mirror of
https://git.FreeBSD.org/src.git
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e2c9ac698c
This is what the manual page says ps should do, and what OpenBSD and NetBSD do. Based on a patch from Ken Stailey. PR: 27433, 46232
807 lines
16 KiB
C
807 lines
16 KiB
C
/*-
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/proc.h>
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#include <sys/stat.h>
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#include <sys/mac.h>
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#include <sys/user.h>
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#include <sys/sysctl.h>
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#include <err.h>
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#include <grp.h>
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#include <langinfo.h>
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#include <locale.h>
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#include <math.h>
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#include <nlist.h>
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#include <pwd.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <vis.h>
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#include "ps.h"
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#define ps_pgtok(a) (((a) * getpagesize()) / 1024)
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void
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printheader(void)
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{
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VAR *v;
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struct varent *vent;
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int allempty;
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allempty = 1;
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for (vent = vhead; vent; vent = vent->next)
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if (*vent->header != '\0') {
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allempty = 0;
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break;
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}
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if (allempty)
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return;
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for (vent = vhead; vent; vent = vent->next) {
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v = vent->var;
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if (v->flag & LJUST) {
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if (vent->next == NULL) /* last one */
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(void)printf("%s", vent->header);
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else
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(void)printf("%-*s", v->width, vent->header);
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} else
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(void)printf("%*s", v->width, vent->header);
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if (vent->next != NULL)
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(void)putchar(' ');
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}
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(void)putchar('\n');
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}
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void
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arguments(KINFO *k, VARENT *ve)
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{
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VAR *v;
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int left;
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char *cp, *vis_args;
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v = ve->var;
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if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
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errx(1, "malloc failed");
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strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
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if (ve->next == NULL) {
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/* last field */
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if (termwidth == UNLIMITED) {
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(void)printf("%s", vis_args);
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} else {
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left = termwidth - (totwidth - v->width);
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if (left < 1) /* already wrapped, just use std width */
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left = v->width;
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for (cp = vis_args; --left >= 0 && *cp != '\0';)
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(void)putchar(*cp++);
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}
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} else {
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(void)printf("%-*.*s", v->width, v->width, vis_args);
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}
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free(vis_args);
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}
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void
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command(KINFO *k, VARENT *ve)
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{
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VAR *v;
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int left;
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char *cp, *vis_env, *vis_args;
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v = ve->var;
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if (cflag) {
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if (ve->next == NULL) /* last field, don't pad */
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(void)printf("%s", k->ki_p->ki_comm);
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else
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(void)printf("%-*s", v->width, k->ki_p->ki_comm);
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return;
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}
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if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
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errx(1, "malloc failed");
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strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
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if (k->ki_env) {
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if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
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errx(1, "malloc failed");
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strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
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} else
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vis_env = NULL;
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if (ve->next == NULL) {
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/* last field */
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if (termwidth == UNLIMITED) {
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if (vis_env)
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(void)printf("%s ", vis_env);
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(void)printf("%s", vis_args);
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} else {
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left = termwidth - (totwidth - v->width);
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if (left < 1) /* already wrapped, just use std width */
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left = v->width;
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if ((cp = vis_env) != NULL) {
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while (--left >= 0 && *cp)
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(void)putchar(*cp++);
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if (--left >= 0)
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putchar(' ');
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}
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for (cp = vis_args; --left >= 0 && *cp != '\0';)
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(void)putchar(*cp++);
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}
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} else
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/* XXX env? */
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(void)printf("%-*.*s", v->width, v->width, vis_args);
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free(vis_args);
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if (vis_env != NULL)
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free(vis_env);
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}
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void
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ucomm(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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(void)printf("%-*s", v->width, k->ki_p->ki_comm);
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}
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void
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logname(KINFO *k, VARENT *ve)
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{
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VAR *v;
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char *s;
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v = ve->var;
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(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
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}
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void
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state(KINFO *k, VARENT *ve)
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{
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int flag, sflag, tdflags;
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char *cp;
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VAR *v;
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char buf[16];
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v = ve->var;
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flag = k->ki_p->ki_flag;
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sflag = k->ki_p->ki_sflag;
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tdflags = k->ki_p->ki_tdflags; /* XXXKSE */
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cp = buf;
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switch (k->ki_p->ki_stat) {
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case SSTOP:
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*cp = 'T';
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break;
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case SSLEEP:
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if (tdflags & TDF_SINTR) /* interruptable (long) */
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*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
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else
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*cp = 'D';
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break;
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case SRUN:
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case SIDL:
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*cp = 'R';
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break;
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case SWAIT:
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*cp = 'W';
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break;
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case SLOCK:
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*cp = 'L';
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break;
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case SZOMB:
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*cp = 'Z';
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break;
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default:
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*cp = '?';
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}
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cp++;
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if (!(sflag & PS_INMEM))
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*cp++ = 'W';
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if (k->ki_p->ki_nice < NZERO)
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*cp++ = '<';
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else if (k->ki_p->ki_nice > NZERO)
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*cp++ = 'N';
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if (flag & P_TRACED)
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*cp++ = 'X';
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if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
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*cp++ = 'E';
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if (flag & P_PPWAIT)
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*cp++ = 'V';
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if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
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*cp++ = 'L';
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if (k->ki_p->ki_kiflag & KI_SLEADER)
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*cp++ = 's';
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if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
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*cp++ = '+';
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if (flag & P_JAILED)
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*cp++ = 'J';
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*cp = '\0';
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(void)printf("%-*s", v->width, buf);
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}
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void
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pri(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
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}
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void
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uname(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
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}
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int
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s_uname(KINFO *k)
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{
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return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
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}
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void
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rgroupname(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
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}
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int
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s_rgroupname(KINFO *k)
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{
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return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
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}
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void
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runame(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
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}
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int
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s_runame(KINFO *k)
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{
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return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
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}
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void
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tdev(KINFO *k, VARENT *ve)
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{
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VAR *v;
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dev_t dev;
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char buff[16];
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v = ve->var;
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dev = k->ki_p->ki_tdev;
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if (dev == NODEV)
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(void)printf("%*s", v->width, "??");
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else {
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(void)snprintf(buff, sizeof(buff),
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"%d/%d", major(dev), minor(dev));
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(void)printf("%*s", v->width, buff);
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}
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}
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void
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tname(KINFO *k, VARENT *ve)
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{
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VAR *v;
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dev_t dev;
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char *ttname;
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v = ve->var;
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dev = k->ki_p->ki_tdev;
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if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
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(void)printf("%*s ", v->width-1, "??");
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else {
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if (strncmp(ttname, "tty", 3) == 0 ||
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strncmp(ttname, "cua", 3) == 0)
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ttname += 3;
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(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
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k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
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}
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}
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void
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longtname(KINFO *k, VARENT *ve)
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{
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VAR *v;
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dev_t dev;
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char *ttname;
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v = ve->var;
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dev = k->ki_p->ki_tdev;
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if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
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(void)printf("%-*s", v->width, "??");
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else
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(void)printf("%-*s", v->width, ttname);
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}
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void
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started(KINFO *k, VARENT *ve)
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{
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VAR *v;
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time_t then;
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struct tm *tp;
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char buf[100];
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static int use_ampm = -1;
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v = ve->var;
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if (!k->ki_valid) {
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(void)printf("%-*s", v->width, "-");
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return;
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}
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if (use_ampm < 0)
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use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
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then = k->ki_p->ki_start.tv_sec;
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tp = localtime(&then);
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if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
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(void)strftime(buf, sizeof(buf) - 1,
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use_ampm ? "%l:%M%p" : "%k:%M ", tp);
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} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
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(void)strftime(buf, sizeof(buf) - 1,
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use_ampm ? "%a%I%p" : "%a%H ", tp);
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} else
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(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
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(void)printf("%-*s", v->width, buf);
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}
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void
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lstarted(KINFO *k, VARENT *ve)
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{
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VAR *v;
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time_t then;
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char buf[100];
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v = ve->var;
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if (!k->ki_valid) {
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(void)printf("%-*s", v->width, "-");
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return;
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}
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then = k->ki_p->ki_start.tv_sec;
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(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
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(void)printf("%-*s", v->width, buf);
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}
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void
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lockname(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
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if (k->ki_p->ki_lockname[0] != 0)
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(void)printf("%-*.*s", v->width, v->width,
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k->ki_p->ki_lockname);
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else
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(void)printf("%-*s", v->width, "???");
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} else
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(void)printf("%-*s", v->width, "-");
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}
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void
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wchan(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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if (k->ki_p->ki_wchan) {
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if (k->ki_p->ki_wmesg[0] != 0)
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(void)printf("%-*.*s", v->width, v->width,
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k->ki_p->ki_wmesg);
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else
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(void)printf("%-*lx", v->width,
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(long)k->ki_p->ki_wchan);
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} else {
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(void)printf("%-*s", v->width, "-");
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}
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}
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void
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mwchan(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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if (k->ki_p->ki_wchan) {
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if (k->ki_p->ki_wmesg[0] != 0)
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(void)printf("%-*.*s", v->width, v->width,
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k->ki_p->ki_wmesg);
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else
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(void)printf("%-*lx", v->width,
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(long)k->ki_p->ki_wchan);
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} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
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if (k->ki_p->ki_lockname[0]) {
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(void)printf("%-*.*s", v->width, v->width,
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k->ki_p->ki_lockname);
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} else {
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(void)printf("%-*s", v->width, "???");
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}
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} else {
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(void)printf("%-*s", v->width, "-");
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}
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}
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void
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vsize(KINFO *k, VARENT *ve)
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{
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VAR *v;
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v = ve->var;
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(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
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}
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void
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cputime(KINFO *k, VARENT *ve)
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{
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VAR *v;
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long secs;
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long psecs; /* "parts" of a second. first micro, then centi */
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char obuff[128];
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static char decimal_point = 0;
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if (!decimal_point)
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decimal_point = localeconv()->decimal_point[0];
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v = ve->var;
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if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
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secs = 0;
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psecs = 0;
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} else {
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/*
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* This counts time spent handling interrupts. We could
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* fix this, but it is not 100% trivial (and interrupt
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* time fractions only work on the sparc anyway). XXX
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*/
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secs = k->ki_p->ki_runtime / 1000000;
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psecs = k->ki_p->ki_runtime % 1000000;
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if (sumrusage) {
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secs += k->ki_p->ki_childtime.tv_sec;
|
|
psecs += k->ki_p->ki_childtime.tv_usec;
|
|
}
|
|
/*
|
|
* round and scale to 100's
|
|
*/
|
|
psecs = (psecs + 5000) / 10000;
|
|
secs += psecs / 100;
|
|
psecs = psecs % 100;
|
|
}
|
|
(void)snprintf(obuff, sizeof(obuff),
|
|
"%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs);
|
|
(void)printf("%*s", v->width, obuff);
|
|
}
|
|
|
|
void
|
|
elapsed(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
time_t days, hours, mins, secs;
|
|
char obuff[128];
|
|
|
|
v = ve->var;
|
|
|
|
secs = now - k->ki_p->ki_start.tv_sec;
|
|
days = secs/(24*60*60);
|
|
secs %= (24*60*60);
|
|
hours = secs/(60*60);
|
|
secs %= (60*60);
|
|
mins = secs/60;
|
|
secs %= 60;
|
|
if (days != 0) {
|
|
(void)snprintf(obuff, sizeof(obuff), "%3ld-%02ld:%02ld:%02ld",
|
|
(long)days, (long)hours, (long)mins, (long)secs);
|
|
}
|
|
else if (hours != 0) {
|
|
(void)snprintf(obuff, sizeof(obuff), "%02ld:%02ld:%02ld",
|
|
(long)hours, (long)mins, (long)secs);
|
|
}
|
|
else {
|
|
(void)snprintf(obuff, sizeof(obuff), "%02ld:%02ld",
|
|
(long)mins, (long)secs);
|
|
}
|
|
(void)printf("%*s", v->width, obuff);
|
|
}
|
|
|
|
double
|
|
getpcpu(const KINFO *k)
|
|
{
|
|
static int failure;
|
|
|
|
if (!nlistread)
|
|
failure = donlist();
|
|
if (failure)
|
|
return (0.0);
|
|
|
|
#define fxtofl(fixpt) ((double)(fixpt) / fscale)
|
|
|
|
/* XXX - I don't like this */
|
|
if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
|
|
return (0.0);
|
|
if (rawcpu)
|
|
return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
|
|
return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
|
|
(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
|
|
}
|
|
|
|
void
|
|
pcpu(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
(void)printf("%*.1f", v->width, getpcpu(k));
|
|
}
|
|
|
|
static double
|
|
getpmem(KINFO *k)
|
|
{
|
|
static int failure;
|
|
double fracmem;
|
|
|
|
if (!nlistread)
|
|
failure = donlist();
|
|
if (failure)
|
|
return (0.0);
|
|
|
|
if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
|
|
return (0.0);
|
|
/* XXX want pmap ptpages, segtab, etc. (per architecture) */
|
|
/* XXX don't have info about shared */
|
|
fracmem = ((float)k->ki_p->ki_rssize)/mempages;
|
|
return (100.0 * fracmem);
|
|
}
|
|
|
|
void
|
|
pmem(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
(void)printf("%*.1f", v->width, getpmem(k));
|
|
}
|
|
|
|
void
|
|
pagein(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
(void)printf("%*ld", v->width,
|
|
k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
maxrss(KINFO *k __unused, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
/* XXX not yet */
|
|
(void)printf("%*s", v->width, "-");
|
|
}
|
|
|
|
void
|
|
priorityr(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
struct priority *lpri;
|
|
char str[8];
|
|
unsigned class, level;
|
|
|
|
v = ve->var;
|
|
lpri = (struct priority *) ((char *)k + v->off);
|
|
class = lpri->pri_class;
|
|
level = lpri->pri_level;
|
|
switch (class) {
|
|
case PRI_REALTIME:
|
|
snprintf(str, sizeof(str), "real:%u", level);
|
|
break;
|
|
case PRI_TIMESHARE:
|
|
strncpy(str, "normal", sizeof(str));
|
|
break;
|
|
case PRI_IDLE:
|
|
snprintf(str, sizeof(str), "idle:%u", level);
|
|
break;
|
|
default:
|
|
snprintf(str, sizeof(str), "%u:%u", class, level);
|
|
break;
|
|
}
|
|
str[sizeof(str) - 1] = '\0';
|
|
(void)printf("%*s", v->width, str);
|
|
}
|
|
|
|
/*
|
|
* Generic output routines. Print fields from various prototype
|
|
* structures.
|
|
*/
|
|
static void
|
|
printval(void *bp, VAR *v)
|
|
{
|
|
static char ofmt[32] = "%";
|
|
const char *fcp;
|
|
char *cp;
|
|
|
|
cp = ofmt + 1;
|
|
fcp = v->fmt;
|
|
if (v->flag & LJUST)
|
|
*cp++ = '-';
|
|
*cp++ = '*';
|
|
while ((*cp++ = *fcp++));
|
|
|
|
#define CHKINF127(n) (((n) > 127) && (v->flag & INF127) ? 127 : (n))
|
|
|
|
switch (v->type) {
|
|
case CHAR:
|
|
(void)printf(ofmt, v->width, *(char *)bp);
|
|
break;
|
|
case UCHAR:
|
|
(void)printf(ofmt, v->width, *(u_char *)bp);
|
|
break;
|
|
case SHORT:
|
|
(void)printf(ofmt, v->width, *(short *)bp);
|
|
break;
|
|
case USHORT:
|
|
(void)printf(ofmt, v->width, *(u_short *)bp);
|
|
break;
|
|
case INT:
|
|
(void)printf(ofmt, v->width, *(int *)bp);
|
|
break;
|
|
case UINT:
|
|
(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
|
|
break;
|
|
case LONG:
|
|
(void)printf(ofmt, v->width, *(long *)bp);
|
|
break;
|
|
case ULONG:
|
|
(void)printf(ofmt, v->width, *(u_long *)bp);
|
|
break;
|
|
case KPTR:
|
|
(void)printf(ofmt, v->width, *(u_long *)bp);
|
|
break;
|
|
case PGTOK:
|
|
(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
|
|
break;
|
|
default:
|
|
errx(1, "unknown type %d", v->type);
|
|
}
|
|
}
|
|
|
|
void
|
|
kvar(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
printval((char *)((char *)k->ki_p + v->off), v);
|
|
}
|
|
|
|
void
|
|
rvar(KINFO *k, VARENT *ve)
|
|
{
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
if (k->ki_valid)
|
|
printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
|
|
else
|
|
(void)printf("%*s", v->width, "-");
|
|
}
|
|
|
|
void
|
|
label(KINFO *k, VARENT *ve)
|
|
{
|
|
char *string;
|
|
mac_t proclabel;
|
|
int error;
|
|
VAR *v;
|
|
|
|
v = ve->var;
|
|
string = NULL;
|
|
|
|
if (mac_prepare_process_label(&proclabel) == -1) {
|
|
perror("mac_prepare_process_label");
|
|
goto out;
|
|
}
|
|
|
|
error = mac_get_pid(k->ki_p->ki_pid, proclabel);
|
|
if (error == 0) {
|
|
if (mac_to_text(proclabel, &string) == -1)
|
|
string = NULL;
|
|
}
|
|
mac_free(proclabel);
|
|
|
|
out:
|
|
if (string != NULL) {
|
|
(void)printf("%-*s", v->width, string);
|
|
free(string);
|
|
} else
|
|
(void)printf("%-*s", v->width, "");
|
|
return;
|
|
}
|
|
|
|
int
|
|
s_label(KINFO *k)
|
|
{
|
|
char *string = NULL;
|
|
mac_t proclabel;
|
|
int error, size = 0;
|
|
|
|
if (mac_prepare_process_label(&proclabel) == -1) {
|
|
perror("mac_prepare_process_label");
|
|
return (0);
|
|
}
|
|
error = mac_get_pid(k->ki_p->ki_pid, proclabel);
|
|
if (error == 0 && mac_to_text(proclabel, &string) == 0) {
|
|
size = strlen(string);
|
|
free(string);
|
|
}
|
|
mac_free(proclabel);
|
|
return (size);
|
|
}
|