/bin/ps/keyword.c

https://bitbucket.org/freebsd/freebsd-head/ · C · 308 lines · 238 code · 18 blank · 52 comment · 34 complexity · 54ac1596ba6d46a7af49d7e7cb508820 MD5 · raw file 

    

  1. /*-
    2. 

  2.  * Copyright (c) 1990, 1993, 1994
    3. 

  3.  *	The Regents of the University of California.  All rights reserved.
    4. 

  4.  *
    5. 

  5.  * Redistribution and use in source and binary forms, with or without
    6. 

  6.  * modification, are permitted provided that the following conditions
    7. 

  7.  * are met:
    8. 

  8.  * 1. Redistributions of source code must retain the above copyright
    9. 

  9.  *    notice, this list of conditions and the following disclaimer.
    10. 

  10.  * 2. Redistributions in binary form must reproduce the above copyright
    11. 

  11.  *    notice, this list of conditions and the following disclaimer in the
    12. 

  12.  *    documentation and/or other materials provided with the distribution.
    13. 

  13.  * 4. Neither the name of the University nor the names of its contributors
    14. 

  14.  *    may be used to endorse or promote products derived from this software
    15. 

  15.  *    without specific prior written permission.
    16. 

  16.  *
    17. 

  17.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    18. 

  18.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    19. 

  19.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    20. 

  20.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    21. 

  21.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    22. 

  22.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    23. 

  23.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    24. 

  24.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    25. 

  25.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    26. 

  26.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    27. 

  27.  * SUCH DAMAGE.
    28. 

  28.  */
    29. 

  29. 

  30. #if 0
    31. 

  31. #ifndef lint
    32. 

  32. static char sccsid[] = "@(#)keyword.c	8.5 (Berkeley) 4/2/94";
    33. 

  33. #endif /* not lint */
    34. 

  34. #endif
    35. 

  35. #include <sys/cdefs.h>
    36. 

  36. __FBSDID("$FreeBSD$");
    37. 

  37. 

  38. #include <sys/param.h>
    39. 

  39. #include <sys/time.h>
    40. 

  40. #include <sys/resource.h>
    41. 

  41. #include <sys/proc.h>
    42. 

  42. #include <sys/sysctl.h>
    43. 

  43. #include <sys/user.h>
    44. 

  44. 

  45. #include <err.h>
    46. 

  46. #include <stddef.h>
    47. 

  47. #include <stdio.h>
    48. 

  48. #include <stdlib.h>
    49. 

  49. #include <string.h>
    50. 

  50. 

  51. #include "ps.h"
    52. 

  52. 

  53. static VAR *findvar(char *, int, char **header);
    54. 

  54. static int  vcmp(const void *, const void *);
    55. 

  55. 

  56. /* Compute offset in common structures. */
    57. 

  57. #define	KOFF(x)	offsetof(struct kinfo_proc, x)
    58. 

  58. #define	ROFF(x)	offsetof(struct rusage, x)
    59. 

  59. 

  60. #define	LWPFMT	"d"
    61. 

  61. #define	NLWPFMT	"d"
    62. 

  62. #define	UIDFMT	"u"
    63. 

  63. #define	PIDFMT	"d"
    64. 

  64. 

  65. /* PLEASE KEEP THE TABLE BELOW SORTED ALPHABETICALLY!!! */
    66. 

  66. static VAR var[] = {
    67. 

  67. 	{"%cpu", "%CPU", NULL, 0, pcpu, 0, CHAR, NULL, 0},
    68. 

  68. 	{"%mem", "%MEM", NULL, 0, pmem, 0, CHAR, NULL, 0},
    69. 

  69. 	{"acflag", "ACFLG", NULL, 0, kvar, KOFF(ki_acflag), USHORT, "x", 0},
    70. 

  70. 	{"acflg", "", "acflag", 0, NULL, 0, CHAR, NULL, 0},
    71. 

  71. 	{"args", "COMMAND", NULL, COMM|LJUST|USER, arguments, 0,
    72. 

  72. 		CHAR, NULL, 0},
    73. 

  73. 	{"blocked", "", "sigmask", 0, NULL, 0, CHAR, NULL, 0},
    74. 

  74. 	{"caught", "", "sigcatch", 0, NULL, 0, CHAR, NULL, 0},
    75. 

  75. 	{"class", "CLASS", NULL, LJUST, loginclass, 0, CHAR, NULL, 0},
    76. 

  76. 	{"comm", "COMMAND", NULL, LJUST, ucomm, 0, CHAR, NULL, 0},
    77. 

  77. 	{"command", "COMMAND", NULL, COMM|LJUST|USER, command, 0,
    78. 

  78. 		CHAR, NULL, 0},
    79. 

  79. 	{"cow", "COW", NULL, 0, kvar, KOFF(ki_cow), UINT, "u", 0},
    80. 

  80. 	{"cpu", "CPU", NULL, 0, kvar, KOFF(ki_estcpu), UINT, "d", 0},
    81. 

  81. 	{"cputime", "", "time", 0, NULL, 0, CHAR, NULL, 0},
    82. 

  82. 	{"dsiz", "DSIZ", NULL, 0, kvar, KOFF(ki_dsize), PGTOK, "ld", 0},
    83. 

  83. 	{"egid", "", "gid", 0, NULL, 0, CHAR, NULL, 0},
    84. 

  84. 	{"egroup", "", "group", 0, NULL, 0, CHAR, NULL, 0},
    85. 

  85. 	{"emul", "EMUL", NULL, LJUST, emulname, 0, CHAR, NULL, 0},
    86. 

  86. 	{"etime", "ELAPSED", NULL, USER, elapsed, 0, CHAR, NULL, 0},
    87. 

  87. 	{"etimes", "ELAPSED", NULL, USER, elapseds, 0, CHAR, NULL, 0},
    88. 

  88. 	{"euid", "", "uid", 0, NULL, 0, CHAR, NULL, 0},
    89. 

  89. 	{"f", "F", NULL, 0, kvar, KOFF(ki_flag), INT, "x", 0},
    90. 

  90. 	{"flags", "", "f", 0, NULL, 0, CHAR, NULL, 0},
    91. 

  91. 	{"gid", "GID", NULL, 0, kvar, KOFF(ki_groups), UINT, UIDFMT, 0},
    92. 

  92. 	{"group", "GROUP", NULL, LJUST, egroupname, 0, CHAR, NULL, 0},
    93. 

  93. 	{"ignored", "", "sigignore", 0, NULL, 0, CHAR, NULL, 0},
    94. 

  94. 	{"inblk", "INBLK", NULL, USER, rvar, ROFF(ru_inblock), LONG, "ld", 0},
    95. 

  95. 	{"inblock", "", "inblk", 0, NULL, 0, CHAR, NULL, 0},
    96. 

  96. 	{"jid", "JID", NULL, 0, kvar, KOFF(ki_jid), INT, "d", 0},
    97. 

  97. 	{"jobc", "JOBC", NULL, 0, kvar, KOFF(ki_jobc), SHORT, "d", 0},
    98. 

  98. 	{"ktrace", "KTRACE", NULL, 0, kvar, KOFF(ki_traceflag), INT, "x", 0},
    99. 

  99. 	{"label", "LABEL", NULL, LJUST, label, 0, CHAR, NULL, 0},
    100. 

  100. 	{"lim", "LIM", NULL, 0, maxrss, 0, CHAR, NULL, 0},
    101. 

  101. 	{"lockname", "LOCK", NULL, LJUST, lockname, 0, CHAR, NULL, 0},
    102. 

  102. 	{"login", "LOGIN", NULL, LJUST, logname, 0, CHAR, NULL, 0},
    103. 

  103. 	{"logname", "", "login", 0, NULL, 0, CHAR, NULL, 0},
    104. 

  104. 	{"lstart", "STARTED", NULL, LJUST|USER, lstarted, 0, CHAR, NULL, 0},
    105. 

  105. 	{"lwp", "LWP", NULL, 0, kvar, KOFF(ki_tid), UINT, LWPFMT, 0},
    106. 

  106. 	{"majflt", "MAJFLT", NULL, USER, rvar, ROFF(ru_majflt), LONG, "ld", 0},
    107. 

  107. 	{"minflt", "MINFLT", NULL, USER, rvar, ROFF(ru_minflt), LONG, "ld", 0},
    108. 

  108. 	{"msgrcv", "MSGRCV", NULL, USER, rvar, ROFF(ru_msgrcv), LONG, "ld", 0},
    109. 

  109. 	{"msgsnd", "MSGSND", NULL, USER, rvar, ROFF(ru_msgsnd), LONG, "ld", 0},
    110. 

  110. 	{"mwchan", "MWCHAN", NULL, LJUST, mwchan, 0, CHAR, NULL, 0},
    111. 

  111. 	{"ni", "", "nice", 0, NULL, 0, CHAR, NULL, 0},
    112. 

  112. 	{"nice", "NI", NULL, 0, kvar, KOFF(ki_nice), CHAR, "d", 0},
    113. 

  113. 	{"nivcsw", "NIVCSW", NULL, USER, rvar, ROFF(ru_nivcsw), LONG, "ld", 0},
    114. 

  114. 	{"nlwp", "NLWP", NULL, 0, kvar, KOFF(ki_numthreads), UINT, NLWPFMT, 0},
    115. 

  115. 	{"nsignals", "", "nsigs", 0, NULL, 0, CHAR, NULL, 0},
    116. 

  116. 	{"nsigs", "NSIGS", NULL, USER, rvar, ROFF(ru_nsignals), LONG, "ld", 0},
    117. 

  117. 	{"nswap", "NSWAP", NULL, USER, rvar, ROFF(ru_nswap), LONG, "ld", 0},
    118. 

  118. 	{"nvcsw", "NVCSW", NULL, USER, rvar, ROFF(ru_nvcsw), LONG, "ld", 0},
    119. 

  119. 	{"nwchan", "NWCHAN", NULL, LJUST, nwchan, 0, CHAR, NULL, 0},
    120. 

  120. 	{"oublk", "OUBLK", NULL, USER, rvar, ROFF(ru_oublock), LONG, "ld", 0},
    121. 

  121. 	{"oublock", "", "oublk", 0, NULL, 0, CHAR, NULL, 0},
    122. 

  122. 	{"paddr", "PADDR", NULL, 0, kvar, KOFF(ki_paddr), KPTR, "lx", 0},
    123. 

  123. 	{"pagein", "PAGEIN", NULL, USER, pagein, 0, CHAR, NULL, 0},
    124. 

  124. 	{"pcpu", "", "%cpu", 0, NULL, 0, CHAR, NULL, 0},
    125. 

  125. 	{"pending", "", "sig", 0, NULL, 0, CHAR, NULL, 0},
    126. 

  126. 	{"pgid", "PGID", NULL, 0, kvar, KOFF(ki_pgid), UINT, PIDFMT, 0},
    127. 

  127. 	{"pid", "PID", NULL, 0, kvar, KOFF(ki_pid), UINT, PIDFMT, 0},
    128. 

  128. 	{"pmem", "", "%mem", 0, NULL, 0, CHAR, NULL, 0},
    129. 

  129. 	{"ppid", "PPID", NULL, 0, kvar, KOFF(ki_ppid), UINT, PIDFMT, 0},
    130. 

  130. 	{"pri", "PRI", NULL, 0, pri, 0, CHAR, NULL, 0},
    131. 

  131. 	{"re", "RE", NULL, INF127, kvar, KOFF(ki_swtime), UINT, "d", 0},
    132. 

  132. 	{"rgid", "RGID", NULL, 0, kvar, KOFF(ki_rgid), UINT, UIDFMT, 0},
    133. 

  133. 	{"rgroup", "RGROUP", NULL, LJUST, rgroupname, 0, CHAR, NULL, 0},
    134. 

  134. 	{"rss", "RSS", NULL, 0, kvar, KOFF(ki_rssize), PGTOK, "ld", 0},
    135. 

  135. 	{"rtprio", "RTPRIO", NULL, 0, priorityr, KOFF(ki_pri), CHAR, NULL, 0},
    136. 

  136. 	{"ruid", "RUID", NULL, 0, kvar, KOFF(ki_ruid), UINT, UIDFMT, 0},
    137. 

  137. 	{"ruser", "RUSER", NULL, LJUST, runame, 0, CHAR, NULL, 0},
    138. 

  138. 	{"sid", "SID", NULL, 0, kvar, KOFF(ki_sid), UINT, PIDFMT, 0},
    139. 

  139. 	{"sig", "PENDING", NULL, 0, kvar, KOFF(ki_siglist), INT, "x", 0},
    140. 

  140. 	{"sigcatch", "CAUGHT", NULL, 0, kvar, KOFF(ki_sigcatch), UINT, "x", 0},
    141. 

  141. 	{"sigignore", "IGNORED", NULL, 0, kvar, KOFF(ki_sigignore),
    142. 

  142. 		UINT, "x", 0},
    143. 

  143. 	{"sigmask", "BLOCKED", NULL, 0, kvar, KOFF(ki_sigmask), UINT, "x", 0},
    144. 

  144. 	{"sl", "SL", NULL, INF127, kvar, KOFF(ki_slptime), UINT, "d", 0},
    145. 

  145. 	{"ssiz", "SSIZ", NULL, 0, kvar, KOFF(ki_ssize), PGTOK, "ld", 0},
    146. 

  146. 	{"start", "STARTED", NULL, LJUST|USER, started, 0, CHAR, NULL, 0},
    147. 

  147. 	{"stat", "", "state", 0, NULL, 0, CHAR, NULL, 0},
    148. 

  148. 	{"state", "STAT", NULL, LJUST, state, 0, CHAR, NULL, 0},
    149. 

  149. 	{"svgid", "SVGID", NULL, 0, kvar, KOFF(ki_svgid), UINT, UIDFMT, 0},
    150. 

  150. 	{"svuid", "SVUID", NULL, 0, kvar, KOFF(ki_svuid), UINT, UIDFMT, 0},
    151. 

  151. 	{"systime", "SYSTIME", NULL, USER, systime, 0, CHAR, NULL, 0},
    152. 

  152. 	{"tdaddr", "TDADDR", NULL, 0, kvar, KOFF(ki_tdaddr), KPTR, "lx", 0},
    153. 

  153. 	{"tdev", "TDEV", NULL, 0, tdev, 0, CHAR, NULL, 0},
    154. 

  154. 	{"tdnam", "TDNAM", NULL, LJUST, tdnam, 0, CHAR, NULL, 0},
    155. 

  155. 	{"time", "TIME", NULL, USER, cputime, 0, CHAR, NULL, 0},
    156. 

  156. 	{"tpgid", "TPGID", NULL, 0, kvar, KOFF(ki_tpgid), UINT, PIDFMT, 0},
    157. 

  157. 	{"tsid", "TSID", NULL, 0, kvar, KOFF(ki_tsid), UINT, PIDFMT, 0},
    158. 

  158. 	{"tsiz", "TSIZ", NULL, 0, kvar, KOFF(ki_tsize), PGTOK, "ld", 0},
    159. 

  159. 	{"tt", "TT ", NULL, 0, tname, 0, CHAR, NULL, 0},
    160. 

  160. 	{"tty", "TTY", NULL, LJUST, longtname, 0, CHAR, NULL, 0},
    161. 

  161. 	{"ucomm", "UCOMM", NULL, LJUST, ucomm, 0, CHAR, NULL, 0},
    162. 

  162. 	{"uid", "UID", NULL, 0, kvar, KOFF(ki_uid), UINT, UIDFMT, 0},
    163. 

  163. 	{"upr", "UPR", NULL, 0, upr, 0, CHAR, NULL, 0},
    164. 

  164. 	{"uprocp", "UPROCP", NULL, 0, kvar, KOFF(ki_paddr), KPTR, "lx", 0},
    165. 

  165. 	{"user", "USER", NULL, LJUST, uname, 0, CHAR, NULL, 0},
    166. 

  166. 	{"usertime", "USERTIME", NULL, USER, usertime, 0, CHAR, NULL, 0},
    167. 

  167. 	{"usrpri", "", "upr", 0, NULL, 0, CHAR, NULL, 0},
    168. 

  168. 	{"vsize", "", "vsz", 0, NULL, 0, CHAR, NULL, 0},
    169. 

  169. 	{"vsz", "VSZ", NULL, 0, vsize, 0, CHAR, NULL, 0},
    170. 

  170. 	{"wchan", "WCHAN", NULL, LJUST, wchan, 0, CHAR, NULL, 0},
    171. 

  171. 	{"xstat", "XSTAT", NULL, 0, kvar, KOFF(ki_xstat), USHORT, "x", 0},
    172. 

  172. 	{"", NULL, NULL, 0, NULL, 0, CHAR, NULL, 0},
    173. 

  173. };
    174. 

  174. 

  175. void
    176. 

  176. showkey(void)
    177. 

  177. {
    178. 

  178. 	VAR *v;
    179. 

  179. 	int i;
    180. 

  180. 	const char *p, *sep;
    181. 

  181. 

  182. 	i = 0;
    183. 

  183. 	sep = "";
    184. 

  184. 	for (v = var; *(p = v->name); ++v) {
    185. 

  185. 		int len = strlen(p);
    186. 

  186. 		if (termwidth && (i += len + 1) > termwidth) {
    187. 

  187. 			i = len;
    188. 

  188. 			sep = "\n";
    189. 

  189. 		}
    190. 

  190. 		(void) printf("%s%s", sep, p);
    191. 

  191. 		sep = " ";
    192. 

  192. 	}
    193. 

  193. 	(void) printf("\n");
    194. 

  194. }
    195. 

  195. 

  196. void
    197. 

  197. parsefmt(const char *p, int user)
    198. 

  198. {
    199. 

  199. 	char *tempstr, *tempstr1;
    200. 

  200. 

  201. #define		FMTSEP	" \t,\n"
    202. 

  202. 	tempstr1 = tempstr = strdup(p);
    203. 

  203. 	while (tempstr && *tempstr) {
    204. 

  204. 		char *cp, *hp;
    205. 

  205. 		VAR *v;
    206. 

  206. 		struct varent *vent;
    207. 

  207. 

  208. 		/*
    209. 

  209. 		 * If an item contains an equals sign, it specifies a column
    210. 

  210. 		 * header, may contain embedded separator characters and
    211. 

  211. 		 * is always the last item.	
    212. 

  212. 		 */
    213. 

  213. 		if (tempstr[strcspn(tempstr, "="FMTSEP)] != '=')
    214. 

  214. 			while ((cp = strsep(&tempstr, FMTSEP)) != NULL &&
    215. 

  215. 			    *cp == '\0')
    216. 

  216. 				/* void */;
    217. 

  217. 		else {
    218. 

  218. 			cp = tempstr;
    219. 

  219. 			tempstr = NULL;
    220. 

  220. 		}
    221. 

  221. 		if (cp == NULL || !(v = findvar(cp, user, &hp)))
    222. 

  222. 			continue;
    223. 

  223. 		if (!user) {
    224. 

  224. 			/*
    225. 

  225. 			 * If the user is NOT adding this field manually,
    226. 

  226. 			 * get on with our lives if this VAR is already
    227. 

  227. 			 * represented in the list.
    228. 

  228. 			 */
    229. 

  229. 			vent = find_varentry(v);
    230. 

  230. 			if (vent != NULL)
    231. 

  231. 				continue;
    232. 

  232. 		}
    233. 

  233. 		if ((vent = malloc(sizeof(struct varent))) == NULL)
    234. 

  234. 			errx(1, "malloc failed");
    235. 

  235. 		vent->header = v->header;
    236. 

  236. 		if (hp) {
    237. 

  237. 			hp = strdup(hp);
    238. 

  238. 			if (hp)
    239. 

  239. 				vent->header = hp;
    240. 

  240. 		}
    241. 

  241. 		vent->var = malloc(sizeof(*vent->var));
    242. 

  242. 		if (vent->var == NULL)
    243. 

  243. 			errx(1, "malloc failed");
    244. 

  244. 		memcpy(vent->var, v, sizeof(*vent->var));
    245. 

  245. 		STAILQ_INSERT_TAIL(&varlist, vent, next_ve);
    246. 

  246. 	}
    247. 

  247. 	free(tempstr1);
    248. 

  248. 	if (STAILQ_EMPTY(&varlist)) {
    249. 

  249. 		warnx("no valid keywords; valid keywords:");
    250. 

  250. 		showkey();
    251. 

  251. 		exit(1);
    252. 

  252. 	}
    253. 

  253. }
    254. 

  254. 

  255. static VAR *
    256. 

  256. findvar(char *p, int user, char **header)
    257. 

  257. {
    258. 

  258. 	size_t rflen;
    259. 

  259. 	VAR *v, key;
    260. 

  260. 	char *hp, *realfmt;
    261. 

  261. 

  262. 	hp = strchr(p, '=');
    263. 

  263. 	if (hp)
    264. 

  264. 		*hp++ = '\0';
    265. 

  265. 

  266. 	key.name = p;
    267. 

  267. 	v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
    268. 

  268. 

  269. 	if (v && v->alias) {
    270. 

  270. 		/*
    271. 

  271. 		 * If the user specified an alternate-header for this
    272. 

  272. 		 * (aliased) format-name, then we need to copy that
    273. 

  273. 		 * alternate-header when making the recursive call to
    274. 

  274. 		 * process the alias.
    275. 

  275. 		 */
    276. 

  276. 		if (hp == NULL)
    277. 

  277. 			parsefmt(v->alias, user);
    278. 

  278. 		else {
    279. 

  279. 			/*
    280. 

  280. 			 * XXX - This processing will not be correct for
    281. 

  281. 			 * any alias which expands into a list of format
    282. 

  282. 			 * keywords.  Presently there are no aliases
    283. 

  283. 			 * which do that.
    284. 

  284. 			 */
    285. 

  285. 			rflen = strlen(v->alias) + strlen(hp) + 2;
    286. 

  286. 			realfmt = malloc(rflen);
    287. 

  287. 			if (realfmt == NULL)
    288. 

  288. 				errx(1, "malloc failed");
    289. 

  289. 			snprintf(realfmt, rflen, "%s=%s", v->alias, hp);
    290. 

  290. 			parsefmt(realfmt, user);
    291. 

  291. 			free(realfmt);
    292. 

  292. 		}
    293. 

  293. 		return ((VAR *)NULL);
    294. 

  294. 	}
    295. 

  295. 	if (!v) {
    296. 

  296. 		warnx("%s: keyword not found", p);
    297. 

  297. 		eval = 1;
    298. 

  298. 	}
    299. 

  299. 	if (header)
    300. 

  300. 		*header = hp;
    301. 

  301. 	return (v);
    302. 

  302. }
    303. 

  303. 

  304. static int
    305. 

  305. vcmp(const void *a, const void *b)
    306. 

  306. {
    307. 

  307.         return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name));
    308. 

  308. }
    309.