145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
/*
|
|
* Copyright (c) 1993 Jan-Simon Pendry
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Jan-Simon Pendry.
|
|
*
|
|
* 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.
|
|
*
|
|
* @(#)procfs_status.c 8.3 (Berkeley) 2/17/94
|
|
*
|
|
* $Id: procfs_status.c,v 1.3 1994/10/10 07:55:38 phk Exp $
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/time.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/resourcevar.h>
|
|
#include <miscfs/procfs/procfs.h>
|
|
|
|
int
|
|
procfs_dostatus(curp, p, pfs, uio)
|
|
struct proc *curp;
|
|
struct proc *p;
|
|
struct pfsnode *pfs;
|
|
struct uio *uio;
|
|
{
|
|
struct session *sess;
|
|
struct tty *tp;
|
|
struct ucred *cr;
|
|
char *ps;
|
|
char *sep;
|
|
int pid, ppid, pgid, sid;
|
|
int i;
|
|
int xlen;
|
|
int error;
|
|
char psbuf[256]; /* XXX - conservative */
|
|
|
|
if (uio->uio_rw != UIO_READ)
|
|
return (EOPNOTSUPP);
|
|
|
|
pid = p->p_pid;
|
|
ppid = p->p_pptr ? p->p_pptr->p_pid : 0,
|
|
pgid = p->p_pgrp->pg_id;
|
|
sess = p->p_pgrp->pg_session;
|
|
sid = sess->s_leader ? sess->s_leader->p_pid : 0;
|
|
|
|
/* comm pid ppid pgid sid maj,min ctty,sldr start ut st wmsg uid groups ... */
|
|
|
|
ps = psbuf;
|
|
bcopy(p->p_comm, ps, MAXCOMLEN);
|
|
ps[MAXCOMLEN] = '\0';
|
|
ps += strlen(ps);
|
|
ps += sprintf(ps, " %d %d %d %d ", pid, ppid, pgid, sid);
|
|
|
|
if ((p->p_flag&P_CONTROLT) && (tp = sess->s_ttyp))
|
|
ps += sprintf(ps, "%d,%d ", major(tp->t_dev), minor(tp->t_dev));
|
|
else
|
|
ps += sprintf(ps, "%d,%d ", -1, -1);
|
|
|
|
sep = "";
|
|
if (sess->s_ttyvp) {
|
|
ps += sprintf(ps, "%sctty", sep);
|
|
sep = ",";
|
|
}
|
|
if (SESS_LEADER(p)) {
|
|
ps += sprintf(ps, "%ssldr", sep);
|
|
sep = ",";
|
|
}
|
|
if (*sep != ',')
|
|
ps += sprintf(ps, "noflags");
|
|
|
|
if (p->p_flag & P_INMEM)
|
|
ps += sprintf(ps, " %ld,%ld",
|
|
p->p_stats->p_start.tv_sec,
|
|
p->p_stats->p_start.tv_usec);
|
|
else
|
|
ps += sprintf(ps, " -1,-1");
|
|
|
|
{
|
|
struct timeval ut, st;
|
|
|
|
calcru(p, &ut, &st, (void *) 0);
|
|
ps += sprintf(ps, " %ld,%ld %ld,%ld",
|
|
ut.tv_sec,
|
|
ut.tv_usec,
|
|
st.tv_sec,
|
|
st.tv_usec);
|
|
}
|
|
|
|
ps += sprintf(ps, " %s",
|
|
(p->p_wchan && p->p_wmesg) ? p->p_wmesg : "nochan");
|
|
|
|
cr = p->p_ucred;
|
|
|
|
ps += sprintf(ps, " %ld %ld", cr->cr_uid, cr->cr_gid);
|
|
for (i = 0; i < cr->cr_ngroups; i++)
|
|
ps += sprintf(ps, ",%ld", cr->cr_groups[i]);
|
|
ps += sprintf(ps, "\n");
|
|
|
|
xlen = ps - psbuf;
|
|
xlen -= uio->uio_offset;
|
|
ps = psbuf + uio->uio_offset;
|
|
xlen = min(xlen, uio->uio_resid);
|
|
if (xlen <= 0)
|
|
error = 0;
|
|
else
|
|
error = uiomove(ps, xlen, uio);
|
|
|
|
return (error);
|
|
}
|