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freebsd-skq/bin/ps/keyword.c
harti a45a05930d Implement the nwchan keyword that has been in the man page, but was 
not implemented. This is just handy if you want to ddb the address
some process is waiting on.
2003-08-13 07:35:07 +00:00

328 lines
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/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/proc.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ps.h"
static VAR *findvar(char *, int, char **header);
static int vcmp(const void *, const void *);
/* Compute offset in common structures. */
#define KOFF(x) offsetof(struct kinfo_proc, x)
#define ROFF(x) offsetof(struct rusage, x)
#define UIDFMT "u"
#define UIDLEN 5
#define PIDFMT "d"
#define PIDLEN 5
#define USERLEN (MAXLOGNAME - 1)
/* PLEASE KEEP THE TABLE BELOW SORTED ALPHABETICALLY!!! */
static VAR var[] = {
{"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4, 0, CHAR, NULL, 0},
{"%mem", "%MEM", NULL, 0, pmem, NULL, 4, 0, CHAR, NULL, 0},
{"acflag", "ACFLG", NULL, 0, kvar, NULL, 3, KOFF(ki_acflag), USHORT,
"x", 0},
{"acflg", "", "acflag", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"args", "COMMAND", NULL, COMM|LJUST|USER, arguments, NULL, 16, 0,
CHAR, NULL, 0},
{"blocked", "", "sigmask", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"caught", "", "sigcatch", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"comm", "COMMAND", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR,
NULL, 0},
{"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0,
CHAR, NULL, 0},
{"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d",
0},
{"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"etime", "ELAPSED", NULL, USER, elapsed, NULL, 12, 0, CHAR, NULL, 0},
{"f", "F", NULL, 0, kvar, NULL, 7, KOFF(ki_flag), INT, "x", 0},
{"flags", "", "f", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"inblk", "INBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG,
"ld", 0},
{"inblock", "", "inblk", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"jobc", "JOBC", NULL, 0, kvar, NULL, 4, KOFF(ki_jobc), SHORT, "d",
0},
{"ktrace", "KTRACE", NULL, 0, kvar, NULL, 8, KOFF(ki_traceflag), INT,
"x", 0},
{"label", "LABEL", NULL, LJUST|DSIZ, label, s_label, SHRT_MAX, 0, CHAR,
NULL, 0},
{"lim", "LIM", NULL, 0, maxrss, NULL, 5, 0, CHAR, NULL, 0},
{"lockname", "LOCK", NULL, LJUST, lockname, NULL, 6, 0, CHAR, NULL,
0},
{"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1, 0, CHAR,
NULL, 0},
{"logname", "", "login", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28, 0, CHAR,
NULL, 0},
{"majflt", "MAJFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_majflt),
LONG, "ld", 0},
{"minflt", "MINFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_minflt),
LONG, "ld", 0},
{"msgrcv", "MSGRCV", NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv),
LONG, "ld", 0},
{"msgsnd", "MSGSND", NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd),
LONG, "ld", 0},
{"mwchan", "MWCHAN", NULL, LJUST, mwchan, NULL, 6, 0, CHAR, NULL, 0},
{"ni", "", "nice", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"nice", "NI", NULL, 0, kvar, NULL, 2, KOFF(ki_nice), CHAR, "d",
0},
{"nivcsw", "NIVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw),
LONG, "ld", 0},
{"nsignals", "", "nsigs", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"nsigs", "NSIGS", NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals),
LONG, "ld", 0},
{"nswap", "NSWAP", NULL, USER, rvar, NULL, 4, ROFF(ru_nswap),
LONG, "ld", 0},
{"nvcsw", "NVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw),
LONG, "ld", 0},
{"nwchan", "NWCHAN", NULL, LJUST, nwchan, NULL, 8, 0, CHAR, NULL, 0},
{"oublk", "OUBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_oublock),
LONG, "ld", 0},
{"oublock", "", "oublk", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"paddr", "PADDR", NULL, 0, kvar, NULL, 8, KOFF(ki_paddr), KPTR,
"lx", 0},
{"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6, 0, CHAR, NULL, 0},
{"pcpu", "", "%cpu", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"pending", "", "sig", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"pgid", "PGID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pgid), UINT,
PIDFMT, 0},
{"pid", "PID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pid), UINT,
PIDFMT, 0},
{"pmem", "", "%mem", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"ppid", "PPID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_ppid), UINT,
PIDFMT, 0},
{"pri", "PRI", NULL, 0, pri, NULL, 3, 0, CHAR, NULL, 0},
{"re", "RE", NULL, INF127, kvar, NULL, 3, KOFF(ki_swtime), UINT, "d",
0},
{"rgid", "RGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_rgid),
UINT, UIDFMT, 0},
{"rgroup", "RGROUP", NULL, LJUST|DSIZ, rgroupname, s_rgroupname,
USERLEN, 0, CHAR, NULL, 0},
{"rss", "RSS", NULL, 0, kvar, NULL, 4, KOFF(ki_rssize), PGTOK, "ld", 0},
{"rtprio", "RTPRIO", NULL, 0, priorityr, NULL, 7, KOFF(ki_pri), CHAR,
NULL, 0},
{"ruid", "RUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_ruid),
UINT, UIDFMT, 0},
{"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN,
0, CHAR, NULL, 0},
{"sid", "SID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_sid), UINT,
PIDFMT, 0},
{"sig", "PENDING", NULL, 0, kvar, NULL, 8, KOFF(ki_siglist), INT,
"x", 0},
{"sigcatch", "CAUGHT", NULL, 0, kvar, NULL, 8, KOFF(ki_sigcatch),
UINT, "x", 0},
{"sigignore", "IGNORED", NULL, 0, kvar, NULL, 8, KOFF(ki_sigignore),
UINT, "x", 0},
{"sigmask", "BLOCKED", NULL, 0, kvar, NULL, 8, KOFF(ki_sigmask),
UINT, "x", 0},
{"sl", "SL", NULL, INF127, kvar, NULL, 3, KOFF(ki_slptime), UINT, "d",
0},
{"start", "STARTED", NULL, LJUST|USER, started, NULL, 7, 0, CHAR, NULL,
0},
{"stat", "", "state", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"state", "STAT", NULL, 0, state, NULL, 4, 0, CHAR, NULL, 0},
{"svgid", "SVGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_svgid),
UINT, UIDFMT, 0},
{"svuid", "SVUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_svuid),
UINT, UIDFMT, 0},
{"tdev", "TDEV", NULL, 0, tdev, NULL, 4, 0, CHAR, NULL, 0},
{"time", "TIME", NULL, USER, cputime, NULL, 9, 0, CHAR, NULL, 0},
{"tpgid", "TPGID", NULL, 0, kvar, NULL, 4, KOFF(ki_tpgid), UINT,
PIDFMT, 0},
{"tsid", "TSID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_tsid), UINT,
PIDFMT, 0},
{"tsiz", "TSIZ", NULL, 0, kvar, NULL, 4, KOFF(ki_tsize), PGTOK, "ld", 0},
{"tt", "TT ", NULL, 0, tname, NULL, 4, 0, CHAR, NULL, 0},
{"tty", "TTY", NULL, LJUST, longtname, NULL, 8, 0, CHAR, NULL, 0},
{"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR, NULL,
0},
{"uid", "UID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_uid), UINT,
UIDFMT, 0},
{"upr", "UPR", NULL, 0, kvar, NULL, 3, KOFF(ki_pri.pri_user), UCHAR,
"d", 0},
{"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN, 0, CHAR,
NULL, 0},
{"usrpri", "", "upr", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"vsize", "", "vsz", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"vsz", "VSZ", NULL, 0, vsize, NULL, 5, 0, CHAR, NULL, 0},
{"wchan", "WCHAN", NULL, LJUST, wchan, NULL, 6, 0, CHAR, NULL, 0},
{"xstat", "XSTAT", NULL, 0, kvar, NULL, 4, KOFF(ki_xstat), USHORT,
"x", 0},
{"", NULL, NULL, 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
};
void
showkey(void)
{
VAR *v;
int i;
const char *p, *sep;
i = 0;
sep = "";
for (v = var; *(p = v->name); ++v) {
int len = strlen(p);
if (termwidth && (i += len + 1) > termwidth) {
i = len;
sep = "\n";
}
(void) printf("%s%s", sep, p);
sep = " ";
}
(void) printf("\n");
}
void
parsefmt(const char *p, int user)
{
static struct varent *vtail;
char *tempstr, *tempstr1;
#define FMTSEP " \t,\n"
tempstr1 = tempstr = strdup(p);
while (tempstr && *tempstr) {
char *cp, *hp;
VAR *v;
struct varent *vent;
/*
* If an item contains an equals sign, it specifies a column
* header, may contain embedded separator characters and
* is always the last item.
*/
if (tempstr[strcspn(tempstr, "="FMTSEP)] != '=')
while ((cp = strsep(&tempstr, FMTSEP)) != NULL &&
*cp == '\0')
/* void */;
else {
cp = tempstr;
tempstr = NULL;
}
if (cp == NULL || !(v = findvar(cp, user, &hp)))
continue;
if (!user) {
/*
* If the user is NOT adding this field manually,
* get on with our lives if this VAR is already
* represented in the list.
*/
vent = find_varentry(v);
if (vent != NULL)
continue;
}
if ((vent = malloc(sizeof(struct varent))) == NULL)
errx(1, "malloc failed");
vent->header = v->header;
if (hp) {
hp = strdup(hp);
if (hp)
vent->header = hp;
}
vent->var = malloc(sizeof(*vent->var));
if (vent->var == NULL)
errx(1, "malloc failed");
memcpy(vent->var, v, sizeof(*vent->var));
vent->next = NULL;
if (vhead == NULL)
vhead = vtail = vent;
else {
vtail->next = vent;
vtail = vent;
}
}
free(tempstr1);
if (!vhead) {
warnx("no valid keywords; valid keywords:");
showkey();
exit(1);
}
}
static VAR *
findvar(char *p, int user, char **header)
{
VAR *v, key;
char *hp;
hp = strchr(p, '=');
if (hp)
*hp++ = '\0';
key.name = p;
v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
if (v && v->alias) {
if (hp) {
warnx("%s: illegal keyword specification", p);
eval = 1;
}
parsefmt(v->alias, user);
return ((VAR *)NULL);
}
if (!v) {
warnx("%s: keyword not found", p);
eval = 1;
}
if (header)
*header = hp;
return (v);
}
static int
vcmp(const void *a, const void *b)
{
return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name));
}
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