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/* $Id$ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 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 "kernel.h"
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_s (glibtop *server)
{
server->sysdeps.proc_state = _glibtop_sysdeps_proc_state;
}
/* Provides detailed information about a process. */
#define NR_STATES 7
void
glibtop_get_proc_state_s (glibtop *server, glibtop_proc_state *buf,
pid_t pid)
{
union table tbl;
static const char states [NR_STATES] =
{ 'R', 'S', 'D', 'Z', 'T', 'W', '.' };
unsigned state;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_STATE, 0);
memset (buf, 0, sizeof (glibtop_proc_state));
if (table (TABLE_PROC_STATE, &tbl, &pid))
glibtop_error_io_r (server, "table(TABLE_PROC_STATE)");
buf->flags = _glibtop_sysdeps_proc_state;
memcpy (buf->cmd, tbl.proc_state.comm, sizeof (tbl.proc_state.comm));
buf->uid = tbl.proc_state.uid;
buf->gid = tbl.proc_state.state;
state = (unsigned) tbl.proc_state.state;
if (state >= NR_STATES)
state = NR_STATES;
buf->state = states [state];
}
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