1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)keyword.c 8.5 (Berkeley) 4/2/94 34 * $FreeBSD: src/bin/ps/keyword.c,v 1.24.2.3 2002/10/10 20:05:32 jmallett Exp $ 35 * $DragonFly: src/bin/ps/keyword.c,v 1.9 2003/11/21 22:46:10 dillon Exp $ 36 */ 37 38 #include <sys/param.h> 39 #include <sys/time.h> 40 #include <sys/resource.h> 41 #include <sys/sysctl.h> 42 #include <sys/ucred.h> 43 #include <sys/user.h> 44 45 #include <err.h> 46 #include <errno.h> 47 #include <stddef.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <utmp.h> 52 53 #include "ps.h" 54 55 static VAR *findvar (char *); 56 static int vcmp (const void *, const void *); 57 58 #ifdef NOTINUSE 59 int utime(), stime(), ixrss(), idrss(), isrss(); 60 {{"utime"}, "UTIME", USER, utime, NULL, 4}, 61 {{"stime"}, "STIME", USER, stime, NULL, 4}, 62 {{"ixrss"}, "IXRSS", USER, ixrss, NULL, 4}, 63 {{"idrss"}, "IDRSS", USER, idrss, NULL, 4}, 64 {{"isrss"}, "ISRSS", USER, isrss, NULL, 4}, 65 #endif 66 67 /* Compute offset in common structures. */ 68 #define POFF(x) offsetof(struct proc, x) 69 #define TOFF(x) offsetof(struct thread, x) 70 #define EOFF(x) offsetof(struct eproc, x) 71 #define UOFF(x) offsetof(struct usave, x) 72 #define ROFF(x) offsetof(struct rusage, x) 73 74 #define UIDFMT "u" 75 #define UIDLEN 5 76 #define PIDFMT "d" 77 #define PIDLEN 5 78 #define USERLEN UT_NAMESIZE 79 80 VAR var[] = { 81 {"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4}, 82 {"%mem", "%MEM", NULL, 0, pmem, NULL, 4}, 83 {"acflag", "ACFLG", 84 NULL, 0, pvar, NULL, 3, POFF(p_acflag), USHORT, "x"}, 85 {"acflg", "", "acflag"}, 86 {"blocked", "", "sigmask"}, 87 {"caught", "", "sigcatch"}, 88 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16}, 89 {"cpu", "CPU", NULL, 0, pvar, NULL, 3, POFF(p_estcpu), UINT, "d"}, 90 {"lastcpu", "C", NULL, 0, pvar, NULL, 3, EOFF(e_cpuid), UINT, "d"}, 91 {"cputime", "", "time"}, 92 {"f", "F", NULL, 0, pvar, NULL, 7, POFF(p_flag), INT, "x"}, 93 {"flags", "", "f"}, 94 {"ignored", "", "sigignore"}, 95 {"inblk", "INBLK", 96 NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG, "ld"}, 97 {"inblock", "", "inblk"}, 98 {"jobc", "JOBC", NULL, 0, evar, NULL, 4, EOFF(e_jobc), SHORT, "d"}, 99 {"ktrace", "KTRACE", 100 NULL, 0, pvar, NULL, 8, POFF(p_traceflag), INT, "x"}, 101 {"ktracep", "KTRACEP", 102 NULL, 0, pvar, NULL, 8, POFF(p_tracep), LONG, "lx"}, 103 {"lim", "LIM", NULL, 0, maxrss, NULL, 5}, 104 {"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1}, 105 {"logname", "", "login"}, 106 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28}, 107 {"majflt", "MAJFLT", 108 NULL, USER, rvar, NULL, 4, ROFF(ru_majflt), LONG, "ld"}, 109 {"minflt", "MINFLT", 110 NULL, USER, rvar, NULL, 4, ROFF(ru_minflt), LONG, "ld"}, 111 {"msgrcv", "MSGRCV", 112 NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv), LONG, "ld"}, 113 {"msgsnd", "MSGSND", 114 NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd), LONG, "ld"}, 115 {"ni", "", "nice"}, 116 {"nice", "NI", NULL, 0, pnice, NULL, 3 }, 117 {"nivcsw", "NIVCSW", 118 NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw), LONG, "ld"}, 119 {"nsignals", "", "nsigs"}, 120 {"nsigs", "NSIGS", 121 NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals), LONG, "ld"}, 122 {"nswap", "NSWAP", 123 NULL, USER, rvar, NULL, 4, ROFF(ru_nswap), LONG, "ld"}, 124 {"nvcsw", "NVCSW", 125 NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw), LONG, "ld"}, 126 {"nwchan", "WCHAN", NULL, 0, tvar, NULL, 8, TOFF(td_wchan), KPTR, "lx"}, 127 {"oublk", "OUBLK", 128 NULL, USER, rvar, NULL, 4, ROFF(ru_oublock), LONG, "ld"}, 129 {"oublock", "", "oublk"}, 130 {"p_ru", "P_RU", NULL, 0, pvar, NULL, 6, POFF(p_ru), KPTR, "lx"}, 131 {"paddr", "PADDR", NULL, 0, evar, NULL, 8, EOFF(e_paddr), KPTR, "lx"}, 132 {"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6}, 133 {"pcpu", "", "%cpu"}, 134 {"pending", "", "sig"}, 135 {"pgid", "PGID", 136 NULL, 0, evar, NULL, PIDLEN, EOFF(e_pgid), UINT, PIDFMT}, 137 {"pid", "PID", NULL, 0, pvar, NULL, PIDLEN, POFF(p_pid), UINT, PIDFMT}, 138 {"pmem", "", "%mem"}, 139 {"ppid", "PPID", 140 NULL, 0, evar, NULL, PIDLEN, EOFF(e_ppid), UINT, PIDFMT}, 141 {"pri", "PRI", NULL, 0, pri, NULL, 3}, 142 {"re", "RE", NULL, 0, pvar, NULL, 3, POFF(p_swtime), UINT, "d"}, 143 {"rgid", "RGID", NULL, 0, evar, NULL, UIDLEN, EOFF(e_ucred.cr_rgid), 144 UINT, UIDFMT}, 145 {"rlink", "RLINK", 146 NULL, 0, pvar, NULL, 8, POFF(p_procq.tqe_prev), KPTR, "lx"}, 147 {"rss", "RSS", NULL, 0, p_rssize, NULL, 4}, 148 {"rssize", "", "rsz"}, 149 {"rsz", "RSZ", NULL, 0, rssize, NULL, 4}, 150 {"rtprio", "RTPRIO", NULL, 0, rtprior, NULL, 7, POFF(p_rtprio)}, 151 {"ruid", "RUID", NULL, 0, evar, NULL, UIDLEN, EOFF(e_ucred.cr_ruid), 152 UINT, UIDFMT}, 153 {"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN}, 154 {"sess", "SESS", NULL, 0, evar, NULL, 6, EOFF(e_sess), KPTR, "lx"}, 155 {"sig", "PENDING", NULL, 0, pvar, NULL, 8, POFF(p_siglist), INT, "x"}, 156 {"sigcatch", "CAUGHT", 157 NULL, 0, evar, NULL, 8, EOFF(e_procsig.ps_sigcatch), UINT, "x"}, 158 {"sigignore", "IGNORED", 159 NULL, 0, evar, NULL, 8, EOFF(e_procsig.ps_sigignore), UINT, "x"}, 160 {"sigmask", "BLOCKED", 161 NULL, 0, pvar, NULL, 8, POFF(p_sigmask), UINT, "x"}, 162 {"sl", "SL", NULL, 0, pvar, NULL, 3, POFF(p_slptime), UINT, "d"}, 163 {"start", "STARTED", NULL, LJUST|USER, started, NULL, 7}, 164 {"stat", "", "state"}, 165 {"state", "STAT", NULL, 0, state, NULL, 4}, 166 {"svgid", "SVGID", NULL, 0, 167 evar, NULL, UIDLEN, EOFF(e_ucred.cr_svgid), UINT, UIDFMT}, 168 {"svuid", "SVUID", NULL, 0, 169 evar, NULL, UIDLEN, EOFF(e_ucred.cr_svuid), UINT, UIDFMT}, 170 {"tdev", "TDEV", NULL, 0, tdev, NULL, 4}, 171 {"time", "TIME", NULL, USER, cputime, NULL, 9}, 172 {"tpgid", "TPGID", 173 NULL, 0, evar, NULL, 4, EOFF(e_tpgid), UINT, PIDFMT}, 174 {"tsess", "TSESS", NULL, 0, evar, NULL, 6, EOFF(e_tsess), KPTR, "lx"}, 175 {"tsiz", "TSIZ", NULL, 0, tsize, NULL, 4}, 176 {"tt", "TT ", NULL, 0, tname, NULL, 4}, 177 {"tty", "TTY", NULL, LJUST, longtname, NULL, 8}, 178 {"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN}, 179 {"uid", "UID", NULL, 0, evar, NULL, UIDLEN, EOFF(e_ucred.cr_uid), 180 UINT, UIDFMT}, 181 {"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN}, 182 {"vsize", "", "vsz"}, 183 {"vsz", "VSZ", NULL, 0, vsize, NULL, 5}, 184 {"wchan", "WCHAN", NULL, LJUST, wchan, NULL, 6}, 185 {"xstat", "XSTAT", NULL, 0, pvar, NULL, 4, POFF(p_xstat), USHORT, "x"}, 186 {""}, 187 }; 188 189 void 190 showkey(void) 191 { 192 VAR *v; 193 int i; 194 char *p, *sep; 195 196 i = 0; 197 sep = ""; 198 for (v = var; *(p = v->name); ++v) { 199 int len = strlen(p); 200 if (termwidth && (i += len + 1) > termwidth) { 201 i = len; 202 sep = "\n"; 203 } 204 (void) printf("%s%s", sep, p); 205 sep = " "; 206 } 207 (void) printf("\n"); 208 } 209 210 void 211 parsefmt(char *p) 212 { 213 static struct varent *vtail; 214 215 #define FMTSEP " \t,\n" 216 while (p && *p) { 217 char *cp; 218 VAR *v; 219 struct varent *vent; 220 221 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0') 222 /* void */; 223 if (cp == NULL || !(v = findvar(cp))) 224 continue; 225 if ((vent = malloc(sizeof(struct varent))) == NULL) 226 err(1, NULL); 227 vent->var = v; 228 vent->next = NULL; 229 if (vhead == NULL) 230 vhead = vtail = vent; 231 else { 232 vtail->next = vent; 233 vtail = vent; 234 } 235 } 236 if (!vhead) { 237 warnx("no valid keywords; valid keywords:"); 238 showkey(); 239 exit(1); 240 } 241 } 242 243 static VAR * 244 findvar(char *p) 245 { 246 VAR *v, key; 247 char *hp; 248 int vcmp(); 249 250 hp = strchr(p, '='); 251 if (hp) 252 *hp++ = '\0'; 253 254 key.name = p; 255 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); 256 257 if (v && v->alias) { 258 if (hp) { 259 warnx("%s: illegal keyword specification", p); 260 eval = 1; 261 } 262 parsefmt(v->alias); 263 return ((VAR *)NULL); 264 } 265 if (!v) { 266 warnx("%s: keyword not found", p); 267 eval = 1; 268 } else if (hp) 269 v->header = hp; 270 return (v); 271 } 272 273 static int 274 vcmp(const void *a, const void *b) 275 { 276 return (strcmp(((VAR *)a)->name, ((VAR *)b)->name)); 277 } 278