ps.c revision 127598
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 * 3. All advertising materials mentioning features or use of this software 141556Srgrimes * must display the following acknowledgement: 151556Srgrimes * This product includes software developed by the University of 161556Srgrimes * California, Berkeley and its contributors. 171556Srgrimes * 4. Neither the name of the University nor the names of its contributors 181556Srgrimes * may be used to endorse or promote products derived from this software 191556Srgrimes * without specific prior written permission. 201556Srgrimes * 211556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311556Srgrimes * SUCH DAMAGE. 32127499Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 33127499Sgad * Copyright (c) 2004 - Garance Alistair Drosehn <gad@FreeBSD.org>. 34127499Sgad * All rights reserved. 35127499Sgad * 36127499Sgad * Significant modifications made to bring `ps' options somewhat closer 37127499Sgad * to the standard for `ps' as described in SingleUnixSpec-v3. 38127499Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 391556Srgrimes */ 401556Srgrimes 411556Srgrimes#ifndef lint 4290143Smarkmstatic const char copyright[] = 431556Srgrimes"@(#) Copyright (c) 1990, 1993, 1994\n\ 441556Srgrimes The Regents of the University of California. All rights reserved.\n"; 451556Srgrimes#endif /* not lint */ 461556Srgrimes 4790143Smarkm#if 0 481556Srgrimes#ifndef lint 4936049Scharnierstatic char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94"; 5090143Smarkm#endif /* not lint */ 5136049Scharnier#endif 52110391Scharnier 5399110Sobrien#include <sys/cdefs.h> 5499110Sobrien__FBSDID("$FreeBSD: head/bin/ps/ps.c 127598 2004-03-30 02:02:40Z gad $"); 551556Srgrimes 561556Srgrimes#include <sys/param.h> 57127546Sgad#include <sys/proc.h> 583296Sdg#include <sys/user.h> 591556Srgrimes#include <sys/stat.h> 601556Srgrimes#include <sys/ioctl.h> 611556Srgrimes#include <sys/sysctl.h> 621556Srgrimes 631556Srgrimes#include <ctype.h> 641556Srgrimes#include <err.h> 65127149Sgad#include <errno.h> 661556Srgrimes#include <fcntl.h> 67127499Sgad#include <grp.h> 681556Srgrimes#include <kvm.h> 6913514Smpp#include <limits.h> 7073367Sache#include <locale.h> 711556Srgrimes#include <paths.h> 7290143Smarkm#include <pwd.h> 73127499Sgad#include <stdint.h> 741556Srgrimes#include <stdio.h> 751556Srgrimes#include <stdlib.h> 761556Srgrimes#include <string.h> 771556Srgrimes#include <unistd.h> 781556Srgrimes 791556Srgrimes#include "ps.h" 801556Srgrimes 81127499Sgad#define W_SEP " \t" /* "Whitespace" list separators */ 82127499Sgad#define T_SEP "," /* "Terminate-element" list separators */ 8366377Sbrian 84127537Sgad#ifdef LAZY_PS 85127555Sgad#define DEF_UREAD 0 86127537Sgad#define OPT_LAZY_f "f" 87127537Sgad#else 88127555Sgad#define DEF_UREAD 1 /* Always do the more-expensive read. */ 89127537Sgad#define OPT_LAZY_f /* I.e., the `-f' option is not added. */ 90127537Sgad#endif 91127537Sgad 92127537Sgadint cflag; /* -c */ 93127537Sgadint eval; /* Exit value */ 94127537Sgadtime_t now; /* Current time(3) value */ 95127537Sgadint rawcpu; /* -C */ 96127537Sgadint sumrusage; /* -S */ 97127537Sgadint termwidth; /* Width of the screen (0 == infinity). */ 98127537Sgadint totwidth; /* Calculated-width of requested variables. */ 99127537Sgad 10090143Smarkmstruct varent *vhead; 1011556Srgrimes 102127537Sgadstatic int forceuread = DEF_UREAD; /* Do extra work to get u-area. */ 103127537Sgadstatic kvm_t *kd; 104127537Sgadstatic KINFO *kinfo; 105127537Sgadstatic int needcomm; /* -o "command" */ 106127537Sgadstatic int needenv; /* -e */ 107127537Sgadstatic int needuser; /* -o "user" */ 108127537Sgadstatic int optfatal; /* Fatal error parsing some list-option. */ 1091556Srgrimes 110127537Sgadstatic enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT; 11197966Sjmallett 112127499Sgadstruct listinfo; 113127537Sgadtypedef int addelem_rtn(struct listinfo *_inf, const char *_elem); 114127499Sgad 115127499Sgadstruct listinfo { 116127499Sgad int count; 117127499Sgad int maxcount; 118127499Sgad int elemsize; 119127499Sgad addelem_rtn *addelem; 120127499Sgad const char *lname; 121127499Sgad union { 122127499Sgad gid_t *gids; 123127499Sgad pid_t *pids; 124127499Sgad dev_t *ttys; 125127499Sgad uid_t *uids; 126127499Sgad void *ptr; 127127499Sgad }; 128127499Sgad}; 129127499Sgad 130127499Sgadstatic int addelem_gid(struct listinfo *, const char *); 131127499Sgadstatic int addelem_pid(struct listinfo *, const char *); 132127499Sgadstatic int addelem_tty(struct listinfo *, const char *); 133127499Sgadstatic int addelem_uid(struct listinfo *, const char *); 134127499Sgadstatic void add_list(struct listinfo *, const char *); 135127536Sgadstatic void dynsizevars(KINFO *); 136127499Sgadstatic void *expand_list(struct listinfo *); 137127598Sgadstatic const char * 138127598Sgad fmt(char **(*)(kvm_t *, const struct kinfo_proc *, int), 139127536Sgad KINFO *, char *, int); 140127499Sgadstatic void free_list(struct listinfo *); 141127499Sgadstatic void init_list(struct listinfo *, addelem_rtn, int, const char *); 142127536Sgadstatic char *kludge_oldps_options(char *); 143127536Sgadstatic int pscomp(const void *, const void *); 144127536Sgadstatic void saveuser(KINFO *); 145127536Sgadstatic void scanvars(void); 146127536Sgadstatic void sizevars(void); 147127536Sgadstatic void usage(void); 148127499Sgad 14997875Sjmallettstatic char dfmt[] = "pid,tt,state,time,command"; 15097875Sjmallettstatic char jfmt[] = "user,pid,ppid,pgid,jobc,state,tt,time,command"; 151127538Sgadstatic char lfmt[] = "uid,pid,ppid,cpu,pri,nice,vsz,rss,mwchan,state," 152127538Sgad "tt,time,command"; 15390143Smarkmstatic char o1[] = "pid"; 15497875Sjmallettstatic char o2[] = "tt,state,time,command"; 15597875Sjmallettstatic char ufmt[] = "user,pid,%cpu,%mem,vsz,rss,tt,state,start,time,command"; 156127538Sgadstatic char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz," 157127538Sgad "%cpu,%mem,command"; 158105831Srwatsonstatic char Zfmt[] = "label"; 1591556Srgrimes 160127507Sgad#define PS_ARGS "AaCc" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ" 16198494Ssobomax 1621556Srgrimesint 16390110Simpmain(int argc, char *argv[]) 1641556Srgrimes{ 165127499Sgad struct listinfo gidlist, pgrplist, pidlist; 166127499Sgad struct listinfo ruidlist, sesslist, ttylist, uidlist; 1671556Srgrimes struct kinfo_proc *kp; 1681556Srgrimes struct varent *vent; 1691556Srgrimes struct winsize ws; 170127539Sgad const char *cp, *nlistf, *memf; 171127539Sgad char *cols; 172127499Sgad int all, ch, dropgid, elem, flag, _fmt, i, lineno; 173127499Sgad int nentries, nocludge, nkept, nselectors; 174127499Sgad int prtheader, showthreads, wflag, what, xkeep, xkeep_implied; 17590143Smarkm char errbuf[_POSIX2_LINE_MAX]; 1761556Srgrimes 17711809Sache (void) setlocale(LC_ALL, ""); 178127542Sgad time(&now); /* Used by routines in print.c. */ 17911809Sache 18097804Stjr if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0') 18197804Stjr termwidth = atoi(cols); 18297804Stjr else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1831556Srgrimes ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1841556Srgrimes ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 1851556Srgrimes ws.ws_col == 0) 1861556Srgrimes termwidth = 79; 1871556Srgrimes else 1881556Srgrimes termwidth = ws.ws_col - 1; 1891556Srgrimes 19098494Ssobomax /* 19198494Ssobomax * Don't apply a kludge if the first argument is an option taking an 19298494Ssobomax * argument 19398494Ssobomax */ 19498494Ssobomax if (argc > 1) { 19598494Ssobomax nocludge = 0; 19698494Ssobomax if (argv[1][0] == '-') { 19798494Ssobomax for (cp = PS_ARGS; *cp != '\0'; cp++) { 19898494Ssobomax if (*cp != ':') 19998494Ssobomax continue; 20098494Ssobomax if (*(cp - 1) == argv[1][1]) { 20198494Ssobomax nocludge = 1; 20298494Ssobomax break; 20398494Ssobomax } 20498494Ssobomax } 20598494Ssobomax } 20698494Ssobomax if (nocludge == 0) 20798494Ssobomax argv[1] = kludge_oldps_options(argv[1]); 20898494Ssobomax } 2091556Srgrimes 210127542Sgad all = dropgid = _fmt = nselectors = optfatal = 0; 211127542Sgad prtheader = showthreads = wflag = xkeep_implied = 0; 212127542Sgad xkeep = -1; /* Neither -x nor -X. */ 213127499Sgad init_list(&gidlist, addelem_gid, sizeof(gid_t), "group"); 214127499Sgad init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group"); 215127499Sgad init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id"); 216127499Sgad init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser"); 217127499Sgad init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id"); 218127499Sgad init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty"); 219127499Sgad init_list(&uidlist, addelem_uid, sizeof(uid_t), "user"); 22089909Sru memf = nlistf = _PATH_DEVNULL; 22198494Ssobomax while ((ch = getopt(argc, argv, PS_ARGS)) != -1) 2221556Srgrimes switch((char)ch) { 223127499Sgad case 'A': 224127499Sgad /* 225127499Sgad * Exactly the same as `-ax'. This has been 226127499Sgad * added for compatability with SUSv3, but for 227127499Sgad * now it will not be described in the man page. 228127499Sgad */ 229127499Sgad nselectors++; 230127499Sgad all = xkeep = 1; 231127499Sgad break; 2321556Srgrimes case 'a': 233127499Sgad nselectors++; 2341556Srgrimes all = 1; 2351556Srgrimes break; 23619068Speter case 'C': 23719068Speter rawcpu = 1; 23819068Speter break; 23919068Speter case 'c': 24019068Speter cflag = 1; 24119068Speter break; 2421556Srgrimes case 'e': /* XXX set ufmt */ 2431556Srgrimes needenv = 1; 2441556Srgrimes break; 245127506Sgad#ifdef LAZY_PS 246127506Sgad case 'f': 247127506Sgad if (getuid() == 0 || getgid() == 0) 248127542Sgad forceuread = 1; 249127506Sgad break; 250127506Sgad#endif 251127499Sgad case 'G': 252127499Sgad add_list(&gidlist, optarg); 253127499Sgad xkeep_implied = 1; 254127499Sgad nselectors++; 255127499Sgad break; 256127542Sgad case 'g': 257127499Sgad#if 0 258127597Sgad /*- 259127542Sgad * XXX - This SUSv3 behavior is still under debate 260127542Sgad * since it conflicts with the (undocumented) 261127542Sgad * `-g' option. So we skip it for now. 262127542Sgad */ 263127499Sgad add_list(&pgrplist, optarg); 264127499Sgad xkeep_implied = 1; 265127499Sgad nselectors++; 266127499Sgad break; 267127499Sgad#else 268127542Sgad /* The historical BSD-ish (from SunOS) behavior. */ 2691556Srgrimes break; /* no-op */ 270127499Sgad#endif 271116265Sscottl case 'H': 272126127Sdeischen showthreads = KERN_PROC_INC_THREAD; 273116265Sscottl break; 2741556Srgrimes case 'h': 2751556Srgrimes prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 2761556Srgrimes break; 2771556Srgrimes case 'j': 278109502Sjmallett parsefmt(jfmt, 0); 27990143Smarkm _fmt = 1; 2801556Srgrimes jfmt[0] = '\0'; 2811556Srgrimes break; 2821556Srgrimes case 'L': 2831556Srgrimes showkey(); 2841556Srgrimes exit(0); 2851556Srgrimes case 'l': 286109502Sjmallett parsefmt(lfmt, 0); 28790143Smarkm _fmt = 1; 2881556Srgrimes lfmt[0] = '\0'; 2891556Srgrimes break; 2901556Srgrimes case 'M': 2911556Srgrimes memf = optarg; 29237317Sphk dropgid = 1; 2931556Srgrimes break; 2941556Srgrimes case 'm': 2951556Srgrimes sortby = SORTMEM; 2961556Srgrimes break; 2971556Srgrimes case 'N': 2981556Srgrimes nlistf = optarg; 29937317Sphk dropgid = 1; 3001556Srgrimes break; 3011556Srgrimes case 'O': 302109502Sjmallett parsefmt(o1, 1); 303109502Sjmallett parsefmt(optarg, 1); 304109502Sjmallett parsefmt(o2, 1); 3051556Srgrimes o1[0] = o2[0] = '\0'; 30690143Smarkm _fmt = 1; 3071556Srgrimes break; 3081556Srgrimes case 'o': 309109502Sjmallett parsefmt(optarg, 1); 31090143Smarkm _fmt = 1; 3111556Srgrimes break; 3121556Srgrimes case 'p': 313127499Sgad add_list(&pidlist, optarg); 314127499Sgad /* 315127499Sgad * Note: `-p' does not *set* xkeep, but any values 316127499Sgad * from pidlist are checked before xkeep is. That 317127499Sgad * way they are always matched, even if the user 318127499Sgad * specifies `-X'. 319127499Sgad */ 320127499Sgad nselectors++; 3211556Srgrimes break; 322127499Sgad#if 0 323127499Sgad case 'R': 324127597Sgad /*- 325127542Sgad * XXX - This un-standard option is still under 326127542Sgad * debate. This is what SUSv3 defines as 327127542Sgad * the `-U' option, and while it would be 328127542Sgad * nice to have, it could cause even more 329127542Sgad * confusion to implement it as `-R'. 330127542Sgad */ 331127499Sgad add_list(&ruidlist, optarg); 332127499Sgad xkeep_implied = 1; 333127499Sgad nselectors++; 334127499Sgad break; 335127499Sgad#endif 3361556Srgrimes case 'r': 3371556Srgrimes sortby = SORTCPU; 3381556Srgrimes break; 3391556Srgrimes case 'S': 3401556Srgrimes sumrusage = 1; 3411556Srgrimes break; 342127499Sgad#if 0 343127499Sgad case 's': 344127597Sgad /*- 345127542Sgad * XXX - This non-standard option is still under 346127542Sgad * debate. This *is* supported on Solaris, 347127542Sgad * Linux, and IRIX, but conflicts with `-s' 348127542Sgad * on NetBSD and maybe some older BSD's. 349127542Sgad */ 350127499Sgad add_list(&sesslist, optarg); 351127499Sgad xkeep_implied = 1; 352127499Sgad nselectors++; 353127499Sgad break; 354127499Sgad#endif 3551556Srgrimes case 'T': 3561556Srgrimes if ((optarg = ttyname(STDIN_FILENO)) == NULL) 3571556Srgrimes errx(1, "stdin: not a terminal"); 3581556Srgrimes /* FALLTHROUGH */ 359127499Sgad case 't': 360127499Sgad add_list(&ttylist, optarg); 361127499Sgad xkeep_implied = 1; 362127499Sgad nselectors++; 3631556Srgrimes break; 36413020Speter case 'U': 365127499Sgad /* This is what SUSv3 defines as the `-u' option. */ 366127499Sgad add_list(&uidlist, optarg); 367127499Sgad xkeep_implied = 1; 368127499Sgad nselectors++; 36913020Speter break; 3701556Srgrimes case 'u': 371109502Sjmallett parsefmt(ufmt, 0); 3721556Srgrimes sortby = SORTCPU; 37390143Smarkm _fmt = 1; 3741556Srgrimes ufmt[0] = '\0'; 3751556Srgrimes break; 3761556Srgrimes case 'v': 377109502Sjmallett parsefmt(vfmt, 0); 3781556Srgrimes sortby = SORTMEM; 37990143Smarkm _fmt = 1; 3801556Srgrimes vfmt[0] = '\0'; 3811556Srgrimes break; 3821556Srgrimes case 'w': 3831556Srgrimes if (wflag) 3841556Srgrimes termwidth = UNLIMITED; 3851556Srgrimes else if (termwidth < 131) 3861556Srgrimes termwidth = 131; 3871556Srgrimes wflag++; 3881556Srgrimes break; 389127499Sgad case 'X': 390127499Sgad /* 391127499Sgad * Note that `-X' and `-x' are not standard "selector" 392127499Sgad * options. For most selector-options, we check *all* 393127499Sgad * processes to see if any are matched by the given 394127499Sgad * value(s). After we have a set of all the matched 395127499Sgad * processes, then `-X' and `-x' govern whether we 396127499Sgad * modify that *matched* set for processes which do 397127499Sgad * not have a controlling terminal. `-X' causes 398127499Sgad * those processes to be deleted from the matched 399127499Sgad * set, while `-x' causes them to be kept. 400127499Sgad */ 401127499Sgad xkeep = 0; 402127499Sgad break; 4031556Srgrimes case 'x': 404127499Sgad xkeep = 1; 4051556Srgrimes break; 40686922Sgreen case 'Z': 407109502Sjmallett parsefmt(Zfmt, 0); 40886922Sgreen Zfmt[0] = '\0'; 40986922Sgreen break; 4101556Srgrimes case '?': 4111556Srgrimes default: 4121556Srgrimes usage(); 4131556Srgrimes } 4141556Srgrimes argc -= optind; 4151556Srgrimes argv += optind; 416127499Sgad if (optfatal) 417127542Sgad exit(1); /* Error messages already printed. */ 418127542Sgad if (xkeep < 0) /* Neither -X nor -x was specified. */ 419127499Sgad xkeep = xkeep_implied; 420127499Sgad 4211556Srgrimes#define BACKWARD_COMPATIBILITY 4221556Srgrimes#ifdef BACKWARD_COMPATIBILITY 4231556Srgrimes if (*argv) { 4241556Srgrimes nlistf = *argv; 425127542Sgad if (*++argv) 4261556Srgrimes memf = *argv; 4271556Srgrimes } 4281556Srgrimes#endif 4291556Srgrimes /* 4301556Srgrimes * Discard setgid privileges if not the running kernel so that bad 4311556Srgrimes * guys can't print interesting stuff from kernel memory. 4321556Srgrimes */ 43337317Sphk if (dropgid) { 4341556Srgrimes setgid(getgid()); 43537317Sphk setuid(getuid()); 43637317Sphk } 4371556Srgrimes 43889909Sru kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 4391556Srgrimes if (kd == 0) 4401556Srgrimes errx(1, "%s", errbuf); 4411556Srgrimes 44290143Smarkm if (!_fmt) 443109502Sjmallett parsefmt(dfmt, 0); 4441556Srgrimes 445127499Sgad if (nselectors == 0) { 446127499Sgad uidlist.ptr = malloc(sizeof(uid_t)); 447127499Sgad if (uidlist.ptr == NULL) 44897877Sjmallett errx(1, "malloc failed"); 449127499Sgad nselectors = 1; 450127499Sgad uidlist.count = uidlist.maxcount = 1; 451127499Sgad *uidlist.uids = getuid(); 45266377Sbrian } 4531556Srgrimes 4541556Srgrimes /* 4551556Srgrimes * scan requested variables, noting what structures are needed, 45653170Skris * and adjusting header widths as appropriate. 4571556Srgrimes */ 4581556Srgrimes scanvars(); 459127499Sgad 4601556Srgrimes /* 461127499Sgad * Get process list. If the user requested just one selector- 462127499Sgad * option, then kvm_getprocs can be asked to return just those 463127499Sgad * processes. Otherwise, have it return all processes, and 464127499Sgad * then this routine will search that full list and select the 465127499Sgad * processes which match any of the user's selector-options. 4661556Srgrimes */ 467127499Sgad what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC; 468127499Sgad flag = 0; 469127499Sgad if (nselectors == 1) { 470127499Sgad /* XXX - Apparently there's no KERN_PROC_GID flag. */ 471127499Sgad if (pgrplist.count == 1) { 472127499Sgad what = KERN_PROC_PGRP | showthreads; 473127499Sgad flag = *pgrplist.pids; 474127499Sgad nselectors = 0; 475127499Sgad } else if (pidlist.count == 1) { 476127499Sgad what = KERN_PROC_PID | showthreads; 477127499Sgad flag = *pidlist.pids; 478127499Sgad nselectors = 0; 479127499Sgad } else if (ruidlist.count == 1) { 480127499Sgad what = KERN_PROC_RUID | showthreads; 481127499Sgad flag = *ruidlist.uids; 482127499Sgad nselectors = 0; 483127542Sgad#if 0 484127597Sgad /*- 485127542Sgad * XXX - KERN_PROC_SESSION causes error in kvm_getprocs? 486127542Sgad * For now, always do sid-matching in this routine. 487127542Sgad */ 488127499Sgad } else if (sesslist.count == 1) { 489127499Sgad what = KERN_PROC_SESSION | showthreads; 490127499Sgad flag = *sesslist.pids; 491127499Sgad nselectors = 0; 492127499Sgad#endif 493127499Sgad } else if (ttylist.count == 1) { 494127499Sgad what = KERN_PROC_TTY | showthreads; 495127499Sgad flag = *ttylist.ttys; 496127499Sgad nselectors = 0; 497127499Sgad } else if (uidlist.count == 1) { 498127499Sgad what = KERN_PROC_UID | showthreads; 499127499Sgad flag = *uidlist.uids; 500127499Sgad nselectors = 0; 501127499Sgad } else if (all) { 502127499Sgad /* No need for this routine to select processes. */ 503127499Sgad nselectors = 0; 504127499Sgad } 5051556Srgrimes } 506126127Sdeischen 5071556Srgrimes /* 5081556Srgrimes * select procs 5091556Srgrimes */ 510127499Sgad nentries = -1; 511127149Sgad kp = kvm_getprocs(kd, what, flag, &nentries); 512127544Sgad if ((kp == NULL && nentries > 0) || (kp != NULL && nentries < 0)) 5131556Srgrimes errx(1, "%s", kvm_geterr(kd)); 514127499Sgad nkept = 0; 515127149Sgad if (nentries > 0) { 516127149Sgad if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 517127149Sgad errx(1, "malloc failed"); 518127149Sgad for (i = nentries; --i >= 0; ++kp) { 519127499Sgad /* 520127499Sgad * If the user specified multiple selection-criteria, 521127499Sgad * then keep any process matched by the inclusive OR 522127499Sgad * of all the selection-criteria given. 523127499Sgad */ 524127499Sgad if (pidlist.count > 0) { 525127499Sgad for (elem = 0; elem < pidlist.count; elem++) 526127499Sgad if (kp->ki_pid == pidlist.pids[elem]) 527127499Sgad goto keepit; 528127499Sgad } 529127499Sgad /* 530127499Sgad * Note that we had to process pidlist before 531127499Sgad * filtering out processes which do not have 532127499Sgad * a controlling terminal. 533127499Sgad */ 534127499Sgad if (xkeep == 0) { 535127499Sgad if ((kp->ki_tdev == NODEV || 536127499Sgad (kp->ki_flag & P_CONTROLT) == 0)) 537127499Sgad continue; 538127499Sgad } 539127499Sgad if (nselectors == 0) 540127499Sgad goto keepit; 541127499Sgad if (gidlist.count > 0) { 542127499Sgad for (elem = 0; elem < gidlist.count; elem++) 543127499Sgad if (kp->ki_rgid == gidlist.gids[elem]) 544127499Sgad goto keepit; 545127499Sgad } 546127499Sgad if (pgrplist.count > 0) { 547127499Sgad for (elem = 0; elem < pgrplist.count; elem++) 548127499Sgad if (kp->ki_pgid == pgrplist.pids[elem]) 549127499Sgad goto keepit; 550127499Sgad } 551127499Sgad if (ruidlist.count > 0) { 552127499Sgad for (elem = 0; elem < ruidlist.count; elem++) 553127499Sgad if (kp->ki_ruid == ruidlist.uids[elem]) 554127499Sgad goto keepit; 555127499Sgad } 556127499Sgad if (sesslist.count > 0) { 557127499Sgad for (elem = 0; elem < sesslist.count; elem++) 558127499Sgad if (kp->ki_sid == sesslist.pids[elem]) 559127499Sgad goto keepit; 560127499Sgad } 561127499Sgad if (ttylist.count > 0) { 562127499Sgad for (elem = 0; elem < ttylist.count; elem++) 563127499Sgad if (kp->ki_tdev == ttylist.ttys[elem]) 564127499Sgad goto keepit; 565127499Sgad } 566127499Sgad if (uidlist.count > 0) { 567127499Sgad for (elem = 0; elem < uidlist.count; elem++) 568127499Sgad if (kp->ki_uid == uidlist.uids[elem]) 569127499Sgad goto keepit; 570127499Sgad } 571127499Sgad /* 572127499Sgad * This process did not match any of the user's 573127499Sgad * selector-options, so skip the process. 574127499Sgad */ 575127499Sgad continue; 576127499Sgad 577127499Sgad keepit: 578127499Sgad kinfo[nkept].ki_p = kp; 579127149Sgad if (needuser) 580127499Sgad saveuser(&kinfo[nkept]); 581127499Sgad dynsizevars(&kinfo[nkept]); 582127499Sgad nkept++; 583127149Sgad } 5841556Srgrimes } 58525271Sjkh 58625271Sjkh sizevars(); 58725271Sjkh 5881556Srgrimes /* 5891556Srgrimes * print header 5901556Srgrimes */ 5911556Srgrimes printheader(); 592127499Sgad if (nkept == 0) 59362803Swill exit(1); 594127499Sgad 5951556Srgrimes /* 5961556Srgrimes * sort proc list 5971556Srgrimes */ 598127499Sgad qsort(kinfo, nkept, sizeof(KINFO), pscomp); 5991556Srgrimes /* 600127499Sgad * For each process, call each variable output function. 6011556Srgrimes */ 602127499Sgad for (i = lineno = 0; i < nkept; i++) { 6031556Srgrimes for (vent = vhead; vent; vent = vent->next) { 6041556Srgrimes (vent->var->oproc)(&kinfo[i], vent); 6051556Srgrimes if (vent->next != NULL) 6061556Srgrimes (void)putchar(' '); 6071556Srgrimes } 6081556Srgrimes (void)putchar('\n'); 6091556Srgrimes if (prtheader && lineno++ == prtheader - 4) { 6101556Srgrimes (void)putchar('\n'); 6111556Srgrimes printheader(); 6121556Srgrimes lineno = 0; 6131556Srgrimes } 6141556Srgrimes } 615127499Sgad free_list(&gidlist); 616127499Sgad free_list(&pidlist); 617127499Sgad free_list(&pgrplist); 618127499Sgad free_list(&ruidlist); 619127499Sgad free_list(&sesslist); 620127499Sgad free_list(&ttylist); 621127499Sgad free_list(&uidlist); 62266377Sbrian 6231556Srgrimes exit(eval); 6241556Srgrimes} 6251556Srgrimes 626127499Sgadstatic int 627127499Sgadaddelem_gid(struct listinfo *inf, const char *elem) 628127499Sgad{ 629127499Sgad struct group *grp; 630127499Sgad const char *nameorID; 631127499Sgad char *endp; 632127539Sgad intmax_t ltemp; 633127499Sgad 634127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 635127499Sgad if (*elem == '\0') 636127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 637127499Sgad else 638127499Sgad warnx("%s name too long: %s", inf->lname, elem); 639127499Sgad optfatal = 1; 640127542Sgad return (0); /* Do not add this value. */ 641127499Sgad } 642127499Sgad 643127499Sgad /* 644127499Sgad * SUSv3 states that `ps -G grouplist' should match "real-group 645127499Sgad * ID numbers", and does not mention group-names. I do want to 646127499Sgad * also support group-names, so this tries for a group-id first, 647127499Sgad * and only tries for a name if that doesn't work. This is the 648127499Sgad * opposite order of what is done in addelem_uid(), but in 649127499Sgad * practice the order would only matter for group-names which 650127499Sgad * are all-numeric. 651127499Sgad */ 652127499Sgad grp = NULL; 653127499Sgad nameorID = "named"; 654127499Sgad errno = 0; 655127499Sgad ltemp = strtol(elem, &endp, 10); 656127499Sgad if (errno == 0 && *endp == '\0' && ltemp >= 0 && ltemp <= GID_MAX) { 657127499Sgad nameorID = "name or ID matches"; 658127499Sgad grp = getgrgid((gid_t)ltemp); 659127499Sgad } 660127499Sgad if (grp == NULL) 661127499Sgad grp = getgrnam(elem); 662127499Sgad if (grp == NULL) { 663127499Sgad warnx("No %s %s '%s'", inf->lname, nameorID, elem); 664127499Sgad optfatal = 1; 665127542Sgad return (0); /* Do not add this value. */ 666127499Sgad } 667127499Sgad 668127499Sgad if (inf->count >= inf->maxcount) 669127499Sgad expand_list(inf); 670127499Sgad inf->gids[(inf->count)++] = grp->gr_gid; 671127499Sgad return (1); 672127499Sgad} 673127499Sgad 674127597Sgad#define BSD_PID_MAX 99999 /* Copy of PID_MAX from sys/proc.h. */ 675127499Sgadstatic int 676127499Sgadaddelem_pid(struct listinfo *inf, const char *elem) 677127149Sgad{ 678127539Sgad char *endp; 679127149Sgad long tempid; 680127149Sgad 681127499Sgad if (*elem == '\0') 682127499Sgad tempid = 0L; 683127499Sgad else { 684127499Sgad errno = 0; 685127499Sgad tempid = strtol(elem, &endp, 10); 686127499Sgad if (*endp != '\0' || tempid < 0 || elem == endp) { 687127499Sgad warnx("Invalid %s: %s", inf->lname, elem); 688127499Sgad errno = ERANGE; 689127499Sgad } else if (errno != 0 || tempid > BSD_PID_MAX) { 690127499Sgad warnx("%s too large: %s", inf->lname, elem); 691127499Sgad errno = ERANGE; 692127149Sgad } 693127499Sgad if (errno == ERANGE) { 694127499Sgad optfatal = 1; 695127542Sgad return (0); /* Do not add this value. */ 696127149Sgad } 697127149Sgad } 698127149Sgad 699127499Sgad if (inf->count >= inf->maxcount) 700127499Sgad expand_list(inf); 701127499Sgad inf->pids[(inf->count)++] = tempid; 702127499Sgad return (1); 703127499Sgad} 704127499Sgad#undef BSD_PID_MAX 705127149Sgad 706127499Sgadstatic int 707127499Sgadaddelem_tty(struct listinfo *inf, const char *elem) 708127499Sgad{ 709127539Sgad const char *ttypath; 710127539Sgad struct stat sb; 711127499Sgad char pathbuf[PATH_MAX]; 712127499Sgad 713127499Sgad if (strcmp(elem, "co") == 0) 714127499Sgad ttypath = strdup(_PATH_CONSOLE); 715127499Sgad else if (*elem == '/') 716127499Sgad ttypath = elem; 717127499Sgad else { 718127499Sgad strlcpy(pathbuf, _PATH_TTY, sizeof(pathbuf)); 719127499Sgad strlcat(pathbuf, elem, sizeof(pathbuf)); 720127499Sgad ttypath = pathbuf; 721127499Sgad } 722127499Sgad 723127499Sgad if (stat(ttypath, &sb) == -1) { 724127499Sgad warn("%s", ttypath); 725127499Sgad optfatal = 1; 726127542Sgad return (0); /* Do not add this value. */ 727127499Sgad } 728127499Sgad if (!S_ISCHR(sb.st_mode)) { 729127499Sgad warn("%s: Not a terminal", ttypath); 730127499Sgad optfatal = 1; 731127542Sgad return (0); /* Do not add this value. */ 732127499Sgad } 733127499Sgad 734127499Sgad if (inf->count >= inf->maxcount) 735127499Sgad expand_list(inf); 736127499Sgad inf->ttys[(inf->count)++] = sb.st_rdev; 737127499Sgad return (1); 738127149Sgad} 739127149Sgad 740127499Sgadstatic int 741127499Sgadaddelem_uid(struct listinfo *inf, const char *elem) 74266377Sbrian{ 74366377Sbrian struct passwd *pwd; 744127539Sgad char *endp; 745127499Sgad intmax_t ltemp; 74666377Sbrian 747127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 748127499Sgad if (*elem == '\0') 749127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 750127499Sgad else 751127499Sgad warnx("%s name too long: %s", inf->lname, elem); 752127499Sgad optfatal = 1; 753127542Sgad return (0); /* Do not add this value. */ 754127499Sgad } 75566377Sbrian 756127499Sgad pwd = getpwnam(elem); 757127499Sgad if (pwd == NULL) { 758127499Sgad errno = 0; 759127499Sgad ltemp = strtol(elem, &endp, 10); 760127499Sgad if (errno != 0 || *endp != '\0' || ltemp < 0 || 761127499Sgad ltemp > UID_MAX) 762127499Sgad warnx("No %s named '%s'", inf->lname, elem); 763127499Sgad else { 764127499Sgad /* The string is all digits, so it might be a userID. */ 765127499Sgad pwd = getpwuid((uid_t)ltemp); 766127499Sgad if (pwd == NULL) 767127499Sgad warnx("No %s name or ID matches '%s'", 768127499Sgad inf->lname, elem); 76966377Sbrian } 770127499Sgad } 771127499Sgad if (pwd == NULL) { 772127509Sgad /* 773127509Sgad * These used to be treated as minor warnings (and the 774127509Sgad * option was simply ignored), but now they are fatal 775127509Sgad * errors (and the command will be aborted). 776127509Sgad */ 777127509Sgad optfatal = 1; 778127542Sgad return (0); /* Do not add this value. */ 779127499Sgad } 780127499Sgad 781127499Sgad if (inf->count >= inf->maxcount) 782127499Sgad expand_list(inf); 783127499Sgad inf->uids[(inf->count)++] = pwd->pw_uid; 784127499Sgad return (1); 785127499Sgad} 786127499Sgad 787127499Sgadstatic void 788127499Sgadadd_list(struct listinfo *inf, const char *argp) 789127499Sgad{ 790127499Sgad const char *savep; 791127499Sgad char *cp, *endp; 792127499Sgad int toolong; 793127539Sgad char elemcopy[PATH_MAX]; 794127499Sgad 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; 875127499Sgad newlist = realloc(inf->ptr, newmax * inf->elemsize); 876127499Sgad if (newlist == NULL) { 877127499Sgad free(inf->ptr); 878127499Sgad errx(1, "realloc to %d %ss failed", newmax, 879127499Sgad inf->lname); 880127499Sgad } 881127499Sgad inf->maxcount = newmax; 882127499Sgad inf->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; 892127499Sgad if (inf->ptr != NULL) 893127499Sgad free(inf->ptr); 894127499Sgad inf->addelem = NULL; 895127499Sgad inf->lname = NULL; 896127499Sgad inf->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; 908127499Sgad inf->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 * 108590110Simpkludge_oldps_options(char *s) 10861556Srgrimes{ 1087102886Sjmallett int have_fmt; 10881556Srgrimes size_t len; 10891556Srgrimes char *newopts, *ns, *cp; 10901556Srgrimes 1091102886Sjmallett /* 1092102886Sjmallett * If we have an 'o' option, then note it, since we don't want to do 1093102886Sjmallett * some types of munging. 1094102886Sjmallett */ 1095102886Sjmallett have_fmt = index(s, 'o') != NULL; 1096102886Sjmallett 10971556Srgrimes len = strlen(s); 10981556Srgrimes if ((newopts = ns = malloc(len + 2)) == NULL) 109997877Sjmallett errx(1, "malloc failed"); 11001556Srgrimes /* 11011556Srgrimes * options begin with '-' 11021556Srgrimes */ 11031556Srgrimes if (*s != '-') 11041556Srgrimes *ns++ = '-'; /* add option flag */ 11051556Srgrimes /* 11061556Srgrimes * gaze to end of argv[1] 11071556Srgrimes */ 11081556Srgrimes cp = s + len - 1; 11091556Srgrimes /* 11101556Srgrimes * if last letter is a 't' flag with no argument (in the context 11111556Srgrimes * of the oldps options -- option string NOT starting with a '-' -- 11121556Srgrimes * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 111381743Sbrian * 111481743Sbrian * However, if a flag accepting a string argument is found in the 111581743Sbrian * option string, the remainder of the string is the argument to 111681743Sbrian * that flag; do not modify that argument. 11171556Srgrimes */ 111889909Sru if (strcspn(s, "MNOoU") == len && *cp == 't' && *s != '-') 11191556Srgrimes *cp = 'T'; 11201556Srgrimes else { 11211556Srgrimes /* 11221556Srgrimes * otherwise check for trailing number, which *may* be a 11231556Srgrimes * pid. 11241556Srgrimes */ 11251556Srgrimes while (cp >= s && isdigit(*cp)) 11261556Srgrimes --cp; 11271556Srgrimes } 11281556Srgrimes cp++; 11291556Srgrimes memmove(ns, s, (size_t)(cp - s)); /* copy up to trailing number */ 11301556Srgrimes ns += cp - s; 11311556Srgrimes /* 11321556Srgrimes * if there's a trailing number, and not a preceding 'p' (pid) or 11331556Srgrimes * 't' (tty) flag, then assume it's a pid and insert a 'p' flag. 11341556Srgrimes */ 11358855Srgrimes if (isdigit(*cp) && 11367165Sjoerg (cp == s || (cp[-1] != 't' && cp[-1] != 'p')) && 1137102886Sjmallett (cp - 1 == s || cp[-2] != 't') && !have_fmt) 11381556Srgrimes *ns++ = 'p'; 11391556Srgrimes (void)strcpy(ns, cp); /* and append the number */ 11401556Srgrimes 11411556Srgrimes return (newopts); 11421556Srgrimes} 11431556Srgrimes 11441556Srgrimesstatic void 114590110Simpusage(void) 11461556Srgrimes{ 1147127507Sgad#define SINGLE_OPTS "[-aC" OPT_LAZY_f "HhjlmrSTuvwXxZ]" 11481556Srgrimes 1149127499Sgad (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 1150127507Sgad "usage: ps " SINGLE_OPTS " [-G gid[,gid]] [-O|o fmt]", 1151127499Sgad " [-p pid[,pid]] [-t tty[,tty]] [-U user[,user]]", 1152127499Sgad " [-M core] [-N system]", 115326465Scharnier " ps [-L]"); 11541556Srgrimes exit(1); 11551556Srgrimes} 1156