keyword.c revision 1.22 1 /* $NetBSD: keyword.c,v 1.22 2000/05/11 08:52:30 mjl 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 1.22 2000/05/11 08:52:30 mjl 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 proc, x)
80 #define EOFF(x) offsetof(struct eproc, x)
81 #define UOFF(x) offsetof(struct usave, x)
82 #define ROFF(x) offsetof(struct rusage, x)
83
84 #define UIDFMT "u"
85 #define UIDLEN 5
86 #define UID(n1, n2, fn, off) \
87 { n1, n2, NULL, 0, fn, UIDLEN, off, UINT32, UIDFMT }
88 #define GID(n1, n2, fn, off) UID(n1, n2, fn, off)
89
90 #define PIDFMT "d"
91 #define PIDLEN 5
92 #define PID(n1, n2, fn, off) \
93 { n1, n2, NULL, 0, fn, PIDLEN, off, INT32, PIDFMT }
94
95 #define USERLEN 8
96
97 VAR var[] = {
98 {"%cpu", "%CPU", NULL, 0, pcpu, 4},
99 {"%mem", "%MEM", NULL, 0, pmem, 4},
100 {"acflag", "ACFLG", NULL, 0, pvar, 3, POFF(p_acflag), USHORT, "x"},
101 {"acflg", "", "acflag"},
102 {"blocked", "", "sigmask"},
103 {"caught", "", "sigcatch"},
104 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
105 {"cpu", "CPU", NULL, 0, pvar, 3, POFF(p_estcpu), UINT, "d"},
106 {"cputime", "", "time"},
107 {"f", "F", NULL, 0, pvar, 7, POFF(p_flag), INT, "x"},
108 {"flags", "", "f"},
109 {"holdcnt", "HOLDCNT", NULL, 0, pvar, 8, POFF(p_holdcnt), INT, "d"},
110 {"ignored", "", "sigignore"},
111 {"inblk", "INBLK", NULL, USER, rvar, 4, ROFF(ru_inblock), LONG, "d"},
112 {"inblock", "", "inblk"},
113 {"jobc", "JOBC", NULL, 0, evar, 4, EOFF(e_jobc), SHORT, "d"},
114 {"ktrace", "KTRACE", NULL, 0, pvar, 8, POFF(p_traceflag), INT, "x"},
115 /* XXX */
116 {"ktracep", "KTRACEP", NULL, 0, pvar, 8, POFF(p_tracep), KPTR, "x"},
117 {"lim", "LIM", NULL, 0, maxrss, 5},
118 {"login", "LOGIN", NULL, LJUST, logname, MAXLOGNAME},
119 {"logname", "", "login"},
120 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
121 {"majflt", "MAJFLT", NULL, USER, rvar, 4, ROFF(ru_majflt), LONG, "d"},
122 {"minflt", "MINFLT", NULL, USER, rvar, 4, ROFF(ru_minflt), LONG, "d"},
123 {"msgrcv", "MSGRCV", NULL, USER, rvar, 4, ROFF(ru_msgrcv), LONG, "d"},
124 {"msgsnd", "MSGSND", NULL, USER, rvar, 4, ROFF(ru_msgsnd), LONG, "d"},
125 {"ni", "", "nice"},
126 {"nice", "NI", NULL, 0, pnice, 2},
127 {"nivcsw", "NIVCSW", NULL, USER, rvar, 5, ROFF(ru_nivcsw), LONG, "d"},
128 {"nsignals", "", "nsigs"},
129 {"nsigs", "NSIGS", NULL, USER, rvar, 4, ROFF(ru_nsignals), LONG, "d"},
130 {"nswap", "NSWAP", NULL, USER, rvar, 4, ROFF(ru_nswap), LONG, "d"},
131 {"nvcsw", "NVCSW", NULL, USER, rvar, 5, ROFF(ru_nvcsw), LONG, "d"},
132 /* XXX */
133 {"nwchan", "WCHAN", NULL, 0, pvar, 6, POFF(p_wchan), KPTR, "x"},
134 {"oublk", "OUBLK", NULL, USER, rvar, 4, ROFF(ru_oublock), LONG, "d"},
135 {"oublock", "", "oublk"},
136 /* XXX */
137 {"p_ru", "P_RU", NULL, 0, pvar, 6, POFF(p_ru), KPTR, "x"},
138 /* XXX */
139 {"paddr", "PADDR", NULL, 0, evar, 6, EOFF(e_paddr), KPTR, "x"},
140 {"pagein", "PAGEIN", NULL, USER, pagein, 6},
141 {"pcpu", "", "%cpu"},
142 {"pending", "", "sig"},
143 PID("pgid", "PGID", evar, EOFF(e_pgid)),
144 PID("pid", "PID", pvar, POFF(p_pid)),
145 {"pmem", "", "%mem"},
146 PID("ppid", "PPID", evar, EOFF(e_ppid)),
147 {"pri", "PRI", NULL, 0, pri, 3},
148 {"re", "RE", NULL, INF127, pvar, 3, POFF(p_swtime), UINT, "d"},
149 GID("rgid", "RGID", evar, EOFF(e_pcred.p_rgid)),
150 /* XXX */
151 {"rlink", "RLINK", NULL, 0, pvar, 8, POFF(p_back), KPTR, "x"},
152 {"rss", "RSS", NULL, 0, p_rssize, 4},
153 {"rssize", "", "rsz"},
154 {"rsz", "RSZ", NULL, 0, rssize, 4},
155 UID("ruid", "RUID", evar, EOFF(e_pcred.p_ruid)),
156 {"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
157 {"sess", "SESS", NULL, 0, evar, 6, EOFF(e_sess), KPTR24, "x"},
158 PID("sid", "SID", evar, EOFF(e_sid)),
159 {"sig", "PENDING",
160 NULL, 0, pvar, SIGWIDTH, POFF(p_siglist), SIGLIST, "s"},
161 {"sigcatch", "CAUGHT",
162 NULL, 0, pvar, SIGWIDTH, POFF(p_sigcatch), SIGLIST, "s"},
163 {"sigignore", "IGNORED",
164 NULL, 0, pvar, SIGWIDTH, POFF(p_sigignore), SIGLIST, "s"},
165 {"sigmask", "BLOCKED",
166 NULL, 0, pvar, SIGWIDTH, POFF(p_sigmask), SIGLIST, "s"},
167 {"sl", "SL", NULL, INF127, pvar, 3, POFF(p_slptime), UINT, "d"},
168 {"start", "STARTED", NULL, LJUST|USER, started, 8},
169 {"stat", "", "state"},
170 {"state", "STAT", NULL, 0, state, 4},
171 GID("svgid", "SVGID", evar, EOFF(e_pcred.p_svgid)),
172 UID("svuid", "SVUID", evar, EOFF(e_pcred.p_svuid)),
173 {"tdev", "TDEV", NULL, 0, tdev, 4},
174 {"time", "TIME", NULL, USER, cputime, 9},
175 PID("tpgid", "TGPID", evar, EOFF(e_tpgid)),
176 {"tsess", "TSESS", NULL, 0, evar, 6, EOFF(e_tsess), KPTR, "x"},
177 {"tsiz", "TSIZ", NULL, 0, tsize, 4},
178 {"tt", "TT", NULL, LJUST, tname, 3},
179 {"tty", "TTY", NULL, LJUST, longtname, 8},
180 {"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
181 UID("uid", "UID", evar, EOFF(e_ucred.cr_uid)),
182 {"upr", "UPR", NULL, 0, pvar, 3, POFF(p_usrpri), UCHAR, "d"},
183 {"user", "USER", NULL, LJUST, uname, USERLEN},
184 {"usrpri", "", "upr"},
185 {"vsize", "", "vsz"},
186 {"vsz", "VSZ", NULL, 0, vsize, 5},
187 {"wchan", "WCHAN", NULL, LJUST, wchan, 6},
188 {"xstat", "XSTAT", NULL, 0, pvar, 4, POFF(p_xstat), USHORT, "x"},
189 {""},
190 };
191
192 void
193 showkey()
194 {
195 VAR *v;
196 int i;
197 char *p, *sep;
198
199 i = 0;
200 sep = "";
201 for (v = var; *(p = v->name); ++v) {
202 int len = strlen(p);
203 if (termwidth && (i += len + 1) > termwidth) {
204 i = len;
205 sep = "\n";
206 }
207 (void) printf("%s%s", sep, p);
208 sep = " ";
209 }
210 (void) printf("\n");
211 }
212
213 void
214 parsefmt(p)
215 char *p;
216 {
217 static struct varent *vtail;
218
219 #define FMTSEP " \t,\n"
220 while (p && *p) {
221 char *cp;
222 VAR *v;
223 struct varent *vent;
224
225 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
226 /* void */;
227 if (cp == NULL || !(v = findvar(cp)))
228 continue;
229 if ((vent = malloc(sizeof(struct varent))) == NULL)
230 err(1, NULL);
231 vent->var = v;
232 vent->next = NULL;
233 if (vhead == NULL)
234 vhead = vtail = vent;
235 else {
236 vtail->next = vent;
237 vtail = vent;
238 }
239 }
240 if (!vhead)
241 errx(1, "no valid keywords");
242 }
243
244 static VAR *
245 findvar(p)
246 char *p;
247 {
248 VAR *v, key;
249 char *hp;
250
251 key.name = p;
252
253 hp = strchr(p, '=');
254 if (hp)
255 *hp++ = '\0';
256
257 key.name = p;
258 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
259
260 if (v && v->alias) {
261 if (hp) {
262 warnx("%s: illegal keyword specification", p);
263 eval = 1;
264 }
265 parsefmt(v->alias);
266 return ((VAR *)NULL);
267 }
268 if (!v) {
269 warnx("%s: keyword not found", p);
270 eval = 1;
271 return ((VAR *)NULL);
272 }
273 if (hp)
274 v->header = hp;
275 return (v);
276 }
277
278 static int
279 vcmp(a, b)
280 const void *a, *b;
281 {
282 return (strcmp(((VAR *)a)->name, ((VAR *)b)->name));
283 }
284