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/* 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 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procstate.h>
#include <glibtop_suid.h>
#if !defined(__OpenBSD__)
/* && (!defined __bsdi__) */
#include <sys/user.h>
#endif
static const unsigned long _glibtop_sysdeps_proc_state =
(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_UID) +
(1L << GLIBTOP_PROC_STATE_GID);
static const unsigned long _glibtop_sysdeps_proc_state_new =
0;
/* Init function. */
void
glibtop_init_proc_state_p (glibtop *server)
{
server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
_glibtop_sysdeps_proc_state_new;
}
/* 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, (1L << 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;
}
#if (defined(__FreeBSD__) && (__FreeBSD_version >= 500013)) || defined(__FreeBSD_kernel__)
#define PROC_COMM ki_comm
#define PROC_SVUID ki_svuid
#define PROC_SVGID ki_svgid
#define PROC_RUID ki_ruid
#define PROC_RGID ki_rgid
#define PROC_STAT ki_stat
#else
#define PROC_COMM kp_proc.p_comm
#define PROC_SVUID kp_eproc.e_pcred.p_svuid
#define PROC_SVGID kp_eproc.e_pcred.p_svgid
#define PROC_RUID kp_eproc.e_pcred.p_ruid
#define PROC_RGID kp_eproc.e_pcred.p_rgid
#define PROC_STAT kp_proc.p_stat
#endif
g_strlcpy (buf->cmd, pinfo [0].PROC_COMM, sizeof buf->cmd);
buf->uid = pinfo [0].PROC_SVUID;
buf->gid = pinfo [0].PROC_SVGID;
/* Set the flags for the data we're about to return*/
buf->flags = _glibtop_sysdeps_proc_state |
_glibtop_sysdeps_proc_state_new;
#if LIBGTOP_VERSION_CODE >= 1001000
switch (pinfo [0].PROC_STAT) {
case SIDL:
buf->state = 0;
break;
case SRUN:
buf->state = GLIBTOP_PROCESS_RUNNING;
break;
#ifdef SSLEEP
case SSLEEP:
buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
break;
#endif
case SSTOP:
buf->state = GLIBTOP_PROCESS_STOPPED;
break;
case SZOMB:
buf->state = GLIBTOP_PROCESS_ZOMBIE;
break;
default:
return;
}
#else
switch (pinfo [0].PROC_STAT) {
case SIDL:
buf->state = 'D';
break;
case SRUN:
buf->state = 'R';
break;
#ifdef SSLEEP
case SSLEEP:
buf->state = 'S';
break;
#endif
case SSTOP:
buf->state = 'T';
break;
case SZOMB:
buf->state = 'Z';
break;
default:
return;
}
#endif
buf->flags |= (1L << GLIBTOP_PROC_STATE_STATE);
}
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