keyword.c revision 1.23 1 /* $NetBSD: keyword.c,v 1.23 2000/05/26 03:04:28 simonb Exp $ */
2
3 /*-
4 * Copyright (c) 1990, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94";
40 #else
41 __RCSID("$NetBSD: keyword.c,v 1.23 2000/05/26 03:04:28 simonb Exp $");
42 #endif
43 #endif /* not lint */
44
45 #include <sys/param.h>
46 #include <sys/time.h>
47 #include <sys/proc.h>
48 #include <sys/resource.h>
49 #include <sys/sysctl.h>
50 #include <sys/ucred.h>
51
52 #include <err.h>
53 #include <errno.h>
54 #include <kvm.h>
55 #include <stddef.h>
56 #include <stdio.h>
57 #include <stdlib.h>
58 #include <string.h>
59 #include <signal.h>
60
61 #include "ps.h"
62
63 static VAR *findvar __P((char *));
64 static int vcmp __P((const void *, const void *));
65
66
67 #define SIGWIDTH (((_NSIG / 32) + 1) * 8)
68
69 #ifdef NOTINUSE
70 int utime(), stime(), ixrss(), idrss(), isrss();
71 {{"utime"}, "UTIME", USER, utime, 4},
72 {{"stime"}, "STIME", USER, stime, 4},
73 {{"ixrss"}, "IXRSS", USER, ixrss, 4},
74 {{"idrss"}, "IDRSS", USER, idrss, 4},
75 {{"isrss"}, "ISRSS", USER, isrss, 4},
76 #endif
77
78 /* Compute offset in common structures. */
79 #define POFF(x) offsetof(struct kinfo_proc2, x)
80
81 #define UIDFMT "u"
82 #define UIDLEN 5
83 #define UID(n1, n2, fn, off) \
84 { n1, n2, NULL, 0, fn, UIDLEN, off, UINT32, UIDFMT }
85 #define GID(n1, n2, fn, off) UID(n1, n2, fn, off)
86
87 #define PIDFMT "d"
88 #define PIDLEN 5
89 #define PID(n1, n2, fn, off) \
90 { n1, n2, NULL, 0, fn, PIDLEN, off, INT32, PIDFMT }
91
92 #define USERLEN 8
93
94 VAR var[] = {
95 {"%cpu", "%CPU", NULL, 0, pcpu, 4},
96 {"%mem", "%MEM", NULL, 0, pmem, 4},
97 {"acflag", "ACFLG", NULL, 0, pvar, 3, POFF(p_acflag), USHORT, "x"},
98 {"acflg", "", "acflag"},
99 {"blocked", "", "sigmask"},
100 {"caught", "", "sigcatch"},
101 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
102 {"cpu", "CPU", NULL, 0, pvar, 3, POFF(p_estcpu), UINT, "d"},
103 {"cputime", "", "time"},
104 {"f", "F", NULL, 0, pvar, 7, POFF(p_flag), INT, "x"},
105 {"flags", "", "f"},
106 {"holdcnt", "HOLDCNT", NULL, 0, pvar, 8, POFF(p_holdcnt), INT, "d"},
107 {"ignored", "", "sigignore"},
108 {"inblk", "INBLK", NULL, USER, pvar, 4, POFF(p_uru_inblock), LONG, "d"},
109 {"inblock", "", "inblk"},
110 {"jobc", "JOBC", NULL, 0, evar, 4, POFF(p_jobc), SHORT, "d"},
111 {"ktrace", "KTRACE", NULL, 0, pvar, 8, POFF(p_traceflag), INT, "x"},
112 /* XXX */
113 {"ktracep", "KTRACEP", NULL, 0, pvar, 8, POFF(p_tracep), KPTR, "x"},
114 {"lim", "LIM", NULL, 0, maxrss, 5},
115 {"login", "LOGIN", NULL, LJUST, logname, MAXLOGNAME},
116 {"logname", "", "login"},
117 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
118 {"majflt", "MAJFLT", NULL, USER, pvar, 4, POFF(p_uru_majflt), LONG, "d"},
119 {"minflt", "MINFLT", NULL, USER, pvar, 4, POFF(p_uru_minflt), LONG, "d"},
120 {"msgrcv", "MSGRCV", NULL, USER, pvar, 4, POFF(p_uru_msgrcv), LONG, "d"},
121 {"msgsnd", "MSGSND", NULL, USER, pvar, 4, POFF(p_uru_msgsnd), LONG, "d"},
122 {"ni", "", "nice"},
123 {"nice", "NI", NULL, 0, pnice, 3},
124 {"nivcsw", "NIVCSW", NULL, USER, pvar, 5, POFF(p_uru_nivcsw), LONG, "d"},
125 {"nsignals", "", "nsigs"},
126 {"nsigs", "NSIGS", NULL, USER, pvar, 4, POFF(p_uru_nsignals), LONG, "d"},
127 {"nswap", "NSWAP", NULL, USER, pvar, 4, POFF(p_uru_nswap), LONG, "d"},
128 {"nvcsw", "NVCSW", NULL, USER, pvar, 5, POFF(p_uru_nvcsw), LONG, "d"},
129 /* XXX */
130 {"nwchan", "WCHAN", NULL, 0, pvar, 6, POFF(p_wchan), KPTR, "x"},
131 {"oublk", "OUBLK", NULL, USER, pvar, 4, POFF(p_uru_oublock), LONG, "d"},
132 {"oublock", "", "oublk"},
133 /* XXX */
134 {"p_ru", "P_RU", NULL, 0, pvar, 6, POFF(p_ru), KPTR, "x"},
135 /* XXX */
136 {"paddr", "PADDR", NULL, 0, evar, 6, POFF(p_paddr), KPTR, "x"},
137 {"pagein", "PAGEIN", NULL, USER, pagein, 6},
138 {"pcpu", "", "%cpu"},
139 {"pending", "", "sig"},
140 PID("pgid", "PGID", evar, POFF(p__pgid)),
141 PID("pid", "PID", pvar, POFF(p_pid)),
142 {"pmem", "", "%mem"},
143 PID("ppid", "PPID", evar, POFF(p_ppid)),
144 {"pri", "PRI", NULL, 0, pri, 3},
145 {"re", "RE", NULL, INF127, pvar, 3, POFF(p_swtime), UINT, "d"},
146 GID("rgid", "RGID", evar, POFF(p_rgid)),
147 /* XXX */
148 {"rlink", "RLINK", NULL, 0, pvar, 8, POFF(p_back), KPTR, "x"},
149 {"rss", "RSS", NULL, 0, p_rssize, 4},
150 {"rssize", "", "rsz"},
151 {"rsz", "RSZ", NULL, 0, rssize, 4},
152 UID("ruid", "RUID", evar, POFF(p_ruid)),
153 {"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
154 {"sess", "SESS", NULL, 0, evar, 6, POFF(p_sess), KPTR24, "x"},
155 PID("sid", "SID", evar, POFF(p_sid)),
156 {"sig", "PENDING",
157 NULL, 0, pvar, SIGWIDTH, POFF(p_siglist), SIGLIST, "s"},
158 {"sigcatch", "CAUGHT",
159 NULL, 0, pvar, SIGWIDTH, POFF(p_sigcatch), SIGLIST, "s"},
160 {"sigignore", "IGNORED",
161 NULL, 0, pvar, SIGWIDTH, POFF(p_sigignore), SIGLIST, "s"},
162 {"sigmask", "BLOCKED",
163 NULL, 0, pvar, SIGWIDTH, POFF(p_sigmask), SIGLIST, "s"},
164 {"sl", "SL", NULL, INF127, pvar, 3, POFF(p_slptime), UINT, "d"},
165 {"start", "STARTED", NULL, LJUST|USER, started, 8},
166 {"stat", "", "state"},
167 {"state", "STAT", NULL, 0, state, 4},
168 GID("svgid", "SVGID", evar, POFF(p_gid)),
169 UID("svuid", "SVUID", evar, POFF(p_uid)),
170 {"tdev", "TDEV", NULL, 0, tdev, 4},
171 {"time", "TIME", NULL, USER, cputime, 9},
172 PID("tpgid", "TGPID", evar, POFF(p_tpgid)),
173 {"tsess", "TSESS", NULL, 0, evar, 6, POFF(p_tsess), KPTR, "x"},
174 {"tsiz", "TSIZ", NULL, 0, tsize, 4},
175 {"tt", "TT", NULL, LJUST, tname, 3},
176 {"tty", "TTY", NULL, LJUST, longtname, 8},
177 {"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
178 UID("uid", "UID", evar, POFF(p_uid)),
179 {"upr", "UPR", NULL, 0, pvar, 3, POFF(p_usrpri), UCHAR, "d"},
180 {"user", "USER", NULL, LJUST, uname, USERLEN},
181 {"usrpri", "", "upr"},
182 {"vsize", "", "vsz"},
183 {"vsz", "VSZ", NULL, 0, vsize, 5},
184 {"wchan", "WCHAN", NULL, LJUST, wchan, 6},
185 {"xstat", "XSTAT", NULL, 0, pvar, 4, POFF(p_xstat), USHORT, "x"},
186 {""},
187 };
188
189 void
190 showkey()
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(p)
212 char *p;
213 {
214 static struct varent *vtail;
215
216 #define FMTSEP " \t,\n"
217 while (p && *p) {
218 char *cp;
219 VAR *v;
220 struct varent *vent;
221
222 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
223 /* void */;
224 if (cp == NULL || !(v = findvar(cp)))
225 continue;
226 if ((vent = malloc(sizeof(struct varent))) == NULL)
227 err(1, NULL);
228 vent->var = v;
229 vent->next = NULL;
230 if (vhead == NULL)
231 vhead = vtail = vent;
232 else {
233 vtail->next = vent;
234 vtail = vent;
235 }
236 }
237 if (!vhead)
238 errx(1, "no valid keywords");
239 }
240
241 static VAR *
242 findvar(p)
243 char *p;
244 {
245 VAR *v, key;
246 char *hp;
247
248 key.name = p;
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 return ((VAR *)NULL);
269 }
270 if (hp)
271 v->header = hp;
272 return (v);
273 }
274
275 static int
276 vcmp(a, b)
277 const void *a, *b;
278 {
279 return (strcmp(((VAR *)a)->name, ((VAR *)b)->name));
280 }
281