ps.c revision 130999
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 130999 2004-06-23 23:48:09Z 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/* 88129971Sgad * isdigit takes an `int', but expects values in the range of unsigned char. 89129971Sgad * This wrapper ensures that values from a 'char' end up in the correct range. 90129914Sgad */ 91129971Sgad#define isdigitch(Anychar) isdigit((u_char)(Anychar)) 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 101130999Sgadstruct velisthead varlist = STAILQ_HEAD_INITIALIZER(varlist); 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 *); 143129952Sgadstatic char *kludge_oldps_options(const char *, 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; 169130816Sgad KINFO *next_KINFO; 1701556Srgrimes struct varent *vent; 1711556Srgrimes struct winsize ws; 172129914Sgad const char *nlistf, *memf; 173127539Sgad char *cols; 174127499Sgad int all, ch, dropgid, elem, flag, _fmt, i, lineno; 175129914Sgad int nentries, nkept, nselectors; 176127499Sgad int prtheader, showthreads, wflag, what, xkeep, xkeep_implied; 17790143Smarkm char errbuf[_POSIX2_LINE_MAX]; 1781556Srgrimes 17911809Sache (void) setlocale(LC_ALL, ""); 180127542Sgad time(&now); /* Used by routines in print.c. */ 18111809Sache 18297804Stjr if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0') 18397804Stjr termwidth = atoi(cols); 18497804Stjr else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1851556Srgrimes ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1861556Srgrimes ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 1871556Srgrimes ws.ws_col == 0) 1881556Srgrimes termwidth = 79; 1891556Srgrimes else 1901556Srgrimes termwidth = ws.ws_col - 1; 1911556Srgrimes 19298494Ssobomax /* 193129914Sgad * Hide a number of option-processing kludges in a separate routine, 194129914Sgad * to support some historical BSD behaviors, such as `ps axu'. 19598494Ssobomax */ 196129914Sgad if (argc > 1) 197129915Sgad argv[1] = kludge_oldps_options(PS_ARGS, argv[1], argv[2]); 1981556Srgrimes 199127542Sgad all = dropgid = _fmt = nselectors = optfatal = 0; 200127542Sgad prtheader = showthreads = wflag = xkeep_implied = 0; 201127542Sgad xkeep = -1; /* Neither -x nor -X. */ 202127499Sgad init_list(&gidlist, addelem_gid, sizeof(gid_t), "group"); 203127499Sgad init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group"); 204127499Sgad init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id"); 205127499Sgad init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser"); 206127499Sgad init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id"); 207127499Sgad init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty"); 208127499Sgad init_list(&uidlist, addelem_uid, sizeof(uid_t), "user"); 20989909Sru memf = nlistf = _PATH_DEVNULL; 21098494Ssobomax while ((ch = getopt(argc, argv, PS_ARGS)) != -1) 211129967Sgad switch ((char)ch) { 212127499Sgad case 'A': 213127499Sgad /* 214127499Sgad * Exactly the same as `-ax'. This has been 215127499Sgad * added for compatability with SUSv3, but for 216127499Sgad * now it will not be described in the man page. 217127499Sgad */ 218127499Sgad nselectors++; 219127499Sgad all = xkeep = 1; 220127499Sgad break; 2211556Srgrimes case 'a': 222127499Sgad nselectors++; 2231556Srgrimes all = 1; 2241556Srgrimes break; 22519068Speter case 'C': 22619068Speter rawcpu = 1; 22719068Speter break; 22819068Speter case 'c': 22919068Speter cflag = 1; 23019068Speter break; 2311556Srgrimes case 'e': /* XXX set ufmt */ 2321556Srgrimes needenv = 1; 2331556Srgrimes break; 234127506Sgad#ifdef LAZY_PS 235127506Sgad case 'f': 236127506Sgad if (getuid() == 0 || getgid() == 0) 237127542Sgad forceuread = 1; 238127506Sgad break; 239127506Sgad#endif 240127499Sgad case 'G': 241127499Sgad add_list(&gidlist, optarg); 242127499Sgad xkeep_implied = 1; 243127499Sgad nselectors++; 244127499Sgad break; 245127542Sgad case 'g': 246127499Sgad#if 0 247127597Sgad /*- 248127542Sgad * XXX - This SUSv3 behavior is still under debate 249127542Sgad * since it conflicts with the (undocumented) 250127542Sgad * `-g' option. So we skip it for now. 251127542Sgad */ 252127499Sgad add_list(&pgrplist, optarg); 253127499Sgad xkeep_implied = 1; 254127499Sgad nselectors++; 255127499Sgad break; 256127499Sgad#else 257127542Sgad /* The historical BSD-ish (from SunOS) behavior. */ 2581556Srgrimes break; /* no-op */ 259127499Sgad#endif 260116265Sscottl case 'H': 261126127Sdeischen showthreads = KERN_PROC_INC_THREAD; 262116265Sscottl break; 2631556Srgrimes case 'h': 2641556Srgrimes prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 2651556Srgrimes break; 2661556Srgrimes case 'j': 267109502Sjmallett parsefmt(jfmt, 0); 26890143Smarkm _fmt = 1; 2691556Srgrimes jfmt[0] = '\0'; 2701556Srgrimes break; 2711556Srgrimes case 'L': 2721556Srgrimes showkey(); 2731556Srgrimes exit(0); 2741556Srgrimes case 'l': 275109502Sjmallett parsefmt(lfmt, 0); 27690143Smarkm _fmt = 1; 2771556Srgrimes lfmt[0] = '\0'; 2781556Srgrimes break; 2791556Srgrimes case 'M': 2801556Srgrimes memf = optarg; 28137317Sphk dropgid = 1; 2821556Srgrimes break; 2831556Srgrimes case 'm': 2841556Srgrimes sortby = SORTMEM; 2851556Srgrimes break; 2861556Srgrimes case 'N': 2871556Srgrimes nlistf = optarg; 28837317Sphk dropgid = 1; 2891556Srgrimes break; 2901556Srgrimes case 'O': 291109502Sjmallett parsefmt(o1, 1); 292109502Sjmallett parsefmt(optarg, 1); 293109502Sjmallett parsefmt(o2, 1); 2941556Srgrimes o1[0] = o2[0] = '\0'; 29590143Smarkm _fmt = 1; 2961556Srgrimes break; 2971556Srgrimes case 'o': 298109502Sjmallett parsefmt(optarg, 1); 29990143Smarkm _fmt = 1; 3001556Srgrimes break; 3011556Srgrimes case 'p': 302127499Sgad add_list(&pidlist, optarg); 303127499Sgad /* 304127499Sgad * Note: `-p' does not *set* xkeep, but any values 305127499Sgad * from pidlist are checked before xkeep is. That 306127499Sgad * way they are always matched, even if the user 307127499Sgad * specifies `-X'. 308127499Sgad */ 309127499Sgad nselectors++; 3101556Srgrimes break; 311127499Sgad#if 0 312127499Sgad case 'R': 313127597Sgad /*- 314127542Sgad * XXX - This un-standard option is still under 315127542Sgad * debate. This is what SUSv3 defines as 316127542Sgad * the `-U' option, and while it would be 317127542Sgad * nice to have, it could cause even more 318127542Sgad * confusion to implement it as `-R'. 319127542Sgad */ 320127499Sgad add_list(&ruidlist, optarg); 321127499Sgad xkeep_implied = 1; 322127499Sgad nselectors++; 323127499Sgad break; 324127499Sgad#endif 3251556Srgrimes case 'r': 3261556Srgrimes sortby = SORTCPU; 3271556Srgrimes break; 3281556Srgrimes case 'S': 3291556Srgrimes sumrusage = 1; 3301556Srgrimes break; 331127499Sgad#if 0 332127499Sgad case 's': 333127597Sgad /*- 334127542Sgad * XXX - This non-standard option is still under 335127542Sgad * debate. This *is* supported on Solaris, 336127542Sgad * Linux, and IRIX, but conflicts with `-s' 337127542Sgad * on NetBSD and maybe some older BSD's. 338127542Sgad */ 339127499Sgad add_list(&sesslist, optarg); 340127499Sgad xkeep_implied = 1; 341127499Sgad nselectors++; 342127499Sgad break; 343127499Sgad#endif 3441556Srgrimes case 'T': 3451556Srgrimes if ((optarg = ttyname(STDIN_FILENO)) == NULL) 3461556Srgrimes errx(1, "stdin: not a terminal"); 3471556Srgrimes /* FALLTHROUGH */ 348127499Sgad case 't': 349127499Sgad add_list(&ttylist, optarg); 350127499Sgad xkeep_implied = 1; 351127499Sgad nselectors++; 3521556Srgrimes break; 35313020Speter case 'U': 354127499Sgad /* This is what SUSv3 defines as the `-u' option. */ 355127499Sgad add_list(&uidlist, optarg); 356127499Sgad xkeep_implied = 1; 357127499Sgad nselectors++; 35813020Speter break; 3591556Srgrimes case 'u': 360109502Sjmallett parsefmt(ufmt, 0); 3611556Srgrimes sortby = SORTCPU; 36290143Smarkm _fmt = 1; 3631556Srgrimes ufmt[0] = '\0'; 3641556Srgrimes break; 3651556Srgrimes case 'v': 366109502Sjmallett parsefmt(vfmt, 0); 3671556Srgrimes sortby = SORTMEM; 36890143Smarkm _fmt = 1; 3691556Srgrimes vfmt[0] = '\0'; 3701556Srgrimes break; 3711556Srgrimes case 'w': 3721556Srgrimes if (wflag) 3731556Srgrimes termwidth = UNLIMITED; 3741556Srgrimes else if (termwidth < 131) 3751556Srgrimes termwidth = 131; 3761556Srgrimes wflag++; 3771556Srgrimes break; 378127499Sgad case 'X': 379127499Sgad /* 380127499Sgad * Note that `-X' and `-x' are not standard "selector" 381127499Sgad * options. For most selector-options, we check *all* 382127499Sgad * processes to see if any are matched by the given 383127499Sgad * value(s). After we have a set of all the matched 384127499Sgad * processes, then `-X' and `-x' govern whether we 385127499Sgad * modify that *matched* set for processes which do 386127499Sgad * not have a controlling terminal. `-X' causes 387127499Sgad * those processes to be deleted from the matched 388127499Sgad * set, while `-x' causes them to be kept. 389127499Sgad */ 390127499Sgad xkeep = 0; 391127499Sgad break; 3921556Srgrimes case 'x': 393127499Sgad xkeep = 1; 3941556Srgrimes break; 39586922Sgreen case 'Z': 396109502Sjmallett parsefmt(Zfmt, 0); 39786922Sgreen Zfmt[0] = '\0'; 39886922Sgreen break; 3991556Srgrimes case '?': 4001556Srgrimes default: 4011556Srgrimes usage(); 4021556Srgrimes } 4031556Srgrimes argc -= optind; 4041556Srgrimes argv += optind; 405129914Sgad 406129914Sgad /* 407129914Sgad * If there arguments after processing all the options, attempt 408129914Sgad * to treat them as a list of process ids. 409129914Sgad */ 410129914Sgad while (*argv) { 411129914Sgad if (!isdigitch(**argv)) 412129914Sgad break; 413129914Sgad add_list(&pidlist, *argv); 414129914Sgad argv++; 415129914Sgad } 416129914Sgad if (*argv) { 417129914Sgad fprintf(stderr, "%s: illegal argument: %s\n", 418129914Sgad getprogname(), *argv); 419129914Sgad usage(); 420129914Sgad } 421127499Sgad if (optfatal) 422127542Sgad exit(1); /* Error messages already printed. */ 423127542Sgad if (xkeep < 0) /* Neither -X nor -x was specified. */ 424127499Sgad xkeep = xkeep_implied; 425127499Sgad 426129914Sgad 4271556Srgrimes /* 4281556Srgrimes * Discard setgid privileges if not the running kernel so that bad 4291556Srgrimes * guys can't print interesting stuff from kernel memory. 4301556Srgrimes */ 431129967Sgad if (dropgid) 4321556Srgrimes setgid(getgid()); 4331556Srgrimes 43489909Sru kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 4351556Srgrimes if (kd == 0) 4361556Srgrimes errx(1, "%s", errbuf); 4371556Srgrimes 43890143Smarkm if (!_fmt) 439109502Sjmallett parsefmt(dfmt, 0); 4401556Srgrimes 441127499Sgad if (nselectors == 0) { 442127823Sgad uidlist.l.ptr = malloc(sizeof(uid_t)); 443127823Sgad if (uidlist.l.ptr == NULL) 44497877Sjmallett errx(1, "malloc failed"); 445127499Sgad nselectors = 1; 446127499Sgad uidlist.count = uidlist.maxcount = 1; 447127823Sgad *uidlist.l.uids = getuid(); 44866377Sbrian } 4491556Srgrimes 4501556Srgrimes /* 4511556Srgrimes * scan requested variables, noting what structures are needed, 45253170Skris * and adjusting header widths as appropriate. 4531556Srgrimes */ 4541556Srgrimes scanvars(); 455127499Sgad 4561556Srgrimes /* 457127499Sgad * Get process list. If the user requested just one selector- 458127499Sgad * option, then kvm_getprocs can be asked to return just those 459127499Sgad * processes. Otherwise, have it return all processes, and 460127499Sgad * then this routine will search that full list and select the 461127499Sgad * processes which match any of the user's selector-options. 4621556Srgrimes */ 463127499Sgad what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC; 464127499Sgad flag = 0; 465127499Sgad if (nselectors == 1) { 466129600Sgad if (gidlist.count == 1) { 467129600Sgad what = KERN_PROC_RGID | showthreads; 468129600Sgad flag = *gidlist.l.gids; 469129600Sgad nselectors = 0; 470129600Sgad } else if (pgrplist.count == 1) { 471127499Sgad what = KERN_PROC_PGRP | showthreads; 472127823Sgad flag = *pgrplist.l.pids; 473127499Sgad nselectors = 0; 474127499Sgad } else if (pidlist.count == 1) { 475127499Sgad what = KERN_PROC_PID | showthreads; 476127823Sgad flag = *pidlist.l.pids; 477127499Sgad nselectors = 0; 478127499Sgad } else if (ruidlist.count == 1) { 479127499Sgad what = KERN_PROC_RUID | showthreads; 480127823Sgad flag = *ruidlist.l.uids; 481127499Sgad nselectors = 0; 482127499Sgad } else if (sesslist.count == 1) { 483127499Sgad what = KERN_PROC_SESSION | showthreads; 484127823Sgad flag = *sesslist.l.pids; 485127499Sgad nselectors = 0; 486127499Sgad } else if (ttylist.count == 1) { 487127499Sgad what = KERN_PROC_TTY | showthreads; 488127823Sgad flag = *ttylist.l.ttys; 489127499Sgad nselectors = 0; 490127499Sgad } else if (uidlist.count == 1) { 491127499Sgad what = KERN_PROC_UID | showthreads; 492127823Sgad flag = *uidlist.l.uids; 493127499Sgad nselectors = 0; 494127499Sgad } else if (all) { 495127499Sgad /* No need for this routine to select processes. */ 496127499Sgad nselectors = 0; 497127499Sgad } 4981556Srgrimes } 499126127Sdeischen 5001556Srgrimes /* 5011556Srgrimes * select procs 5021556Srgrimes */ 503127499Sgad nentries = -1; 504127149Sgad kp = kvm_getprocs(kd, what, flag, &nentries); 505127544Sgad if ((kp == NULL && nentries > 0) || (kp != NULL && nentries < 0)) 5061556Srgrimes errx(1, "%s", kvm_geterr(kd)); 507127499Sgad nkept = 0; 508127149Sgad if (nentries > 0) { 509127149Sgad if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 510127149Sgad errx(1, "malloc failed"); 511127149Sgad for (i = nentries; --i >= 0; ++kp) { 512127499Sgad /* 513127499Sgad * If the user specified multiple selection-criteria, 514127499Sgad * then keep any process matched by the inclusive OR 515127499Sgad * of all the selection-criteria given. 516127499Sgad */ 517127499Sgad if (pidlist.count > 0) { 518127499Sgad for (elem = 0; elem < pidlist.count; elem++) 519127823Sgad if (kp->ki_pid == pidlist.l.pids[elem]) 520127499Sgad goto keepit; 521127499Sgad } 522127499Sgad /* 523127499Sgad * Note that we had to process pidlist before 524127499Sgad * filtering out processes which do not have 525127499Sgad * a controlling terminal. 526127499Sgad */ 527127499Sgad if (xkeep == 0) { 528127499Sgad if ((kp->ki_tdev == NODEV || 529127499Sgad (kp->ki_flag & P_CONTROLT) == 0)) 530127499Sgad continue; 531127499Sgad } 532127499Sgad if (nselectors == 0) 533127499Sgad goto keepit; 534127499Sgad if (gidlist.count > 0) { 535127499Sgad for (elem = 0; elem < gidlist.count; elem++) 536127823Sgad if (kp->ki_rgid == gidlist.l.gids[elem]) 537127499Sgad goto keepit; 538127499Sgad } 539127499Sgad if (pgrplist.count > 0) { 540127499Sgad for (elem = 0; elem < pgrplist.count; elem++) 541127823Sgad if (kp->ki_pgid == 542127823Sgad pgrplist.l.pids[elem]) 543127499Sgad goto keepit; 544127499Sgad } 545127499Sgad if (ruidlist.count > 0) { 546127499Sgad for (elem = 0; elem < ruidlist.count; elem++) 547127823Sgad if (kp->ki_ruid == 548127823Sgad ruidlist.l.uids[elem]) 549127499Sgad goto keepit; 550127499Sgad } 551127499Sgad if (sesslist.count > 0) { 552127499Sgad for (elem = 0; elem < sesslist.count; elem++) 553127823Sgad if (kp->ki_sid == sesslist.l.pids[elem]) 554127499Sgad goto keepit; 555127499Sgad } 556127499Sgad if (ttylist.count > 0) { 557127499Sgad for (elem = 0; elem < ttylist.count; elem++) 558127823Sgad if (kp->ki_tdev == ttylist.l.ttys[elem]) 559127499Sgad goto keepit; 560127499Sgad } 561127499Sgad if (uidlist.count > 0) { 562127499Sgad for (elem = 0; elem < uidlist.count; elem++) 563127823Sgad if (kp->ki_uid == uidlist.l.uids[elem]) 564127499Sgad goto keepit; 565127499Sgad } 566127499Sgad /* 567127499Sgad * This process did not match any of the user's 568127499Sgad * selector-options, so skip the process. 569127499Sgad */ 570127499Sgad continue; 571127499Sgad 572127499Sgad keepit: 573130816Sgad next_KINFO = &kinfo[nkept]; 574130816Sgad next_KINFO->ki_p = kp; 575130816Sgad next_KINFO->ki_pcpu = getpcpu(next_KINFO); 576130816Sgad if (sortby == SORTMEM) 577130816Sgad next_KINFO->ki_memsize = kp->ki_tsize + 578130816Sgad kp->ki_dsize + kp->ki_ssize; 579127149Sgad if (needuser) 580130816Sgad saveuser(next_KINFO); 581130816Sgad dynsizevars(next_KINFO); 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++) { 603130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 6041556Srgrimes (vent->var->oproc)(&kinfo[i], vent); 605130999Sgad if (STAILQ_NEXT(vent, next_ve) != 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; 632127602Sgad u_long bigtemp; 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; 655127602Sgad bigtemp = strtoul(elem, &endp, 10); 656127602Sgad if (errno == 0 && *endp == '\0' && bigtemp <= GID_MAX) { 657127499Sgad nameorID = "name or ID matches"; 658127602Sgad grp = getgrgid((gid_t)bigtemp); 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; 665129967Sgad return (0); 666127499Sgad } 667127499Sgad if (inf->count >= inf->maxcount) 668127499Sgad expand_list(inf); 669127823Sgad inf->l.gids[(inf->count)++] = grp->gr_gid; 670127499Sgad return (1); 671127499Sgad} 672127499Sgad 673127597Sgad#define BSD_PID_MAX 99999 /* Copy of PID_MAX from sys/proc.h. */ 674127499Sgadstatic int 675127499Sgadaddelem_pid(struct listinfo *inf, const char *elem) 676127149Sgad{ 677127539Sgad char *endp; 678127149Sgad long tempid; 679127149Sgad 680129917Sgad if (*elem == '\0') { 681129917Sgad warnx("Invalid (zero-length) process id"); 682129917Sgad optfatal = 1; 683129917Sgad return (0); /* Do not add this value. */ 684127149Sgad } 685127149Sgad 686129952Sgad errno = 0; 687129952Sgad tempid = strtol(elem, &endp, 10); 688129952Sgad if (*endp != '\0' || tempid < 0 || elem == endp) { 689129952Sgad warnx("Invalid %s: %s", inf->lname, elem); 690129952Sgad errno = ERANGE; 691129952Sgad } else if (errno != 0 || tempid > BSD_PID_MAX) { 692129952Sgad warnx("%s too large: %s", inf->lname, elem); 693129952Sgad errno = ERANGE; 694129952Sgad } 695129952Sgad if (errno == ERANGE) { 696129952Sgad optfatal = 1; 697129967Sgad return (0); 698129952Sgad } 699127499Sgad if (inf->count >= inf->maxcount) 700127499Sgad expand_list(inf); 701127823Sgad inf->l.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; 726129967Sgad return (0); 727127499Sgad } 728127499Sgad if (!S_ISCHR(sb.st_mode)) { 729127499Sgad warn("%s: Not a terminal", ttypath); 730127499Sgad optfatal = 1; 731129967Sgad return (0); 732127499Sgad } 733127499Sgad if (inf->count >= inf->maxcount) 734127499Sgad expand_list(inf); 735127823Sgad inf->l.ttys[(inf->count)++] = sb.st_rdev; 736127499Sgad return (1); 737127149Sgad} 738127149Sgad 739127499Sgadstatic int 740127499Sgadaddelem_uid(struct listinfo *inf, const char *elem) 74166377Sbrian{ 74266377Sbrian struct passwd *pwd; 743127539Sgad char *endp; 744127602Sgad u_long bigtemp; 74566377Sbrian 746127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 747127499Sgad if (*elem == '\0') 748127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 749127499Sgad else 750127499Sgad warnx("%s name too long: %s", inf->lname, elem); 751127499Sgad optfatal = 1; 752127542Sgad return (0); /* Do not add this value. */ 753127499Sgad } 75466377Sbrian 755127499Sgad pwd = getpwnam(elem); 756127499Sgad if (pwd == NULL) { 757127499Sgad errno = 0; 758127602Sgad bigtemp = strtoul(elem, &endp, 10); 759127602Sgad if (errno != 0 || *endp != '\0' || bigtemp > UID_MAX) 760127499Sgad warnx("No %s named '%s'", inf->lname, elem); 761127499Sgad else { 762127499Sgad /* The string is all digits, so it might be a userID. */ 763127602Sgad pwd = getpwuid((uid_t)bigtemp); 764127499Sgad if (pwd == NULL) 765127499Sgad warnx("No %s name or ID matches '%s'", 766127499Sgad inf->lname, elem); 76766377Sbrian } 768127499Sgad } 769127499Sgad if (pwd == NULL) { 770127509Sgad /* 771127509Sgad * These used to be treated as minor warnings (and the 772127509Sgad * option was simply ignored), but now they are fatal 773127509Sgad * errors (and the command will be aborted). 774127509Sgad */ 775127509Sgad optfatal = 1; 776129967Sgad return (0); 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) 793129967Sgad inf->addelem(inf, elemcopy); 794127499Sgad while (*argp != '\0') { 795127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 796127499Sgad argp++; 797127499Sgad savep = argp; 798127499Sgad toolong = 0; 799127499Sgad cp = elemcopy; 800127499Sgad if (strchr(T_SEP, *argp) == NULL) { 801127499Sgad endp = elemcopy + sizeof(elemcopy) - 1; 802127499Sgad while (*argp != '\0' && cp <= endp && 803127499Sgad strchr(W_SEP T_SEP, *argp) == NULL) 804127499Sgad *cp++ = *argp++; 805127499Sgad if (cp > endp) 806127499Sgad toolong = 1; 80766377Sbrian } 808127499Sgad if (!toolong) { 809127499Sgad *cp = '\0'; 810127542Sgad /* 811129953Sgad * Add this single element to the given list. 812127542Sgad */ 813127499Sgad inf->addelem(inf, elemcopy); 814127499Sgad } else { 815127499Sgad /* 816127499Sgad * The string is too long to copy. Find the end 817127499Sgad * of the string to print out the warning message. 818127499Sgad */ 819127499Sgad while (*argp != '\0' && strchr(W_SEP T_SEP, 820127499Sgad *argp) == NULL) 821127499Sgad argp++; 822127499Sgad warnx("Value too long: %.*s", (int)(argp - savep), 823127499Sgad savep); 824127499Sgad optfatal = 1; 82566377Sbrian } 826127499Sgad /* 827127499Sgad * Skip over any number of trailing whitespace characters, 828127499Sgad * but only one (at most) trailing element-terminating 829127499Sgad * character. 830127499Sgad */ 831127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 832127499Sgad argp++; 833127499Sgad if (*argp != '\0' && strchr(T_SEP, *argp) != NULL) { 834127499Sgad argp++; 835127499Sgad /* Catch case where string ended with a comma. */ 836127499Sgad if (*argp == '\0') 837127499Sgad inf->addelem(inf, argp); 838127499Sgad } 83966377Sbrian } 840127499Sgad} 84166377Sbrian 842127499Sgadstatic void * 843127499Sgadexpand_list(struct listinfo *inf) 844127499Sgad{ 845127539Sgad void *newlist; 846127499Sgad int newmax; 84766377Sbrian 848127499Sgad newmax = (inf->maxcount + 1) << 1; 849127823Sgad newlist = realloc(inf->l.ptr, newmax * inf->elemsize); 850127499Sgad if (newlist == NULL) { 851127823Sgad free(inf->l.ptr); 852129967Sgad errx(1, "realloc to %d %ss failed", newmax, inf->lname); 853127499Sgad } 854127499Sgad inf->maxcount = newmax; 855127823Sgad inf->l.ptr = newlist; 856127499Sgad 857127499Sgad return (newlist); 85866377Sbrian} 85966377Sbrian 860127499Sgadstatic void 861127499Sgadfree_list(struct listinfo *inf) 862127499Sgad{ 863127499Sgad 864127499Sgad inf->count = inf->elemsize = inf->maxcount = 0; 865127823Sgad if (inf->l.ptr != NULL) 866127823Sgad free(inf->l.ptr); 867127499Sgad inf->addelem = NULL; 868127499Sgad inf->lname = NULL; 869127823Sgad inf->l.ptr = NULL; 870127499Sgad} 871127499Sgad 872127499Sgadstatic void 873127499Sgadinit_list(struct listinfo *inf, addelem_rtn artn, int elemsize, 874127499Sgad const char *lname) 875127499Sgad{ 876127499Sgad 877127499Sgad inf->count = inf->maxcount = 0; 878127499Sgad inf->elemsize = elemsize; 879127499Sgad inf->addelem = artn; 880127499Sgad inf->lname = lname; 881127823Sgad inf->l.ptr = NULL; 882127499Sgad} 883127499Sgad 884109502SjmallettVARENT * 885109502Sjmallettfind_varentry(VAR *v) 886109502Sjmallett{ 887109502Sjmallett struct varent *vent; 888109502Sjmallett 889130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 890109502Sjmallett if (strcmp(vent->var->name, v->name) == 0) 891109502Sjmallett return vent; 892109502Sjmallett } 893109502Sjmallett return NULL; 894109502Sjmallett} 895109502Sjmallett 8961556Srgrimesstatic void 89790110Simpscanvars(void) 8981556Srgrimes{ 8991556Srgrimes struct varent *vent; 9001556Srgrimes VAR *v; 90125271Sjkh 902130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 90325271Sjkh v = vent->var; 90425271Sjkh if (v->flag & DSIZ) { 90525271Sjkh v->dwidth = v->width; 90625271Sjkh v->width = 0; 90725271Sjkh } 90825271Sjkh if (v->flag & USER) 90925271Sjkh needuser = 1; 91025271Sjkh if (v->flag & COMM) 91125271Sjkh needcomm = 1; 91225271Sjkh } 91325271Sjkh} 91425271Sjkh 91525271Sjkhstatic void 91690110Simpdynsizevars(KINFO *ki) 91725271Sjkh{ 91825271Sjkh struct varent *vent; 91925271Sjkh VAR *v; 9201556Srgrimes int i; 9211556Srgrimes 922130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 9231556Srgrimes v = vent->var; 92425271Sjkh if (!(v->flag & DSIZ)) 92525271Sjkh continue; 92625271Sjkh i = (v->sproc)( ki); 92725271Sjkh if (v->width < i) 92825271Sjkh v->width = i; 92925271Sjkh if (v->width > v->dwidth) 93025271Sjkh v->width = v->dwidth; 93125271Sjkh } 93225271Sjkh} 93325271Sjkh 93425271Sjkhstatic void 93590110Simpsizevars(void) 93625271Sjkh{ 93725271Sjkh struct varent *vent; 93825271Sjkh VAR *v; 93925271Sjkh int i; 94025271Sjkh 941130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 94225271Sjkh v = vent->var; 943109504Sjmallett i = strlen(vent->header); 9441556Srgrimes if (v->width < i) 9451556Srgrimes v->width = i; 9461556Srgrimes totwidth += v->width + 1; /* +1 for space */ 9471556Srgrimes } 9481556Srgrimes totwidth--; 9491556Srgrimes} 9501556Srgrimes 95190143Smarkmstatic const char * 95290110Simpfmt(char **(*fn)(kvm_t *, const struct kinfo_proc *, int), KINFO *ki, 953127542Sgad char *comm, int maxlen) 9541556Srgrimes{ 95590143Smarkm const char *s; 9561556Srgrimes 95790143Smarkm s = fmt_argv((*fn)(kd, ki->ki_p, termwidth), comm, maxlen); 9581556Srgrimes return (s); 9591556Srgrimes} 9601556Srgrimes 96171578Sjhb#define UREADOK(ki) (forceuread || (ki->ki_p->ki_sflag & PS_INMEM)) 96231552Sdyson 9631556Srgrimesstatic void 96490110Simpsaveuser(KINFO *ki) 9651556Srgrimes{ 9661556Srgrimes 96771578Sjhb if (ki->ki_p->ki_sflag & PS_INMEM) { 9681556Srgrimes /* 9691556Srgrimes * The u-area might be swapped out, and we can't get 9701556Srgrimes * at it because we have a crashdump and no swap. 9711556Srgrimes * If it's here fill in these fields, otherwise, just 9721556Srgrimes * leave them 0. 9731556Srgrimes */ 97469896Smckusick ki->ki_valid = 1; 9751556Srgrimes } else 97669896Smckusick ki->ki_valid = 0; 9771556Srgrimes /* 9781556Srgrimes * save arguments if needed 9791556Srgrimes */ 980130991Sgad if (needcomm) { 981130991Sgad if (ki->ki_p->ki_stat == SZOMB) 982130991Sgad ki->ki_args = strdup("<defunct>"); 983130991Sgad else if (UREADOK(ki) || (ki->ki_p->ki_args != NULL)) 984130991Sgad ki->ki_args = strdup(fmt(kvm_getargv, ki, 985130991Sgad ki->ki_p->ki_comm, MAXCOMLEN)); 986130991Sgad else 987130991Sgad asprintf(&ki->ki_args, "(%s)", ki->ki_p->ki_comm); 988130991Sgad if (ki->ki_env == NULL) 989130991Sgad errx(1, "malloc failed"); 99053276Speter } else { 99153276Speter ki->ki_args = NULL; 99253276Speter } 993130991Sgad if (needenv) { 994130991Sgad if (UREADOK(ki)) 995130991Sgad ki->ki_env = strdup(fmt(kvm_getenvv, ki, 996130991Sgad (char *)NULL, 0)); 997130991Sgad else 998130991Sgad ki->ki_env = strdup("()"); 999130991Sgad if (ki->ki_env == NULL) 1000130991Sgad errx(1, "malloc failed"); 100153276Speter } else { 100253276Speter ki->ki_env = NULL; 100353276Speter } 10041556Srgrimes} 10051556Srgrimes 1006130816Sgad/* A macro used to improve the readability of pscomp(). */ 1007130816Sgad#define DIFF_RETURN(a, b, field) do { \ 1008130816Sgad if ((a)->field != (b)->field) \ 1009130816Sgad return (((a)->field < (b)->field) ? -1 : 1); \ 1010130816Sgad} while (0) 1011130816Sgad 10121556Srgrimesstatic int 101390110Simppscomp(const void *a, const void *b) 10141556Srgrimes{ 1015127596Sgad const KINFO *ka, *kb; 10161556Srgrimes 1017127596Sgad ka = a; 1018127596Sgad kb = b; 1019127596Sgad /* SORTCPU and SORTMEM are sorted in descending order. */ 1020130816Sgad if (sortby == SORTCPU) 1021130816Sgad DIFF_RETURN(kb, ka, ki_pcpu); 1022130816Sgad if (sortby == SORTMEM) 1023130816Sgad DIFF_RETURN(kb, ka, ki_memsize); 1024127596Sgad /* 1025127596Sgad * TTY's are sorted in ascending order, except that all NODEV 1026127596Sgad * processes come before all processes with a device. 1027127596Sgad */ 1028130816Sgad if (ka->ki_p->ki_tdev != kb->ki_p->ki_tdev) { 1029130816Sgad if (ka->ki_p->ki_tdev == NODEV) 1030130816Sgad return (-1); 1031130816Sgad if (kb->ki_p->ki_tdev == NODEV) 1032130816Sgad return (1); 1033130816Sgad DIFF_RETURN(ka, kb, ki_p->ki_tdev); 1034130816Sgad } 1035130816Sgad 1036130972Sgad /* PID's and TID's (threads) are sorted in ascending order. */ 1037130816Sgad DIFF_RETURN(ka, kb, ki_p->ki_pid); 1038130972Sgad DIFF_RETURN(ka, kb, ki_p->ki_tid); 1039127596Sgad return (0); 10401556Srgrimes} 1041130816Sgad#undef DIFF_RETURN 10421556Srgrimes 10431556Srgrimes/* 10441556Srgrimes * ICK (all for getopt), would rather hide the ugliness 10451556Srgrimes * here than taint the main code. 10461556Srgrimes * 10471556Srgrimes * ps foo -> ps -foo 10481556Srgrimes * ps 34 -> ps -p34 10491556Srgrimes * 10501556Srgrimes * The old convention that 't' with no trailing tty arg means the users 10511556Srgrimes * tty, is only supported if argv[1] doesn't begin with a '-'. This same 10521556Srgrimes * feature is available with the option 'T', which takes no argument. 10531556Srgrimes */ 10541556Srgrimesstatic char * 1055129915Sgadkludge_oldps_options(const char *optlist, char *origval, const char *nextarg) 10561556Srgrimes{ 10571556Srgrimes size_t len; 1058129914Sgad char *argp, *cp, *newopts, *ns, *optp, *pidp; 10591556Srgrimes 1060102886Sjmallett /* 1061129914Sgad * See if the original value includes any option which takes an 1062129914Sgad * argument (and will thus use up the remainder of the string). 1063102886Sjmallett */ 1064129914Sgad argp = NULL; 1065129914Sgad if (optlist != NULL) { 1066129914Sgad for (cp = origval; *cp != '\0'; cp++) { 1067129914Sgad optp = strchr(optlist, *cp); 1068129914Sgad if ((optp != NULL) && *(optp + 1) == ':') { 1069129914Sgad argp = cp; 1070129914Sgad break; 1071129914Sgad } 1072129914Sgad } 1073129914Sgad } 1074129914Sgad if (argp != NULL && *origval == '-') 1075129914Sgad return (origval); 1076102886Sjmallett 10771556Srgrimes /* 10781556Srgrimes * if last letter is a 't' flag with no argument (in the context 10791556Srgrimes * of the oldps options -- option string NOT starting with a '-' -- 10801556Srgrimes * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 108181743Sbrian * 1082129634Sgad * However, if a flag accepting a string argument is found earlier 1083129634Sgad * in the option string (including a possible `t' flag), then the 1084129634Sgad * remainder of the string must be the argument to that flag; so 1085129914Sgad * do not modify that argument. Note that a trailing `t' would 1086129914Sgad * cause argp to be set, if argp was not already set by some 1087129914Sgad * earlier option. 10881556Srgrimes */ 1089129914Sgad len = strlen(origval); 1090129914Sgad cp = origval + len - 1; 1091129914Sgad pidp = NULL; 1092129915Sgad if (*cp == 't' && *origval != '-' && cp == argp) { 1093129915Sgad if (nextarg == NULL || *nextarg == '-' || isdigitch(*nextarg)) 1094129915Sgad *cp = 'T'; 1095129915Sgad } else if (argp == NULL) { 10961556Srgrimes /* 1097129914Sgad * The original value did not include any option which takes 1098129914Sgad * an argument (and that would include `p' and `t'), so check 1099129914Sgad * the value for trailing number, or comma-separated list of 1100129914Sgad * numbers, which we will treat as a pid request. 11011556Srgrimes */ 1102129914Sgad if (isdigitch(*cp)) { 1103129914Sgad while (cp >= origval && (*cp == ',' || isdigitch(*cp))) 1104129914Sgad --cp; 1105129914Sgad pidp = cp + 1; 1106129914Sgad } 11071556Srgrimes } 1108129914Sgad 11091556Srgrimes /* 1110129914Sgad * If nothing needs to be added to the string, then return 1111129914Sgad * the "original" (although possibly modified) value. 11121556Srgrimes */ 1113129914Sgad if (*origval == '-' && pidp == NULL) 1114129914Sgad return (origval); 1115129914Sgad 1116129914Sgad /* 1117129914Sgad * Create a copy of the string to add '-' and/or 'p' to the 1118129914Sgad * original value. 1119129914Sgad */ 1120129914Sgad if ((newopts = ns = malloc(len + 3)) == NULL) 1121129914Sgad errx(1, "malloc failed"); 1122129914Sgad 1123129914Sgad if (*origval != '-') 1124129914Sgad *ns++ = '-'; /* add option flag */ 1125129914Sgad 1126129914Sgad if (pidp == NULL) 1127129914Sgad strcpy(ns, origval); 1128129914Sgad else { 1129129914Sgad /* 1130129914Sgad * Copy everything before the pid string, add the `p', 1131129914Sgad * and then copy the pid string. 1132129914Sgad */ 1133129914Sgad len = pidp - origval; 1134129914Sgad memcpy(ns, origval, len); 1135129914Sgad ns += len; 11361556Srgrimes *ns++ = 'p'; 1137129914Sgad strcpy(ns, pidp); 1138129914Sgad } 11391556Srgrimes 11401556Srgrimes return (newopts); 11411556Srgrimes} 11421556Srgrimes 11431556Srgrimesstatic void 114490110Simpusage(void) 11451556Srgrimes{ 1146130973Sgad#define SINGLE_OPTS "[-aCc" OPT_LAZY_f "HhjlmrSTuvwXxZ]" 11471556Srgrimes 1148127499Sgad (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 1149127507Sgad "usage: ps " SINGLE_OPTS " [-G gid[,gid]] [-O|o fmt]", 1150127499Sgad " [-p pid[,pid]] [-t tty[,tty]] [-U user[,user]]", 1151127499Sgad " [-M core] [-N system]", 115226465Scharnier " ps [-L]"); 11531556Srgrimes exit(1); 11541556Srgrimes} 1155