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/* $Id$ */
/* Copyright (C) 1998 Joshua Sled
This file is part of LibGTop 1.0.
Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
License for more details.
You should have received a copy of the GNU Library General Public
License along with LibGTop; see the file COPYING.LIB. If not, write
to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procstate.h>
#include <glibtop_suid.h>
#ifndef __OpenBSD__
#include <sys/user.h>
#endif
static const unsigned long _glibtop_sysdeps_proc_state =
(1 << GLIBTOP_PROC_STATE_CMD) + (1 << GLIBTOP_PROC_STATE_STATE) +
(1 << GLIBTOP_PROC_STATE_UID) + (1 << GLIBTOP_PROC_STATE_GID);
/* Init function. */
void
glibtop_init_proc_state_p (glibtop *server)
{
server->sysdeps.proc_state = _glibtop_sysdeps_proc_state;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_state_p (glibtop *server,
glibtop_proc_state *buf,
pid_t pid)
{
struct kinfo_proc *pinfo;
int count = 0;
glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_STATE), 0);
memset (buf, 0, sizeof (glibtop_proc_state));
/* It does not work for the swapper task. */
if (pid == 0) return;
/* Get the process information */
pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &count);
if ((pinfo == NULL) || (count != 1)) {
glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
return;
}
strncpy (buf->cmd, pinfo [0].kp_proc.p_comm, sizeof (buf->cmd)-1);
buf->cmd [sizeof (buf->cmd)-1] = 0;
buf->uid = pinfo [0].kp_eproc.e_pcred.p_svuid;
buf->gid = pinfo [0].kp_eproc.e_pcred.p_svgid;
switch (pinfo [0].kp_proc.p_stat) {
case SIDL:
buf->state = 'I';
break;
case SRUN:
buf->state = 'R';
break;
case SSLEEP:
buf->state = 'S';
break;
case SSTOP:
buf->state = 'T';
break;
case SZOMB:
buf->state = 'Z';
break;
default:
buf->state = '?';
break;
}
/* Set the flags for the data we're about to return*/
buf->flags = _glibtop_sysdeps_proc_state;
}
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