Sgad if (*elem == '\0') 747127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 748127499Sgad else 749127499Sgad warnx("%s name too long: %s", inf->lname, elem); 750127499Sgad optfatal = 1; 751127542Sgad return (0); /* Do not add this value. */ 752127499Sgad } 75366377Sbrian 754127499Sgad pwd = getpwnam(elem); 755127499Sgad if (pwd == NULL) { 756127499Sgad errno = 0; 757127602Sgad bigtemp = strtoul(elem, &endp, 10); 758127602Sgad if (errno != 0 || *endp != '\0' || bigtemp > UID_MAX) 759127499Sgad warnx("No %s named '%s'", inf->lname, elem); 760127499Sgad else { 761127499Sgad /* The string is all digits, so it might be a userID. */ 762127602Sgad pwd = getpwuid((uid_t)bigtemp); 763127499Sgad if (pwd == NULL) 764127499Sgad warnx("No %s name or ID matches '%s'", 765127499Sgad inf->lname, elem); 76666377Sbrian } 767127499Sgad } 768127499Sgad if (pwd == NULL) { 769127509Sgad /* 770127509Sgad * These used to be treated as minor warnings (and the 771127509Sgad * option was simply ignored), but now they are fatal 772127509Sgad * errors (and the command will be aborted). 773127509Sgad */ 774127509Sgad optfatal = 1; 775127542Sgad return (0); /* Do not add this value. */ 776127499Sgad } 777127499Sgad 778127499Sgad if (inf->count >= inf->maxcount) 779127499Sgad expand_list(inf); 780127823Sgad inf->l.uids[(inf->count)++] = pwd->pw_uid; 781127499Sgad return (1); 782127499Sgad} 783127499Sgad 784127499Sgadstatic void 785127499Sgadadd_list(struct listinfo *inf, const char *argp) 786127499Sgad{ 787127499Sgad const char *savep; 788127499Sgad char *cp, *endp; 789127499Sgad int toolong; 790127539Sgad char elemcopy[PATH_MAX]; 791127499Sgad 792129917Sgad if (*argp == 0) 793129917Sgad inf->addelem(inf, elemcopy); 794129917Sgad 795127499Sgad while (*argp != '\0') { 796127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 797127499Sgad argp++; 798127499Sgad savep = argp; 799127499Sgad toolong = 0; 800127499Sgad cp = elemcopy; 801127499Sgad if (strchr(T_SEP, *argp) == NULL) { 802127499Sgad endp = elemcopy + sizeof(elemcopy) - 1; 803127499Sgad while (*argp != '\0' && cp <= endp && 804127499Sgad strchr(W_SEP T_SEP, *argp) == NULL) 805127499Sgad *cp++ = *argp++; 806127499Sgad if (cp > endp) 807127499Sgad toolong = 1; 80866377Sbrian } 809127499Sgad if (!toolong) { 810127499Sgad *cp = '\0'; 811127499Sgad#ifndef ADD_PS_LISTRESET 812127542Sgad /* 813127542Sgad * This is how the standard expects lists to 814127542Sgad * be handled. 815127542Sgad */ 816127499Sgad inf->addelem(inf, elemcopy); 817127499Sgad#else 818127597Sgad /*- 819127542Sgad * This would add a simple non-standard-but-convienent 820127542Sgad * feature. 821127542Sgad * 822127542Sgad * XXX - The first time I tried to add this check, 823127542Sgad * it increased the total size of `ps' by 3940 824127542Sgad * bytes on i386! That's 12% of the entire 825127542Sgad * program! The `ps.o' file grew by only about 826127542Sgad * 40 bytes, but the final (stripped) executable 827127542Sgad * in /bin/ps grew by 12%. I have not had time 828127542Sgad * to investigate, so skip the feature for now. 829127542Sgad */ 830127542Sgad /* 831127499Sgad * We now have a single element. Add it to the 832127499Sgad * list, unless the element is ":". In that case, 833127499Sgad * reset the list so previous entries are ignored. 834127499Sgad */ 835127499Sgad if (strcmp(elemcopy, ":") == 0) 836127499Sgad inf->count = 0; 837127499Sgad else 838127499Sgad inf->addelem(inf, elemcopy); 839127499Sgad#endif 840127499Sgad } else { 841127499Sgad /* 842127499Sgad * The string is too long to copy. Find the end 843127499Sgad * of the string to print out the warning message. 844127499Sgad */ 845127499Sgad while (*argp != '\0' && strchr(W_SEP T_SEP, 846127499Sgad *argp) == NULL) 847127499Sgad argp++; 848127499Sgad warnx("Value too long: %.*s", (int)(argp - savep), 849127499Sgad savep); 850127499Sgad optfatal = 1; 85166377Sbrian } 852127499Sgad /* 853127499Sgad * Skip over any number of trailing whitespace characters, 854127499Sgad * but only one (at most) trailing element-terminating 855127499Sgad * character. 856127499Sgad */ 857127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 858127499Sgad argp++; 859127499Sgad if (*argp != '\0' && strchr(T_SEP, *argp) != NULL) { 860127499Sgad argp++; 861127499Sgad /* Catch case where string ended with a comma. */ 862127499Sgad if (*argp == '\0') 863127499Sgad inf->addelem(inf, argp); 864127499Sgad } 86566377Sbrian } 866127499Sgad} 86766377Sbrian 868127499Sgadstatic void * 869127499Sgadexpand_list(struct listinfo *inf) 870127499Sgad{ 871127539Sgad void *newlist; 872127499Sgad int newmax; 87366377Sbrian 874127499Sgad newmax = (inf->maxcount + 1) << 1; 875127823Sgad newlist = realloc(inf->l.ptr, newmax * inf->elemsize); 876127499Sgad if (newlist == NULL) { 877127823Sgad free(inf->l.ptr); 878127499Sgad errx(1, "realloc to %d %ss failed", newmax, 879127499Sgad inf->lname); 880127499Sgad } 881127499Sgad inf->maxcount = newmax; 882127823Sgad inf->l.ptr = newlist; 883127499Sgad 884127499Sgad return (newlist); 88566377Sbrian} 88666377Sbrian 887127499Sgadstatic void 888127499Sgadfree_list(struct listinfo *inf) 889127499Sgad{ 890127499Sgad 891127499Sgad inf->count = inf->elemsize = inf->maxcount = 0; 892127823Sgad if (inf->l.ptr != NULL) 893127823Sgad free(inf->l.ptr); 894127499Sgad inf->addelem = NULL; 895127499Sgad inf->lname = NULL; 896127823Sgad inf->l.ptr = NULL; 897127499Sgad} 898127499Sgad 899127499Sgadstatic void 900127499Sgadinit_list(struct listinfo *inf, addelem_rtn artn, int elemsize, 901127499Sgad const char *lname) 902127499Sgad{ 903127499Sgad 904127499Sgad inf->count = inf->maxcount = 0; 905127499Sgad inf->elemsize = elemsize; 906127499Sgad inf->addelem = artn; 907127499Sgad inf->lname = lname; 908127823Sgad inf->l.ptr = NULL; 909127499Sgad} 910127499Sgad 911109502SjmallettVARENT * 912109502Sjmallettfind_varentry(VAR *v) 913109502Sjmallett{ 914109502Sjmallett struct varent *vent; 915109502Sjmallett 916109502Sjmallett for (vent = vhead; vent; vent = vent->next) { 917109502Sjmallett if (strcmp(vent->var->name, v->name) == 0) 918109502Sjmallett return vent; 919109502Sjmallett } 920109502Sjmallett return NULL; 921109502Sjmallett} 922109502Sjmallett 9231556Srgrimesstatic void 92490110Simpscanvars(void) 9251556Srgrimes{ 9261556Srgrimes struct varent *vent; 9271556Srgrimes VAR *v; 92825271Sjkh 92925271Sjkh for (vent = vhead; vent; vent = vent->next) { 93025271Sjkh v = vent->var; 93125271Sjkh if (v->flag & DSIZ) { 93225271Sjkh v->dwidth = v->width; 93325271Sjkh v->width = 0; 93425271Sjkh } 93525271Sjkh if (v->flag & USER) 93625271Sjkh needuser = 1; 93725271Sjkh if (v->flag & COMM) 93825271Sjkh needcomm = 1; 93925271Sjkh } 94025271Sjkh} 94125271Sjkh 94225271Sjkhstatic void 94390110Simpdynsizevars(KINFO *ki) 94425271Sjkh{ 94525271Sjkh struct varent *vent; 94625271Sjkh VAR *v; 9471556Srgrimes int i; 9481556Srgrimes 9491556Srgrimes for (vent = vhead; vent; vent = vent->next) { 9501556Srgrimes v = vent->var; 95125271Sjkh if (!(v->flag & DSIZ)) 95225271Sjkh continue; 95325271Sjkh i = (v->sproc)( ki); 95425271Sjkh if (v->width < i) 95525271Sjkh v->width = i; 95625271Sjkh if (v->width > v->dwidth) 95725271Sjkh v->width = v->dwidth; 95825271Sjkh } 95925271Sjkh} 96025271Sjkh 96125271Sjkhstatic void 96290110Simpsizevars(void) 96325271Sjkh{ 96425271Sjkh struct varent *vent; 96525271Sjkh VAR *v; 96625271Sjkh int i; 96725271Sjkh 96825271Sjkh for (vent = vhead; vent; vent = vent->next) { 96925271Sjkh v = vent->var; 970109504Sjmallett i = strlen(vent->header); 9711556Srgrimes if (v->width < i) 9721556Srgrimes v->width = i; 9731556Srgrimes totwidth += v->width + 1; /* +1 for space */ 9741556Srgrimes } 9751556Srgrimes totwidth--; 9761556Srgrimes} 9771556Srgrimes 97890143Smarkmstatic const char * 97990110Simpfmt(char **(*fn)(kvm_t *, const struct kinfo_proc *, int), KINFO *ki, 980127542Sgad char *comm, int maxlen) 9811556Srgrimes{ 98290143Smarkm const char *s; 9831556Srgrimes 98490143Smarkm s = fmt_argv((*fn)(kd, ki->ki_p, termwidth), comm, maxlen); 9851556Srgrimes return (s); 9861556Srgrimes} 9871556Srgrimes 98871578Sjhb#define UREADOK(ki) (forceuread || (ki->ki_p->ki_sflag & PS_INMEM)) 98931552Sdyson 9901556Srgrimesstatic void 99190110Simpsaveuser(KINFO *ki) 9921556Srgrimes{ 9931556Srgrimes 99471578Sjhb if (ki->ki_p->ki_sflag & PS_INMEM) { 9951556Srgrimes /* 9961556Srgrimes * The u-area might be swapped out, and we can't get 9971556Srgrimes * at it because we have a crashdump and no swap. 9981556Srgrimes * If it's here fill in these fields, otherwise, just 9991556Srgrimes * leave them 0. 10001556Srgrimes */ 100169896Smckusick ki->ki_valid = 1; 10021556Srgrimes } else 100369896Smckusick ki->ki_valid = 0; 10041556Srgrimes /* 10051556Srgrimes * save arguments if needed 10061556Srgrimes */ 100769896Smckusick if (needcomm && (UREADOK(ki) || (ki->ki_p->ki_args != NULL))) { 100890143Smarkm ki->ki_args = strdup(fmt(kvm_getargv, ki, ki->ki_p->ki_comm, 100990143Smarkm MAXCOMLEN)); 101031552Sdyson } else if (needcomm) { 101190143Smarkm asprintf(&ki->ki_args, "(%s)", ki->ki_p->ki_comm); 101253276Speter } else { 101353276Speter ki->ki_args = NULL; 101453276Speter } 101553276Speter if (needenv && UREADOK(ki)) { 101690143Smarkm ki->ki_env = strdup(fmt(kvm_getenvv, ki, (char *)NULL, 0)); 101753276Speter } else if (needenv) { 101853276Speter ki->ki_env = malloc(3); 101953276Speter strcpy(ki->ki_env, "()"); 102053276Speter } else { 102153276Speter ki->ki_env = NULL; 102253276Speter } 10231556Srgrimes} 10241556Srgrimes 10251556Srgrimesstatic int 102690110Simppscomp(const void *a, const void *b) 10271556Srgrimes{ 1028127596Sgad const KINFO *ka, *kb; 1029127596Sgad double cpua, cpub; 1030127596Sgad segsz_t sizea, sizeb; 10311556Srgrimes 1032127596Sgad ka = a; 1033127596Sgad kb = b; 1034127596Sgad /* SORTCPU and SORTMEM are sorted in descending order. */ 1035127596Sgad if (sortby == SORTCPU) { 1036127596Sgad cpua = getpcpu(ka); 1037127596Sgad cpub = getpcpu(kb); 1038127596Sgad if (cpua < cpub) 1039127596Sgad return (1); 1040127596Sgad if (cpua > cpub) 1041127596Sgad return (-1); 1042127596Sgad } 1043127596Sgad if (sortby == SORTMEM) { 1044127596Sgad sizea = ka->ki_p->ki_tsize + ka->ki_p->ki_dsize + 1045127596Sgad ka->ki_p->ki_ssize; 1046127596Sgad sizeb = kb->ki_p->ki_tsize + kb->ki_p->ki_dsize + 1047127596Sgad kb->ki_p->ki_ssize; 1048127596Sgad if (sizea < sizeb) 1049127596Sgad return (1); 1050127596Sgad if (sizea > sizeb) 1051127596Sgad return (-1); 1052127596Sgad } 1053127596Sgad /* 1054127596Sgad * TTY's are sorted in ascending order, except that all NODEV 1055127596Sgad * processes come before all processes with a device. 1056127596Sgad */ 1057127596Sgad if (ka->ki_p->ki_tdev == NODEV && kb->ki_p->ki_tdev != NODEV) 1058127596Sgad return (-1); 1059127596Sgad if (ka->ki_p->ki_tdev != NODEV && kb->ki_p->ki_tdev == NODEV) 1060127596Sgad return (1); 1061127596Sgad if (ka->ki_p->ki_tdev < kb->ki_p->ki_tdev) 1062127596Sgad return (-1); 1063127596Sgad if (ka->ki_p->ki_tdev > kb->ki_p->ki_tdev) 1064127596Sgad return (1); 1065127596Sgad /* PID's are sorted in ascending order. */ 1066127596Sgad if (ka->ki_p->ki_pid < kb->ki_p->ki_pid) 1067127596Sgad return (-1); 1068127596Sgad if (ka->ki_p->ki_pid > kb->ki_p->ki_pid) 1069127596Sgad return (1); 1070127596Sgad return (0); 10711556Srgrimes} 10721556Srgrimes 10731556Srgrimes/* 10741556Srgrimes * ICK (all for getopt), would rather hide the ugliness 10751556Srgrimes * here than taint the main code. 10761556Srgrimes * 10771556Srgrimes * ps foo -> ps -foo 10781556Srgrimes * ps 34 -> ps -p34 10791556Srgrimes * 10801556Srgrimes * The old convention that 't' with no trailing tty arg means the users 10811556Srgrimes * tty, is only supported if argv[1] doesn't begin with a '-'. This same 10821556Srgrimes * feature is available with the option 'T', which takes no argument. 10831556Srgrimes */ 10841556Srgrimesstatic char * 1085129915Sgadkludge_oldps_options(const char *optlist, char *origval, const char *nextarg) 10861556Srgrimes{ 10871556Srgrimes size_t len; 1088129914Sgad char *argp, *cp, *newopts, *ns, *optp, *pidp; 10891556Srgrimes 1090102886Sjmallett /* 1091129914Sgad * See if the original value includes any option which takes an 1092129914Sgad * argument (and will thus use up the remainder of the string). 1093102886Sjmallett */ 1094129914Sgad argp = NULL; 1095129914Sgad if (optlist != NULL) { 1096129914Sgad for (cp = origval; *cp != '\0'; cp++) { 1097129914Sgad optp = strchr(optlist, *cp); 1098129914Sgad if ((optp != NULL) && *(optp + 1) == ':') { 1099129914Sgad argp = cp; 1100129914Sgad break; 1101129914Sgad } 1102129914Sgad } 1103129914Sgad } 1104129914Sgad if (argp != NULL && *origval == '-') 1105129914Sgad return (origval); 1106102886Sjmallett 11071556Srgrimes /* 11081556Srgrimes * if last letter is a 't' flag with no argument (in the context 11091556Srgrimes * of the oldps options -- option string NOT starting with a '-' -- 11101556Srgrimes * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 111181743Sbrian * 1112129634Sgad * However, if a flag accepting a string argument is found earlier 1113129634Sgad * in the option string (including a possible `t' flag), then the 1114129634Sgad * remainder of the string must be the argument to that flag; so 1115129914Sgad * do not modify that argument. Note that a trailing `t' would 1116129914Sgad * cause argp to be set, if argp was not already set by some 1117129914Sgad * earlier option. 11181556Srgrimes */ 1119129914Sgad len = strlen(origval); 1120129914Sgad cp = origval + len - 1; 1121129914Sgad pidp = NULL; 1122129915Sgad if (*cp == 't' && *origval != '-' && cp == argp) { 1123129915Sgad if (nextarg == NULL || *nextarg == '-' || isdigitch(*nextarg)) 1124129915Sgad *cp = 'T'; 1125129915Sgad } else if (argp == NULL) { 11261556Srgrimes /* 1127129914Sgad * The original value did not include any option which takes 1128129914Sgad * an argument (and that would include `p' and `t'), so check 1129129914Sgad * the value for trailing number, or comma-separated list of 1130129914Sgad * numbers, which we will treat as a pid request. 11311556Srgrimes */ 1132129914Sgad if (isdigitch(*cp)) { 1133129914Sgad while (cp >= origval && (*cp == ',' || isdigitch(*cp))) 1134129914Sgad --cp; 1135129914Sgad pidp = cp + 1; 1136129914Sgad } 11371556Srgrimes } 1138129914Sgad 11391556Srgrimes /* 1140129914Sgad * If nothing needs to be added to the string, then return 1141129914Sgad * the "original" (although possibly modified) value. 11421556Srgrimes */ 1143129914Sgad if (*origval == '-' && pidp == NULL) 1144129914Sgad return (origval); 1145129914Sgad 1146129914Sgad /* 1147129914Sgad * Create a copy of the string to add '-' and/or 'p' to the 1148129914Sgad * original value. 1149129914Sgad */ 1150129914Sgad if ((newopts = ns = malloc(len + 3)) == NULL) 1151129914Sgad errx(1, "malloc failed"); 1152129914Sgad 1153129914Sgad if (*origval != '-') 1154129914Sgad *ns++ = '-'; /* add option flag */ 1155129914Sgad 1156129914Sgad if (pidp == NULL) 1157129914Sgad strcpy(ns, origval); 1158129914Sgad else { 1159129914Sgad /* 1160129914Sgad * Copy everything before the pid string, add the `p', 1161129914Sgad * and then copy the pid string. 1162129914Sgad */ 1163129914Sgad len = pidp - origval; 1164129914Sgad memcpy(ns, origval, len); 1165129914Sgad ns += len; 11661556Srgrimes *ns++ = 'p'; 1167129914Sgad strcpy(ns, pidp); 1168129914Sgad } 11691556Srgrimes 11701556Srgrimes return (newopts); 11711556Srgrimes} 11721556Srgrimes 11731556Srgrimesstatic void 117490110Simpusage(void) 11751556Srgrimes{ 1176127507Sgad#define SINGLE_OPTS "[-aC" OPT_LAZY_f "HhjlmrSTuvwXxZ]" 11771556Srgrimes 1178127499Sgad (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 1179127507Sgad "usage: ps " SINGLE_OPTS " [-G gid[,gid]] [-O|o fmt]", 1180127499Sgad " [-p pid[,pid]] [-t tty[,tty]] [-U user[,user]]", 1181127499Sgad " [-M core] [-N system]", 118226465Scharnier " ps [-L]"); 11831556Srgrimes exit(1); 11841556Srgrimes} 1185