keyword.c revision 43208
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
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)keyword.c	8.5 (Berkeley) 4/2/94";
37#else
38static const char rcsid[] =
39	"$Id: keyword.c,v 1.22 1999/01/13 03:11:43 julian Exp $";
40#endif
41#endif /* not lint */
42
43#include <sys/param.h>
44#include <sys/time.h>
45#include <sys/resource.h>
46#include <sys/proc.h>
47#include <sys/sysctl.h>
48#include <sys/ucred.h>
49#include <sys/user.h>
50
51#include <err.h>
52#include <errno.h>
53#include <stddef.h>
54#include <stdio.h>
55#include <stdlib.h>
56#include <string.h>
57#include <utmp.h>
58
59#include "ps.h"
60
61static VAR *findvar __P((char *));
62static int  vcmp __P((const void *, const void *));
63
64#ifdef NOTINUSE
65int	utime(), stime(), ixrss(), idrss(), isrss();
66	{{"utime"}, "UTIME", USER, utime, NULL, 4},
67	{{"stime"}, "STIME", USER, stime, NULL, 4},
68	{{"ixrss"}, "IXRSS", USER, ixrss, NULL, 4},
69	{{"idrss"}, "IDRSS", USER, idrss, NULL, 4},
70	{{"isrss"}, "ISRSS", USER, isrss, NULL, 4},
71#endif
72
73/* Compute offset in common structures. */
74#define	POFF(x)	offsetof(struct proc, x)
75#define	EOFF(x)	offsetof(struct eproc, x)
76#define	UOFF(x)	offsetof(struct usave, x)
77#define	ROFF(x)	offsetof(struct rusage, x)
78
79#define	UIDFMT	"u"
80#define	UIDLEN	5
81#define	PIDFMT	"d"
82#define	PIDLEN	5
83#define USERLEN UT_NAMESIZE
84
85VAR var[] = {
86	{"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4},
87	{"%mem", "%MEM", NULL, 0, pmem, NULL, 4},
88	{"acflag", "ACFLG",
89		NULL, 0, pvar, NULL, 3, POFF(p_acflag), USHORT, "x"},
90	{"acflg", "", "acflag"},
91	{"blocked", "", "sigmask"},
92	{"caught", "", "sigcatch"},
93	{"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16},
94	{"cpu", "CPU", NULL, 0, pvar, NULL, 3, POFF(p_estcpu), UINT, "d"},
95	{"cputime", "", "time"},
96	{"f", "F", NULL, 0, pvar, NULL, 7, POFF(p_flag), INT, "x"},
97	{"flags", "", "f"},
98	{"ignored", "", "sigignore"},
99	{"inblk", "INBLK",
100		NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG, "ld"},
101	{"inblock", "", "inblk"},
102	{"jobc", "JOBC", NULL, 0, evar, NULL, 4, EOFF(e_jobc), SHORT, "d"},
103	{"ktrace", "KTRACE",
104		NULL, 0, pvar, NULL, 8, POFF(p_traceflag), INT, "x"},
105	{"ktracep", "KTRACEP",
106		NULL, 0, pvar, NULL, 8, POFF(p_tracep), LONG, "lx"},
107	{"lim", "LIM", NULL, 0, maxrss, NULL, 5},
108	{"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1},
109	{"logname", "", "login"},
110	{"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28},
111	{"majflt", "MAJFLT",
112		NULL, USER, rvar, NULL, 4, ROFF(ru_majflt), LONG, "ld"},
113	{"minflt", "MINFLT",
114		NULL, USER, rvar, NULL, 4, ROFF(ru_minflt), LONG, "ld"},
115	{"msgrcv", "MSGRCV",
116		NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv), LONG, "ld"},
117	{"msgsnd", "MSGSND",
118		NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd), LONG, "ld"},
119	{"ni", "", "nice"},
120	{"nice", "NI", NULL, 0, pvar, NULL, 2, POFF(p_nice), CHAR, "d"},
121	{"nivcsw", "NIVCSW",
122		NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw), LONG, "ld"},
123	{"nsignals", "", "nsigs"},
124	{"nsigs", "NSIGS",
125		NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals), LONG, "ld"},
126	{"nswap", "NSWAP",
127		NULL, USER, rvar, NULL, 4, ROFF(ru_nswap), LONG, "ld"},
128	{"nvcsw", "NVCSW",
129		NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw), LONG, "ld"},
130	{"nwchan", "WCHAN", NULL, 0, pvar, NULL, 6, POFF(p_wchan), KPTR, "lx"},
131	{"oublk", "OUBLK",
132		NULL, USER, rvar, NULL, 4, ROFF(ru_oublock), LONG, "ld"},
133	{"oublock", "", "oublk"},
134	{"p_ru", "P_RU", NULL, 0, pvar, NULL, 6, POFF(p_ru), KPTR, "lx"},
135	{"paddr", "PADDR", NULL, 0, evar, NULL, 6, EOFF(e_paddr), KPTR, "lx"},
136	{"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6},
137	{"pcpu", "", "%cpu"},
138	{"pending", "", "sig"},
139	{"pgid", "PGID",
140		NULL, 0, evar, NULL, PIDLEN, EOFF(e_pgid), UINT, PIDFMT},
141	{"pid", "PID", NULL, 0, pvar, NULL, PIDLEN, POFF(p_pid), UINT, PIDFMT},
142	{"pmem", "", "%mem"},
143	{"ppid", "PPID",
144		NULL, 0, evar, NULL, PIDLEN, EOFF(e_ppid), UINT, PIDFMT},
145	{"pri", "PRI", NULL, 0, pri, NULL, 3},
146	{"re", "RE", NULL, 0, pvar, NULL, 3, POFF(p_swtime), UINT, "d"},
147	{"rgid", "RGID", NULL, 0, evar, NULL, UIDLEN, EOFF(e_pcred.p_rgid),
148		UINT, UIDFMT},
149	{"rlink", "RLINK",
150		NULL, 0, pvar, NULL, 8, POFF(p_procq.tqe_prev), KPTR, "lx"},
151	{"rss", "RSS", NULL, 0, p_rssize, NULL, 4},
152	{"rssize", "", "rsz"},
153	{"rsz", "RSZ", NULL, 0, rssize, NULL, 4},
154	{"rtprio", "RTPRIO", NULL, 0, rtprior, NULL, 7, POFF(p_rtprio)},
155	{"ruid", "RUID", NULL, 0, evar, NULL, UIDLEN, EOFF(e_pcred.p_ruid),
156		UINT, UIDFMT},
157	{"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN},
158	{"sess", "SESS", NULL, 0, evar, NULL, 6, EOFF(e_sess), KPTR, "lx"},
159	{"sig", "PENDING", NULL, 0, pvar, NULL, 8, POFF(p_siglist), INT, "x"},
160	{"sigcatch", "CAUGHT",
161		NULL, 0, evar, NULL, 8, EOFF(e_procsig.ps_sigcatch), UINT, "x"},
162	{"sigignore", "IGNORED",
163		NULL, 0, evar, NULL, 8, EOFF(e_procsig.ps_sigignore), UINT, "x"},
164	{"sigmask", "BLOCKED",
165		NULL, 0, pvar, NULL, 8, POFF(p_sigmask), UINT, "x"},
166	{"sl", "SL", NULL, 0, pvar, NULL, 3, POFF(p_slptime), UINT, "d"},
167	{"start", "STARTED", NULL, LJUST|USER, started, NULL, 7},
168	{"stat", "", "state"},
169	{"state", "STAT", NULL, 0, state, NULL, 4},
170	{"svgid", "SVGID", NULL, 0,
171		evar, NULL, UIDLEN, EOFF(e_pcred.p_svgid), UINT, UIDFMT},
172	{"svuid", "SVUID", NULL, 0,
173		evar, NULL, UIDLEN, EOFF(e_pcred.p_svuid), UINT, UIDFMT},
174	{"tdev", "TDEV", NULL, 0, tdev, NULL, 4},
175	{"time", "TIME", NULL, USER, cputime, NULL, 9},
176	{"tpgid", "TPGID",
177		NULL, 0, evar, NULL, 4, EOFF(e_tpgid), UINT, PIDFMT},
178	{"tsess", "TSESS", NULL, 0, evar, NULL, 6, EOFF(e_tsess), KPTR, "lx"},
179	{"tsiz", "TSIZ", NULL, 0, tsize, NULL, 4},
180	{"tt", "TT ", NULL, 0, tname, NULL, 4},
181	{"tty", "TTY", NULL, LJUST, longtname, NULL, 8},
182	{"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN},
183	{"uid", "UID", NULL, 0, evar, NULL, UIDLEN, EOFF(e_ucred.cr_uid),
184		UINT, UIDFMT},
185	{"upr", "UPR", NULL, 0, pvar, NULL, 3, POFF(p_usrpri), CHAR, "d"},
186	{"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN},
187	{"usrpri", "", "upr"},
188	{"vsize", "", "vsz"},
189	{"vsz", "VSZ", NULL, 0, vsize, NULL, 5},
190	{"wchan", "WCHAN", NULL, LJUST, wchan, NULL, 6},
191	{"xstat", "XSTAT", NULL, 0, pvar, NULL, 4, POFF(p_xstat), USHORT, "x"},
192	{""},
193};
194
195void
196showkey()
197{
198	VAR *v;
199	int i;
200	char *p, *sep;
201
202	i = 0;
203	sep = "";
204	for (v = var; *(p = v->name); ++v) {
205		int len = strlen(p);
206		if (termwidth && (i += len + 1) > termwidth) {
207			i = len;
208			sep = "\n";
209		}
210		(void) printf("%s%s", sep, p);
211		sep = " ";
212	}
213	(void) printf("\n");
214}
215
216void
217parsefmt(p)
218	char *p;
219{
220	static struct varent *vtail;
221
222#define	FMTSEP	" \t,\n"
223	while (p && *p) {
224		char *cp;
225		VAR *v;
226		struct varent *vent;
227
228		while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
229			/* void */;
230		if (!(v = findvar(cp)))
231			continue;
232		if ((vent = malloc(sizeof(struct varent))) == NULL)
233			err(1, NULL);
234		vent->var = v;
235		vent->next = NULL;
236		if (vhead == NULL)
237			vhead = vtail = vent;
238		else {
239			vtail->next = vent;
240			vtail = vent;
241		}
242	}
243	if (!vhead)
244		errx(1, "no valid keywords");
245}
246
247static VAR *
248findvar(p)
249	char *p;
250{
251	VAR *v, key;
252	char *hp;
253	int vcmp();
254
255	hp = strchr(p, '=');
256	if (hp)
257		*hp++ = '\0';
258
259	key.name = p;
260	v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
261
262	if (v && v->alias) {
263		if (hp) {
264			warnx("%s: illegal keyword specification", p);
265			eval = 1;
266		}
267		parsefmt(v->alias);
268		return ((VAR *)NULL);
269	}
270	if (!v) {
271		warnx("%s: keyword not found", p);
272		eval = 1;
273	} else if (hp)
274		v->header = hp;
275	return (v);
276}
277
278static int
279vcmp(a, b)
280        const void *a, *b;
281{
282        return (strcmp(((VAR *)a)->name, ((VAR *)b)->name));
283}
284