xref: /original-bsd/bin/ps/keyword.c (revision 260a368e)
1 /*-
2  * Copyright (c) 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)keyword.c	5.15 (Berkeley) 04/27/93";
10 #endif /* not lint */
11 
12 #include <sys/param.h>
13 #include <sys/time.h>
14 #include <sys/resource.h>
15 #include <sys/proc.h>
16 
17 #include <errno.h>
18 #include <stddef.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22 
23 #include "ps.h"
24 
25 #ifdef SPPWAIT
26 #define NEWVM
27 #endif
28 
29 #ifdef NEWVM
30 #include <sys/ucred.h>
31 #include <sys/sysctl.h>
32 #endif
33 
34 static VAR *findvar __P((char *));
35 static int  vcmp __P((const void *, const void *));
36 
37 #ifdef NOTINUSE
38 int	utime(), stime(), ixrss(), idrss(), isrss();
39 	{{"utime"}, "UTIME", USER, utime, 4},
40 	{{"stime"}, "STIME", USER, stime, 4},
41 	{{"ixrss"}, "IXRSS", USER, ixrss, 4},
42 	{{"idrss"}, "IDRSS", USER, idrss, 4},
43 	{{"isrss"}, "ISRSS", USER, isrss, 4},
44 #endif
45 
46 /* Compute offset in common structures. */
47 #define	POFF(x)	offsetof(struct proc, x)
48 #define	EOFF(x)	offsetof(struct eproc, x)
49 #define	UOFF(x)	offsetof(struct usave, x)
50 #define	ROFF(x)	offsetof(struct rusage, x)
51 
52 #define	UIDFMT	"u"
53 #define	UIDLEN	5
54 #define	PIDFMT	"d"
55 #define	PIDLEN	5
56 #define	USERLEN	8
57 
58 VAR var[] = {
59 #ifdef NEWVM
60 	{"%cpu", "%CPU", NULL, 0, pcpu, 4},
61 	{"%mem", "%MEM", NULL, 0, pmem, 4},
62 	{"acflag", "ACFLG", NULL, 0, pvar, 3, POFF(p_acflag), USHORT, "x"},
63 	{"acflg", "", "acflag"},
64 	{"blocked", "", "sigmask"},
65 	{"caught", "", "sigcatch"},
66 	{"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
67 	{"cpu", "CPU", NULL, 0, pvar, 3, POFF(p_cpu), ULONG, "d"},
68 	{"cputime", "", "time"},
69 	{"f", "F", NULL, 0, pvar, 7, POFF(p_flag), LONG, "x"},
70 	{"flags", "", "f"},
71 	{"ignored", "", "sigignore"},
72 	{"inblk", "INBLK", NULL, USER, rvar, 4, ROFF(ru_inblock), LONG, "d"},
73 	{"inblock", "", "inblk"},
74 	{"jobc", "JOBC", NULL, 0, evar, 4, EOFF(e_jobc), SHORT, "d"},
75 	{"ktrace", "KTRACE", NULL, 0, pvar, 8, POFF(p_traceflag), LONG, "x"},
76 	{"ktracep", "KTRACEP", NULL, 0, pvar, 8, POFF(p_tracep), LONG, "x"},
77 	{"lim", "LIM", NULL, 0, maxrss, 5},
78 	{"login", "LOGIN", NULL, LJUST, logname, MAXLOGNAME},
79 	{"logname", "", "login"},
80 	{"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
81 	{"majflt", "MAJFLT", NULL, USER, rvar, 4, ROFF(ru_majflt), LONG, "d"},
82 	{"minflt", "MINFLT", NULL, USER, rvar, 4, ROFF(ru_minflt), LONG, "d"},
83 	{"msgrcv", "MSGRCV", NULL, USER, rvar, 4, ROFF(ru_msgrcv), LONG, "d"},
84 	{"msgsnd", "MSGSND", NULL, USER, rvar, 4, ROFF(ru_msgsnd), LONG, "d"},
85 	{"ni", "", "nice"},
86 	{"nice", "NI", NULL, 0, pvar, 2, POFF(p_nice), CHAR, "d"},
87 	{"nivcsw", "NIVCSW", NULL, USER, rvar, 5, ROFF(ru_nivcsw), LONG, "d"},
88 	{"nsignals", "", "nsigs"},
89 	{"nsigs", "NSIGS", NULL, USER, rvar, 4, ROFF(ru_nsignals), LONG, "d"},
90 	{"nswap", "NSWAP", NULL, USER, rvar, 4, ROFF(ru_nswap), LONG, "d"},
91 	{"nvcsw", "NVCSW", NULL, USER, rvar, 5, ROFF(ru_nvcsw), LONG, "d"},
92 	{"nwchan", "WCHAN", NULL, 0, pvar, 6, POFF(p_wchan), KPTR, "x"},
93 	{"oublk", "OUBLK", NULL, USER, rvar, 4, ROFF(ru_oublock), LONG, "d"},
94 	{"oublock", "", "oublk"},
95 	{"p_ru", "P_RU", NULL, 0, pvar, 6, POFF(p_ru), KPTR, "x"},
96 	{"paddr", "PADDR", NULL, 0, evar, 6, EOFF(e_paddr), KPTR, "x"},
97 	{"pagein", "PAGEIN", NULL, USER, pagein, 6},
98 	{"pcpu", "", "%cpu"},
99 	{"pending", "", "sig"},
100 	{"pgid", "PGID", NULL, 0, evar, PIDLEN, EOFF(e_pgid), USHORT, PIDFMT},
101 	{"pid", "PID", NULL, 0, pvar, PIDLEN, POFF(p_pid),SHORT, PIDFMT},
102 	{"pmem", "", "%mem"},
103 	{"ppid", "PPID", NULL, 0, evar, PIDLEN, EOFF(e_ppid), SHORT, PIDFMT},
104 	{"pri", "PRI", NULL, 0, pri, 3},
105 	{"re", "RE", NULL, 0, pvar, 3, POFF(p_time), CHAR, "d"},
106 	{"rgid", "RGID", NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_rgid),
107 		ULONG, UIDFMT},
108 	{"rlink", "RLINK", NULL, 0, pvar, 8, POFF(p_rlink), KPTR, "x"},
109 	{"rss", "RSS", NULL, 0, p_rssize, 4},
110 	{"rssize", "", "rsz"},
111 	{"rsz", "RSZ", NULL, 0, rssize, 4},
112 	{"ruid", "RUID", NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_ruid),
113 		ULONG, UIDFMT},
114 	{"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
115 	{"sess", "SESS", NULL, 0, evar, 6, EOFF(e_sess), KPTR, "x"},
116 	{"sig", "PENDING", NULL, 0, pvar, 8, POFF(p_sig), LONG, "x"},
117 	{"sigcatch", "CAUGHT", NULL, 0, pvar, 8, POFF(p_sigcatch), LONG, "x"},
118 	{"sigignore", "IGNORED",
119 		NULL, 0, pvar, 8, POFF(p_sigignore), LONG, "x"},
120 	{"sigmask", "BLOCKED", NULL, 0, pvar, 8, POFF(p_sigmask), LONG, "x"},
121 	{"sl", "SL", NULL, 0, pvar, 3, POFF(p_slptime), CHAR, "d"},
122 	{"start", "STARTED", NULL, LJUST|USER, started, 8},
123 	{"stat", "", "state"},
124 	{"state", "STAT", NULL, 0, state, 4},
125 	{"svgid", "SVGID",
126 		NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_svgid), ULONG, UIDFMT},
127 	{"svuid", "SVUID",
128 		NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_svuid), ULONG, UIDFMT},
129 	{"tdev", "TDEV", NULL, 0, tdev, 4},
130 	{"time", "TIME", NULL, USER, cputime, 9},
131 	{"tpgid", "TPGID", NULL, 0, evar, 4, EOFF(e_tpgid), USHORT, PIDFMT},
132 	{"tsess", "TSESS", NULL, 0, evar, 6, EOFF(e_tsess), KPTR, "x"},
133 	{"tsiz", "TSIZ", NULL, 0, tsize, 4},
134 	{"tt", "TT", NULL, LJUST, tname, 3},
135 	{"tty", "TTY", NULL, LJUST, longtname, 8},
136 	{"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
137 	{"uid", "UID", NULL, 0, evar, UIDLEN, EOFF(e_ucred.cr_uid),
138 		ULONG, UIDFMT},
139 	{"upr", "UPR", NULL, 0, pvar, 3, POFF(p_usrpri), CHAR, "d"},
140 	{"user", "USER", NULL, LJUST, uname, USERLEN},
141 	{"usrpri", "", "upr"},
142 	{"vsize", "", "vsz"},
143 	{"vsz", "VSZ", NULL, 0, vsize, 5},
144 	{"wchan", "WCHAN", NULL, LJUST, wchan, 6},
145 	{"xstat", "XSTAT", NULL, 0, pvar, 4, POFF(p_xstat), USHORT, "x"},
146 #else
147 	{"%cpu", "%CPU", NULL, 0, pcpu, 4},
148 	{"%mem", "%MEM", NULL, 0, pmem, 4},
149 	{"acflag", "ACFLG", NULL, USER, uvar, 3, UOFF(u_acflag), SHORT, "x"},
150 	{"acflg", "", "acflag"},
151 	{"blocked", "", "sigmask"},
152 	{"caught", "", "sigcatch"},
153 	{"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
154 	{"cpu", "CPU", NULL, 0, pvar, 3, POFF(p_cpu), ULONG, "d"},
155 	{"cputime", "", "time"},
156 	{"f", "F", NULL, 0, pvar, 7, POFF(p_flag), LONG, "x"},
157 	{"flags", "", "f"},
158 	{"ignored", "", "sigignore"},
159 	{"inblk", "INBLK", NULL, USER, rvar, 4, ROFF(ru_inblock), LONG, "d"},
160 	{"inblock", "", "inblk"},
161 	{"jobc", "JOBC", NULL, 0, evar, 4, EOFF(e_jobc), SHORT, "d"},
162 	{"ktrace", "KTRACE", NULL, 0, pvar, 8, POFF(p_traceflag), LONG, "x"},
163 	{"ktracep", "KTRACEP", NULL, 0, pvar, 8, POFF(p_tracep), LONG, "x"},
164 	{"lim", "LIM", NULL, 0, maxrss, 5},
165 	{"logname", "LOGNAME", NULL, LJUST, logname, MAXLOGNAME},
166 	{"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
167 	{"majflt", "MAJFLT", NULL, USER, rvar, 4, ROFF(ru_majflt), LONG, "d"},
168 	{"minflt", "MINFLT", NULL, USER, rvar, 4, ROFF(ru_minflt), LONG, "d"},
169 	{"msgrcv", "MSGRCV", NULL, USER, rvar, 4, ROFF(ru_msgrcv), LONG, "d"},
170 	{"msgsnd", "MSGSND", NULL, USER, rvar, 4, ROFF(ru_msgsnd), LONG, "d"},
171 	{"ni", "", "nice"},
172 	{"nice", "NI", NULL, 0, pvar, 2, POFF(p_nice), CHAR, "d"},
173 	{"nivcsw", "NIVCSW", NULL, USER, rvar, 5, ROFF(ru_nivcsw), LONG, "d"},
174 	{"nsignals", "", "nsigs"},
175 	{"nsigs", "NSIGS", NULL, USER, rvar, 4, ROFF(ru_nsignals), LONG, "d"},
176 	{"nswap", "NSWAP", NULL, USER, rvar, 4, ROFF(ru_nswap), LONG, "d"},
177 	{"nvcsw", "NVCSW", NULL, USER, rvar, 5, ROFF(ru_nvcsw), LONG, "d"},
178 	{"nwchan", "WCHAN", NULL, 0, pvar, 6, POFF(p_wchan), KPTR, "x"},
179 	{"oublk", "OUBLK", NULL, USER, rvar, 4, ROFF(ru_oublock), LONG, "d"},
180 	{"oublock", "", "oublk"},
181 	{"p_ru", "P_RU", NULL, 0, pvar, 6, POFF(p_ru), KPTR, "x"},
182 	{"paddr", "PADDR", NULL, 0, evar, 6, EOFF(e_paddr), KPTR, "x"},
183 	{"pagein", "PAGEIN", NULL, USER, pagein, 6},
184 	{"pcpu", "", "%cpu"},
185 	{"pending", "", "sig"},
186 	{"pgid", "PGID", NULL, 0, evar, PIDLEN, EOFF(e_pgid), USHORT, PIDFMT},
187 	{"pid", "PID", NULL, 0, pvar, PIDLEN, POFF(p_pid),SHORT, PIDFMT},
188 	{"pmem", "", "%mem"},
189 	{"poip", "POIP", NULL, 0, pvar, 4, POFF(p_poip), SHORT, "d"},
190 	{"ppid", "PPID", NULL, 0, pvar, PIDLEN, POFF(p_ppid), SHORT, PIDFMT},
191 	{"pri", "PRI", NULL, 0, pri, 3},
192 	{"re", "RE", NULL, 0, pvar, 3, POFF(p_time), CHAR, "d"},
193 	{"rgid", "RGID", NULL, 0, pvar, UIDLEN, POFF(p_rgid), USHORT, UIDFMT},
194 	{"rlink", "RLINK", NULL, 0, pvar, 8, POFF(p_rlink), KPTR, "x"},
195 	{"rss", "RSS", NULL, 0, p_rssize, 4},
196 	{"rssize", "", "rsz"},
197 	{"rsz", "RSZ", NULL, 0, rssize, 4},
198 	{"ruid", "RUID", NULL, 0, pvar, UIDLEN, POFF(p_ruid), USHORT, UIDFMT},
199 	{"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
200 	{"sess", "SESS", NULL, 0, evar, 6, EOFF(e_sess), KPTR, "x"},
201 	{"sig", "PENDING", NULL, 0, pvar, 8, POFF(p_sig), LONG, "x"},
202 	{"sigcatch", "CAUGHT", NULL, 0, pvar, 8, POFF(p_sigcatch), LONG, "x"},
203 	{"sigignore", "IGNORED",
204 		NULL, 0, pvar, 8, POFF(p_sigignore), LONG, "x"},
205 	{"sigmask", "BLOCKED", NULL, 0, pvar, 8, POFF(p_sigmask), LONG, "x"},
206 	{"sl", "SL", NULL, 0, pvar, 3, POFF(p_slptime), CHAR, "d"},
207 	{"start", "STARTED", NULL, LJUST|USER, started, 8},
208 	{"stat", "", "state"},
209 	{"state", "STAT", NULL, 0, state, 4},
210 	{"svgid", "SVGID",
211 		NULL, 0, pvar, UIDLEN, POFF(p_svgid), USHORT, UIDFMT},
212 	{"svuid", "SVUID",
213 		NULL, 0, pvar, UIDLEN, POFF(p_svuid), USHORT, UIDFMT},
214 	{"tdev", "TDEV", NULL, 0, tdev, 4},
215 	{"time", "TIME", NULL, USER, cputime, 9},
216 	{"tpgid", "TPGID", NULL, 0, evar, 4, EOFF(e_tpgid), USHORT, PIDFMT},
217 	{"trs", "TRS", NULL, 0, trss, 3},
218 	{"tsess", "TSESS", NULL, 0, evar, 6, EOFF(e_tsess), KPTR, "x"},
219 	{"tsiz", "TSIZ", NULL, 0, tsize, 4},
220 	{"tt", "TT", NULL, LJUST, tname, 3},
221 	{"tty", "TTY", NULL, LJUST, longtname, 8},
222 	{"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
223 	{"uid", "UID", NULL, 0, pvar, UIDLEN, POFF(p_uid),USHORT, UIDFMT},
224 	{"upr", "UPR", NULL, 0, pvar, 3, POFF(p_usrpri), CHAR, "d"},
225 	{"uprocp", "UPROCP", NULL, USER, uvar, 6, UOFF(u_procp), KPTR, "x"},
226 	{"user", "USER", NULL, LJUST, uname, USERLEN},
227 	{"usrpri", "", "upr"},
228 	{"vsize", "", "vsz"},
229 	{"vsz", "VSZ", NULL, 0, vsize, 5},
230 	{"wchan", "WCHAN", NULL, LJUST, wchan, 6},
231 	{"xstat", "XSTAT", NULL, 0, pvar, 4, POFF(p_xstat), USHORT, "x"},
232 #endif
233 	{""},
234 };
235 
236 void
237 showkey()
238 {
239 	extern int termwidth;
240 	register VAR *v;
241 	register int i, len;
242 	register char *p, *sep;
243 
244 	i = 0;
245 	sep = "";
246 	for (v = var; *(p = v->name); ++v) {
247 		len = strlen(p);
248 		if (termwidth && (i += len + 1) > termwidth) {
249 			i = len;
250 			sep = "\n";
251 		}
252 		(void) printf("%s%s", sep, p);
253 		sep = " ";
254 	}
255 	(void) printf("\n");
256 }
257 
258 void
259 parsefmt(p)
260 	char *p;
261 {
262 	static struct varent *vtail;
263 	register VAR *v;
264 	register char *cp;
265 	register struct varent *vent;
266 
267 #define	FMTSEP	" \t,\n"
268 	while (p && *p) {
269 		while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
270 			/* void */;
271 		if (!(v = findvar(cp)))
272 			continue;
273 		if ((vent = malloc(sizeof(struct varent))) == NULL)
274 			err("%s", strerror(errno));
275 		vent->var = v;
276 		vent->next = NULL;
277 		if (vhead == NULL)
278 			vhead = vtail = vent;
279 		else {
280 			vtail->next = vent;
281 			vtail = vent;
282 		}
283 	}
284 	if (!vhead)
285 		err("no valid keywords\n");
286 }
287 
288 static VAR *
289 findvar(p)
290 	char *p;
291 {
292 	extern int eval;
293 	VAR *v, key;
294 	char *hp;
295 	int vcmp();
296 
297 	key.name = p;
298 
299 	hp = index(p, '=');
300 	if (hp)
301 		*hp++ = '\0';
302 
303 	key.name = p;
304 	v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
305 
306 	if (v && v->alias) {
307 		if (hp) {
308 			(void)fprintf(stderr,
309 			    "ps: %s: illegal keyword specification\n", p);
310 			eval = 1;
311 		}
312 		parsefmt(v->alias);
313 		return((VAR *)NULL);
314 	}
315 	if (!v) {
316 		(void)fprintf(stderr, "ps: keyword %s not found\n", p);
317 		eval = 1;
318 	}
319 	if (hp)
320 		v->header = hp;
321 	return(v);
322 }
323 
324 static int
325 vcmp(a, b)
326         const void *a, *b;
327 {
328         return(strcmp(((VAR *)a)->name, ((VAR *)b)->name));
329 }
330