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mirror of https://git.FreeBSD.org/src.git synced 2024-12-26 11:47:31 +00:00
freebsd/sys/ddb/db_ps.c
1994-09-28 19:16:24 +00:00

81 lines
2.8 KiB
C

/*-
* Copyright (c) 1993 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.
*
* $Id: db_ps.c,v 1.2 1994/09/27 20:35:55 phk Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <ddb/ddb.h>
#include <machine/cons.h>
void
db_ps() {
int np;
int nl = 0;
volatile struct proc *ap, *p, *pp;
np = nprocs;
p = ap = allproc;
db_printf(" pid proc addr uid ppid pgrp flag stat comm wchan\n");
while (--np >= 0) {
/*
* XXX just take 20 for now...
*/
if (nl++ == 20) {
db_printf("--More--");
cngetc();
db_printf("\r");
nl = 0;
}
pp = p->p_pptr;
if (pp == 0)
pp = p;
if (p->p_stat) {
db_printf("%5d %06x %06x %3d %5d %5d %06x %d %s ",
p->p_pid, ap, p->p_addr, p->p_cred->p_ruid, pp->p_pid,
p->p_pgrp->pg_id, p->p_flag, p->p_stat,
p->p_comm);
if (p->p_wchan) {
if (p->p_wmesg)
db_printf("%s ", p->p_wmesg);
db_printf("%x", p->p_wchan);
}
db_printf("\n");
}
ap = p->p_next;
if (ap == 0 && np > 0)
ap = zombproc;
p = ap;
}
}